diff --git a/README.MD b/README.MD
index 6059c1ae8..7085c7660 100644
--- a/README.MD
+++ b/README.MD
@@ -66,12 +66,14 @@ func main() {
 
 # Contributors
 
+- [aloncn](https://github.com/aloncn)
 - [chenyang351](https://github.com/chenyang351)
 - [garfieldkwong](https://gitee.com/garfieldkwong)
 - [hailaz](https://gitee.com/hailaz)
 - [johng](https://gitee.com/johng)
 - [pibigstar](https://github.com/pibigstar)
 - [qq1054000800](https://gitee.com/qq1054000800)
+- [qq976739120](https://github.com/qq976739120)
 - [wenzi1](https://gitee.com/wenzi1)
 - [wxkj001](https://github.com/wxkj001)
 - [ymrjqyy](https://gitee.com/ymrjqyy)
diff --git a/README_ZH.MD b/README_ZH.MD
index 998f83995..5473bfce5 100644
--- a/README_ZH.MD
+++ b/README_ZH.MD
@@ -86,12 +86,14 @@ func main() {
 
 # 贡献者
 
+- [aloncn](https://github.com/aloncn)
 - [chenyang351](https://github.com/chenyang351)
 - [garfieldkwong](https://gitee.com/garfieldkwong)
 - [hailaz](https://gitee.com/hailaz)
 - [johng](https://gitee.com/johng)
 - [pibigstar](https://github.com/pibigstar)
 - [qq1054000800](https://gitee.com/qq1054000800)
+- [qq976739120](https://github.com/qq976739120)
 - [wenzi1](https://gitee.com/wenzi1)
 - [wxkj001](https://github.com/wxkj001)
 - [ymrjqyy](https://gitee.com/ymrjqyy)
diff --git a/TODO.MD b/TODO.MD
index 1efa597b9..e456a8c6c 100644
--- a/TODO.MD
+++ b/TODO.MD
@@ -43,7 +43,7 @@
 1. 添加Save/Replace/BatchSave/BatchReplace方法对sqlite数据库的支持；
 1. 添加sqlite数据库的单元测试用例；
 1. gredis增加cluster支持；
-
+1. gset.Add/Remove/Contains方法增加批量操作支持；
 
 # DONE
 1.  gconv完善针对不同类型的判断，例如：尽量减少sprintf("%v", xxx)来执行string类型的转换；
diff --git a/g/container/gmap/gmap_int_string_map.go b/g/container/gmap/gmap_int_string_map.go
index b2bb701c7..f6290f23d 100644
--- a/g/container/gmap/gmap_int_string_map.go
+++ b/g/container/gmap/gmap_int_string_map.go
@@ -4,12 +4,11 @@
 // If a copy of the MIT was not distributed with gm file,
 // You can obtain one at https://github.com/gogf/gf.
 
-
 package gmap
 
 import (
-    "github.com/gogf/gf/g/internal/rwmutex"
-    "github.com/gogf/gf/g/util/gconv"
+	"github.com/gogf/gf/g/internal/rwmutex"
+	"github.com/gogf/gf/g/util/gconv"
 )
 
 type IntStringMap struct {
@@ -20,21 +19,21 @@ type IntStringMap struct {
 // NewIntStringMap returns an empty IntStringMap object.
 // The param <unsafe> used to specify whether using map with un-concurrent-safety,
 // which is false in default, means concurrent-safe.
-func NewIntStringMap(unsafe...bool) *IntStringMap {
+func NewIntStringMap(unsafe ...bool) *IntStringMap {
 	return &IntStringMap{
-        m  : make(map[int]string),
-        mu : rwmutex.New(unsafe...),
-    }
+		m:  make(map[int]string),
+		mu: rwmutex.New(unsafe...),
+	}
 }
 
 // NewIntStringMapFrom returns an IntStringMap object from given map <m>.
 // Notice that, the param map is a type of pointer,
 // there might be some concurrent-safe issues when changing the map outside.
-func NewIntStringMapFrom(m map[int]string, unsafe...bool) *IntStringMap {
-    return &IntStringMap{
-        m  : m,
-        mu : rwmutex.New(unsafe...),
-    }
+func NewIntStringMapFrom(m map[int]string, unsafe ...bool) *IntStringMap {
+	return &IntStringMap{
+		m:  m,
+		mu: rwmutex.New(unsafe...),
+	}
 }
 
 // NewIntStringMapFromArray returns an IntStringMap object from given array.
@@ -43,37 +42,37 @@ func NewIntStringMapFrom(m map[int]string, unsafe...bool) *IntStringMap {
 //
 // If length of <keys> is greater than that of <values>,
 // the corresponding overflow map values will be the default value of its type.
-func NewIntStringMapFromArray(keys []int, values []string, unsafe...bool) *IntStringMap {
-    m := make(map[int]string)
-    l := len(values)
-    for i, k := range keys {
-        if i < l {
-            m[k] = values[i]
-        } else {
-            m[k] = ""
-        }
-    }
-    return &IntStringMap{
-        m  : m,
-        mu : rwmutex.New(unsafe...),
-    }
+func NewIntStringMapFromArray(keys []int, values []string, unsafe ...bool) *IntStringMap {
+	m := make(map[int]string)
+	l := len(values)
+	for i, k := range keys {
+		if i < l {
+			m[k] = values[i]
+		} else {
+			m[k] = ""
+		}
+	}
+	return &IntStringMap{
+		m:  m,
+		mu: rwmutex.New(unsafe...),
+	}
 }
 
 // Iterator iterates the hash map with custom callback function <f>.
 // If f returns true, then continue iterating; or false to stop.
-func (gm *IntStringMap) Iterator(f func (k int, v string) bool) {
-    gm.mu.RLock()
-    defer gm.mu.RUnlock()
-    for k, v := range gm.m {
-        if !f(k, v) {
-            break
-        }
-    }
+func (gm *IntStringMap) Iterator(f func(k int, v string) bool) {
+	gm.mu.RLock()
+	defer gm.mu.RUnlock()
+	for k, v := range gm.m {
+		if !f(k, v) {
+			break
+		}
+	}
 }
 
 // Clone returns a new hash map with copy of current map data.
 func (gm *IntStringMap) Clone() *IntStringMap {
-    return NewIntStringMapFrom(gm.Map(), !gm.mu.IsSafe())
+	return NewIntStringMapFrom(gm.Map(), !gm.mu.IsSafe())
 }
 
 // Map returns a copy of the data of the hash map.
@@ -83,7 +82,7 @@ func (gm *IntStringMap) Map() map[int]string {
 	for k, v := range gm.m {
 		m[k] = v
 	}
-    gm.mu.RUnlock()
+	gm.mu.RUnlock()
 	return m
 }
 
@@ -117,40 +116,40 @@ func (gm *IntStringMap) Get(key int) string {
 //
 // It returns value with given <key>.
 func (gm *IntStringMap) doSetWithLockCheck(key int, value string) string {
-    gm.mu.Lock()
-    if v, ok := gm.m[key]; ok {
-        gm.mu.Unlock()
-        return v
-    }
-    gm.m[key] = value
-    gm.mu.Unlock()
-    return value
+	gm.mu.Lock()
+	if v, ok := gm.m[key]; ok {
+		gm.mu.Unlock()
+		return v
+	}
+	gm.m[key] = value
+	gm.mu.Unlock()
+	return value
 }
 
 // GetOrSet returns the value by key,
 // or set value with given <value> if not exist and returns this value.
 func (gm *IntStringMap) GetOrSet(key int, value string) string {
-    gm.mu.RLock()
-    v, ok := gm.m[key]
-    gm.mu.RUnlock()
-    if !ok {
-        return gm.doSetWithLockCheck(key, value)
-    } else {
-        return v
-    }
+	gm.mu.RLock()
+	v, ok := gm.m[key]
+	gm.mu.RUnlock()
+	if !ok {
+		return gm.doSetWithLockCheck(key, value)
+	} else {
+		return v
+	}
 }
 
 // GetOrSetFunc returns the value by key,
 // or sets value with return value of callback function <f> if not exist and returns this value.
 func (gm *IntStringMap) GetOrSetFunc(key int, f func() string) string {
-    gm.mu.RLock()
-    v, ok := gm.m[key]
-    gm.mu.RUnlock()
-    if !ok {
-        return gm.doSetWithLockCheck(key, f())
-    } else {
-        return v
-    }
+	gm.mu.RLock()
+	v, ok := gm.m[key]
+	gm.mu.RUnlock()
+	if !ok {
+		return gm.doSetWithLockCheck(key, f())
+	} else {
+		return v
+	}
 }
 
 // GetOrSetFuncLock returns the value by key,
@@ -159,31 +158,31 @@ func (gm *IntStringMap) GetOrSetFunc(key int, f func() string) string {
 // GetOrSetFuncLock differs with GetOrSetFunc function is that it executes function <f>
 // with mutex.Lock of the hash map.
 func (gm *IntStringMap) GetOrSetFuncLock(key int, f func() string) string {
-    gm.mu.RLock()
-    val, ok := gm.m[key]
-    gm.mu.RUnlock()
-    if !ok {
-        gm.mu.Lock()
-        defer gm.mu.Unlock()
-        if v, ok := gm.m[key]; ok {
-            return v
-        }
-        val       = f()
-        gm.m[key] = val
-        return val
-    } else {
-        return val
-    }
+	gm.mu.RLock()
+	val, ok := gm.m[key]
+	gm.mu.RUnlock()
+	if !ok {
+		gm.mu.Lock()
+		defer gm.mu.Unlock()
+		if v, ok := gm.m[key]; ok {
+			return v
+		}
+		val = f()
+		gm.m[key] = val
+		return val
+	} else {
+		return val
+	}
 }
 
 // SetIfNotExist sets <value> to the map if the <key> does not exist, then return true.
 // It returns false if <key> exists, and <value> would be ignored.
 func (gm *IntStringMap) SetIfNotExist(key int, value string) bool {
-    if !gm.Contains(key) {
-        gm.doSetWithLockCheck(key, value)
-        return true
-    }
-    return false
+	if !gm.Contains(key) {
+		gm.doSetWithLockCheck(key, value)
+		return true
+	}
+	return false
 }
 
 // SetIfNotExistFunc sets value with return value of callback function <f>, then return true.
@@ -213,117 +212,116 @@ func (gm *IntStringMap) SetIfNotExistFuncLock(key int, f func() string) bool {
 	return false
 }
 
-
 // BatchRemove batch deletes values of the map by keys.
 func (gm *IntStringMap) BatchRemove(keys []int) {
-    gm.mu.Lock()
-    for _, key := range keys {
-        delete(gm.m, key)
-    }
-    gm.mu.Unlock()
+	gm.mu.Lock()
+	for _, key := range keys {
+		delete(gm.m, key)
+	}
+	gm.mu.Unlock()
 }
 
 // Remove deletes value from map by given <key>, and return this deleted value.
 func (gm *IntStringMap) Remove(key int) string {
-    gm.mu.Lock()
-    val, exists := gm.m[key]
-    if exists {
-        delete(gm.m, key)
-    }
-    gm.mu.Unlock()
-    return val
+	gm.mu.Lock()
+	val, exists := gm.m[key]
+	if exists {
+		delete(gm.m, key)
+	}
+	gm.mu.Unlock()
+	return val
 }
 
 // Keys returns all keys of the map as a slice.
 func (gm *IntStringMap) Keys() []int {
-    gm.mu.RLock()
-    keys := make([]int, 0)
-    for key, _ := range gm.m {
-        keys = append(keys, key)
-    }
-    gm.mu.RUnlock()
-    return keys
+	gm.mu.RLock()
+	keys := make([]int, 0)
+	for key, _ := range gm.m {
+		keys = append(keys, key)
+	}
+	gm.mu.RUnlock()
+	return keys
 }
 
 // Values returns all values of the map as a slice.
 func (gm *IntStringMap) Values() []string {
-    gm.mu.RLock()
-    vals := make([]string, 0)
-    for _, val := range gm.m {
-        vals = append(vals, val)
-    }
-    gm.mu.RUnlock()
-    return vals
+	gm.mu.RLock()
+	vals := make([]string, 0)
+	for _, val := range gm.m {
+		vals = append(vals, val)
+	}
+	gm.mu.RUnlock()
+	return vals
 }
 
 // Contains checks whether a key exists.
 // It returns true if the <key> exists, or else false.
 func (gm *IntStringMap) Contains(key int) bool {
-    gm.mu.RLock()
-    _, exists := gm.m[key]
-    gm.mu.RUnlock()
-    return exists
+	gm.mu.RLock()
+	_, exists := gm.m[key]
+	gm.mu.RUnlock()
+	return exists
 }
 
 // Size returns the size of the map.
 func (gm *IntStringMap) Size() int {
-    gm.mu.RLock()
-    length := len(gm.m)
-    gm.mu.RUnlock()
-    return length
+	gm.mu.RLock()
+	length := len(gm.m)
+	gm.mu.RUnlock()
+	return length
 }
 
