Change log level to debug

@@ -20,7 +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);
+    logger.debug('request remote ip: ', remoteIp);
 
     if (remoteIp.indexOf(',') > 0) {
         let arr = remoteIp.split(',');
@@ -48,7 +48,7 @@ module.exports = (req, res, next) => {
         ]).then((results) => {
             let allPass = true, exclusion = false, policy = null;
 
-            logger.info('limiter result: ' + JSON.stringify(results));
+            logger.debug('limiter result: ' + JSON.stringify(results));
 
             _.forEach(results, (result) => {
                 if (typeof result === 'object' && !exclusion) {

@@ -50,7 +50,7 @@ module.exports = (limiter, policy) => {
     });
 
     return cache.getAsync(key).then((result) => {
-        logger.info('qps limiter: ' + key + '@' + result + ' max: ' + MAX_QPS);
+        logger.debug('qps limiter: ' + key + '@' + result + ' max: ' + MAX_QPS);
 
         if (result && _.isNumber(result)) {
 
@@ -60,7 +60,7 @@ module.exports = (limiter, policy) => {
 
             if (result > MAX_QPS) {       // 判断 qps
                 cache.touch(key, ONE_DAY);
-                logger.info('req limit', key);
+                logger.debug('req limit', key);
 
                 return Promise.resolve(policy);
             } else {