diff --git a/src/main/resources/templates/admin/admin_post_md_editor.ftl b/src/main/resources/templates/admin/admin_post_md_editor.ftl
index bb640c134..86d367411 100755
--- a/src/main/resources/templates/admin/admin_post_md_editor.ftl
+++ b/src/main/resources/templates/admin/admin_post_md_editor.ftl
@@ -246,7 +246,7 @@
              */
             function autoComplateUrl() {
                 var titleVal = $("#post_title").val();
-                if(titleVal!="" && titleVal!=null){
+                if(titleVal!="" && titleVal!=null && $("#postUrl").html()==''){
                     var result = $("#post_title").toPinyin().toLowerCase();
                     $("#postUrl").html(result.substring(0,result.length-1));
                 }