diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index ab13251c648af153d4921231b492336ff0510cc3..b724ee5750a12e4b71b02afbf98e88672e2a0b0d 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -2223,7 +2223,7 @@ int32_t addExprAndResultField(SSqlCmd* pCmd, SQueryInfo* pQueryInfo, int32_t col
             bool multiColOutput = taosArrayGetSize(pItem->pNode->pParam) > 1;
             setResultColName(name, pItem, cvtFunc.originFuncId, &pParamElem->pNode->colInfo, multiColOutput);
 
-            if (setExprInfoForFunctions(pCmd, pQueryInfo, pSchema, cvtFunc, name, colIndex + i, &index, finalResult) != 0) {
+            if (setExprInfoForFunctions(pCmd, pQueryInfo, pSchema, cvtFunc, name, colIndex++, &index, finalResult) != 0) {
               return TSDB_CODE_TSC_INVALID_SQL;
             }
           }