diff --git a/source/libs/scalar/src/scalar.c b/source/libs/scalar/src/scalar.c
index b3bd989eb4..bbb7e07bad 100644
--- a/source/libs/scalar/src/scalar.c
+++ b/source/libs/scalar/src/scalar.c
@@ -700,9 +700,9 @@ EDealRes sclRewriteNonConstOperator(SNode** pNode, SScalarCtx *ctx) {
 EDealRes sclRewriteFunction(SNode** pNode, SScalarCtx *ctx) {
   SFunctionNode *node = (SFunctionNode *)*pNode;
   SNode* tnode = NULL;
-  //if (!fmIsScalarFunc(node->funcId)) {
-  //  return DEAL_RES_CONTINUE;
-  //}
+  if (!fmIsScalarFunc(node->funcId)) {
+    return DEAL_RES_CONTINUE;
+  }
 
   FOREACH(tnode, node->pParameterList) {
     if (!SCL_IS_CONST_NODE(tnode)) {