 // IsEmpty checks whether the map is empty.
 // It returns true if map is empty, or else false.
 func (gm *IntStringMap) IsEmpty() bool {
-    gm.mu.RLock()
-    empty := len(gm.m) == 0
-    gm.mu.RUnlock()
-    return empty
+	gm.mu.RLock()
+	empty := len(gm.m) == 0
+	gm.mu.RUnlock()
+	return empty
 }
 
 // Clear deletes all data of the map, it will remake a new underlying map data map.
 func (gm *IntStringMap) Clear() {
-    gm.mu.Lock()
-    gm.m = make(map[int]string)
-    gm.mu.Unlock()
+	gm.mu.Lock()
+	gm.m = make(map[int]string)
+	gm.mu.Unlock()
 }
 
 // LockFunc locks writing with given callback function <f> and mutex.Lock.
 func (gm *IntStringMap) LockFunc(f func(m map[int]string)) {
-    gm.mu.Lock()
-    defer gm.mu.Unlock()
-    f(gm.m)
+	gm.mu.Lock()
+	defer gm.mu.Unlock()
+	f(gm.m)
 }
 
 // RLockFunc locks reading with given callback function <f> and mutex.RLock.
 func (gm *IntStringMap) RLockFunc(f func(m map[int]string)) {
-    gm.mu.RLock()
-    defer gm.mu.RUnlock()
-    f(gm.m)
+	gm.mu.RLock()
+	defer gm.mu.RUnlock()
+	f(gm.m)
 }
 
 // Flip exchanges key-value of the map, it will change key-value to value-key.
 func (gm *IntStringMap) Flip() {
-    gm.mu.Lock()
-    defer gm.mu.Unlock()
-    n := make(map[int]string, len(gm.m))
-    for k, v := range gm.m {
-        n[gconv.Int(v)] = gconv.String(k)
-    }
-    gm.m = n
+	gm.mu.Lock()
+	defer gm.mu.Unlock()
+	n := make(map[int]string, len(gm.m))
+	for k, v := range gm.m {
+		n[gconv.Int(v)] = gconv.String(k)
+	}
+	gm.m = n
 }
 
 // Merge merges two hash maps.
 // The <other> map will be merged into the map <gm>.
 func (gm *IntStringMap) Merge(other *IntStringMap) {
-    gm.mu.Lock()
-    defer gm.mu.Unlock()
-    if other != gm {
-	    other.mu.RLock()
-        defer other.mu.RUnlock()
-    }
-    for k, v := range other.m {
-        gm.m[k] = v
-    }
-}
\ No newline at end of file
+	gm.mu.Lock()
+	defer gm.mu.Unlock()
+	if other != gm {
+		other.mu.RLock()
+		defer other.mu.RUnlock()
+	}
+	for k, v := range other.m {
+		gm.m[k] = v
+	}
+}
diff --git a/g/container/gmap/gmap_string_int_map.go b/g/container/gmap/gmap_string_int_map.go
index 052d956e3..028f82c74 100644
--- a/g/container/gmap/gmap_string_int_map.go
+++ b/g/container/gmap/gmap_string_int_map.go
@@ -8,8 +8,8 @@
 package gmap
 
 import (
-    "github.com/gogf/gf/g/internal/rwmutex"
-    "github.com/gogf/gf/g/util/gconv"
+	"github.com/gogf/gf/g/internal/rwmutex"
+	"github.com/gogf/gf/g/util/gconv"
 )
 
 type StringIntMap struct {
@@ -20,21 +20,21 @@ type StringIntMap struct {
 // NewStringIntMap returns an empty StringIntMap object.
 // The param <unsafe> used to specify whether using map with un-concurrent-safety,
 // which is false in default, means concurrent-safe.
-func NewStringIntMap(unsafe...bool) *StringIntMap {
+func NewStringIntMap(unsafe ...bool) *StringIntMap {
 	return &StringIntMap{
-        m  : make(map[string]int),
-        mu : rwmutex.New(unsafe...),
-    }
+		m:  make(map[string]int),
+		mu: rwmutex.New(unsafe...),
+	}
 }
 
 // NewStringIntMapFrom returns an StringIntMap object from given map <m>.
 // Notice that, the param map is a type of pointer,
 // there might be some concurrent-safe issues when changing the map outside.
-func NewStringIntMapFrom(m map[string]int, unsafe...bool) *StringIntMap {
-    return &StringIntMap{
-        m  : m,
-        mu : rwmutex.New(unsafe...),
-    }
+func NewStringIntMapFrom(m map[string]int, unsafe ...bool) *StringIntMap {
+	return &StringIntMap{
+		m:  m,
+		mu: rwmutex.New(unsafe...),
+	}
 }
 
 // NewStringIntMapFromArray returns an StringIntMap object from given array.
@@ -43,48 +43,48 @@ func NewStringIntMapFrom(m map[string]int, unsafe...bool) *StringIntMap {
 //
 // If length of <keys> is greater than that of <values>,
 // the corresponding overflow map values will be the default value of its type.
-func NewStringIntMapFromArray(keys []string, values []int, unsafe...bool) *StringIntMap {
-    m := make(map[string]int)
-    l := len(values)
-    for i, k := range keys {
-        if i < l {
-            m[k] = values[i]
-        } else {
-            m[k] = 0
-        }
-    }
-    return &StringIntMap{
-        m  : m,
-        mu : rwmutex.New(unsafe...),
-    }
+func NewStringIntMapFromArray(keys []string, values []int, unsafe ...bool) *StringIntMap {
+	m := make(map[string]int)
+	l := len(values)
+	for i, k := range keys {
+		if i < l {
+			m[k] = values[i]
+		} else {
+			m[k] = 0
+		}
+	}
+	return &StringIntMap{
+		m:  m,
+		mu: rwmutex.New(unsafe...),
+	}
 }
 
 // Iterator iterates the hash map with custom callback function <f>.
 // If f returns true, then continue iterating; or false to stop.
-func (gm *StringIntMap) Iterator(f func (k string, v int) bool) {
-    gm.mu.RLock()
-    defer gm.mu.RUnlock()
-    for k, v := range gm.m {
-        if !f(k, v) {
-            break
-        }
-    }
+func (gm *StringIntMap) Iterator(f func(k string, v int) bool) {
+	gm.mu.RLock()
+	defer gm.mu.RUnlock()
+	for k, v := range gm.m {
+		if !f(k, v) {
+			break
+		}
+	}
 }
 
 // Clone returns a new hash map with copy of current map data.
 func (gm *StringIntMap) Clone() *StringIntMap {
-    return NewStringIntMapFrom(gm.Map(), !gm.mu.IsSafe())
+	return NewStringIntMapFrom(gm.Map(), !gm.mu.IsSafe())
 }
 
 // Map returns a copy of the data of the hash map.
 func (gm *StringIntMap) Map() map[string]int {
-    m := make(map[string]int)
-    gm.mu.RLock()
-    for k, v := range gm.m {
-        m[k] = v
-    }
-    gm.mu.RUnlock()
-    return m
+	m := make(map[string]int)
+	gm.mu.RLock()
+	for k, v := range gm.m {
+		m[k] = v
+	}
+	gm.mu.RUnlock()
+	return m
 }
 
 // Set sets key-value to the hash map.
@@ -107,7 +107,7 @@ func (gm *StringIntMap) BatchSet(m map[string]int) {
 func (gm *StringIntMap) Get(key string) int {
 	gm.mu.RLock()
 	val, _ := gm.m[key]
-    gm.mu.RUnlock()
+	gm.mu.RUnlock()
 	return val
 }
 
@@ -117,41 +117,41 @@ func (gm *StringIntMap) Get(key string) int {
 //
 // It returns value with given <key>.
 func (gm *StringIntMap) doSetWithLockCheck(key string, value int) int {
-    gm.mu.Lock()
-    if v, ok := gm.m[key]; ok {
-        gm.mu.Unlock()
-        return v
-    }
-    gm.m[key] = value
-    gm.mu.Unlock()
-    return value
+	gm.mu.Lock()
+	if v, ok := gm.m[key]; ok {
+		gm.mu.Unlock()
+		return v
+	}
+	gm.m[key] = value
+	gm.mu.Unlock()
+	return value
 }
 
 // GetOrSet returns the value by key,
 // or set value with given <value> if not exist and returns this value.
 func (gm *StringIntMap) GetOrSet(key string, value int) int {
-    gm.mu.RLock()
-    v, ok := gm.m[key]
-    gm.mu.RUnlock()
-    if !ok {
-        return gm.doSetWithLockCheck(key, value)
-    } else {
-        return v
-    }
+	gm.mu.RLock()
+	v, ok := gm.m[key]
+	gm.mu.RUnlock()
+	if !ok {
+		return gm.doSetWithLockCheck(key, value)
+	} else {
+		return v
+	}
 }
 
 // GetOrSetFunc returns the value by key,
 // or sets value with return value of callback function <f> if not exist
 // and returns this value.
 func (gm *StringIntMap) GetOrSetFunc(key string, f func() int) int {
-    gm.mu.RLock()
-    v, ok := gm.m[key]
-    gm.mu.RUnlock()
-    if !ok {
-        return gm.doSetWithLockCheck(key, f())
-    } else {
-        return v
-    }
+	gm.mu.RLock()
+	v, ok := gm.m[key]
+	gm.mu.RUnlock()
+	if !ok {
+		return gm.doSetWithLockCheck(key, f())
+	} else {
+		return v
+	}
 }
 
 // GetOrSetFuncLock returns the value by key,
@@ -161,31 +161,31 @@ func (gm *StringIntMap) GetOrSetFunc(key string, f func() int) int {
 // GetOrSetFuncLock differs with GetOrSetFunc function is that it executes function <f>
 // with mutex.Lock of the hash map.
 func (gm *StringIntMap) GetOrSetFuncLock(key string, f func() int) int {
-    gm.mu.RLock()
-    val, ok := gm.m[key]
-    gm.mu.RUnlock()
-    if !ok {
-        gm.mu.Lock()
-        defer gm.mu.Unlock()
-        if v, ok := gm.m[key]; ok {
-            return v
-        }
-        val       = f()
-        gm.m[key] = val
-        return val
-    } else {
-        return val
-    }
+	gm.mu.RLock()
+	val, ok := gm.m[key]
+	gm.mu.RUnlock()
+	if !ok {
+		gm.mu.Lock()
+		defer gm.mu.Unlock()
+		if v, ok := gm.m[key]; ok {
+			return v
+		}
+		val = f()
+		gm.m[key] = val
+		return val
+	} else {
+		return val
+	}
 }
 
 // SetIfNotExist sets <value> to the map if the <key> does not exist, then return true.
 // It returns false if <key> exists, and <value> would be ignored.
 func (gm *StringIntMap) SetIfNotExist(key string, value int) bool {
-    if !gm.Contains(key) {
-        gm.doSetWithLockCheck(key, value)
-        return true
-    }
-    return false
+	if !gm.Contains(key) {
+		gm.doSetWithLockCheck(key, value)
+		return true
+	}
+	return false
 }
 
 // SetIfNotExistFunc sets value with return value of callback function <f>, then return true.
@@ -217,114 +217,114 @@ func (gm *StringIntMap) SetIfNotExistFuncLock(key string, f func() int) bool {
 
 // BatchRemove batch deletes values of the map by keys.
 func (gm *StringIntMap) BatchRemove(keys []string) {
-    gm.mu.Lock()
-    for _, key := range keys {
-        delete(gm.m, key)
-    }
-    gm.mu.Unlock()
+	gm.mu.Lock()
+	for _, key := range keys {
+		delete(gm.m, key)
+	}
+	gm.mu.Unlock()
 }
 
 // Remove deletes value from map by given <key>, and return this deleted value.
 func (gm *StringIntMap) Remove(key string) int {
-    gm.mu.Lock()
-    val, exists := gm.m[key]
-    if exists {
-        delete(gm.m, key)
-    }
-    gm.mu.Unlock()
-    return val
+	gm.mu.Lock()
+	val, exists := gm.m[key]
+	if exists {
+		delete(gm.m, key)
+	}
+	gm.mu.Unlock()
+	return val
 }
 
 // Keys returns all keys of the map as a slice.
 func (gm *StringIntMap) Keys() []string {
-    gm.mu.RLock()
-    keys := make([]string, 0)
-    for key, _ := range gm.m {
-        keys = append(keys, key)
-    }
-    gm.mu.RUnlock()
-    return keys
+	gm.mu.RLock()
+	keys := make([]string, 0)
+	for key, _ := range gm.m {
+		keys = append(keys, key)
+	}
+	gm.mu.RUnlock()
+	return keys
 }
 
 // Values returns all values of the map as a slice.
 func (gm *StringIntMap) Values() []int {
-    gm.mu.RLock()
-    vals := make([]int, 0)
-    for _, val := range gm.m {
-        vals = append(vals, val)
-    }
-    gm.mu.RUnlock()
-    return vals
+	gm.mu.RLock()
+	vals := make([]int, 0)
+	for _, val := range gm.m {
+		vals = append(vals, val)
+	}
+	gm.mu.RUnlock()
+	return vals
 }
 
