Merge branch 'hotfix/queue_login' of wmtx/sdk into master

添加限流日志

Application/Sdk/Controller/UserController.class.php

@@ -34,6 +34,7 @@ class UserController extends BaseController
     {
         $count = Redis::incr(Redis::KEY_LOGIN_LIMIT);
         if ($count >= 300) {
+            Log::write('login_limit:' . date('Y-m-d H:i:s') . ' ---- ' . $count, 'INFO', '', C('LOG_PATH')."login_limit.log");
             Redis::decr(Redis::KEY_LOGIN_LIMIT);
             $this->set_message(1001, "fail", "登录人数过多，请稍后再试！");
         }