Fix

app/Http/Controllers/AdminUserController.php

@@ -164,9 +164,9 @@ class AdminUserController extends Controller
         return $this->success('修改成功！');
     }
 
-    public function unban(AdminUser $adminUser)
+    public function unban(AdminUser $adminUser, Request $request)
     {
-        if (! $adminUser->isAdministrator()) {
+        if (! $request->user()->isAdministrator()) {
             return $this->error('无操作权限');
         }