diff --git a/src/system/detail/src/mgmtMeter.c b/src/system/detail/src/mgmtMeter.c
index bccf9a06c8652cecf6e0ef9b884479523358c614..2692e39131256ac718e3b4435457fba1c84b1c11 100644
--- a/src/system/detail/src/mgmtMeter.c
+++ b/src/system/detail/src/mgmtMeter.c
@@ -833,6 +833,7 @@ static void removeMeterFromMetricIndex(STabObj *pMetric, STabObj *pMeter) {
     }
   }
 
+  tSkipListDestroyKey(&key);
   if (num != 0) {
     free(pRes);
   }
diff --git a/src/system/detail/src/vnodeQueryImpl.c b/src/system/detail/src/vnodeQueryImpl.c
index 187269d30b1b374778dc5646677a2d275a3bce27..9c0d7883a5242987b46909b98f7d0081ba82fc92 100644
--- a/src/system/detail/src/vnodeQueryImpl.c
+++ b/src/system/detail/src/vnodeQueryImpl.c
@@ -3436,9 +3436,18 @@ void pointInterpSupporterSetData(SQInfo *pQInfo, SPointInterpoSupporter *pPointI
     if (pQuery->interpoType == TSDB_INTERPO_SET_VALUE) {
       for (int32_t i = 0; i < pQuery->numOfOutputCols; ++i) {
         SQLFunctionCtx *pCtx = &pRuntimeEnv->pCtx[i];
+
+        // only the function of interp needs the corresponding information
+        if (pCtx->functionId != TSDB_FUNC_INTERP) {
+            continue;
+        }
+
+        pCtx->numOfParams = 4;
+
         SInterpInfo *   pInterpInfo = (SInterpInfo *)pRuntimeEnv->pCtx[i].aOutputBuf;
 
         pInterpInfo->pInterpDetail = calloc(1, sizeof(SInterpInfoDetail));
+
         SInterpInfoDetail *pInterpDetail = pInterpInfo->pInterpDetail;
 
         // for primary timestamp column, set the flag