diff --git a/app/views/layouts/base_forums.html.erb b/app/views/layouts/base_forums.html.erb
index c4ece5269..4d948b29d 100644
--- a/app/views/layouts/base_forums.html.erb
+++ b/app/views/layouts/base_forums.html.erb
@@ -61,13 +61,13 @@
        function addTag(){
            if(<%=@forum.creator.id == User.current.id%>) {
                if ($("input[name='addTag']").val().trim() != ""   ) {
-                   if($("input[name='addTag']").val().trim().length <= 20) {
+                   if($("input[name='addTag']").val().trim().length <= 14) {
                        $.get(
                                        '<%= add_forum_tag_forum_path(@forum)%>' + "?tag_str=" + $("input[name='addTag']").val(),
                                {}
                        );
                    }else{
-                       alert("标签名字长度不能超过20个字符");
+                       alert("标签名字长度不能超过14个字符");
                    }
                }
            }