logger time

@@ -89,14 +89,20 @@ module.exports = {
             name: 'info',
             level: 'info',
             filename: '/Data/logs/yohobuy-node/info.log',
-            maxFiles: 14
+            maxFiles: 14,
+            timestamp() {
+                return new Date().toString();
+            }
         },
         errorFile: {
             name: 'error',
             level: 'error',
             filename: '/Data/logs/yohobuy-node/error.log',
             handleExceptions: true,
-            maxFiles: 7
+            maxFiles: 7,
+            timestamp() {
+                return new Date().toString();
+            }
         },
         udp: { // send by udp
             measurement: 'yohobuy_node_log',