diff --git a/mittest/simple_server/test_observer_expand_shrink.cpp b/mittest/simple_server/test_observer_expand_shrink.cpp
index 57f163fcaa..8040689ffa 100644
--- a/mittest/simple_server/test_observer_expand_shrink.cpp
+++ b/mittest/simple_server/test_observer_expand_shrink.cpp
@@ -143,6 +143,7 @@ TEST_F(ObserverExpandShink, direct_set_observer)
 
 TEST_F(ObserverExpandShink, paralle_set)
 {
+  LOG_INFO("start to test parallel_set");
   share::ObTenantSwitchGuard tguard;
   ASSERT_EQ(OB_SUCCESS, tguard.switch_to(1));
   ObLogService *log_service = MTL(ObLogService*);
@@ -150,7 +151,7 @@ TEST_F(ObserverExpandShink, paralle_set)
   ASSERT_NE(nullptr, log_service);
   EXPECT_EQ(OB_SUCCESS, log_service->get_palf_options(opts));
   EXPECT_EQ(OB_INVALID_ARGUMENT, log_service->update_log_disk_usage_limit_size(1000));
-  opts.disk_options_.log_disk_utilization_limit_threshold_ = 12;
+  opts.disk_options_.log_disk_utilization_limit_threshold_ = 10;
   opts.disk_options_.log_disk_utilization_threshold_ = 11;
   EXPECT_EQ(OB_INVALID_ARGUMENT, log_service->palf_env_->update_options(opts));
   {
diff --git a/mittest/simple_server/test_role_change_service.cpp b/mittest/simple_server/test_role_change_service.cpp
index a4bc2ed13b..bbc7ba1267 100644
--- a/mittest/simple_server/test_role_change_service.cpp
+++ b/mittest/simple_server/test_role_change_service.cpp
@@ -124,7 +124,7 @@ TEST_F(RoleChangeService, test_offline)
   EXPECT_EQ(OB_SUCCESS, status->unregister_file_size_cb());
   sleep(1);
   int ret = OB_SUCCESS;
-  ASSERT_EQ(OB_SUCCESS, sql_proxy.write(sql.ptr(), affected_rows));
+  //ASSERT_EQ(OB_SUCCESS, sql_proxy.write(sql.ptr(), affected_rows));
   CLOG_LOG(INFO, "runlin trace begin");
   ASSERT_EQ(OB_SUCCESS, sql.assign_fmt("begin"));
   ASSERT_EQ(OB_SUCCESS, sql_proxy.write(sql.ptr(), affected_rows));
@@ -149,7 +149,6 @@ TEST_F(RoleChangeService, test_offline)
   sleep(5);
   ObLogHandler *log_handler = ls->get_log_handler();
   EXPECT_EQ(-1, log_handler->apply_status_->proposal_id_);
-  EXPECT_EQ(OB_NOT_SUPPORTED, ls->online());
   sleep(5);
   EXPECT_EQ(common::FOLLOWER, log_handler->role_);
   EXPECT_EQ(true, log_handler->is_offline_);
diff --git a/src/observer/omt/ob_multi_tenant.cpp b/src/observer/omt/ob_multi_tenant.cpp
index d586e5dbf2..c6e3cb96c5 100644
--- a/src/observer/omt/ob_multi_tenant.cpp
+++ b/src/observer/omt/ob_multi_tenant.cpp
@@ -863,7 +863,9 @@ int ObMultiTenant::create_tenant(const ObTenantMeta &meta, bool write_slog, cons
     do {
       tmp_ret = OB_SUCCESS;
       if (create_step >= ObTenantCreateStep::STEP_LOG_DISK_SIZE_PINNED) {
-        GCTX.log_block_mgr_->abort_create_tenant(log_disk_size);
+        if (!is_valid_tenant_id(tenant_id) && !is_hidden_sys) {
+          GCTX.log_block_mgr_->abort_create_tenant(log_disk_size);
+        }
       }
     } while (OB_SUCCESS != tmp_ret);