diff --git a/source/libs/executor/src/executorimpl.c b/source/libs/executor/src/executorimpl.c
index 485471fc9e52f17491183373a80f87b43188a6c9..6da08e8e3ced82c665e8174f8e4a871e5633eb7e 100644
--- a/source/libs/executor/src/executorimpl.c
+++ b/source/libs/executor/src/executorimpl.c
@@ -5711,6 +5711,7 @@ void addToDiskbasedBuf(SOrderOperatorInfo* pInfo, jmp_buf env) {
     assert(size <= getBufPageSize(pInfo->pSortInternalBuf));
 
     blockDataToBuf(pPage->data, p);
+    releaseResBufPage(pInfo->pSortInternalBuf, pPage);
 
     blockDataDestroy(p);
     start = stop + 1;
diff --git a/source/libs/executor/test/executorTests.cpp b/source/libs/executor/test/executorTests.cpp
index c8db23c429a23996d212923eadef1e3c71ee4368..136b195ecc87e8e121e78b10f7de6e954ca7d8a3 100644
--- a/source/libs/executor/test/executorTests.cpp
+++ b/source/libs/executor/test/executorTests.cpp
@@ -262,7 +262,7 @@ TEST(testCase, external_sort_Test) {
 
   int32_t total = 1;
 
-//  while(1) {
+  while(1) {
     int64_t s = taosGetTimestampUs();
     pRes = pOperator->exec(pOperator, &newgroup);
 
@@ -270,16 +270,16 @@ TEST(testCase, external_sort_Test) {
     printf("---------------elapsed:%ld\n", e - s);
 
     if (pRes == NULL) {
-//      break;
+      break;
     }
 
-    SColumnInfoData* pCol1 = static_cast<SColumnInfoData*>(taosArrayGet(pRes->pDataBlock, 0));
-    SColumnInfoData* pCol2 = static_cast<SColumnInfoData*>(taosArrayGet(pRes->pDataBlock, 1));
-    for (int32_t i = 0; i < pRes->info.rows; ++i) {
-      char* p = colDataGet(pCol2, i);
+//    SColumnInfoData* pCol1 = static_cast<SColumnInfoData*>(taosArrayGet(pRes->pDataBlock, 0));
+//    SColumnInfoData* pCol2 = static_cast<SColumnInfoData*>(taosArrayGet(pRes->pDataBlock, 1));
+//    for (int32_t i = 0; i < pRes->info.rows; ++i) {
+//      char* p = colDataGet(pCol2, i);
 //      printf("%d: %d, %s\n", total++, ((int32_t*)pCol1->pData)[i], (char*)varDataVal(p));
-    }
-//  }
+//    }
+  }
 
   pOperator->cleanupFn(pOperator->info, 2);
   tfree(exp);