SQLSTATE[HY000] [2002] Connection refused

Call Stack

1. in Connection.php line 528
2. at PDO->__construct('mysql:host=localhost...', 'zw_zt', 'tspBarwWE7HaywdM', [0, 2, 0, ...]) in Connection.php line 528
3. at Connection->connect() in Connection.php line 2022
4. at Connection->initConnect(false) in Connection.php line 644
5. at Connection->query('SHOW COLUMNS FROM `t...', [], false, true) in Mysql.php line 90
6. at Mysql->getFields('tp_banner_position') in Connection.php line 377
7. at Connection->getTableInfo('tp_banner_position', 'pk') in Connection.php line 414
8. at Connection->getPk('tp_banner_position') in Query.php line 2452
9. at Query->getPk(['where' => ['AND' => [['id', '=', '39']]], 'field' => ['ad_cate', 'name'], 'table' => 'tp_banner_position', ...]) in Connection.php line 793
10. at Connection->find(object(Query)) in Query.php line 3130
11. at Query->find() in Ad.php line 22
12. at Ad->position()
13. at ReflectionMethod->invokeArgs(object(Ad), []) in Container.php line 395
14. at Container->invokeReflectMethod(object(Ad), object(ReflectionMethod), ['posid' => '39']) in Module.php line 132
15. at Module->think\route\dispatch\{closure}(object(Request), object(Closure), null)
16. at call_user_func_array(object(Closure), [object(Request), object(Closure), null]) in Middleware.php line 185
17. at Middleware->think\{closure}(object(Request))
18. at call_user_func(object(Closure), object(Request)) in Middleware.php line 130
19. at Middleware->dispatch(object(Request), 'controller') in Module.php line 137
20. at Module->exec() in Dispatch.php line 168
21. at Dispatch->run() in App.php line 432
22. at App->think\{closure}(object(Request), object(Closure), null)
23. at call_user_func_array(object(Closure), [object(Request), object(Closure), null]) in Middleware.php line 185
24. at Middleware->think\{closure}(object(Request))
25. at call_user_func(object(Closure), object(Request)) in Middleware.php line 130
26. at Middleware->dispatch(object(Request)) in App.php line 435
27. at App->run() in index.php line 42