会员、管理员登陆次数bugfix

backendApi/modules/v1/models/LoginForm.php

@@ -150,7 +150,7 @@ class LoginForm extends Model {
             $loginFailNums = Yii::$app->redis->get('FAIL_NUMS:' . $this->adminName) ?? 0;
             LoggerTool::error(sprintf('tmp_log_fail_nums_get_登录失败次数：%s, adminName: %s', $loginFailNums, $this->adminName));
             // 登陆失败次数过多是否限制登陆开关(0-未开启)
-            $loginFailedRejectNums = Cache::getSystemConfig()['loginFailedRejectNums']['VALUE'];
+            $loginFailedRejectNums = Cache::getSystemConfig()['loginFailedRejectNums']['VALUE'] ?? 0;
             if (($loginFailedRejectNums > 0) && ($loginFailNums > $loginFailedRejectNums)) {
                 $this->_updateFailTimes($transaction,'账号登陆失败次数过多，无法登录. ' . $loginFailNums);
                 throw new Exception('用户名或者密码错误');