fix memcacahed timeout

@@ -9,7 +9,7 @@
 const zookeeper = require('node-zookeeper-client');
 const _ = require('lodash');
 
-const ONE_YEAR = 60 * 60 * 24 * 365;
+const ONE_MONTH = 60 * 60 * 24 * 30;
 
 const getter = (client, path, memory, cache) => {
     client.getData(
@@ -27,11 +27,8 @@ const getter = (client, path, memory, cache) => {
 
             memory && _.set(memory, keys, data.toString('utf8') === 'true' ? true : false);
             if (cache) {
-                try {
-                    cache.set('zookeeper:' + path, data.toString('utf8'), ONE_YEAR);
-                    console.log('cache %s data: %s', 'zookeeper:' + path, data.toString('utf8'));
-                } catch (e) {
-                }
+                cache.set('zookeeper:' + path, data.toString('utf8'), ONE_MONTH).catch(console.error);
+                console.log('cache %s data: %s', 'zookeeper:' + path, data.toString('utf8'));
             }
             console.log('%s data: %s', path, data.toString('utf8'));
         }

 {
   "name": "yoho-zookeeper",
-  "version": "1.0.7",
+  "version": "1.0.8",
   "description": "",
   "main": "index.js",
   "scripts": {