diff --git a/public/react/src/modules/developer/newOrEditTask/leftpane/editorTab/AddTestDemo.js b/public/react/src/modules/developer/newOrEditTask/leftpane/editorTab/AddTestDemo.js
index 4110eb7cc..3d309ef3d 100644
--- a/public/react/src/modules/developer/newOrEditTask/leftpane/editorTab/AddTestDemo.js
+++ b/public/react/src/modules/developer/newOrEditTask/leftpane/editorTab/AddTestDemo.js
@@ -150,7 +150,7 @@ const AddTestDemo = (props) => {
       <Panel header={`测试用例${props.index + 1}`} extra={props.index===0?false:genExtra()} key="1">
         <Form>
           <FormItem
-            label={<span className={'label_text'}>输入</span>}
+            label={<span className={''}>输入</span>}
             colon={ false }
           >
             <TextArea