diff --git a/source/libs/executor/inc/executorimpl.h b/source/libs/executor/inc/executorimpl.h
index cd9f29978d644755f39adf2c44fdf6c5a9da57ff..94361554d09ba4cc61f95234d9adc6ed91a5f44d 100644
--- a/source/libs/executor/inc/executorimpl.h
+++ b/source/libs/executor/inc/executorimpl.h
@@ -265,6 +265,7 @@ typedef struct SExchangeInfo {
   SLoadRemoteDataInfo loadInfo;
   uint64_t            self;
   SLimitInfo          limitInfo;
+  int64_t             openedTs;         // start exec time stamp
 } SExchangeInfo;
 
 typedef struct SScanInfo {
diff --git a/source/libs/executor/src/executorimpl.c b/source/libs/executor/src/executorimpl.c
index b7c3eed069e3d1c339a01fcd55e7c20c43a8f97c..00733fa21f85bb0b9eeaef0b22145f8e5559b479 100644
--- a/source/libs/executor/src/executorimpl.c
+++ b/source/libs/executor/src/executorimpl.c
@@ -1847,40 +1847,41 @@ static void* setAllSourcesCompleted(SOperatorInfo* pOperator, int64_t startTs) {
   return NULL;
 }
 
-static void concurrentlyLoadRemoteDataImpl(SOperatorInfo* pOperator, SExchangeInfo* pExchangeInfo,
-                                           SExecTaskInfo* pTaskInfo) {
-  int32_t code = 0;
-  int64_t startTs = taosGetTimestampUs();
-  size_t  totalSources = taosArrayGetSize(pExchangeInfo->pSources);
+
+static int32_t getCompletedSources(const SArray* pArray) {
+  size_t total = taosArrayGetSize(pArray);
 
   int32_t completed = 0;
-  for (int32_t k = 0; k < totalSources; ++k) {
-    SSourceDataInfo* p = taosArrayGet(pExchangeInfo->pSourceDataInfo, k);
+  for (int32_t k = 0; k < total; ++k) {
+    SSourceDataInfo* p = taosArrayGet(pArray, k);
     if (p->status == EX_SOURCE_DATA_EXHAUSTED) {
       completed += 1;
     }
   }
 
+  return completed;
+}
+
+static void concurrentlyLoadRemoteDataImpl(SOperatorInfo* pOperator, SExchangeInfo* pExchangeInfo,
+                                           SExecTaskInfo* pTaskInfo) {
+  int32_t code = 0;
+  size_t  totalSources = taosArrayGetSize(pExchangeInfo->pSourceDataInfo);
+  int32_t completed = getCompletedSources(pExchangeInfo->pSourceDataInfo);
   if (completed == totalSources) {
-    setAllSourcesCompleted(pOperator, startTs);
+    setAllSourcesCompleted(pOperator, pExchangeInfo->openedTs);
     return;
   }
 
   while (1) {
-//    printf("1\n");
     tsem_wait(&pExchangeInfo->ready);
-//    printf("2\n");
 
     for (int32_t i = 0; i < totalSources; ++i) {
       SSourceDataInfo* pDataInfo = taosArrayGet(pExchangeInfo->pSourceDataInfo, i);
       if (pDataInfo->status == EX_SOURCE_DATA_EXHAUSTED) {
-//        printf("========:%d is completed\n", i);
         continue;
       }
 
-//      printf("index:%d -  status:%d\n", i, pDataInfo->status);
       if (pDataInfo->status != EX_SOURCE_DATA_READY) {
-//        printf("-----------%d, status:%d, continue\n", i, pDataInfo->status);
         continue;
       }
 
@@ -1896,27 +1897,18 @@ static void concurrentlyLoadRemoteDataImpl(SOperatorInfo* pOperator, SExchangeIn
       SLoadRemoteDataInfo* pLoadInfo = &pExchangeInfo->loadInfo;
       if (pRsp->numOfRows == 0) {
         pDataInfo->status = EX_SOURCE_DATA_EXHAUSTED;
-//        printf("%d completed, try next\n", i);
-
         qDebug("%s vgId:%d, taskId:0x%" PRIx64 " execId:%d index:%d completed, rowsOfSource:%" PRIu64
-                   ", totalRows:%" PRIu64 ", completed:%d try next %d/%" PRIzu,
+               ", totalRows:%" PRIu64 ", try next %d/%" PRIzu,
                GET_TASKID(pTaskInfo), pSource->addr.nodeId, pSource->taskId, pSource->execId, i, pDataInfo->totalRows,
-               pExchangeInfo->loadInfo.totalRows, completed, i + 1, totalSources);
+               pExchangeInfo->loadInfo.totalRows, i + 1, totalSources);
         taosMemoryFreeClear(pDataInfo->pRsp);
-
-//        if (completed == totalSources) {
-//          return;
-//        } else {
-//          break;
-//        }
-         break;
+        break;
       }
 
