diff --git a/tencentdb/db.go b/tencentdb/db.go
index 2083191..56189c8 100644
--- a/tencentdb/db.go
+++ b/tencentdb/db.go
@@ -299,7 +299,7 @@ func GetRow(dbconn *sql.DB, dbName, table_name, alias string, titles string, joi
 	} else {
 		title = "*"
 	}
-	sql_str = StringJoin("/*slave*/ select ", title)
+	sql_str = StringJoin("select ", title)
 
 	if alias != "" {
 		table = StringJoin(table, " as ", alias)
@@ -429,7 +429,7 @@ func FetchRows(dbconn *sql.DB, dbName, table_name, alias string, titles string,
 	} else {
 		title = "*"
 	}
-	sql_str = StringJoin("/*slave*/ select ", title)
+	sql_str = StringJoin("select ", title)
 
 	if alias != "" {
 		table = StringJoin(table, " as ", alias)