diff --git a/etc/collector.yml b/etc/collector.yml
index eb0e960b..8ba85351 100644
--- a/etc/collector.yml
+++ b/etc/collector.yml
@@ -4,7 +4,7 @@ logger:
   keepHours: 2
 identity:
   specify: ""
-  shell: hostname -i
+  shell: ifconfig `route|grep '^default'|awk '{print $NF}'`|grep inet|awk '{print $2}'|awk -F ':' '{print $NF}'|head -n 1
 sys:
   # timeout in ms
   # interval in second
diff --git a/etc/index.yml b/etc/index.yml
index 2edebbdd..736a4e03 100644
--- a/etc/index.yml
+++ b/etc/index.yml
@@ -4,4 +4,4 @@ logger:
   keepHours: 2
 identity:
   specify: ""
-  shell: hostname -i
+  shell: ifconfig `route|grep '^default'|awk '{print $NF}'`|grep inet|awk '{print $2}'|awk -F ':' '{print $NF}'|head -n 1
diff --git a/etc/judge.yml b/etc/judge.yml
index a2035f0d..e86f7d39 100644
--- a/etc/judge.yml
+++ b/etc/judge.yml
@@ -14,7 +14,7 @@ redis:
 
 identity:
   specify: ""
-  shell: hostname -i 
+  shell: ifconfig `route|grep '^default'|awk '{print $NF}'`|grep inet|awk '{print $2}'|awk -F ':' '{print $NF}'|head -n 1
 
 logger:
   dir: logs/judge