Update UserNameForm.js

src/components/UserNameForm.js

@@ -75,10 +75,10 @@ class EmailForm extends React.Component {
       <Form onSubmit={this.onSubmit}>
         <FormItem {...usernameProps.fromItem}>
           {getFieldDecorator('username', { ...usernameProps.decorator })(
-            <Input {...usernameProps.input} />,
+            <Input {...usernameProps.input} disabled//>,
           )}
           {
-            <div class="alert alert-warning" role="alert">改名已开启至1月9日23:59。改名后需注销再登录，并且战绩会清空。</div>
+            <div class="alert alert-warning" role="alert">改名已关闭。下次将在4月1日开启。</div>
           }
 
         </FormItem>