refactor ip shell

etc/identity.yml

 # 用来做心跳，给服务端上报本机ip
 ip:
   specify: ""
-  shell: ifconfig `route|grep '^default'|awk '{print $NF}'`|grep inet|awk '{print $2}'|head -n 1
+  shell: ifconfig `route|grep '^default'|awk '{print $NF}'`|grep inet|awk '{print $2}'|head -n 1|awk -F':' '{print $NF}'
 
 # MON、JOB的客户端拿来做本机标识
 ident:
   specify: ""
-  shell: ifconfig `route|grep '^default'|awk '{print $NF}'`|grep inet|awk '{print $2}'|head -n 1
\ No newline at end of file
+  shell: ifconfig `route|grep '^default'|awk '{print $NF}'`|grep inet|awk '{print $2}'|head -n 1|awk -F':' '{print $NF}'
\ No newline at end of file