diff --git a/.travis.yml b/.travis.yml
index d5980d1e5..56e65d817 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -32,6 +32,7 @@ install:
 before_script:
 - find . -name "*.go" | xargs gofmt -w
 - git diff --name-only --exit-code || exit 1
+- echo "USE mysql;\nUPDATE user SET password=PASSWORD('12345678') WHERE user='root';\nFLUSH PRIVILEGES;\n" | mysql -u root
 - psql -c 'create database travis_ci_test;' -U postgres
 
 script:
diff --git a/database/gdb/gdb_unit_init_mssql_test.go b/database/gdb/gdb_unit_init_mssql_test.go
index de1d44801..af13afb14 100644
--- a/database/gdb/gdb_unit_init_mssql_test.go
+++ b/database/gdb/gdb_unit_init_mssql_test.go
@@ -16,7 +16,6 @@ import (
 )
 
 var (
-	// 数据库对象/接口
 	msdb gdb.DB
 )
 
@@ -44,7 +43,6 @@ func InitMssql() {
 		msdb = r
 	}
 
-	// 创建默认用户表
 	createTableMssql("t_user")
 	//msdb.SetDebug(true)
 }
@@ -74,7 +72,6 @@ func createTableMssql(table ...string) (name string) {
 	//msdb.Exec("DROP DATABASE test")
 	//msdb.Exec("CREATE DATABASE test")
 
-	// 选择操作数据库
 	msdb.SetSchema("test")
 
 	//msdb.SetDebug(true)
@@ -102,7 +99,6 @@ func createInitTableMssql(table ...string) (name string) {
 	return
 }
 
-// 删除指定表.
 func dropTableMssql(table string) {
 	if _, err := msdb.Exec(fmt.Sprintf(`
 		IF EXISTS (SELECT * FROM sysobjects WHERE name='%s' and xtype='U')
diff --git a/database/gdb/gdb_unit_init_mysql_test.go b/database/gdb/gdb_unit_init_mysql_test.go
index c55e44fdc..2fcfcb868 100644
--- a/database/gdb/gdb_unit_init_mysql_test.go
+++ b/database/gdb/gdb_unit_init_mysql_test.go
@@ -8,8 +8,6 @@ package gdb_test
 
 import (
 	"fmt"
-	"os"
-
 	"github.com/gogf/gf/container/garray"
 	"github.com/gogf/gf/frame/g"
 
@@ -19,25 +17,22 @@ import (
 )
 
 const (
-	INIT_DATA_SIZE = 10      // 初始化表数据量
-	TABLE          = "user"  // 测试数据表
-	SCHEMA1        = "test1" // 测试数据库1
-	SCHEMA2        = "test2" // 测试数据库2
+	INIT_DATA_SIZE = 10
+	TABLE          = "user"
+	SCHEMA1        = "test1"
+	SCHEMA2        = "test2"
 )
 
 var (
-	// 测试包变量，ORM对象
 	db gdb.DB
 )
 
-// 初始化连接参数。
-// 测试前需要修改连接参数。
 func InitMysql() {
 	node := gdb.ConfigNode{
 		Host:             "127.0.0.1",
 		Port:             "3306",
 		User:             "root",
-		Pass:             "",
+		Pass:             "12345678",
 		Name:             "",
 		Type:             "mysql",
 		Role:             "master",
@@ -47,10 +42,6 @@ func InitMysql() {
 		MaxOpenConnCount: 10,
 		MaxConnLifetime:  600,
 	}
-	// 作者本地测试hack
-	if hostname, _ := os.Hostname(); hostname == "ijohn" {
-		node.Pass = "12345678"
-	}
 	gdb.AddConfigNode("test", node)
 	gdb.AddConfigNode(gdb.DEFAULT_GROUP_NAME, node)
 	if r, err := gdb.New(); err != nil {
@@ -58,24 +49,21 @@ func InitMysql() {
 	} else {
 		db = r
 	}
-	// 准备测试数据结构：数据库
+
 	schemaTemplate := "CREATE DATABASE IF NOT EXISTS `%s` CHARACTER SET UTF8"
 	if _, err := db.Exec(fmt.Sprintf(schemaTemplate, SCHEMA1)); err != nil {
 		gtest.Error(err)
 	}
-	// 多个数据库，用于测试数据库切换
+
 	if _, err := db.Exec(fmt.Sprintf(schemaTemplate, SCHEMA2)); err != nil {
 		gtest.Error(err)
 	}
-	// 设置默认操作数据库
+
 	db.SetSchema(SCHEMA1)
-	// 创建默认用户表
+
 	createTable(TABLE)
 }
 