 // Contains checks whether a key exists.
 // It returns true if the <key> exists, or else false.
 func (gm *StringIntMap) Contains(key string) bool {
-    gm.mu.RLock()
-    _, exists := gm.m[key]
-    gm.mu.RUnlock()
-    return exists
+	gm.mu.RLock()
+	_, exists := gm.m[key]
+	gm.mu.RUnlock()
+	return exists
 }
 
 // Size returns the size of the map.
 func (gm *StringIntMap) Size() int {
-    gm.mu.RLock()
-    length := len(gm.m)
-    gm.mu.RUnlock()
-    return length
+	gm.mu.RLock()
+	length := len(gm.m)
+	gm.mu.RUnlock()
+	return length
 }
 
 // IsEmpty checks whether the map is empty.
 // It returns true if map is empty, or else false.
 func (gm *StringIntMap) IsEmpty() bool {
-    gm.mu.RLock()
-    empty := len(gm.m) == 0
-    gm.mu.RUnlock()
-    return empty
+	gm.mu.RLock()
+	empty := len(gm.m) == 0
+	gm.mu.RUnlock()
+	return empty
 }
 
 // Clear deletes all data of the map, it will remake a new underlying map data map.
 func (gm *StringIntMap) Clear() {
-    gm.mu.Lock()
-    gm.m = make(map[string]int)
-    gm.mu.Unlock()
+	gm.mu.Lock()
+	gm.m = make(map[string]int)
+	gm.mu.Unlock()
 }
 
 // LockFunc locks writing with given callback function <f> and mutex.Lock.
 func (gm *StringIntMap) LockFunc(f func(m map[string]int)) {
-    gm.mu.Lock()
-    defer gm.mu.Unlock()
-    f(gm.m)
+	gm.mu.Lock()
+	defer gm.mu.Unlock()
+	f(gm.m)
 }
 
 // RLockFunc locks reading with given callback function <f> and mutex.RLock.
 func (gm *StringIntMap) RLockFunc(f func(m map[string]int)) {
-    gm.mu.RLock()
-    defer gm.mu.RUnlock()
-    f(gm.m)
+	gm.mu.RLock()
+	defer gm.mu.RUnlock()
+	f(gm.m)
 }
 
 // Flip exchanges key-value of the map, it will change key-value to value-key.
 func (gm *StringIntMap) Flip() {
-    gm.mu.Lock()
-    defer gm.mu.Unlock()
-    n := make(map[string]int, len(gm.m))
-    for k, v := range gm.m {
-        n[gconv.String(v)] = gconv.Int(k)
-    }
-    gm.m = n
+	gm.mu.Lock()
+	defer gm.mu.Unlock()
+	n := make(map[string]int, len(gm.m))
+	for k, v := range gm.m {
+		n[gconv.String(v)] = gconv.Int(k)
+	}
+	gm.m = n
 }
 
 // Merge merges two hash maps.
 // The <other> map will be merged into the map <gm>.
 func (gm *StringIntMap) Merge(other *StringIntMap) {
-    gm.mu.Lock()
-    defer gm.mu.Unlock()
-    if other != gm {
-	    other.mu.RLock()
-        defer other.mu.RUnlock()
-    }
-    for k, v := range other.m {
-        gm.m[k] = v
-    }
-}
\ No newline at end of file
+	gm.mu.Lock()
+	defer gm.mu.Unlock()
+	if other != gm {
+		other.mu.RLock()
+		defer other.mu.RUnlock()
+	}
+	for k, v := range other.m {
+		gm.m[k] = v
+	}
+}
diff --git a/g/container/gmap/gmap_string_interface_map.go b/g/container/gmap/gmap_string_interface_map.go
index 3fab490e9..5c354ea89 100644
--- a/g/container/gmap/gmap_string_interface_map.go
+++ b/g/container/gmap/gmap_string_interface_map.go
@@ -20,21 +20,21 @@ type StringInterfaceMap struct {
 // NewStringInterfaceMap returns an empty StringInterfaceMap object.
 // The param <unsafe> used to specify whether using map with un-concurrent-safety,
 // which is false in default, means concurrent-safe.
-func NewStringInterfaceMap(unsafe...bool) *StringInterfaceMap {
+func NewStringInterfaceMap(unsafe ...bool) *StringInterfaceMap {
 	return &StringInterfaceMap{
-		m  : make(map[string]interface{}),
-		mu : rwmutex.New(unsafe...),
+		m:  make(map[string]interface{}),
+		mu: rwmutex.New(unsafe...),
 	}
 }
 
 // NewStringInterfaceMapFrom returns an StringInterfaceMap object from given map <m>.
 // Notice that, the param map is a type of pointer,
 // there might be some concurrent-safe issues when changing the map outside.
-func NewStringInterfaceMapFrom(m map[string]interface{}, unsafe...bool) *StringInterfaceMap {
-    return &StringInterfaceMap{
-        m  : m,
-        mu : rwmutex.New(unsafe...),
-    }
+func NewStringInterfaceMapFrom(m map[string]interface{}, unsafe ...bool) *StringInterfaceMap {
+	return &StringInterfaceMap{
+		m:  m,
+		mu: rwmutex.New(unsafe...),
+	}
 }
 
 // NewStringInterfaceMapFromArray returns an StringInterfaceMap object from given array.
@@ -43,25 +43,25 @@ func NewStringInterfaceMapFrom(m map[string]interface{}, unsafe...bool) *StringI
 //
 // If length of <keys> is greater than that of <values>,
 // the corresponding overflow map values will be the default value of its type.
-func NewStringInterfaceMapFromArray(keys []string, values []interface{}, unsafe...bool) *StringInterfaceMap {
-    m := make(map[string]interface{})
-    l := len(values)
-    for i, k := range keys {
-        if i < l {
-            m[k] = values[i]
-        } else {
-            m[k] = interface{}(nil)
-        }
-    }
-    return &StringInterfaceMap{
-        m  : m,
-        mu : rwmutex.New(unsafe...),
-    }
+func NewStringInterfaceMapFromArray(keys []string, values []interface{}, unsafe ...bool) *StringInterfaceMap {
+	m := make(map[string]interface{})
+	l := len(values)
+	for i, k := range keys {
+		if i < l {
+			m[k] = values[i]
+		} else {
+			m[k] = interface{}(nil)
+		}
+	}
+	return &StringInterfaceMap{
+		m:  m,
+		mu: rwmutex.New(unsafe...),
+	}
 }
 
 // Iterator iterates the hash map with custom callback function <f>.
 // If f returns true, then continue iterating; or false to stop.
-func (gm *StringInterfaceMap) Iterator(f func (k string, v interface{}) bool) {
+func (gm *StringInterfaceMap) Iterator(f func(k string, v interface{}) bool) {
 	gm.mu.RLock()
 	defer gm.mu.RUnlock()
 	for k, v := range gm.m {
@@ -73,18 +73,18 @@ func (gm *StringInterfaceMap) Iterator(f func (k string, v interface{}) bool) {
 
 // Clone returns a new hash map with copy of current map data.
 func (gm *StringInterfaceMap) Clone() *StringInterfaceMap {
-    return NewStringInterfaceMapFrom(gm.Map(), !gm.mu.IsSafe())
+	return NewStringInterfaceMapFrom(gm.Map(), !gm.mu.IsSafe())
 }
 
 // Map returns a copy of the data of the hash map.
 func (gm *StringInterfaceMap) Map() map[string]interface{} {
-    m := make(map[string]interface{})
-    gm.mu.RLock()
-    for k, v := range gm.m {
-        m[k] = v
-    }
-    gm.mu.RUnlock()
-    return m
+	m := make(map[string]interface{})
+	gm.mu.RLock()
+	for k, v := range gm.m {
+		m[k] = v
+	}
+	gm.mu.RUnlock()
+	return m
 }
 
 // Set sets key-value to the hash map.
@@ -96,11 +96,11 @@ func (gm *StringInterfaceMap) Set(key string, val interface{}) {
 
 // BatchSet batch sets key-values to the hash map.
 func (gm *StringInterfaceMap) BatchSet(m map[string]interface{}) {
-    gm.mu.Lock()
-    for k, v := range m {
-        gm.m[k] = v
-    }
-    gm.mu.Unlock()
+	gm.mu.Lock()
+	for k, v := range m {
+		gm.m[k] = v
+	}
+	gm.mu.Unlock()
 }
 
 // Get returns the value by given <key>.
@@ -123,37 +123,37 @@ func (gm *StringInterfaceMap) Get(key string) interface{} {
 func (gm *StringInterfaceMap) doSetWithLockCheck(key string, value interface{}) interface{} {
 	gm.mu.Lock()
 	defer gm.mu.Unlock()
-    if v, ok := gm.m[key]; ok {
-        return v
-    }
-    if f, ok := value.(func() interface {}); ok {
-        value = f()
-    }
-    if value != nil {
-        gm.m[key] = value
-    }
-    return value
+	if v, ok := gm.m[key]; ok {
+		return v
+	}
+	if f, ok := value.(func() interface{}); ok {
+		value = f()
+	}
+	if value != nil {
+		gm.m[key] = value
+	}
+	return value
 }
 
 // GetOrSet returns the value by key,
 // or set value with given <value> if not exist and returns this value.
 func (gm *StringInterfaceMap) GetOrSet(key string, value interface{}) interface{} {
-    if v := gm.Get(key); v == nil {
-        return gm.doSetWithLockCheck(key, value)
-    } else {
-        return v
-    }
+	if v := gm.Get(key); v == nil {
+		return gm.doSetWithLockCheck(key, value)
+	} else {
+		return v
+	}
 }
 
 // GetOrSetFunc returns the value by key,
 // or sets value with return value of callback function <f> if not exist
 // and returns this value.
 func (gm *StringInterfaceMap) GetOrSetFunc(key string, f func() interface{}) interface{} {
-    if v := gm.Get(key); v == nil {
-        return gm.doSetWithLockCheck(key, f())
-    } else {
-        return v
-    }
+	if v := gm.Get(key); v == nil {
+		return gm.doSetWithLockCheck(key, f())
+	} else {
+		return v
+	}
 }
 
 // GetOrSetFuncLock returns the value by key,
@@ -163,21 +163,21 @@ func (gm *StringInterfaceMap) GetOrSetFunc(key string, f func() interface{}) int
 // GetOrSetFuncLock differs with GetOrSetFunc function is that it executes function <f>
 // with mutex.Lock of the hash map.
 func (gm *StringInterfaceMap) GetOrSetFuncLock(key string, f func() interface{}) interface{} {
-    if v := gm.Get(key); v == nil {
-        return gm.doSetWithLockCheck(key, f)
-    } else {
-        return v
-    }
+	if v := gm.Get(key); v == nil {
+		return gm.doSetWithLockCheck(key, f)
+	} else {
+		return v
+	}
 }
 
 // SetIfNotExist sets <value> to the map if the <key> does not exist, then return true.
 // It returns false if <key> exists, and <value> would be ignored.
 func (gm *StringInterfaceMap) SetIfNotExist(key string, value interface{}) bool {
-    if !gm.Contains(key) {
-        gm.doSetWithLockCheck(key, value)
-        return true
-    }
-    return false
+	if !gm.Contains(key) {
+		gm.doSetWithLockCheck(key, value)
+		return true
+	}
+	return false
 }
 
 // SetIfNotExistFunc sets value with return value of callback function <f>, then return true.
@@ -205,11 +205,11 @@ func (gm *StringInterfaceMap) SetIfNotExistFuncLock(key string, f func() interfa
 
 // BatchRemove batch deletes values of the map by keys.
 func (gm *StringInterfaceMap) BatchRemove(keys []string) {
-    gm.mu.Lock()
-    for _, key := range keys {
-        delete(gm.m, key)
-    }
-    gm.mu.Unlock()
+	gm.mu.Lock()
+	for _, key := range keys {
+		delete(gm.m, key)
+	}
+	gm.mu.Unlock()
 }
 
 // Remove deletes value from map by given <key>, and return this deleted value.
@@ -230,7 +230,7 @@ func (gm *StringInterfaceMap) Keys() []string {
 	for key, _ := range gm.m {
 		keys = append(keys, key)
 	}
-    gm.mu.RUnlock()
+	gm.mu.RUnlock()
 	return keys
 }
 
@@ -273,9 +273,9 @@ func (gm *StringInterfaceMap) IsEmpty() bool {
 
 // Clear deletes all data of the map, it will remake a new underlying map data map.
 func (gm *StringInterfaceMap) Clear() {
-    gm.mu.Lock()
-    gm.m = make(map[string]interface{})
-    gm.mu.Unlock()
+	gm.mu.Lock()
+	gm.m = make(map[string]interface{})
+	gm.mu.Unlock()
 }
 
