fix bug

apps/basic/Lib/Action/PassportAction.class.php

@@ -86,7 +86,7 @@ class PassportAction extends CommonAction
 
         } else {
             $pageKeyData = model('Xdata')->get('admin_Config:wxpay');
-            if (!empty($_GET['code']) && !empty($pageKeyData['mp_appid'])) {
+            if (empty($_GET['code']) && !empty($pageKeyData['mp_appid'])) {
                 $appId = $pageKeyData['mp_appid'];
                 $redirect_uri = urlencode('http://' . $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI']);
                 $reurl2 ="https://open.weixin.qq.com/connect/oauth2/authorize?appid=$appId&redirect_uri=$redirect_uri&response_type=code&scope=snsapi_userinfo&state=STATE#wechat_redirect";