-// 创建指定名称的user测试表，当table为空时，创建随机的表名。
-// 创建的测试表默认没有任何数据。
-// 执行完成后返回该表名。
 func createTable(table ...string) (name string) {
 	if len(table) > 0 {
 		name = table[0]
@@ -85,11 +73,11 @@ func createTable(table ...string) (name string) {
 	dropTable(name)
 	if _, err := db.Exec(fmt.Sprintf(`
     CREATE TABLE %s (
-        id          int(10) unsigned NOT NULL AUTO_INCREMENT COMMENT '用户ID',
-        passport    varchar(45) NULL COMMENT '账号',
-        password    char(32) NULL COMMENT '密码',
-        nickname    varchar(45) NULL COMMENT '昵称',
-        create_time timestamp NULL COMMENT '创建时间/注册时间',
+        id          int(10) unsigned NOT NULL AUTO_INCREMENT,
+        passport    varchar(45) NULL,
+        password    char(32) NULL,
+        nickname    varchar(45) NULL,
+        create_time timestamp NULL,
         PRIMARY KEY (id)
     ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
     `, name)); err != nil {
@@ -98,7 +86,6 @@ func createTable(table ...string) (name string) {
 	return
 }
 
-// 创建测试表，并初始化默认数据。
 func createInitTable(table ...string) (name string) {
 	name = createTable(table...)
 	array := garray.New(true)
@@ -120,7 +107,6 @@ func createInitTable(table ...string) (name string) {
 	return
 }
 
-// 删除指定表.
 func dropTable(table string) {
 	if _, err := db.Exec(fmt.Sprintf("DROP TABLE IF EXISTS `%s`", table)); err != nil {
 		gtest.Error(err)
diff --git a/database/gdb/gdb_unit_init_oracle_test.go b/database/gdb/gdb_unit_init_oracle_test.go
index e110c819e..6e9e56f13 100644
--- a/database/gdb/gdb_unit_init_oracle_test.go
+++ b/database/gdb/gdb_unit_init_oracle_test.go
@@ -17,7 +17,6 @@ import (
 )
 
 var (
-	// 数据库对象/接口
 	oradb gdb.DB
 )
 
@@ -46,7 +45,6 @@ func InitOracle() {
 		oradb = r
 	}
 
-	// 创建默认用户表
 	createTableOracle("t_user")
 }
 
@@ -94,7 +92,6 @@ func createInitTableOracle(table ...string) (name string) {
 	return
 }
 
-// 删除指定表.
 func dropTableOracle(table string) {
 
 	count, err := oradb.GetCount("SELECT COUNT(*) FROM USER_TABLES WHERE TABLE_NAME = ?", strings.ToUpper(table))
diff --git a/database/gdb/gdb_unit_init_pgsql_test.go b/database/gdb/gdb_unit_init_pgsql_test.go
index 5ba629a3b..72feabe29 100644
--- a/database/gdb/gdb_unit_init_pgsql_test.go
+++ b/database/gdb/gdb_unit_init_pgsql_test.go
@@ -16,12 +16,9 @@ import (
 )
 
 var (
-	// 数据库对象/接口
 	pgdb gdb.DB
 )
 
-// 初始化连接参数。
-// 测试前需要修改连接参数。
 func InitPgsql() {
 	node := gdb.ConfigNode{
 		Host:             "127.0.0.1",
@@ -64,10 +61,6 @@ func InitPgsql() {
 
 }
 
-// 创建指定名称的user测试表，当table为空时，创建随机的表名。
-// 创建的测试表默认没有任何数据。
-// 执行完成后返回该表名。
-// TODO 支持更多数据库
 func createTablePgsql(table ...string) (name string) {
 	if len(table) > 0 {
 		name = table[0]
@@ -91,7 +84,6 @@ func createTablePgsql(table ...string) (name string) {
 	return
 }
 
