diff --git a/src/military/expert/fetch.js b/src/military/expert/fetch.js
index b4a7ffc7..becee90a 100644
--- a/src/military/expert/fetch.js
+++ b/src/military/expert/fetch.js
@@ -3,7 +3,7 @@ import javaFetch from '../javaFetch';
 
 
 let settings=JSON.parse(localStorage.chromesetting);
-let actionUrl = settings.api_urls ? settings.api_urls.expert :'http://10.47.38.56:8088';
+let actionUrl = settings.api_urls && settings.api_urls.expert ? settings.api_urls.expert :'http://10.47.38.56:8088';
 
 const service = javaFetch(actionUrl);
 export const httpUrl = actionUrl;