 // LockFunc locks writing with given callback function <f> and mutex.Lock.
@@ -315,4 +315,4 @@ func (gm *StringInterfaceMap) Merge(other *StringInterfaceMap) {
 	for k, v := range other.m {
 		gm.m[k] = v
 	}
-}
\ No newline at end of file
+}
diff --git a/g/container/gmap/gmap_z_int_bool_test.go b/g/container/gmap/gmap_z_int_bool_test.go
new file mode 100644
index 000000000..078bd3077
--- /dev/null
+++ b/g/container/gmap/gmap_z_int_bool_test.go
@@ -0,0 +1,87 @@
+package gmap_test
+
+import (
+	"github.com/gogf/gf/g/container/gmap"
+	"github.com/gogf/gf/g/test/gtest"
+	"testing"
+)
+
+func getBool() bool {
+	return true
+}
+func intBoolCallBack(int, bool) bool {
+	return true
+}
+func Test_IntBoolMap_Basic(t *testing.T) {
+	gtest.Case(t, func() {
+		m := gmap.NewIntBoolMap()
+		m.Set(1, true)
+
+		gtest.Assert(m.Get(1), true)
+		gtest.Assert(m.Size(), 1)
+		gtest.Assert(m.IsEmpty(), false)
+
+		gtest.Assert(m.GetOrSet(2, false), false)
+		gtest.Assert(m.SetIfNotExist(2, false), false)
+
+		gtest.Assert(m.SetIfNotExist(3, false), true)
+
+		gtest.Assert(m.Remove(2), false)
+		gtest.Assert(m.Contains(2), false)
+
+		gtest.AssertIN(3, m.Keys())
+		gtest.AssertIN(1, m.Keys())
+
+		m.Clear()
+		gtest.Assert(m.Size(), 0)
+		gtest.Assert(m.IsEmpty(), true)
+
+		m2 := gmap.NewIntBoolMapFrom(map[int]bool{1: true, 2: false})
+		gtest.Assert(m2.Map(), map[int]bool{1: true, 2: false})
+		m3 := gmap.NewIntBoolMapFromArray([]int{1, 2}, []bool{true, false})
+		gtest.Assert(m3.Map(), map[int]bool{1: true, 2: false})
+
+	})
+}
+func Test_IntBoolMap_Set_Fun(t *testing.T) {
+	m := gmap.NewIntBoolMap()
+
+	m.GetOrSetFunc(1, getBool)
+	m.GetOrSetFuncLock(2, getBool)
+	gtest.Assert(m.Get(1), true)
+	gtest.Assert(m.Get(2), true)
+	gtest.Assert(m.SetIfNotExistFunc(1, getBool), false)
+	gtest.Assert(m.SetIfNotExistFuncLock(2, getBool), false)
+}
+
+func Test_IntBoolMap_Batch(t *testing.T) {
+	m := gmap.NewIntBoolMap()
+
+	m.BatchSet(map[int]bool{1: true, 2: false, 3: true})
+	m.Iterator(intBoolCallBack)
+	gtest.Assert(m.Map(), map[int]bool{1: true, 2: false, 3: true})
+	m.BatchRemove([]int{1, 2})
+	gtest.Assert(m.Map(), map[int]bool{3: true})
+}
+
+func Test_IntBoolMap_Clone(t *testing.T) {
+	//clone 方法是深克隆
+	m := gmap.NewIntBoolMapFrom(map[int]bool{1: true, 2: false})
+
+	m_clone := m.Clone()
+	m.Remove(1)
+	//修改原 map,clone 后的 map 不影响
+	gtest.AssertIN(1, m_clone.Keys())
+
+	m_clone.Remove(2)
+	//修改clone map,原 map 不影响
+	gtest.AssertIN(2, m.Keys())
+}
+func Test_IntBoolMap_Merge(t *testing.T) {
+	m1 := gmap.NewIntBoolMap()
+	m2 := gmap.NewIntBoolMap()
+	m1.Set(1, true)
+	m2.Set(2, false)
+	m1.Merge(m2)
+	gtest.Assert(m1.Map(), map[int]bool{1: true, 2: false})
+}
diff --git a/g/container/gmap/gmap_z_int_int_test.go b/g/container/gmap/gmap_z_int_int_test.go
new file mode 100644
index 000000000..c7151960e
--- /dev/null
+++ b/g/container/gmap/gmap_z_int_int_test.go
@@ -0,0 +1,91 @@
+package gmap_test
+
+import (
+	"github.com/gogf/gf/g/container/gmap"
+	"github.com/gogf/gf/g/test/gtest"
+	"testing"
+)
+
+func getInt() int {
+	return 123
+}
+func intIntCallBack(int, int) bool {
+	return true
+}
+func Test_IntIntMap_Basic(t *testing.T) {
+	gtest.Case(t, func() {
+		m := gmap.NewIntIntMap()
+		m.Set(1, 1)
+
+		gtest.Assert(m.Get(1), 1)
+		gtest.Assert(m.Size(), 1)
+		gtest.Assert(m.IsEmpty(), false)
+
+		gtest.Assert(m.GetOrSet(2, 2), 2)
+		gtest.Assert(m.SetIfNotExist(2, 2), false)
+
+		gtest.Assert(m.SetIfNotExist(3, 3), true)
+
+		gtest.Assert(m.Remove(2), 2)
+		gtest.Assert(m.Contains(2), false)
+
+		gtest.AssertIN(3, m.Keys())
+		gtest.AssertIN(1, m.Keys())
+		gtest.AssertIN(3, m.Values())
+		gtest.AssertIN(1, m.Values())
+		m.Flip()
+		gtest.Assert(m.Map(), map[int]int{1: 1, 3: 3})
+
+		m.Clear()
+		gtest.Assert(m.Size(), 0)
+		gtest.Assert(m.IsEmpty(), true)
+
+		m2 := gmap.NewIntIntMapFrom(map[int]int{1: 1, 2: 2})
+		gtest.Assert(m2.Map(), map[int]int{1: 1, 2: 2})
+		m3 := gmap.NewIntIntMapFromArray([]int{1, 2}, []int{1, 2})
+		gtest.Assert(m3.Map(), map[int]int{1: 1, 2: 2})
+
+	})
+}
+func Test_IntIntMap_Set_Fun(t *testing.T) {
+	m := gmap.NewIntIntMap()
+
+	m.GetOrSetFunc(1, getInt)
+	m.GetOrSetFuncLock(2, getInt)
+	gtest.Assert(m.Get(1), 123)
+	gtest.Assert(m.Get(2), 123)
+	gtest.Assert(m.SetIfNotExistFunc(1, getInt), false)
+	gtest.Assert(m.SetIfNotExistFuncLock(2, getInt), false)
+}
+
+func Test_IntIntMap_Batch(t *testing.T) {
+	m := gmap.NewIntIntMap()
+
+	m.BatchSet(map[int]int{1: 1, 2: 2, 3: 3})
+	m.Iterator(intIntCallBack)
+	gtest.Assert(m.Map(), map[int]int{1: 1, 2: 2, 3: 3})
+	m.BatchRemove([]int{1, 2})
+	gtest.Assert(m.Map(), map[int]int{3: 3})
+}
+
+func Test_IntIntMap_Clone(t *testing.T) {
+	//clone 方法是深克隆
+	m := gmap.NewIntIntMapFrom(map[int]int{1: 1, 2: 2})
+
+	m_clone := m.Clone()
+	m.Remove(1)
+	//修改原 map,clone 后的 map 不影响
+	gtest.AssertIN(1, m_clone.Keys())
+
+	m_clone.Remove(2)
+	//修改clone map,原 map 不影响
+	gtest.AssertIN(2, m.Keys())
+}
+func Test_IntIntMap_Merge(t *testing.T) {
+	m1 := gmap.NewIntIntMap()
+	m2 := gmap.NewIntIntMap()
+	m1.Set(1, 1)
+	m2.Set(2, 2)
+	m1.Merge(m2)
+	gtest.Assert(m1.Map(), map[int]int{1: 1, 2: 2})
+}
diff --git a/g/container/gmap/gmap_z_int_interface_test.go b/g/container/gmap/gmap_z_int_interface_test.go
new file mode 100644
index 000000000..eb5a47598
--- /dev/null
+++ b/g/container/gmap/gmap_z_int_interface_test.go
@@ -0,0 +1,91 @@
+package gmap_test
+
+import (
+	"github.com/gogf/gf/g/container/gmap"
+	"github.com/gogf/gf/g/test/gtest"
+	"testing"
+)
+
+func getInterface() interface{} {
+	return 123
+}
+func intInterfaceCallBack(int, interface{}) bool {
+	return true
+}
+func Test_IntInterfaceMap_Basic(t *testing.T) {
+	gtest.Case(t, func() {
+		m := gmap.NewIntInterfaceMap()
+		m.Set(1, 1)
+
+		gtest.Assert(m.Get(1), 1)
+		gtest.Assert(m.Size(), 1)
+		gtest.Assert(m.IsEmpty(), false)
+
+		gtest.Assert(m.GetOrSet(2, "2"), "2")
+		gtest.Assert(m.SetIfNotExist(2, "2"), false)
+
+		gtest.Assert(m.SetIfNotExist(3, 3), true)
+
+		gtest.Assert(m.Remove(2), "2")
+		gtest.Assert(m.Contains(2), false)
+
+		gtest.AssertIN(3, m.Keys())
+		gtest.AssertIN(1, m.Keys())
+		gtest.AssertIN(3, m.Values())
+		gtest.AssertIN(1, m.Values())
+		m.Flip()
+		gtest.Assert(m.Map(), map[interface{}]int{1: 1, 3: 3})
+
+		m.Clear()
+		gtest.Assert(m.Size(), 0)
+		gtest.Assert(m.IsEmpty(), true)
+
+		m2 := gmap.NewIntInterfaceMapFrom(map[int]interface{}{1: 1, 2: "2"})
+		gtest.Assert(m2.Map(), map[int]interface{}{1: 1, 2: "2"})
+		m3 := gmap.NewIntInterfaceMapFromArray([]int{1, 2}, []interface{}{1, "2"})
+		gtest.Assert(m3.Map(), map[int]interface{}{1: 1, 2: "2"})
+
+	})
+}
+func Test_IntInterfaceMap_Set_Fun(t *testing.T) {
+	m := gmap.NewIntInterfaceMap()
+
+	m.GetOrSetFunc(1, getInterface)
+	m.GetOrSetFuncLock(2, getInterface)
+	gtest.Assert(m.Get(1), 123)
+	gtest.Assert(m.Get(2), 123)
+	gtest.Assert(m.SetIfNotExistFunc(1, getInterface), false)
+	gtest.Assert(m.SetIfNotExistFuncLock(2, getInterface), false)
+}
+
+func Test_IntInterfaceMap_Batch(t *testing.T) {
+	m := gmap.NewIntInterfaceMap()
+
+	m.BatchSet(map[int]interface{}{1: 1, 2: "2", 3: 3})
+	m.Iterator(intInterfaceCallBack)
+	gtest.Assert(m.Map(), map[int]interface{}{1: 1, 2: "2", 3: 3})
+	m.BatchRemove([]int{1, 2})
+	gtest.Assert(m.Map(), map[int]interface{}{3: 3})
+}
+
+func Test_IntInterfaceMap_Clone(t *testing.T) {
+	//clone 方法是深克隆
+	m := gmap.NewIntInterfaceMapFrom(map[int]interface{}{1: 1, 2: "2"})
+
+	m_clone := m.Clone()
+	m.Remove(1)
+	//修改原 map,clone 后的 map 不影响
+	gtest.AssertIN(1, m_clone.Keys())
+
+	m_clone.Remove(2)
+	//修改clone map,原 map 不影响
+	gtest.AssertIN(2, m.Keys())
+}
+func Test_IntInterfaceMap_Merge(t *testing.T) {
+	m1 := gmap.NewIntInterfaceMap()
+	m2 := gmap.NewIntInterfaceMap()
+	m1.Set(1, 1)
+	m2.Set(2, "2")
+	m1.Merge(m2)
+	gtest.Assert(m1.Map(), map[int]interface{}{1: 1, 2: "2"})
+}
diff --git a/g/container/gmap/gmap_z_int_string_test.go b/g/container/gmap/gmap_z_int_string_test.go
new file mode 100644
index 000000000..386e3a710
--- /dev/null
+++ b/g/container/gmap/gmap_z_int_string_test.go
@@ -0,0 +1,96 @@
+package gmap_test
+
+import (
+	"github.com/gogf/gf/g/container/gmap"
+	"github.com/gogf/gf/g/test/gtest"
+	"testing"
+)
+
+func getString() string {
+	return "z"
+}
+func intStringCallBack(int, string) bool {
+	return true
+}
+func Test_IntStringMap_Basic(t *testing.T) {
+	gtest.Case(t, func() {
+		m := gmap.NewIntStringMap()
+		m.Set(1, "a")
+
+		gtest.Assert(m.Get(1), "a")
+		gtest.Assert(m.Size(), 1)
+		gtest.Assert(m.IsEmpty(), false)
+
+		gtest.Assert(m.GetOrSet(2, "b"), "b")
+		gtest.Assert(m.SetIfNotExist(2, "b"), false)
+
+		gtest.Assert(m.SetIfNotExist(3, "c"), true)
+
+		gtest.Assert(m.Remove(2), "b")
+		gtest.Assert(m.Contains(2), false)
+
+		gtest.AssertIN(3, m.Keys())
+		gtest.AssertIN(1, m.Keys())
+		gtest.AssertIN("a", m.Values())
+		gtest.AssertIN("c", m.Values())
+
+		//反转之后不成为以下 map,flip 操作只是翻转原 map
+		//gtest.Assert(m.Map(), map[string]int{"a": 1, "c": 3})
+		m_f := gmap.NewIntStringMap()
+		m_f.Set(1, "2")
+		m_f.Flip()
+		gtest.Assert(m_f.Map(), map[int]string{2: "1"})
+
+		m.Clear()
+		gtest.Assert(m.Size(), 0)
+		gtest.Assert(m.IsEmpty(), true)
+
+		m2 := gmap.NewIntStringMapFrom(map[int]string{1: "a", 2: "b"})
+		gtest.Assert(m2.Map(), map[int]string{1: "a", 2: "b"})
+		m3 := gmap.NewIntStringMapFromArray([]int{1, 2}, []string{"a", "b"})
+		gtest.Assert(m3.Map(), map[int]string{1: "a", 2: "b"})
+
+	})
+}
+func Test_IntStringMap_Set_Fun(t *testing.T) {
+	m := gmap.NewIntStringMap()
+
+	m.GetOrSetFunc(1, getString)
+	m.GetOrSetFuncLock(2, getString)
+	gtest.Assert(m.Get(1), "z")
+	gtest.Assert(m.Get(2), "z")
+	gtest.Assert(m.SetIfNotExistFunc(1, getString), false)
+	gtest.Assert(m.SetIfNotExistFuncLock(2, getString), false)
+}
+
+func Test_IntStringMap_Batch(t *testing.T) {
+	m := gmap.NewIntStringMap()
+
+	m.BatchSet(map[int]string{1: "a", 2: "b", 3: "c"})
+	m.Iterator(intStringCallBack)
+	gtest.Assert(m.Map(), map[int]string{1: "a", 2: "b",3: "c"})
+	m.BatchRemove([]int{1, 2})
+	gtest.Assert(m.Map(), map[int]interface{}{3: "c"})
+}
+
+func Test_IntStringMap_Clone(t *testing.T) {
+	//clone 方法是深克隆
+	m := gmap.NewIntStringMapFrom(map[int]string{1: "a", 2: "b", 3: "c"})
+
+	m_clone := m.Clone()
+	m.Remove(1)
+	//修改原 map,clone 后的 map 不影响
+	gtest.AssertIN(1, m_clone.Keys())
+
+	m_clone.Remove(2)
+	//修改clone map,原 map 不影响
+	gtest.AssertIN(2, m.Keys())
+}
+func Test_IntStringMap_Merge(t *testing.T) {
+	m1 := gmap.NewIntStringMap()
+	m2 := gmap.NewIntStringMap()
+	m1.Set(1, "a")
+	m2.Set(2, "b")
+	m1.Merge(m2)
+	gtest.Assert(m1.Map(), map[int]string{1: "a", 2: "b"})
+}
diff --git a/g/container/gmap/gmap_z_interface_interface_basic_test.go b/g/container/gmap/gmap_z_interface_interface_basic_test.go
new file mode 100644
index 000000000..ead2dae73
--- /dev/null
+++ b/g/container/gmap/gmap_z_interface_interface_basic_test.go
@@ -0,0 +1,91 @@
+package gmap_test
+
+import (
+	"github.com/gogf/gf/g/container/gmap"
+	"github.com/gogf/gf/g/test/gtest"
+	"testing"
+)
+
+func getValue() interface{} {
+	return 3
+}
+func callBack(k interface{}, v interface{}) bool {
+	return true
+}
+func Test_Map_Basic(t *testing.T) {
+	gtest.Case(t, func() {
+		m := gmap.New()
+		m.Set("key1", "val1")
+		gtest.Assert(m.Keys(), []interface{}{"key1"})
+
+		gtest.Assert(m.Get("key1"), "val1")
+		gtest.Assert(m.Size(), 1)
+		gtest.Assert(m.IsEmpty(), false)
+
+		gtest.Assert(m.GetOrSet("key2", "val2"), "val2")
+		gtest.Assert(m.SetIfNotExist("key2", "val2"), false)
+
+		gtest.Assert(m.SetIfNotExist("key3", "val3"), true)
+
+		gtest.Assert(m.Remove("key2"), "val2")
+		gtest.Assert(m.Contains("key2"), false)
+
+		gtest.AssertIN("key3", m.Keys())
+		gtest.AssertIN("key1", m.Keys())
+		gtest.AssertIN("val3", m.Values())
+		gtest.AssertIN("val1", m.Values())
+
+		m.Flip()
+		gtest.Assert(m.Map(), map[interface{}]interface{}{"val3": "key3", "val1": "key1"})
+
+		m.Clear()
+		gtest.Assert(m.Size(), 0)
+		gtest.Assert(m.IsEmpty(), true)
+
+		m2 := gmap.NewFrom(map[interface{}]interface{}{1: 1, "key1": "val1"})
+		gtest.Assert(m2.Map(), map[interface{}]interface{}{1: 1, "key1": "val1"})
+		m3 := gmap.NewFromArray([]interface{}{1, "key1"}, []interface{}{1, "val1"})
+		gtest.Assert(m3.Map(), map[interface{}]interface{}{1: 1, "key1": "val1"})
+
+	})
+}
+func Test_Map_Set_Fun(t *testing.T) {
+	m := gmap.New()
+	m.GetOrSetFunc("fun", getValue)
+	m.GetOrSetFuncLock("funlock", getValue)
+	gtest.Assert(m.Get("funlock"), 3)
+	gtest.Assert(m.Get("fun"), 3)
+	m.GetOrSetFunc("fun", getValue)
+	gtest.Assert(m.SetIfNotExistFunc("fun", getValue), false)
+	gtest.Assert(m.SetIfNotExistFuncLock("funlock", getValue), false)
+}
+
+func Test_Map_Batch(t *testing.T) {
+	m := gmap.New()
+	m.BatchSet(map[interface{}]interface{}{1: 1, "key1": "val1", "key2": "val2", "key3": "val3"})
+	m.Iterator(callBack)
+	gtest.Assert(m.Map(), map[interface{}]interface{}{1: 1, "key1": "val1", "key2": "val2", "key3": "val3"})
+	m.BatchRemove([]interface{}{"key1", 1})
+	gtest.Assert(m.Map(), map[interface{}]interface{}{"key2": "val2", "key3": "val3"})
+}
+
+func Test_Map_Clone(t *testing.T) {
+	//clone 方法是深克隆
+	m := gmap.NewFrom(map[interface{}]interface{}{1: 1, "key1": "val1"})
+	m_clone := m.Clone()
+	m.Remove(1)
+	//修改原 map,clone 后的 map 不影响
+	gtest.AssertIN(1, m_clone.Keys())
+
+	m_clone.Remove("key1")
+	//修改clone map,原 map 不影响
+	gtest.AssertIN("key1", m.Keys())
+}
+func Test_Map_Basic_Merge(t *testing.T) {
+	m1 := gmap.New()
+	m2 := gmap.New()
+	m1.Set("key1", "val1")
+	m2.Set("key2", "val2")
+	m1.Merge(m2)
+	gtest.Assert(m1.Map(), map[interface{}]interface{}{"key1": "val1", "key2": "val2"})
+}
diff --git a/g/container/gmap/gmap_z_normal_example_test.go b/g/container/gmap/gmap_z_normal_example_test.go
new file mode 100644
index 000000000..b134c5ff8
--- /dev/null
+++ b/g/container/gmap/gmap_z_normal_example_test.go
@@ -0,0 +1,71 @@
+package gmap_test
+
+import (
+	"fmt"
+	"github.com/gogf/gf/g/container/gmap"
+)
+
+func Example_Normal_Basic() {
+	m := gmap.New()
+
+	//Add data
+	m.Set("key1", "val1")
+
+	//Print size
+	fmt.Println(m.Size())
+	//output 1
+
+	add_map := make(map[interface{}]interface{})
+	add_map["key2"] = "val2"
+	add_map["key3"] = "val3"
+	add_map[1] = 1
+
+	fmt.Println(m.Values())
+
+	//Batch add data
+	m.BatchSet(add_map)
+
+	//Gets the value of the corresponding key
+	key3_val := m.Get("key3")
+	fmt.Println(key3_val)
+
+	//Get the value by key, or set it with given key-value if not exist.
+	get_or_set_val := m.GetOrSet("key4", "val4")
+	fmt.Println(get_or_set_val)
+
+	// Set key-value if the key does not exist, then return true; or else return false.
+	is_set := m.SetIfNotExist("key3", "val3")
+	fmt.Println(is_set)
+
+	//Remove key
+	m.Remove("key2")
+	fmt.Println(m.Keys())
+
+	//Batch remove keys
+	remove_keys := []interface{}{"key1", 1}
+	m.BatchRemove(remove_keys)
+	fmt.Println(m.Keys())
+
+	//Contains checks whether a key exists.
+	is_contain := m.Contains("key3")
+	fmt.Println(is_contain)
+
+	//Flip exchanges key-value of the map, it will change key-value to value-key.
+	m.Flip()
+	fmt.Println(m.Map())
+
+	// Clear deletes all data of the map,
+	m.Clear()
+
+	fmt.Println(m.Size())
+
+}
+func Example_Normal_Merge(){
+	m1 := gmap.New()
+	m2 := gmap.New()
+	m1.Set("key1","val1")
+	m2.Set("key2","val2")
+	m1.Merge(m2)
+	fmt.Println(m1.Map())
+}
+
diff --git a/g/container/gmap/gmap_z_string_bool_test.go b/g/container/gmap/gmap_z_string_bool_test.go
new file mode 100644
index 000000000..63b251ed3
--- /dev/null
+++ b/g/container/gmap/gmap_z_string_bool_test.go
@@ -0,0 +1,85 @@
+package gmap_test
+
+import (
+	"github.com/gogf/gf/g/container/gmap"
+	"github.com/gogf/gf/g/test/gtest"
+	"testing"
+)
+
+
+func StringBoolCallBack( string, bool) bool {
+	return true
+}
