diff --git a/TODO b/TODO
index e86f7627e..1f60f6537 100644
--- a/TODO
+++ b/TODO
@@ -11,7 +11,6 @@ Cookie&Session数据池化处理；
 ghttp.Client增加proxy特性；
 gtime增加对时区转换的封装，并简化失去转换时对类似+80500时区的支持；
 orm增加sqlite对Save方法的支持(去掉触发器语句);
-ghttp.Server的Cookie及Session锁机制优化(去掉map锁机制);
 ghttp.Server增加Ip访问控制功能(DenyIps&AllowIps)；
 ghttp路由功能增加分组路由特性；
 解决glog串日志情况；
@@ -63,4 +62,5 @@ DONE:
 36. gcache检查在i386下的int64->int转换问题；
 37. ghttp获取参数支持直接转struct功能；
 38. gfsnotify增加对于目录的监控；
-39. 检查windows下的平滑重启失效问题；
\ No newline at end of file
+39. 检查windows下的平滑重启失效问题；
+40. ghttp.Server的Cookie及Session锁机制优化(去掉map锁机制);
\ No newline at end of file
diff --git a/g/database/gdb/gdb_base.go b/g/database/gdb/gdb_base.go
index 7270e4c60..5feeab3f3 100644
--- a/g/database/gdb/gdb_base.go
+++ b/g/database/gdb/gdb_base.go
@@ -18,6 +18,7 @@ import (
     "gitee.com/johng/gf/g/container/gring"
     "gitee.com/johng/gf/g/os/gtime"
     "time"
+    "gitee.com/johng/gf/g/os/glog"
 )
 
 const (
@@ -64,6 +65,22 @@ func (db *Db) PrintQueriedSqls() {
     }
 }
 
+// 打印SQL对象(仅在debug=true时有效)
+func (db *Db) printSql(v *Sql) {
+    s := fmt.Sprintf("%s, %v, %s, %s, %d ms, %s", v.Sql, v.Args,
+        gtime.NewFromTimeStamp(v.Start).Format("Y-m-d H:i:s.u"),
+        gtime.NewFromTimeStamp(v.End).Format("Y-m-d H:i:s.u"),
+        v.End - v.Start, v.Func,
+    )
+    if v.Error != nil {
+        s += "\nError: " + v.Error.Error()
+        glog.Error(s)
+    } else {
+        glog.Debug(s)
+    }
+
+}
+
 // 关闭链接
 func (db *Db) Close() error {
     if db.master != nil {
@@ -92,14 +109,16 @@ func (db *Db) Query(query string, args ...interface{}) (*sql.Rows, error) {
         militime1 := gtime.Millisecond()
         rows, err  = db.slave.Query(*p, args ...)
         militime2 := gtime.Millisecond()
-        db.sqls.Put(&Sql{
+        s := &Sql{
             Sql   : *p,
             Args  : args,
             Error : err,
             Start : militime1,
             End   : militime2,
             Func  : "DB:Query",
-        })
+        }
+        db.sqls.Put(s)
+        db.printSql(s)
     } else {
         rows, err = db.slave.Query(*p, args ...)
     }
@@ -120,14 +139,16 @@ func (db *Db) Exec(query string, args ...interface{}) (sql.Result, error) {
         militime1  := gtime.Millisecond()
         result, err = db.master.Exec(*p, args ...)
         militime2  := gtime.Millisecond()
-        db.sqls.Put(&Sql{
+        s := &Sql{
             Sql   : *p,
             Args  : args,
             Error : err,
             Start : militime1,
             End   : militime2,
             Func  : "DB:Exec",
-        })
+        }
+        db.sqls.Put(s)
+        db.printSql(s)
     } else {
         result, err = db.master.Exec(*p, args ...)
     }
diff --git a/g/database/gdb/gdb_transaction.go b/g/database/gdb/gdb_transaction.go
index 86d51d7dd..e911ce684 100644
--- a/g/database/gdb/gdb_transaction.go
+++ b/g/database/gdb/gdb_transaction.go
@@ -42,14 +42,16 @@ func (tx *Tx) Query(query string, args ...interface{}) (*sql.Rows, error) {
         militime1 := gtime.Millisecond()
         rows, err  = tx.tx.Query(*p, args ...)
         militime2 := gtime.Millisecond()
-        tx.db.sqls.Put(&Sql{
+        s := &Sql{
             Sql   : *p,
             Args  : args,
             Error : err,
             Start : militime1,
             End   : militime2,
             Func  : "TX:Query",
-        })
+        }
+        tx.db.sqls.Put(s)
+        tx.db.printSql(s)
     } else {
         rows, err  = tx.tx.Query(*p, args ...)
     }
@@ -70,14 +72,16 @@ func (tx *Tx) Exec(query string, args ...interface{}) (sql.Result, error) {
         militime1  := gtime.Millisecond()
         result, err = tx.tx.Exec(*p, args ...)
         militime2  := gtime.Millisecond()
-        tx.db.sqls.Put(&Sql{
+        s := &Sql{
             Sql   : *p,
             Args  : args,
             Error : err,
             Start : militime1,
             End   : militime2,
             Func  : "TX:Exec",
-        })
+        }
+        tx.db.sqls.Put(s)
+        tx.db.printSql(s)
     } else {
         result, err = tx.tx.Exec(*p, args ...)
     }
diff --git a/g/net/ghttp/ghttp_server.go b/g/net/ghttp/ghttp_server.go
index db92fd7ef..b2052fadc 100644
--- a/g/net/ghttp/ghttp_server.go
+++ b/g/net/ghttp/ghttp_server.go
@@ -204,8 +204,8 @@ func GetServer(name...interface{}) (*Server) {
         nameToUriType    : gtype.NewInt(),
         gzipMimesMap     : make(map[string]struct{}),
     }
-    s.errorLogger.SetBacktraceSkip(4)
-    s.accessLogger.SetBacktraceSkip(4)
+    s.errorLogger.SetBacktraceSkip(1)
+    s.accessLogger.SetBacktraceSkip(1)
     // 设置路由解析缓存上限，使用LRU进行缓存淘汰
     s.serveCache.SetCap(gSERVE_CACHE_LRU_SIZE)
     s.hooksCache.SetCap(gHOOKS_CACHE_LRU_SIZE)
diff --git a/g/os/glog/glog.go b/g/os/glog/glog.go
index 5f7416074..c6f2cf8c7 100644
--- a/g/os/glog/glog.go
+++ b/g/os/glog/glog.go
@@ -39,7 +39,7 @@ func New() *Logger {
         io       : nil,
         path     : gtype.NewString(),
         debug    : gtype.NewBool(true),
-        btSkip   : gtype.NewInt(3),
+        btSkip   : gtype.NewInt(),
         stdprint : gtype.NewBool(true),
     }
 }
@@ -64,6 +64,24 @@ func Cat(category string) *Logger {
     return logger.Cat(category)
 }
 
