diff --git a/source/libs/planner/src/planLogicCreater.c b/source/libs/planner/src/planLogicCreater.c
index 709d61b21f2c3e4f180823461fd4de68a246ca0b..0170eb7e8c66a53304157c8a389f3b1a46b00792 100644
--- a/source/libs/planner/src/planLogicCreater.c
+++ b/source/libs/planner/src/planLogicCreater.c
@@ -45,8 +45,10 @@ static void setColumnInfo(SFunctionNode* pFunc, SColumnNode* pCol, bool isPartit
     case FUNCTION_TYPE_TBNAME:
       pCol->colType = COLUMN_TYPE_TBNAME;
       SValueNode* pVal = (SValueNode*)nodesListGetNode(pFunc->pParameterList, 0);
-      strcpy(pCol->tableName, pVal->literal);
-      strcpy(pCol->tableAlias, pVal->literal);
+      if (pVal) {
+        strcpy(pCol->tableName, pVal->literal);
+        strcpy(pCol->tableAlias, pVal->literal);
+      }
       break;
     case FUNCTION_TYPE_WSTART:
       if (!isPartitionBy) {