-// 创建测试表，并初始化默认数据。
 func createInitTablePgsql(table ...string) (name string) {
 	name = createTablePgsql(table...)
 	array := garray.New(true)
@@ -113,7 +105,6 @@ func createInitTablePgsql(table ...string) (name string) {
 	return
 }
 
-// 删除指定表.
 func dropTablePgsql(table string) {
 	if _, err := pgdb.Exec(fmt.Sprintf("DROP TABLE IF EXISTS %s", table)); err != nil {
 		gtest.Fatal(err)
diff --git a/database/gdb/gdb_unit_z_mysql_model_test.go b/database/gdb/gdb_unit_z_mysql_model_test.go
index 850b1413d..466a43cc4 100644
--- a/database/gdb/gdb_unit_z_mysql_model_test.go
+++ b/database/gdb/gdb_unit_z_mysql_model_test.go
@@ -315,6 +315,9 @@ func Test_Model_Safe(t *testing.T) {
 	})
 
 	gtest.Case(t, func() {
+		table := createInitTable()
+		defer dropTable(table)
+
 		md1 := db.Table(table).Where("id>", 0).Safe()
 		md2 := md1.Where("id in (?)", g.Slice{1, 3})
 		md3 := md1.Where("id in (?)", g.Slice{4, 5, 6})
diff --git a/net/ghttp/ghttp_response.go b/net/ghttp/ghttp_response.go
index de3e1ccc3..0d9fd0ed4 100644
--- a/net/ghttp/ghttp_response.go
+++ b/net/ghttp/ghttp_response.go
@@ -11,6 +11,7 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
+	"github.com/gogf/gf/os/gview"
 	"net/http"
 
 	"github.com/gogf/gf/os/gres"
@@ -20,13 +21,14 @@ import (
 	"github.com/gogf/gf/util/gconv"
 )
 
-// Response is the writer for response buffer.
+// Response is the http response manager.
 // Note that it implements the http.ResponseWriter interface with buffering feature.
 type Response struct {
 	*ResponseWriter                 // Underlying ResponseWriter.
 	Server          *Server         // Parent server.
 	Writer          *ResponseWriter // Alias of ResponseWriter.
 	Request         *Request        // According request.
+	view            *gview.View     // Custom template view engine object for this response.
 }
 
 // newResponse creates and returns a new Response object.
@@ -162,7 +164,7 @@ func (r *Response) ServeFile(path string, allowIndex ...bool) {
 	r.Server.serveFile(r.Request, serveFile, allowIndex...)
 }
 
-// ServeFileDownload serves file as file downloading to the response.
+// ServeFileDownload serves file downloading to the response.
 func (r *Response) ServeFileDownload(path string, name ...string) {
 	serveFile := (*staticServeFile)(nil)
 	downloadName := ""
@@ -194,29 +196,29 @@ func (r *Response) ServeFileDownload(path string, name ...string) {
 	r.Server.serveFile(r.Request, serveFile)
 }
 
-// RedirectTo redirects client to another location.
+// RedirectTo redirects client to another location using http status 302.
 func (r *Response) RedirectTo(location string) {
 	r.Header().Set("Location", location)
 	r.WriteHeader(http.StatusFound)
 	r.Request.Exit()
 }
 
-// RedirectBack redirects client back to referer.
+// RedirectBack redirects client back to referer using http status 302.
 func (r *Response) RedirectBack() {
 	r.RedirectTo(r.Request.GetReferer())
 }
 
-// BufferString returns the buffer content as []byte.
+// BufferString returns the buffered content as []byte.
 func (r *Response) Buffer() []byte {
 	return r.buffer.Bytes()
 }
 
-// BufferString returns the buffer content as string.
+// BufferString returns the buffered content as string.
 func (r *Response) BufferString() string {
 	return r.buffer.String()
 }
 
