diff --git a/WeChat/Limit.php b/WeChat/Limit.php
index ebd56d3..49304b5 100644
--- a/WeChat/Limit.php
+++ b/WeChat/Limit.php
@@ -38,5 +38,32 @@ class Limit extends BasicWeChat
         return $this->callPostApi($url, ['appid' => $this->config->get('appid')]);
     }
 
+    /**
+     * 网络检测
+     * @param string $action 执行的检测动作
+     * @param string $operator 指定平台从某个运营商进行检测
+     * @return array
+     * @throws Exceptions\InvalidResponseException
+     * @throws Exceptions\LocalCacheException
+     */
+    public function ping($action = 'all', $operator = 'DEFAULT')
+    {
+        $url = 'https://api.weixin.qq.com/cgi-bin/callback/check?access_token=ACCESS_TOKEN';
+        $this->registerApi($url, __FUNCTION__, func_get_args());
+        return $this->callPostApi($url, ['action' => $action, 'check_operator' => $operator]);
+    }
+
+    /**
+     * 获取微信服务器IP地址
+     * @return array
+     * @throws Exceptions\InvalidResponseException
+     * @throws Exceptions\LocalCacheException
+     */
+    public function getCallbackIp()
+    {
+        $url = 'https://api.weixin.qq.com/cgi-bin/getcallbackip?access_token=ACCESS_TOKEN';
+        $this->registerApi($url, __FUNCTION__, func_get_args());
+        return $this->httpGetForJson($url);
+    }
 
 }
\ No newline at end of file