diff --git a/statement.go b/statement.go
index a0976516..6cdbad7d 100644
--- a/statement.go
+++ b/statement.go
@@ -695,7 +695,7 @@ func (statement *Statement) OrderBy(order string) *Statement {
 
 // Desc generate `ORDER BY xx DESC`
 func (statement *Statement) Desc(colNames ...string) *Statement {
-	var buf builder.StringBuilder
+	var buf strings.Builder
 	if len(statement.OrderStr) > 0 {
 		fmt.Fprint(&buf, statement.OrderStr, ", ")
 	}
@@ -707,7 +707,7 @@ func (statement *Statement) Desc(colNames ...string) *Statement {
 
 // Asc provide asc order by query condition, the input parameters are columns.
 func (statement *Statement) Asc(colNames ...string) *Statement {
-	var buf builder.StringBuilder
+	var buf strings.Builder
 	if len(statement.OrderStr) > 0 {
 		fmt.Fprint(&buf, statement.OrderStr, ", ")
 	}
@@ -736,7 +736,7 @@ func (statement *Statement) Table(tableNameOrBean interface{}) *Statement {
 
 // Join The joinOP should be one of INNER, LEFT OUTER, CROSS etc - this will be prepended to JOIN
 func (statement *Statement) Join(joinOP string, tablename interface{}, condition string, args ...interface{}) *Statement {
-	var buf builder.StringBuilder
+	var buf strings.Builder
 	if len(statement.JoinStr) > 0 {
 		fmt.Fprintf(&buf, "%v %v JOIN ", statement.JoinStr, joinOP)
 	} else {
@@ -1118,7 +1118,7 @@ func (statement *Statement) genSelectSQL(columnStr, condSQL string, needLimit, n
 		}
 	}
 
-	var buf builder.StringBuilder
+	var buf strings.Builder
 	fmt.Fprintf(&buf, "SELECT %v%v%v%v%v", distinct, top, columnStr, fromStr, whereStr)
 	if len(mssqlCondi) > 0 {
 		if len(whereStr) > 0 {