-// BufferLength returns the length of the buffer content.
+// BufferLength returns the length of the buffered content.
 func (r *Response) BufferLength() int {
 	return r.buffer.Len()
 }
@@ -237,6 +239,5 @@ func (r *Response) Output() {
 	if r.Server.config.ServerAgent != "" {
 		r.Header().Set("Server", r.Server.config.ServerAgent)
 	}
-	//r.handleGzip()
 	r.Writer.OutputBuffer()
 }
diff --git a/net/ghttp/ghttp_response_cors.go b/net/ghttp/ghttp_response_cors.go
index 5da9ad10b..88042785c 100644
--- a/net/ghttp/ghttp_response_cors.go
+++ b/net/ghttp/ghttp_response_cors.go
@@ -14,6 +14,7 @@ import (
 	"github.com/gogf/gf/util/gconv"
 )
 
+// CORSOptions is the options for CORS feature.
 // See https://www.w3.org/TR/cors/ .
 type CORSOptions struct {
 	AllowDomain      []string // Used for allowing requests from custom domains
@@ -70,7 +71,7 @@ func (r *Response) CORS(options CORSOptions) {
 	}
 }
 
-// CORSAllowed checks whether the current request origin is allowed CORS.
+// CORSAllowed checks whether the current request origin is allowed cross-domain.
 func (r *Response) CORSAllowedOrigin(options CORSOptions) bool {
 	if options.AllowDomain == nil {
 		return true
diff --git a/net/ghttp/ghttp_response_view.go b/net/ghttp/ghttp_response_view.go
index 8b2cd42b1..9f90e5142 100644
--- a/net/ghttp/ghttp_response_view.go
+++ b/net/ghttp/ghttp_response_view.go
@@ -13,7 +13,25 @@ import (
 	"github.com/gogf/gf/util/gmode"
 )
 
-// 展示模板，可以给定模板参数，及临时的自定义模板函数
+// SetView sets template view engine object for this response.
+func (r *Response) SetView(view *gview.View) {
+	r.view = view
+}
+
+// GetView returns the template view engine object for this response.
+func (r *Response) GetView() *gview.View {
+	view := r.view
+	if view == nil {
+		view = r.Server.config.View
+	}
+	if view == nil {
+		gview.Instance()
+	}
+	return view
+}
+
+// WriteTpl parses and responses given template file.
+// The parameter <params> specifies the template variables for parsing.
 func (r *Response) WriteTpl(tpl string, params ...gview.Params) error {
 	if b, err := r.ParseTpl(tpl, params...); err != nil {
 		if !gmode.IsProduct() {
@@ -26,7 +44,22 @@ func (r *Response) WriteTpl(tpl string, params ...gview.Params) error {
 	return nil
 }
 
-// 展示模板内容，可以给定模板参数，及临时的自定义模板函数
+// WriteTplDefault parses and responses the default template file.
+// The parameter <params> specifies the template variables for parsing.
+func (r *Response) WriteTplDefault(params ...gview.Params) error {
+	if b, err := r.ParseTplDefault(params...); err != nil {
+		if !gmode.IsProduct() {
+			r.Write("Template Parsing Error: " + err.Error())
+		}
+		return err
+	} else {
+		r.Write(b)
+	}
+	return nil
+}
+
+// WriteTplContent parses and responses the template content.
+// The parameter <params> specifies the template variables for parsing.
 func (r *Response) WriteTplContent(content string, params ...gview.Params) error {
 	if b, err := r.ParseTplContent(content, params...); err != nil {
 		if !gmode.IsProduct() {
@@ -39,23 +72,24 @@ func (r *Response) WriteTplContent(content string, params ...gview.Params) error
 	return nil
 }
 
-// 解析模板文件，并返回模板内容
+// ParseTpl parses given template file <tpl> with given template variables <params>
+// and returns the parsed template content.
 func (r *Response) ParseTpl(tpl string, params ...gview.Params) (string, error) {
-	if r.Server.config.View != nil {
-		return r.Server.config.View.Parse(tpl, r.buildInVars(params...))
-	}
-	return gview.Instance().Parse(tpl, r.buildInVars(params...))
+	return r.GetView().Parse(tpl, r.buildInVars(params...))
 }
 
