修复

migrations/000206_fix_polling_concurrency_task_configs.down.sql

@@ -0,0 +1,7 @@
+-- 回滚至旧的四项配置集合。
+DELETE FROM tb_polling_concurrency_config
+WHERE task_type IN ('protect', 'card_status');
+
+INSERT INTO tb_polling_concurrency_config (task_type, max_concurrency, description)
+VALUES ('stop_start', 50, '停复机检查最大并发数')
+ON CONFLICT (task_type) DO NOTHING;