+func Test_StringBoolMap_Basic(t *testing.T) {
+	gtest.Case(t, func() {
+		m := gmap.NewStringBoolMap()
+		m.Set("a", true)
+
+		gtest.Assert(m.Get("a"), true)
+		gtest.Assert(m.Size(), 1)
+		gtest.Assert(m.IsEmpty(), false)
+
+		gtest.Assert(m.GetOrSet("b", false), false)
+		gtest.Assert(m.SetIfNotExist("b", false), false)
+
+		gtest.Assert(m.SetIfNotExist("c", false), true)
+
+		gtest.Assert(m.Remove("b"), false)
+		gtest.Assert(m.Contains("b"), false)
+
+		gtest.AssertIN("c", m.Keys())
+		gtest.AssertIN("a", m.Keys())
+
+		m.Clear()
+		gtest.Assert(m.Size(), 0)
+		gtest.Assert(m.IsEmpty(), true)
+
+		m2 := gmap.NewStringBoolMapFrom(map[string]bool{"a": true, "b": false})
+		gtest.Assert(m2.Map(), map[string]bool{"a": true, "b": false})
+		m3 := gmap.NewStringBoolMapFromArray([]string{"a", "b"}, []bool{true, false})
+		gtest.Assert(m3.Map(), map[string]bool{"a": true, "b": false})
+
+	})
+}
+func Test_StringBoolMap_Set_Fun(t *testing.T) {
+	m := gmap.NewStringBoolMap()
+
+	m.GetOrSetFunc("a", getBool)
+	m.GetOrSetFuncLock("b", getBool)
+	gtest.Assert(m.Get("a"), true)
+	gtest.Assert(m.Get("b"), true)
+	gtest.Assert(m.SetIfNotExistFunc("a", getBool), false)
+	gtest.Assert(m.SetIfNotExistFuncLock("b", getBool), false)
+}
+
+func Test_StringBoolMap_Batch(t *testing.T) {
+	m := gmap.NewStringBoolMap()
+
+	m.BatchSet(map[string]bool{"a": true, "b": false, "c": true})
+	m.Iterator(StringBoolCallBack)
+	gtest.Assert(m.Map(), map[string]bool{"a": true, "b": false, "c": true})
+	m.BatchRemove([]string{"a", "b"})
+	gtest.Assert(m.Map(), map[string]bool{"c": true})
+}
+
+func Test_StringBoolMap_Clone(t *testing.T) {
+	//clone 方法是深克隆
+	m := gmap.NewStringBoolMapFrom(map[string]bool{"a": true, "b": false})
+
+	m_clone := m.Clone()
+	m.Remove("a")
+	//修改原 map,clone 后的 map 不影响
+	gtest.AssertIN("a", m_clone.Keys())
+
+	m_clone.Remove("b")
+	//修改clone map,原 map 不影响
+	gtest.AssertIN("b", m.Keys())
+}
+func Test_StringBoolMap_Merge(t *testing.T) {
+	m1 := gmap.NewStringBoolMap()
+	m2 := gmap.NewStringBoolMap()
+	m1.Set("a", true)
+	m2.Set("b", false)
+	m1.Merge(m2)
+	gtest.Assert(m1.Map(), map[string]bool{"a": true, "b": false})
+}
diff --git a/g/container/gmap/gmap_z_string_int_test.go b/g/container/gmap/gmap_z_string_int_test.go
new file mode 100644
index 000000000..7c1050d46
--- /dev/null
+++ b/g/container/gmap/gmap_z_string_int_test.go
@@ -0,0 +1,91 @@
+package gmap_test
+
+import (
+	"github.com/gogf/gf/g/container/gmap"
+	"github.com/gogf/gf/g/test/gtest"
+	"testing"
+)
+
+func stringIntCallBack(string, int) bool {
+	return true
+}
+func Test_StringIntMap_Basic(t *testing.T) {
+	gtest.Case(t, func() {
+		m := gmap.NewStringIntMap()
+		m.Set("a", 1)
+
+		gtest.Assert(m.Get("a"), 1)
+		gtest.Assert(m.Size(), 1)
+		gtest.Assert(m.IsEmpty(), false)
+
+		gtest.Assert(m.GetOrSet("b", 2), 2)
+		gtest.Assert(m.SetIfNotExist("b", 2), false)
+
+		gtest.Assert(m.SetIfNotExist("c", 3), true)
+
+		gtest.Assert(m.Remove("b"), 2)
+		gtest.Assert(m.Contains("b"), false)
+
+		gtest.AssertIN("c", m.Keys())
+		gtest.AssertIN("a", m.Keys())
+		gtest.AssertIN(3, m.Values())
+		gtest.AssertIN(1, m.Values())
+
+		m_f := gmap.NewStringIntMap()
+		m_f.Set("1", 2)
+		m_f.Flip()
+		gtest.Assert(m_f.Map(), map[string]int{"2": 1})
+
+		m.Clear()
+		gtest.Assert(m.Size(), 0)
+		gtest.Assert(m.IsEmpty(), true)
+
+		m2 := gmap.NewStringIntMapFrom(map[string]int{"a": 1, "b": 2})
+		gtest.Assert(m2.Map(), map[string]int{"a": 1, "b": 2})
+		m3 := gmap.NewStringIntMapFromArray([]string{"a", "b"}, []int{1, 2})
+		gtest.Assert(m3.Map(), map[string]int{"a": 1, "b": 2})
+
+	})
+}
+func Test_StringIntMap_Set_Fun(t *testing.T) {
+	m := gmap.NewStringIntMap()
+
+	m.GetOrSetFunc("a", getInt)
+	m.GetOrSetFuncLock("b", getInt)
+	gtest.Assert(m.Get("a"), 123)
+	gtest.Assert(m.Get("b"), 123)
+	gtest.Assert(m.SetIfNotExistFunc("a", getInt), false)
+	gtest.Assert(m.SetIfNotExistFuncLock("b", getInt), false)
+}
+
+func Test_StringIntMap_Batch(t *testing.T) {
+	m := gmap.NewStringIntMap()
+
+	m.BatchSet(map[string]int{"a": 1, "b": 2, "c": 3})
+	m.Iterator(stringIntCallBack)
+	gtest.Assert(m.Map(), map[string]int{"a": 1, "b": 2, "c": 3})
+	m.BatchRemove([]string{"a", "b"})
+	gtest.Assert(m.Map(), map[string]int{"c": 3})
+}
+
+func Test_StringIntMap_Clone(t *testing.T) {
+	//clone 方法是深克隆
+	m := gmap.NewStringIntMapFrom(map[string]int{"a": 1, "b": 2, "c": 3})
+
+	m_clone := m.Clone()
+	m.Remove("a")
+	//修改原 map,clone 后的 map 不影响
+	gtest.AssertIN("a", m_clone.Keys())
+
+	m_clone.Remove("b")
+	//修改clone map,原 map 不影响
+	gtest.AssertIN("b", m.Keys())
+}
+func Test_StringIntMap_Merge(t *testing.T) {
+	m1 := gmap.NewStringIntMap()
+	m2 := gmap.NewStringIntMap()
+	m1.Set("a", 1)
+	m2.Set("b", 2)
+	m1.Merge(m2)
+	gtest.Assert(m1.Map(), map[string]int{"a": 1, "b": 2})
+}
diff --git a/g/container/gmap/gmap_z_string_interface_test.go b/g/container/gmap/gmap_z_string_interface_test.go
new file mode 100644
index 000000000..74e94115d
--- /dev/null
+++ b/g/container/gmap/gmap_z_string_interface_test.go
@@ -0,0 +1,89 @@
+package gmap_test
+
+import (
+	"github.com/gogf/gf/g/container/gmap"
+	"github.com/gogf/gf/g/test/gtest"
+	"testing"
+)
+
+func stringInterfaceCallBack(string, interface{}) bool {
+	return true
+}
+func Test_StringInterfaceMap_Basic(t *testing.T) {
+	gtest.Case(t, func() {
+		m := gmap.NewStringInterfaceMap()
+		m.Set("a", 1)
+
+		gtest.Assert(m.Get("a"), 1)
+		gtest.Assert(m.Size(), 1)
+		gtest.Assert(m.IsEmpty(), false)
+
+		gtest.Assert(m.GetOrSet("b", "2"), "2")
+		gtest.Assert(m.SetIfNotExist("b", "2"), false)
+
+		gtest.Assert(m.SetIfNotExist("c", 3), true)
+
+		gtest.Assert(m.Remove("b"), "2")
+		gtest.Assert(m.Contains("b"), false)
+
+		gtest.AssertIN("c", m.Keys())
+		gtest.AssertIN("a", m.Keys())
+		gtest.AssertIN(3, m.Values())
+		gtest.AssertIN(1, m.Values())
+
+		m.Flip()
+		gtest.Assert(m.Map(), map[string]interface{}{"1": "a", "3": "c"})
+
+		m.Clear()
+		gtest.Assert(m.Size(), 0)
+		gtest.Assert(m.IsEmpty(), true)
+
+		m2 := gmap.NewStringInterfaceMapFrom(map[string]interface{}{"a": 1, "b": "2"})
+		gtest.Assert(m2.Map(), map[string]interface{}{"a": 1, "b": "2"})
+		m3 := gmap.NewStringInterfaceMapFromArray([]string{"a", "b"}, []interface{}{1, "2"})
+		gtest.Assert(m3.Map(), map[string]interface{}{"a": 1, "b": "2"})
+
+	})
+}
+func Test_StringInterfaceMap_Set_Fun(t *testing.T) {
+	m := gmap.NewStringInterfaceMap()
+
+	m.GetOrSetFunc("a", getInterface)
+	m.GetOrSetFuncLock("b", getInterface)
+	gtest.Assert(m.Get("a"), 123)
+	gtest.Assert(m.Get("b"), 123)
+	gtest.Assert(m.SetIfNotExistFunc("a", getInterface), false)
+	gtest.Assert(m.SetIfNotExistFuncLock("b", getInterface), false)
+}
+
+func Test_StringInterfaceMap_Batch(t *testing.T) {
+	m := gmap.NewStringInterfaceMap()
+
+	m.BatchSet(map[string]interface{}{"a": 1, "b": "2", "c": 3})
+	m.Iterator(stringInterfaceCallBack)
+	gtest.Assert(m.Map(), map[string]interface{}{"a": 1, "b": "2", "c": 3})
+	m.BatchRemove([]string{"a", "b"})
+	gtest.Assert(m.Map(), map[string]interface{}{"c": 3})
+}
+
+func Test_StringInterfaceMap_Clone(t *testing.T) {
+	//clone 方法是深克隆
+	m := gmap.NewStringInterfaceMapFrom(map[string]interface{}{"a": 1, "b": "2"})
+
+	m_clone := m.Clone()
+	m.Remove("a")
+	//修改原 map,clone 后的 map 不影响
+	gtest.AssertIN("a", m_clone.Keys())
+
+	m_clone.Remove("b")
+	//修改clone map,原 map 不影响
+	gtest.AssertIN("b", m.Keys())
+}
+func Test_StringInterfaceMap_Merge(t *testing.T) {
+	m1 := gmap.NewStringInterfaceMap()
+	m2 := gmap.NewStringInterfaceMap()
+	m1.Set("a", 1)
+	m2.Set("b", "2")
+	m1.Merge(m2)
+	gtest.Assert(m1.Map(), map[string]interface{}{"a": 1, "b": "2"})
+}
diff --git a/g/container/gmap/gmap_z_string_string_test.go b/g/container/gmap/gmap_z_string_string_test.go
new file mode 100644
index 000000000..443878839
--- /dev/null
+++ b/g/container/gmap/gmap_z_string_string_test.go
@@ -0,0 +1,90 @@
+package gmap_test
+
+import (
+	"github.com/gogf/gf/g/container/gmap"
+	"github.com/gogf/gf/g/test/gtest"
+	"testing"
+)
+
+func stringStringCallBack(string, string) bool {
+	return true
+}
+func Test_StringStringMap_Basic(t *testing.T) {
+	gtest.Case(t, func() {
+		m := gmap.NewStringStringMap()
+		m.Set("a", "a")
+
+		gtest.Assert(m.Get("a"), "a")
+		gtest.Assert(m.Size(), 1)
+		gtest.Assert(m.IsEmpty(), false)
+
+		gtest.Assert(m.GetOrSet("b", "b"), "b")
+		gtest.Assert(m.SetIfNotExist("b", "b"), false)
+
+		gtest.Assert(m.SetIfNotExist("c", "c"), true)
+
+		gtest.Assert(m.Remove("b"), "b")
+		gtest.Assert(m.Contains("b"), false)
+
+		gtest.AssertIN("c", m.Keys())
+		gtest.AssertIN("a", m.Keys())
+		gtest.AssertIN("a", m.Values())
+		gtest.AssertIN("c", m.Values())
+
+		m.Flip()
+
+		gtest.Assert(m.Map(), map[string]string{"a": "a", "c": "c"})
+
+		m.Clear()
+		gtest.Assert(m.Size(), 0)
+		gtest.Assert(m.IsEmpty(), true)
+
+		m2 := gmap.NewStringStringMapFrom(map[string]string{"a": "a", "b": "b"})
+		gtest.Assert(m2.Map(), map[string]string{"a": "a", "b": "b"})
+		m3 := gmap.NewStringStringMapFromArray([]string{"a", "b"}, []string{"a", "b"})
+		gtest.Assert(m3.Map(), map[string]string{"a": "a", "b": "b"})
+
+	})
+}
+func Test_StringStringMap_Set_Fun(t *testing.T) {
+	m := gmap.NewStringStringMap()
+
+	m.GetOrSetFunc("a", getString)
+	m.GetOrSetFuncLock("b", getString)
+	gtest.Assert(m.Get("a"), "z")
+	gtest.Assert(m.Get("b"), "z")
+	gtest.Assert(m.SetIfNotExistFunc("a", getString), false)
+	gtest.Assert(m.SetIfNotExistFuncLock("b", getString), false)
+}
+
+func Test_StringStringMap_Batch(t *testing.T) {
+	m := gmap.NewStringStringMap()
+
+	m.BatchSet(map[string]string{"a": "a", "b": "b", "c": "c"})
+	m.Iterator(stringStringCallBack)
+	gtest.Assert(m.Map(), map[string]string{"a": "a", "b": "b", "c": "c"})
+	m.BatchRemove([]string{"a", "b"})
+	gtest.Assert(m.Map(), map[string]string{"c": "c"})
+}
+
+func Test_StringStringMap_Clone(t *testing.T) {
+	//clone 方法是深克隆
+	m := gmap.NewStringStringMapFrom(map[string]string{"a": "a", "b": "b", "c": "c"})
+
+	m_clone := m.Clone()
+	m.Remove("a")
+	//修改原 map,clone 后的 map 不影响
+	gtest.AssertIN("a", m_clone.Keys())
+
+	m_clone.Remove("b")
+	//修改clone map,原 map 不影响
+	gtest.AssertIN("b", m.Keys())
+}
+func Test_StringStringMap_Merge(t *testing.T) {
+	m1 := gmap.NewStringStringMap()
+	m2 := gmap.NewStringStringMap()
+	m1.Set("a", "a")
+	m2.Set("b", "b")
+	m1.Merge(m2)
+	gtest.Assert(m1.Map(), map[string]string{"a": "a", "b": "b"})
+}
diff --git a/g/container/gring/gring_unit_test.go b/g/container/gring/gring_unit_test.go
new file mode 100644
index 000000000..4f209d9df
--- /dev/null
+++ b/g/container/gring/gring_unit_test.go
@@ -0,0 +1,229 @@
+package gring_test
+
+import (
+	"container/ring"
+	"github.com/gogf/gf/g"
+	"github.com/gogf/gf/g/container/gring"
+	"github.com/gogf/gf/g/test/gtest"
+	"testing"
+)
+type Student struct {
+	position int
+	name    string
+	upgrade bool
+}
+
+func TestRing_Val(t *testing.T) {
+	gtest.Case(t, func() {
+		//定义cap 为3的ring类型数据
+		r := gring.New(3, true)
+		//分别给3个元素初始化赋值
+		r.Put(&Student{1,"jimmy", true})
+		r.Put(&Student{2,"tom", true})
+		r.Put(&Student{3,"alon", false})
+
+		//元素取值并判断和预设值是否相等
+		gtest.Assert(r.Val().(*Student).name,"jimmy")
+		//从当前位置往后移两个元素
+		r.Move(2)
+		gtest.Assert(r.Val().(*Student).name,"alon")
+		//更新元素值
+		//测试 value == nil
+		r.Set(nil)
+		gtest.Assert(r.Val(),nil)
+		//测试value != nil
+		r.Set(&Student{3, "jack", true})
+	})
+}
+func TestRing_CapLen(t *testing.T) {
+	gtest.Case(t, func() {
+		r := gring.New(10)
+		r.Put("goframe")
+		//cap长度 10
+		gtest.Assert(r.Cap(), 10)
+		//已有数据项 1
+		gtest.Assert(r.Len(), 1)
+	})
+}
+
+func TestRing_Position(t *testing.T) {
+	gtest.Case(t, func() {
+		r := gring.New(2)
+		r.Put(1)
+		r.Put(2)
+		//往后移动1个元素
+		r.Next()
+		gtest.Assert(r.Val(),2)
+		//往前移动1个元素
+		r.Prev()
+		gtest.Assert(r.Val(),1)
+
+	})
+}
+
+func TestRing_Link(t *testing.T) {
+	gtest.Case(t, func() {
+		r := gring.New(3)
+		r.Put(1)
+		r.Put(2)
+		r.Put(3)
+		s := gring.New(2)
+		s.Put("a")
+		s.Put("b")
+
+		rs := r.Link(s)
+		gtest.Assert(rs.Move(2).Val(), "b")
+
+	})
+}
+
+func TestRing_Unlink(t *testing.T) {
+	gtest.Case(t, func() {
+		r := gring.New(5)
+		for i := 0; i< 5; i++  {
+			r.Put(i+1)
+		}
+		// 1 2 3 4
+		// 删除当前位置往后的2个数据，返回被删除的数据
+		// 重新计算s len
+		s := r.Unlink(2)		// 2 3
+		gtest.Assert(s.Val(), 2)
+		gtest.Assert(s.Len(), 1)
+	})
+}
+
+func TestRing_Slice(t *testing.T) {
+	gtest.Case(t, func() {
+		ringLen := 5
+		r := gring.New(ringLen)
+		for i := 0; i< ringLen; i++  {
+			r.Put(i+1)
+		}
+		r.Move(2)	// 3
+		array := r.SliceNext()		// [3 4 5 1 2]
+		gtest.Assert(array[0], 3)
+		gtest.Assert(len(array), 5)
+
+		//判断array是否等于[3 4 5 1 2]
+		ra := []int{3,4,5,1,2}
+		gtest.Assert(ra, array)
+
+		//第3个元素设为nil
+		r.Set(nil)
+		array2 := r.SliceNext() 	//[4 5 1 2]
+		//返回当前位置往后不为空的元素数组，长度为4
+		gtest.Assert(array2, g.Slice{4,5,1,2})
+
+		array3 := r.SlicePrev() 	//[2 1 5 4]
+		gtest.Assert(array3, g.Slice{2,1,5,4})
+
+		s := gring.New(ringLen)
+		for i := 0; i< ringLen; i++  {
+			s.Put(i+1)
+		}
+		array4 := s.SlicePrev()	// []
+		gtest.Assert(array4, g.Slice{1,5,4,3,2})
+
+	})
+}
+
+func TestRing_RLockIterator(t *testing.T) {
+	gtest.Case(t, func() {
+		ringLen := 5
+		r := gring.New(ringLen)
+
+		//ring不存在有值元素
+		r.RLockIteratorNext(func(v interface{}) bool {
+			gtest.Assert(v, nil)
+			return false
+		})
+		r.RLockIteratorNext(func(v interface{}) bool {
+			gtest.Assert(v, nil)
+			return true
+		})
+
+		r.RLockIteratorPrev(func(v interface{}) bool {
+			gtest.Assert(v, nil)
+			return true
+		})
+
+		for i := 0; i< ringLen; i++  {
+			r.Put(i+1)
+		}
+
+		//回调函数返回true,RLockIteratorNext遍历5次,期望值分别是1、2、3、4、5
+		i := 0
+		r.RLockIteratorNext(func(v interface{}) bool {
+			gtest.Assert(v, i+1)
+			i++;
+			return true
+		})
+
+		//RLockIteratorPrev遍历1次返回 false,退出遍历
+		r.RLockIteratorPrev(func(v interface{}) bool {
+			gtest.Assert(v, 1)
+			return false
+		})
+
+	})
+}
+
+func TestRing_LockIterator(t *testing.T) {
+	gtest.Case(t, func() {
+		ringLen := 5
+		r := gring.New(ringLen)
+
+		//不存在有值元素
+		r.LockIteratorNext(func(item *ring.Ring) bool {
+			gtest.Assert(item.Value, nil)
+			return false
+		})
+		r.LockIteratorNext(func(item *ring.Ring) bool {
+			gtest.Assert(item.Value, nil)
+			return false
+		})
+		r.LockIteratorNext(func(item *ring.Ring) bool {
+			gtest.Assert(item.Value, nil)
+			return true
+		})
+
+		r.LockIteratorPrev(func(item *ring.Ring) bool {
+			gtest.Assert(item.Value, nil)
+			return false
+		})
+		r.LockIteratorPrev(func(item *ring.Ring) bool {
+			gtest.Assert(item.Value, nil)
+			return true
+		})
+
+		//ring初始化元素值
+		for i := 0; i< ringLen; i++  {
+			r.Put(i+1)
+		}
+
+		//往后遍历组成数据 [1,2,3,4,5]
+		array1 := g.Slice{1,2,3,4,5}
+		ii := 0
+		r.LockIteratorNext(func(item *ring.Ring) bool {
+			//校验每一次遍历取值是否是期望值
+			gtest.Assert(item.Value, array1[ii])
+			ii++;
+			return true
+		})
+
+		//往后取3个元素组成数组
+		//获得 [1,5,4]
+		i := 0
+		a := g.Slice{1,5,4}
+		r.LockIteratorPrev(func(item *ring.Ring) bool {
+			if i > 2 {
+				return false
+			}
+			gtest.Assert(item.Value, a[i])
+			i++;
+			return true
+		})
+
+
+	})
+}
\ No newline at end of file
diff --git a/g/encoding/gjson/gjson_unit_basic_test.go b/g/encoding/gjson/gjson_unit_basic_test.go
index 790878289..102a2e15b 100644
--- a/g/encoding/gjson/gjson_unit_basic_test.go
+++ b/g/encoding/gjson/gjson_unit_basic_test.go
@@ -139,9 +139,9 @@ func Test_GetMap(t *testing.T) {
     gtest.Case(t, func() {
         j, err := gjson.DecodeToJson(data)
         gtest.Assert(err, nil)
-        gtest.Assert(j.GetMap("n"), g.Map{})
+        gtest.Assert(j.GetMap("n"), nil)
         gtest.Assert(j.GetMap("m"), g.Map{"k" : "v"})
-        gtest.Assert(j.GetMap("a"), g.Map{})
+        gtest.Assert(j.GetMap("a"), nil)
     })
 }
 
