diff --git a/src/common/src/texpr.c b/src/common/src/texpr.c
index b9ff3d544e8ab8eb832f563b0bbef6d5b1723bdf..c5c363b77e15b2700da7a53972a64b7fbdb2b16a 100644
--- a/src/common/src/texpr.c
+++ b/src/common/src/texpr.c
@@ -1189,8 +1189,7 @@ int32_t exprValidateTimeNode(tExprNode *pExpr) {
         return TSDB_CODE_TSC_OUT_OF_MEMORY;
       }
       child->pVal->nType = TSDB_DATA_TYPE_TIMESTAMP;
-      child->pVal->i64   = taosGetTimestampMs();
-
+      child->pVal->i64   = taosGetTimestampToday() * 1000;
       pExpr->resultType  = TSDB_DATA_TYPE_TIMESTAMP;
       pExpr->resultBytes = (int16_t)tDataTypes[pExpr->resultType].bytes;
       break;