爬虫限制重构规则策略

@@ -20,6 +20,7 @@ const limiter = (rule, policy, context) => {
 
 module.exports = (req, res, next) => {
     let remoteIp = req.get('X-Forwarded-For') || req.connection.remoteAddress;
+    logger.info('request remote ip: ', remoteIp);
 
     if (remoteIp.indexOf(',') > 0) {
         let arr = remoteIp.split(',');