@@ -189,7 +189,7 @@ func Test_GetStrings(t *testing.T) {
         gtest.AssertEQ(j.GetStrings("n"), g.SliceStr{"123456789"})
         gtest.AssertEQ(j.GetStrings("m"), g.SliceStr{`{"k":"v"}`})
         gtest.AssertEQ(j.GetStrings("a"), g.SliceStr{"1", "2", "3"})
-        gtest.AssertEQ(j.GetStrings("i"), g.SliceStr{})
+        gtest.AssertEQ(j.GetStrings("i"), nil)
     })
 }
 
diff --git a/g/encoding/gparser/gparser_unit_basic_test.go b/g/encoding/gparser/gparser_unit_basic_test.go
index bf7067753..4fb894d4f 100644
--- a/g/encoding/gparser/gparser_unit_basic_test.go
+++ b/g/encoding/gparser/gparser_unit_basic_test.go
@@ -107,9 +107,9 @@ func Test_GetMap(t *testing.T) {
     gtest.Case(t, func() {
         j := gparser.New(data)
         gtest.AssertNE(j, nil)
-        gtest.Assert(j.GetMap("n"), g.Map{})
+        gtest.Assert(j.GetMap("n"), nil)
         gtest.Assert(j.GetMap("m"), g.Map{"k" : "v"})
-        gtest.Assert(j.GetMap("a"), g.Map{})
+        gtest.Assert(j.GetMap("a"), nil)
     })
 }
 
