diff --git a/app/views/shixuns/_settings_edit.html.erb b/app/views/shixuns/_settings_edit.html.erb
index d69af046..b68a4f57 100644
--- a/app/views/shixuns/_settings_edit.html.erb
+++ b/app/views/shixuns/_settings_edit.html.erb
@@ -106,7 +106,7 @@
       </p>
       <div class="clearfix mb20 df">
         <span class="mr30 color-orange pt10 fl">*</span>
-        <div class="flex1">
+        <div class="flex1" style="width: 0">
           <div class="edu-back-greyf5 padding10">
             <textarea class="" id="shixun_script" name="shixun[evaluate_script]"><%= @shixun.evaluate_script %></textarea>
           </div>