update

app/controller/Wechat.php

@@ -32,6 +32,7 @@ class Wechat
     {
         $url      = $GLOBALS['data']['data']['url'];
         $redirect = Route::buildUrl('wechat/code', ['callback' => $url])
+            ->suffix(false)
             ->domain(true);
         $this->initWechat();
         return $this->app->oauth->scopes(['snsapi_userinfo'])->redirect($redirect);