@@ -144,7 +144,7 @@ func Test_GetStrings(t *testing.T) {
         gtest.AssertEQ(j.GetStrings("n"), g.SliceStr{"123456789"})
         gtest.AssertEQ(j.GetStrings("m"), g.SliceStr{`{"k":"v"}`})
         gtest.AssertEQ(j.GetStrings("a"), g.SliceStr{"1", "2", "3"})
-        gtest.AssertEQ(j.GetStrings("i"), g.SliceStr{})
+        gtest.AssertEQ(j.GetStrings("i"), nil)
     })
 }
 
diff --git a/g/internal/cmdenv/cmdenv.go b/g/internal/cmdenv/cmdenv.go
index 31e7475bc..9dd9a8d08 100644
--- a/g/internal/cmdenv/cmdenv.go
+++ b/g/internal/cmdenv/cmdenv.go
@@ -7,12 +7,27 @@
 package cmdenv
 
 import (
-    "github.com/gogf/gf/g/container/gvar"
-    "github.com/gogf/gf/g/os/gcmd"
-    "github.com/gogf/gf/g/os/genv"
-    "strings"
+	"github.com/gogf/gf/g/container/gvar"
+	"os"
+	"regexp"
+	"strings"
 )
 
+var (
+	// Console options.
+	cmdOptions = make(map[string]string)
+)
+
+func init() {
+	reg := regexp.MustCompile(`\-\-{0,1}(.+?)=(.+)`)
+	for i := 0; i < len(os.Args); i++ {
+		result := reg.FindStringSubmatch(os.Args[i])
+		if len(result) > 1 {
+			cmdOptions[result[1]] = result[2]
+		}
+	}
+}
+
 // 获取指定名称的命令行参数，当不存在时获取环境变量参数，皆不存在时，返回给定的默认值。
 // 规则:
 // 1、命令行参数以小写字母格式，使用: gf.包名.变量名 传递；
@@ -22,11 +37,11 @@ func Get(key string, def...interface{}) gvar.VarRead {
     if len(def) > 0 {
         value = def[0]
     }
-    if v := gcmd.Option.Get(key); v != "" {
+    if v, ok := cmdOptions[key]; ok {
         value = v
     } else {
         key = strings.ToUpper(strings.Replace(key, ".", "_", -1))
-        if v := genv.Get(key); v != "" {
+        if v := os.Getenv(key); v != "" {
             value = v
         }
     }
diff --git a/g/net/ghttp/ghttp_server_router_group.go b/g/net/ghttp/ghttp_server_router_group.go
index cd90806f8..ad3dd3f2d 100644
--- a/g/net/ghttp/ghttp_server_router_group.go
+++ b/g/net/ghttp/ghttp_server_router_group.go
@@ -26,13 +26,13 @@ type GroupItem = []interface{}
 
 // 获取分组路由对象
 func (s *Server) Group(prefix...string) *RouterGroup {
+	group := &RouterGroup{
+		server : s,
+	}
     if len(prefix) > 0 {
-        return &RouterGroup{
-            server : s,
-            prefix : prefix[0],
-        }
+    	group.prefix = prefix[0]
     }
-    return &RouterGroup{}
+    return group
 }
 
 // 获取分组路由对象
diff --git a/g/os/gcmd/gcmd.go b/g/os/gcmd/gcmd.go
index 4fe997010..a5601806f 100644
--- a/g/os/gcmd/gcmd.go
+++ b/g/os/gcmd/gcmd.go
@@ -6,33 +6,28 @@
 //
 
 // Package gcmd provides console operations, like options/values reading and command running.
-// 
-// 命令行管理.
 package gcmd
 
 import (
+	"github.com/gogf/gf/g/os/glog"
 	"os"
-    "errors"
-    "regexp"
+	"regexp"
 )
 
-// 命令行参数列表
+// Console values.
 type gCmdValue  struct {
     values []string
 }
 
-// 命令行选项列表
+// Console options.
 type gCmdOption struct {
     options map[string]string
 }
 
-// 终端管理对象(全局)
-var Value      = &gCmdValue{}            // 终端参数-命令参数列表
-var Option     = &gCmdOption{}           // 终端参数-选项参数列表
-var cmdFuncMap = make(map[string]func()) // 终端命令及函数地址对应表
+var Value      = &gCmdValue{}            // Console values.
+var Option     = &gCmdOption{}           // Console options.
+var cmdFuncMap = make(map[string]func()) // Registered callback functions.
 
