diff --git a/database/gdb/gdb_driver_mssql.go b/database/gdb/gdb_driver_mssql.go
index 520582156..59f12426a 100644
--- a/database/gdb/gdb_driver_mssql.go
+++ b/database/gdb/gdb_driver_mssql.go
@@ -64,10 +64,10 @@ func (d *DriverMssql) GetChars() (charLeft string, charRight string) {
 // HandleSqlBeforeCommit deals with the sql string before commits it to underlying sql driver.
 func (d *DriverMssql) HandleSqlBeforeCommit(link Link, sql string, args []interface{}) (string, []interface{}) {
 	var index int
-	// Convert place holder char '?' to string "@vx".
+	// Convert place holder char '?' to string "@px".
 	str, _ := gregex.ReplaceStringFunc("\\?", sql, func(s string) string {
 		index++
-		return fmt.Sprintf("@v%d", index)
+		return fmt.Sprintf("@p%d", index)
 	})
 	str, _ = gregex.ReplaceString("\"", "", str)
 	return d.parseSql(str), args
diff --git a/database/gdb/gdb_func.go b/database/gdb/gdb_func.go
index e30508a2c..206bad1e3 100644
--- a/database/gdb/gdb_func.go
+++ b/database/gdb/gdb_func.go
@@ -553,7 +553,7 @@ func formatError(err error, sql string, args ...interface{}) error {
 func FormatSqlWithArgs(sql string, args []interface{}) string {
 	index := -1
 	newQuery, _ := gregex.ReplaceStringFunc(
-		`(\?|:v\d+|\$\d+|@v\d+)`, sql, func(s string) string {
+		`(\?|:v\d+|\$\d+|@p\d+)`, sql, func(s string) string {
 			index++
 			if len(args) > index {
 				if args[index] == nil {
diff --git a/database/gdb/gdb_z_mysql_internal_test.go b/database/gdb/gdb_z_mysql_internal_test.go
index 251a61a6d..b010bb3db 100644
--- a/database/gdb/gdb_z_mysql_internal_test.go
+++ b/database/gdb/gdb_z_mysql_internal_test.go
@@ -75,7 +75,7 @@ func Test_Func_FormatSqlWithArgs(t *testing.T) {
 	// mssql
 	gtest.C(t, func(t *gtest.T) {
 		var s string
-		s = FormatSqlWithArgs("select * from table where id>=@v1 and sex=@v2", []interface{}{100, 1})
+		s = FormatSqlWithArgs("select * from table where id>=@p1 and sex=@p2", []interface{}{100, 1})
 		t.Assert(s, "select * from table where id>=100 and sex=1")
 	})
 	// pgsql
diff --git a/os/glog/glog_logger.go b/os/glog/glog_logger.go
index 6178c22d8..68a449851 100644
--- a/os/glog/glog_logger.go
+++ b/os/glog/glog_logger.go
@@ -229,22 +229,23 @@ func (l *Logger) printToFile(now time.Time, buffer *bytes.Buffer) {
 	gmlock.Lock(memoryLockKey)
 	defer gmlock.Unlock(memoryLockKey)
 	file := l.getFilePointer(logFilePath)
-	defer file.Close()
 	// Rotation file size checks.
 	if l.config.RotateSize > 0 {
 		stat, err := file.Stat()
 		if err != nil {
+			file.Close()
 			panic(err)
 		}
 		if stat.Size() > l.config.RotateSize {
 			l.rotateFileBySize(now)
 			file = l.getFilePointer(logFilePath)
-			defer file.Close()
 		}
 	}
 	if _, err := file.Write(buffer.Bytes()); err != nil {
+		file.Close()
 		panic(err)
 	}
+	file.Close()
 }
 
 // getFilePointer retrieves and returns a file pointer from file pool.