diff --git a/source/libs/function/test/udf1.c b/source/libs/function/test/udf1.c
index 71d30b67557847dcdf451cefb20c7b144d214cf8..0dc53f006fb5cf9439511e0aca1aad1733ba4480 100644
--- a/source/libs/function/test/udf1.c
+++ b/source/libs/function/test/udf1.c
@@ -31,7 +31,7 @@ DLL_EXPORT int32_t udf1(SUdfDataBlock *block, SUdfColumn *resultCol) {
       }
     }
     if (j == block->numOfCols) {
-      int32_t luckyNum = 88;
+      int32_t luckyNum = 1;
       udfColDataSet(resultCol, i, (char *)&luckyNum, false);
     }
   }
@@ -43,4 +43,4 @@ DLL_EXPORT int32_t udf1(SUdfDataBlock *block, SUdfColumn *resultCol) {
   Sleep(1);
 #endif
   return 0;
-}
\ No newline at end of file
+}