-// 检查并初始化console参数，在包加载的时候触发
-// 初始化时执行，不影响运行时性能
 func init() {
     reg := regexp.MustCompile(`\-\-{0,1}(.+?)=(.+)`)
     Option.options = make(map[string]string)
@@ -46,67 +41,34 @@ func init() {
     }
 }
 
-// 返回所有的命令行参数values
-func (c *gCmdValue) GetAll() []string {
-    return c.values
-}
-
-// 返回所有的命令行参数options
-func (c *gCmdOption) GetAll() map[string]string {
-    return c.options
-}
-
-// 获得一条指定索引位置的value参数
-func (c *gCmdValue) Get(index uint8, def...string) string {
-    if index < uint8(len(c.values)) {
-        return c.values[index]
-    } else if len(def) > 0 {
-        return def[0]
-    }
-    return ""
-}
-
-// 获得一条指定索引位置的option参数;
-func (c *gCmdOption) Get(key string, def...string) string {
-    if option, ok := c.options[key]; ok {
-        return option
-    } else if len(def) > 0 {
-        return def[0]
-    }
-    return ""
-}
-
-// 绑定命令行参数及对应的命令函数，注意命令函数参数是函数的内存地址
-// 如果操作失败返回错误信息
-func BindHandle (cmd string, f func()) error {
+// BindHandle registers callback function <f> with <cmd>.
+func BindHandle (cmd string, f func()) {
     if _, ok := cmdFuncMap[cmd]; ok {
-        return errors.New("duplicated handle for command:" + cmd)
+	    glog.Fatal("duplicated handle for command:" + cmd)
     } else {
         cmdFuncMap[cmd] = f
-        return nil
     }
 }
 
-// 执行命令对应的函数
-func RunHandle (cmd string) error {
+// RunHandle executes the callback function registered by <cmd>.
+func RunHandle (cmd string) {
     if handle, ok := cmdFuncMap[cmd]; ok {
         handle()
-        return nil
     } else {
-        return errors.New("no handle found for command:" + cmd)
+	    glog.Fatal("no handle found for command:" + cmd)
     }
 }
 
-// 自动识别命令参数并执行命令参数对应的函数
-func AutoRun () error {
+// AutoRun automatically recognizes and executes the callback function
+// by value of index 0 (the first console parameter).
+func AutoRun () {
     if cmd := Value.Get(1); cmd != "" {
         if handle, ok := cmdFuncMap[cmd]; ok {
             handle()
-            return nil
         } else {
-            return errors.New("no handle found for command:" + cmd)
+        	glog.Fatal("no handle found for command:" + cmd)
         }
     } else {
-        return errors.New("no command found")
+	    glog.Fatal("no command found")
     }
 }
diff --git a/g/os/gcmd/gcmd_option.go b/g/os/gcmd/gcmd_option.go
new file mode 100644
index 000000000..4cc0147f4
--- /dev/null
+++ b/g/os/gcmd/gcmd_option.go
@@ -0,0 +1,32 @@
+// Copyright 2017 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+//
+
+package gcmd
+
+import "github.com/gogf/gf/g/container/gvar"
+
+// GetAll returns all option values as map[string]string.
+func (c *gCmdOption) GetAll() map[string]string {
+    return c.options
+}
+
+// Get returns the option value string specified by <key>,
+// if value dose not exist, then returns <def>.
+func (c *gCmdOption) Get(key string, def...string) string {
+    if option, ok := c.options[key]; ok {
+        return option
+    } else if len(def) > 0 {
+        return def[0]
+    }
+    return ""
+}
+
+// GetVar returns the option value as gvar.VarRead object specified by <key>,
+// if value does not exist, then returns <def> as its default value.
+func (c *gCmdOption) GetVar(key string, def...string) gvar.VarRead {
+	return gvar.NewRead(c.Get(key, def...), true)
+}
diff --git a/g/os/gcmd/gcmd_value.go b/g/os/gcmd/gcmd_value.go
new file mode 100644
index 000000000..b1144b6ac
--- /dev/null
+++ b/g/os/gcmd/gcmd_value.go
@@ -0,0 +1,32 @@
+// Copyright 2017 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+//
+
+package gcmd
+
+import "github.com/gogf/gf/g/container/gvar"
+
+// GetAll returns all values as a slice of string.
+func (c *gCmdValue) GetAll() []string {
+    return c.values
+}
+
+// Get returns value by index <index> as string,
+// if value does not exist, then returns <def>.
+func (c *gCmdValue) Get(index int, def...string) string {
+    if index < len(c.values) {
+        return c.values[index]
+    } else if len(def) > 0 {
+        return def[0]
+    }
+    return ""
+}
+
+// GetVar returns value by index <index> as gvar.VarRead object,
+// if value does not exist, then returns <def> as its default value.
+func (c *gCmdValue) GetVar(index int, def...string) gvar.VarRead {
+	return gvar.NewRead(c.Get(index, def...), true)
+}
diff --git a/g/test/gtest/gtest.go b/g/test/gtest/gtest.go
index 0b520e0a8..89256a481 100644
--- a/g/test/gtest/gtest.go
+++ b/g/test/gtest/gtest.go
@@ -32,12 +32,9 @@ func Case(t *testing.T, f func()) {
 
 // Assert checks <value> and <expect> EQUAL.
 func Assert(value, expect interface{}) {
-    rvValue  := reflect.ValueOf(value)
     rvExpect := reflect.ValueOf(expect)
-    if rvValue.Kind() == reflect.Ptr {
-        if rvValue.IsNil() {
-            value = nil
-        }
+    if isNil(value) {
+        value = nil
     }
     if rvExpect.Kind() == reflect.Map {
         if err := compareMap(value, expect); err != nil {
@@ -53,13 +50,10 @@ func Assert(value, expect interface{}) {
 // AssertEQ checks <value> and <expect> EQUAL, including their TYPES.
 func AssertEQ(value, expect interface{}) {
 	// Value assert.
-    rvValue  := reflect.ValueOf(value)
     rvExpect := reflect.ValueOf(expect)
-    if rvValue.Kind() == reflect.Ptr {
-        if rvValue.IsNil() {
-            value = nil
-        }
-    }
+	if isNil(value) {
+		value = nil
+	}
     if rvExpect.Kind() == reflect.Map {
         if err := compareMap(value, expect); err != nil {
             panic(err)
@@ -79,13 +73,10 @@ func AssertEQ(value, expect interface{}) {
 
 // AssertNE checks <value> and <expect> NOT EQUAL.
 func AssertNE(value, expect interface{}) {
-    rvValue  := reflect.ValueOf(value)
     rvExpect := reflect.ValueOf(expect)
-    if rvValue.Kind() == reflect.Ptr {
-        if rvValue.IsNil() {
-            value = nil
-        }
-    }
+	if isNil(value) {
+		value = nil
+	}
     if rvExpect.Kind() == reflect.Map {
         if err := compareMap(value, expect); err == nil {
             panic(fmt.Sprintf(`[ASSERT] EXPECT %v != %v`, value, expect))
@@ -259,11 +250,9 @@ func Fatal(message...interface{}) {
 func compareMap(value, expect interface{}) error {
     rvValue  := reflect.ValueOf(value)
     rvExpect := reflect.ValueOf(expect)
-    if rvValue.Kind() == reflect.Ptr {
-        if rvValue.IsNil() {
-            value = nil
-        }
-    }
+	if isNil(value) {
+		value = nil
+	}
     if rvExpect.Kind() == reflect.Map {
         if rvValue.Kind() == reflect.Map {
             if rvExpect.Len() == rvValue.Len() {
@@ -336,4 +325,15 @@ func getBacktrace(skip...int) string {
         }
     }
     return backtrace
+}
+
+// isNil checks whether <value> is nil.
+func isNil(value interface{}) bool {
+	rv := reflect.ValueOf(value)
+	switch rv.Kind() {
+	case reflect.Slice, reflect.Array, reflect.Map, reflect.Ptr, reflect.Func:
+		return rv.IsNil()
+	default:
+		return value == nil
+	}
 }
\ No newline at end of file
diff --git a/g/text/gstr/gstr.go b/g/text/gstr/gstr.go
index fc03ce3bc..b1dad21fd 100644
--- a/g/text/gstr/gstr.go
+++ b/g/text/gstr/gstr.go
@@ -594,4 +594,21 @@ func QuoteMeta(str string) string {
         buf.WriteRune(char)
     }
     return buf.String()
+}
+
+// SearchArray searches string <s> in string slice <a> case-sensitively,
+// returns its index in <a>.
+// If <s> is not found in <a>, it returns -1.
+func SearchArray (a []string, s string) int {
+	for i, v := range a {
+		if s == v {
+			return i
+		}
+	}
+	return -1
+}
+
+// InArray checks whether string <s> in slice <a>.
+func InArray (a []string, s string) bool {
+	return SearchArray(a, s) != -1
 }
\ No newline at end of file
diff --git a/g/text/gstr/gstr_z_unit_basic_test.go b/g/text/gstr/gstr_z_unit_basic_test.go
index b69939236..d15e312db 100644
--- a/g/text/gstr/gstr_z_unit_basic_test.go
+++ b/g/text/gstr/gstr_z_unit_basic_test.go
@@ -383,3 +383,22 @@ func Test_ContainsAny(t *testing.T) {
     })
 }
 
+func Test_SearchArray(t *testing.T) {
+	gtest.Case(t, func() {
+		a := g.SliceStr{"a", "b", "c"}
+		gtest.AssertEQ(gstr.SearchArray(a, "a"),  0)
+		gtest.AssertEQ(gstr.SearchArray(a, "b"),  1)
+		gtest.AssertEQ(gstr.SearchArray(a, "c"),  2)
+		gtest.AssertEQ(gstr.SearchArray(a, "d"), -1)
+	})
+}
+
+func Test_InArray(t *testing.T) {
+	gtest.Case(t, func() {
+		a := g.SliceStr{"a", "b", "c"}
+		gtest.AssertEQ(gstr.InArray(a, "a"),  true)
+		gtest.AssertEQ(gstr.InArray(a, "b"),  true)
+		gtest.AssertEQ(gstr.InArray(a, "c"),  true)
+		gtest.AssertEQ(gstr.InArray(a, "d"),  false)
+	})
+}
diff --git a/g/util/grand/grand_intn.go b/g/util/grand/grand_intn.go
index de8d6244c..14dcc032e 100644
--- a/g/util/grand/grand_intn.go
+++ b/g/util/grand/grand_intn.go
@@ -7,8 +7,9 @@
 package grand
 
 import (
-    "crypto/rand"
-    "encoding/binary"
+	"crypto/rand"
+	"encoding/binary"
+	"os"
 )
 
 const (
@@ -27,6 +28,7 @@ func init() {
         for {
             if n, err := rand.Read(buffer); err != nil {
                 panic(err)
+                os.Exit(1)
             } else {
                 // 使用缓冲区数据进行一次完整的随机数生成
                 for i := 0; i < n - 4; {
@@ -34,10 +36,18 @@ func init() {
                     i ++
                 }
                 // 充分利用缓冲区数据，随机索引递增
-                step = int(buffer[0])%10
+                for i := 0; i < n; i++ {
+	                step = int(buffer[0])%10
+	                if step != 0 {
+	                	break
+	                }
+                }
+	            if step == 0 {
+		            step = 2
+	            }
                 for i := 0; i < n - 4; {
-                    bufferChan <- binary.BigEndian.Uint32(buffer[i : i + 4])
-                    i += step
+                   bufferChan <- binary.BigEndian.Uint32(buffer[i : i + 4])
+                   i += step
                 }
             }
         }
diff --git a/geg/os/gtimer/gtimer-batch.go b/geg/os/gtimer/gtimer-batch.go
new file mode 100644
index 000000000..c5d8dcfb9
--- /dev/null
+++ b/geg/os/gtimer/gtimer-batch.go
@@ -0,0 +1,17 @@
+package main
+
+import (
+	"fmt"
+	"github.com/gogf/gf/g/os/gtimer"
+	"time"
+)
+
+func main() {
+	for i := 0; i < 100000; i++ {
+		gtimer.Add(time.Second, func() {
+
+		})
+	}
+	fmt.Println("start")
+	time.Sleep(48*time.Hour)
+}
diff --git a/geg/other/test.go b/geg/other/test.go
index ed997310b..63996a987 100644
--- a/geg/other/test.go
+++ b/geg/other/test.go
@@ -2,9 +2,14 @@ package main
 
 import (
 	"fmt"
-	"github.com/gogf/gf/g/os/gtime"
+	"github.com/gogf/gf/g/util/grand"
 )
 
+
+
 func main() {
-	fmt.Println(gtime.Now().Format(`Y-m-j G:i:su`))
+	for {
+		fmt.Println(grand.Intn(100))
+	}
+
 }
\ No newline at end of file
diff --git a/version.go b/version.go
index 0d8a2b6f5..49e1a370b 100644
--- a/version.go
+++ b/version.go
@@ -1,4 +1,4 @@
 package gf
 
-const VERSION = "v1.6.0"
+const VERSION = "v1.6.2"
 const AUTHORS = "john<john@goframe.org>"