diff --git a/src/rootserver/ob_root_backup.cpp b/src/rootserver/ob_root_backup.cpp
index be70a8c0ec879931e4cc750818600fbd87bdd409..52ae050775de32dec4674ca3b0360c4b1ac22f11 100644
--- a/src/rootserver/ob_root_backup.cpp
+++ b/src/rootserver/ob_root_backup.cpp
@@ -2548,6 +2548,10 @@ int ObRootBackup::check_tenant_can_backup(const uint64_t tenant_id, ObSchemaGett
     LOG_WARN("failed to get tenant info", K(ret), K(tenant_id));
   } else if (tenant_schema->is_restore()) {
     can_backup = false;
+    LOG_WARN("tenant is doing restore", K(tenant_id));
+  } else if (tenant_schema->is_dropping()) {
+    can_backup = false;
+    LOG_WARN("tenant is dropping", K(tenant_id));
   }
   return ret;
 }
diff --git a/src/share/ob_debug_sync_point.h b/src/share/ob_debug_sync_point.h
index e82f41ae4eacd93ba1e233dc9a0e8e3d59bfc263..1f2a35a04e419f99b3e28abbbdba40a0f0152b2b 100644
--- a/src/share/ob_debug_sync_point.h
+++ b/src/share/ob_debug_sync_point.h
@@ -210,6 +210,7 @@ class ObString;
   ACT(BEFORE_PHYSICAL_RESTORE_REBUILD_INDEX, )                     \
   ACT(BEFORE_PHYSICAL_RESTORE_POST_CHECK, )                        \
   ACT(BACKUP_BEFROE_CHOOSE_SRC, )                                  \
+  ACT(BACKUP_BEFROE_BUILD_TABLE_PARTITION_INFO,)                   \
   ACT(HANG_UPDATE_RS_LIST, )                                       \
   ACT(PARTITION_BACKUP_TASK_BEFORE_ADD_TASK_IN_MGR, )              \
   ACT(HANG_BEFORE_RESOLVER_FINISH, )                               \
diff --git a/src/storage/ob_partition_backup.cpp b/src/storage/ob_partition_backup.cpp
index ddada70cea0f8fbfa00cc278324d547144fd3a77..48fe6cc4d634681ee80a817a816a48f8a0986afb 100644
--- a/src/storage/ob_partition_backup.cpp
+++ b/src/storage/ob_partition_backup.cpp
@@ -1541,6 +1541,8 @@ int ObBackupPrepareTask::build_table_partition_info(
   ObArray<uint64_t> table_id_list;
   ObPGPartitionMetaInfo partition_meta_info;
 
+  DEBUG_SYNC(BACKUP_BEFROE_BUILD_TABLE_PARTITION_INFO);
+
   if (OB_UNLIKELY(!is_inited_)) {
     ret = OB_NOT_INIT;
     LOG_WARN("migrate prepare task do not init", K(ret));
@@ -1572,6 +1574,7 @@ int ObBackupPrepareTask::build_table_partition_info(
       }
     }
   }
+
   return ret;
 }
 
diff --git a/src/storage/ob_partition_service.cpp b/src/storage/ob_partition_service.cpp
index 6676e88ae53e83ba034e19692d5f3fc57e6b425e..5236b4a698d6d78b1a387c63f174da89d28faee0 100644
--- a/src/storage/ob_partition_service.cpp
+++ b/src/storage/ob_partition_service.cpp
@@ -6037,17 +6037,7 @@ int ObPartitionService::backup_replica_batch(const obrpc::ObBackupBatchArg& arg)
       replica_op_arg.cluster_id_ = GCONF.cluster_id;
       replica_op_arg.type_ = type;
       replica_op_arg.switch_epoch_ = single_arg.switch_epoch_;
-      ObIPartitionGroupGuard guard;
-      ObIPartitionGroup* partition = NULL;
-      if (OB_FAIL(get_partition(single_arg.key_, guard))) {
-        STORAGE_LOG(WARN, "get partition failed", K(single_arg), K(ret));
-      } else if (OB_ISNULL(guard.get_partition_group())) {
-        ret = OB_ENTRY_NOT_EXIST;
-        STORAGE_LOG(WARN, "partition not exist, maybe migrate out", K(single_arg), K(ret));
-      } else if (OB_ISNULL(partition = guard.get_partition_group())) {
-        ret = OB_ERR_UNEXPECTED;
-        STORAGE_LOG(WARN, "partition should not be NULL", K(ret), K(single_arg));
-      } else if (OB_FAIL(task_list.push_back(replica_op_arg))) {
+      if (OB_FAIL(task_list.push_back(replica_op_arg))) {
         LOG_WARN("failed to push replica op arg into array", K(ret), K(replica_op_arg));
       }
     }