diff --git a/src/observer/table_load/ob_table_load_mem_compactor.cpp b/src/observer/table_load/ob_table_load_mem_compactor.cpp
index b921e9abef..de5360188a 100644
--- a/src/observer/table_load/ob_table_load_mem_compactor.cpp
+++ b/src/observer/table_load/ob_table_load_mem_compactor.cpp
@@ -575,9 +575,6 @@ int ObTableLoadMemCompactor::finish()
       LOG_WARN("fail to start parallel merge", KR(ret));
     }
   }
-  if (OB_SUCC(ret)) {
-    mem_ctx_.reset(); // mem_ctx的tables已经copy，需要提前释放
-  }
   return ret;
 }
 
@@ -608,6 +605,9 @@ int ObTableLoadMemCompactor::build_result_for_heap_table()
       }
     }
   }
+  if (OB_SUCC(ret)) {
+    mem_ctx_.reset();
+  }
   return ret;
 }
 
@@ -625,6 +625,9 @@ int ObTableLoadMemCompactor::add_table_to_parallel_merge_ctx()
       LOG_WARN("fail to add tablet sstable", KR(ret));
     }
   }
+  if (OB_SUCC(ret)) {
+    mem_ctx_.reset(); // mem_ctx的tables已经copy，需要提前释放
+  }
   return ret;
 }
 
diff --git a/src/observer/table_load/ob_table_load_multiple_heap_table_compactor.cpp b/src/observer/table_load/ob_table_load_multiple_heap_table_compactor.cpp
index 1aa30b4ac0..697e16df3a 100644
--- a/src/observer/table_load/ob_table_load_multiple_heap_table_compactor.cpp
+++ b/src/observer/table_load/ob_table_load_multiple_heap_table_compactor.cpp
@@ -496,9 +496,6 @@ int ObTableLoadMultipleHeapTableCompactor::finish()
   } else if (OB_FAIL(compact_ctx_->handle_table_compact_success())) {
     LOG_WARN("fail to handle_table_compact_success", KR(ret));
   }
-  if (OB_SUCC(ret)) {
-    mem_ctx_.reset(); // mem_ctx的tables已经copy，需要提前释放
-  }
   return ret;
 }
 
@@ -529,6 +526,9 @@ int ObTableLoadMultipleHeapTableCompactor::build_result_for_heap_table()
       }
     }
   }
+  if (OB_SUCC(ret)) {
+    mem_ctx_.reset(); // mem_ctx的tables已经copy，需要提前释放
+  }
   return ret;
 }