diff --git a/proxy-server/webpages/lanproxy-config/html/lan/edit.html b/proxy-server/webpages/lanproxy-config/html/lan/edit.html
index 9096d22..8c223a5 100644
--- a/proxy-server/webpages/lanproxy-config/html/lan/edit.html
+++ b/proxy-server/webpages/lanproxy-config/html/lan/edit.html
@@ -64,10 +64,6 @@ $(".update").click(function(){
     	layer.alert($.i18n.prop('lan.notice.inputlan'), {title:"Tips"});
         return;
     }
-    if(!check_lan(lan)){
-    	layer.alert($.i18n.prop('lan.notice.errorlan'), {title:"Tips"});
-        return;
-    }
 
     clientList[clientIndex].proxyMappings[mappingIndex]= {
     	name:name,
@@ -88,4 +84,4 @@ $(".update").click(function(){
 $(".back").click(function(){
 	load_page("html/lan/list.html");
 });
-</script>
\ No newline at end of file
+</script>