+// 打印文件调用回溯信息
+func PrintBacktrace(skip...int) {
+    customSkip := 1
+    if len(skip) > 0 {
+        customSkip += skip[0]
+    }
+    logger.PrintBacktrace(customSkip)
+}
+
+// 获取文件调用回溯信息
+func GetBacktrace(skip...int) string {
+    customSkip := 1
+    if len(skip) > 0 {
+        customSkip += skip[0]
+    }
+    return logger.GetBacktrace(customSkip)
+}
+
 // 设置写日志的同时开启or关闭控制台打印，默认是关闭的
 // @author zseeker
 // @date   2018-05-24
diff --git a/g/os/glog/glog_logger.go b/g/os/glog/glog_logger.go
index fce0a3b89..fe0629e0b 100644
--- a/g/os/glog/glog_logger.go
+++ b/g/os/glog/glog_logger.go
@@ -167,7 +167,7 @@ func (l *Logger) stdPrint(s string) {
 // 核心打印数据方法(标准错误)
 func (l *Logger) errPrint(s string) {
     // 记录调用回溯信息
-    backtrace := l.backtrace()
+    backtrace := l.GetBacktrace(3)
     if s[len(s) - 1] == byte('\n') {
         s = s + backtrace + ln
     } else {
@@ -176,15 +176,28 @@ func (l *Logger) errPrint(s string) {
     l.print(os.Stderr, s)
 }
 
-// 调用回溯字符串
-func (l *Logger) backtrace() string {
-    backtrace := "Trace:" + ln
+// 直接打印回溯信息，参数skip表示调用端往上多少级开始回溯
+func (l *Logger) PrintBacktrace(skip...int) {
+    customSkip := 1
+    if len(skip) > 0 {
+        customSkip += skip[0]
+    }
+    l.Println(l.GetBacktrace(customSkip))
+}
+
+// 获取文件调用回溯字符串，参数skip表示调用端往上多少级开始回溯
+func (l *Logger) GetBacktrace(skip...int) string {
+    customSkip := 0
+    if len(skip) > 0 {
+        customSkip += skip[0]
+    }
+    backtrace := ""
     index     := 1
     for i := 1; i < 10000; i++ {
-        if _, cfile, cline, ok := runtime.Caller(i + l.btSkip.Val()); ok {
+        if _, cfile, cline, ok := runtime.Caller(customSkip + i + l.btSkip.Val()); ok {
             // 不打印出go源码路径
             if !gregex.IsMatchString("^" + gfile.GoRootOfBuild(), cfile) {
-                backtrace += strconv.Itoa(index) + ". " + cfile + ":" + strconv.Itoa(cline) + ln
+                backtrace += strconv.Itoa(index) + ".\t" + cfile + ":" + strconv.Itoa(cline) + ln
                 index++
             }
         } else {
diff --git a/geg/database/orm/mysql/gdb_debug.go b/geg/database/orm/mysql/gdb_debug.go
index 75a8af5c3..e7f8a364e 100644
--- a/geg/database/orm/mysql/gdb_debug.go
+++ b/geg/database/orm/mysql/gdb_debug.go
@@ -10,7 +10,7 @@ func main() {
         Host:    "127.0.0.1",
         Port:    "3306",
         User:    "root",
-        Pass:    "123456",
+        Pass:    "8692651",
         Name:    "test",
         Type:    "mysql",
         Role:    "master",
@@ -31,5 +31,5 @@ func main() {
 
     db.Table("user").Data(g.Map{"name":"smith"}).Where("uid=?", 1).Save()
 
-    db.PrintQueriedSqls()
+    //db.PrintQueriedSqls()
 }
\ No newline at end of file
diff --git a/geg/os/glog/glog_backtrace.go b/geg/os/glog/glog_backtrace.go
new file mode 100644
index 000000000..355de8e86
--- /dev/null
+++ b/geg/os/glog/glog_backtrace.go
@@ -0,0 +1,17 @@
+package main
+
+import (
+    "gitee.com/johng/gf/g/os/glog"
+    "fmt"
+)
+
+func main() {
+
+    glog.PrintBacktrace()
+    glog.New().PrintBacktrace()
+
+    fmt.Println(glog.GetBacktrace())
+    fmt.Println(glog.New().GetBacktrace())
+}
+
+