修改配置：日志最多保留7天的日志，udp的发送到域名而非ip

@@ -32,7 +32,8 @@ module.exports = {
         infoFile: {
             name: 'info',
             level: 'info',
-            filename: 'logs/info.log'
+            filename: 'logs/info.log',
+            maxFiles: 7
         },
         errorFile: {
             name: 'error',
@@ -42,7 +43,7 @@ module.exports = {
         },
         udp: { // send by udp
             level: 'debug', // logger level
-            host: '192.168.102.162', // influxdb host
+            host: 'influxdb.yohoops.org', // influxdb host
             port: '4444' // influxdb port
         },
         console: {