修改字体大小oj

public/react/src/modules/developer/components/monacoSetting/index.js

@@ -91,8 +91,8 @@ const SettingDrawer = (props) => {
     });
     return (
       <React.Fragment>
-        <h2 className={'setting_h2'}>{title}</h2>
-        {result}
+        <h3 className={'setting_h2'}>{title}</h3>
+        { result }
       </React.Fragment>
     );
   }

public/react/src/modules/developer/newOrEditTask/leftpane/editorTab/index.js

@@ -483,7 +483,7 @@ class EditTab extends React.Component {
 
         {/* 添加测试用例 */}
         <div className={'test_demo_title'} ref={this.headerRef}>
-          <h2>测试用例</h2>
+          <h3>测试用例</h3>
           <Button type="primary" ghost onClick={handleAddTest}>添加测试用例</Button>
         </div>
         <div className="test_demo_ctx">