Revert "change log from info to debug"

This reverts commit ca96e81f.

@@ -28,7 +28,7 @@ class MySqlSender {
         const bulk = this.batchMessages.splice(0, len);
 
         for (let i of bulk) {
-            logger.debug('[db] insert db [%s]', JSON.stringify(i));
+            logger.info('[db] insert db [%s]', JSON.stringify(i));
             await client(this.table).insert(i).catch((err) => {
                 logger.error('[db] insert data=[%s] error=[%s]', JSON.stringify(i), err);
             });

@@ -110,7 +110,7 @@ module.exports = (req, res, next) => {
 
         res.send();
 
-        logger.debug('[client] handle OK [%s]', req.query.l);
+        logger.info('[client] handle OK [%s]', req.query.l);
     } catch (e) {
         logger.error('[client] handle ERROR [%s]', e);
         return next(e);

@@ -38,7 +38,7 @@ const server = {
                     }
                 }
             });
-            logger.debug('[server] handle OK [%s]', data);
+            logger.info('[server] handle OK [%s]', data);
         } catch (e) {
             logger.error('[server] handle ERROR [%s]', e);
         }