diff --git a/app/Http/Controllers/Admin/LogsController.php b/app/Http/Controllers/Admin/LogsController.php
index b5526eeb..b5d2047e 100644
--- a/app/Http/Controllers/Admin/LogsController.php
+++ b/app/Http/Controllers/Admin/LogsController.php
@@ -45,9 +45,9 @@ class LogsController extends Controller
 
         if (isset($is_coupon)) {
             if ($is_coupon) {
-                $query->where('coupon_id', '<>', 0);
+                $query->where('coupon_id', '<>', null);
             } else {
-                $query->whereCouponId(0);
+                $query->whereCouponId(null);
             }
         }
 
diff --git a/app/Http/Controllers/AuthController.php b/app/Http/Controllers/AuthController.php
index ed7d3fe4..23c51559 100644
--- a/app/Http/Controllers/AuthController.php
+++ b/app/Http/Controllers/AuthController.php
@@ -711,7 +711,7 @@ class AuthController extends Controller
         }
 
         // 是否开启注册发送验证码
-        if (sysConfig('is_activate_account') != 1) {
+        if ((int) sysConfig('is_activate_account') !== 1) {
             return Response::json(['status' => 'fail', 'message' => trans('auth.captcha_close')]);
         }
 
@@ -744,7 +744,7 @@ class AuthController extends Controller
     // 公开的邀请码列表
     public function free()
     {
-        $view['inviteList'] = Invite::whereInviterId(0)->whereStatus(0)->paginate();
+        $view['inviteList'] = Invite::whereInviterId(null)->whereStatus(0)->paginate();
 
         return view('auth.free', $view);
     }