       SRetrieveTableRsp* pRetrieveRsp = pDataInfo->pRsp;
       int32_t            index = 0;
       char*              pStart = pRetrieveRsp->data;
       while (index++ < pRetrieveRsp->numOfBlocks) {
-        printf("results, numOfBLock: %d\n", pRetrieveRsp->numOfBlocks);
         SSDataBlock* pb = createOneDataBlock(pExchangeInfo->pDummyBlock, false);
         code = extractDataBlockFromFetchRsp(pb, pStart, NULL, &pStart);
         if (code != 0) {
@@ -1927,25 +1919,16 @@ static void concurrentlyLoadRemoteDataImpl(SOperatorInfo* pOperator, SExchangeIn
         taosArrayPush(pExchangeInfo->pResultBlockList, &pb);
       }
 
-      updateLoadRemoteInfo(pLoadInfo, pRetrieveRsp->numOfRows, pRetrieveRsp->compLen, startTs, pOperator);
+      updateLoadRemoteInfo(pLoadInfo, pRetrieveRsp->numOfRows, pRetrieveRsp->compLen, pExchangeInfo->openedTs, pOperator);
 
-//      int32_t completed = 0;
       if (pRsp->completed == 1) {
         pDataInfo->status = EX_SOURCE_DATA_EXHAUSTED;
-
-//        for (int32_t k = 0; k < totalSources; ++k) {
-//          SSourceDataInfo* p = taosArrayGet(pExchangeInfo->pSourceDataInfo, k);
-//          if (p->status == EX_SOURCE_DATA_EXHAUSTED) {
-//            completed += 1;
-//          }
-//        }
-
         qDebug("%s fetch msg rsp from vgId:%d, taskId:0x%" PRIx64
                " execId:%d index:%d completed, blocks:%d, numOfRows:%d, rowsOfSource:%" PRIu64 ", totalRows:%" PRIu64
-               ", total:%.2f Kb, completed:%d try next %d/%" PRIzu,
+               ", total:%.2f Kb, try next %d/%" PRIzu,
                GET_TASKID(pTaskInfo), pSource->addr.nodeId, pSource->taskId, pSource->execId, i, pRsp->numOfBlocks,
                pRsp->numOfRows, pDataInfo->totalRows, pLoadInfo->totalRows, pLoadInfo->totalSize / 1024.0,
-               completed, i + 1, totalSources);
+               i + 1, totalSources);
       } else {
         qDebug("%s fetch msg rsp from vgId:%d, taskId:0x%" PRIx64
                " execId:%d blocks:%d, numOfRows:%d, totalRows:%" PRIu64 ", total:%.2f Kb",
@@ -1963,23 +1946,12 @@ static void concurrentlyLoadRemoteDataImpl(SOperatorInfo* pOperator, SExchangeIn
           goto _error;
         }
       }
-
-//      if (completed == totalSources) {
-//        setAllSourcesCompleted(pOperator, startTs);
-//      }
-
       return;
-    }
-
-    int32_t completed = 0;
-    for (int32_t k = 0; k < totalSources; ++k) {
-      SSourceDataInfo* p = taosArrayGet(pExchangeInfo->pSourceDataInfo, k);
-      if (p->status == EX_SOURCE_DATA_EXHAUSTED) {
-        completed += 1;
-      }
-    }
+    }  // end loop
 
-    if (completed == totalSources) {
+    int32_t complete1 = getCompletedSources(pExchangeInfo->pSourceDataInfo);
+    if (complete1 == totalSources) {
+      qDebug("all sources are completed, %s", GET_TASKID(pTaskInfo));
       return;
     }
   }
@@ -2098,6 +2070,7 @@ static int32_t prepareLoadRemoteData(SOperatorInfo* pOperator) {
     if (code != TSDB_CODE_SUCCESS) {
       return code;
     }
+    pExchangeInfo->openedTs = taosGetTimestampUs();
   }
 
   OPTR_SET_OPENED(pOperator);