爬虫限制重构规则策略

@@ -44,9 +44,10 @@ module.exports = (limiter, policy) => {
     });
 
     return cache.getAsync(key).then((result) => {
-        logger.info('qps limiter: ' + key + '@' + result);
+        logger.info('qps limiter: ' + key + '@' + result + ' max: ' + MAX_QPS);
 
         if (result && _.isNumber(result)) {
+
             if (result === -1) {
                 return Promise.resolve(true);
             }