-// 解析并返回模板内容
+// ParseDefault parses the default template file with params.
+func (r *Response) ParseTplDefault(params ...gview.Params) (string, error) {
+	return r.GetView().ParseDefault(r.buildInVars(params...))
+}
+
+// ParseTplContent parses given template file <file> with given template parameters <params>
+// and returns the parsed template content.
 func (r *Response) ParseTplContent(content string, params ...gview.Params) (string, error) {
-	if r.Server.config.View != nil {
-		return r.Server.config.View.ParseContent(content, r.buildInVars(params...))
-	}
-	return gview.Instance().ParseContent(content, r.buildInVars(params...))
+	return r.GetView().ParseContent(content, r.buildInVars(params...))
 }
 
-// 内置变量/对象
+// buildInVars merges build-in variables into <params> and returns the new template variables.
 func (r *Response) buildInVars(params ...map[string]interface{}) map[string]interface{} {
 	var vars map[string]interface{}
 	if len(params) > 0 && params[0] != nil {
diff --git a/net/ghttp/ghttp_response_writer.go b/net/ghttp/ghttp_response_writer.go
index 722dee9d4..646596e46 100644
--- a/net/ghttp/ghttp_response_writer.go
+++ b/net/ghttp/ghttp_response_writer.go
@@ -14,13 +14,13 @@ import (
 	"net/http"
 )
 
-// Custom ResponseWriter, which is used for controlling the output buffer.
+// ResponseWriter is the custom writer for http response.
 type ResponseWriter struct {
 	Status      int                 // HTTP status.
 	writer      http.ResponseWriter // The underlying ResponseWriter.
 	buffer      *bytes.Buffer       // The output buffer.
 	hijacked    bool                // Mark this request is hijacked or not.
-	wroteHeader bool                // Is header wrote, avoiding error: superfluous/multiple response.WriteHeader call.
+	wroteHeader bool                // Is header wrote or not, avoiding error: superfluous/multiple response.WriteHeader call.
 }
 
 // RawWriter returns the underlying ResponseWriter.
diff --git a/os/gview/gview_doparse.go b/os/gview/gview_doparse.go
index 0a5e548ad..348283416 100644
--- a/os/gview/gview_doparse.go
+++ b/os/gview/gview_doparse.go
@@ -48,9 +48,8 @@ type fileCacheItem struct {
 	content string
 }
 
-// ParseContent parses given template file <file>
-// with given template parameters <params> and function map <funcMap>
-// and returns the parsed string content.
+// Parse parses given template file <file> with given template variables <params>
+// and returns the parsed template content.
 func (view *View) Parse(file string, params ...Params) (result string, err error) {
 	var tpl *template.Template
 	// It caches the file, folder and its content to enhance performance.
@@ -143,8 +142,7 @@ func (view *View) ParseDefault(params ...Params) (result string, err error) {
 	return view.Parse(view.defaultFile, params...)
 }
 
-// ParseContent parses given template content <content>
-// with given template parameters <params> and function map <funcMap>
+// ParseContent parses given template content <content>  with template variables <params>
 // and returns the parsed content in []byte.
 func (view *View) ParseContent(content string, params ...Params) (string, error) {
 	err := (error)(nil)
@@ -201,7 +199,7 @@ func (view *View) ParseContent(content string, params ...Params) (string, error)
 
 // getTemplate returns the template object associated with given template folder <path>.
 // It uses template cache to enhance performance, that is, it will return the same template object
-// with the same given <path>. It will also refresh the template cache
+// with the same given <path>. It will also automatically refresh the template cache
 // if the template files under <path> changes (recursively).
 func (view *View) getTemplate(path string, pattern string) (tpl *template.Template, err error) {
 	r := templates.GetOrSetFuncLock(path, func() interface{} {
@@ -237,7 +235,7 @@ func (view *View) getTemplate(path string, pattern string) (tpl *template.Templa
 	return
 }
 
-// searchFile returns the found absolute path for <file>, and its template folder path.
+// searchFile returns the found absolute path for <file> and its template folder path.
 func (view *View) searchFile(file string) (path string, folder string, resource *gres.File, err error) {
 	// Firstly checking the resource manager.
 	if !gres.IsEmpty() {