修改《创建作业页面》bug

Signed-off-by: alan <547533434@qq.com>

app/views/homework_attach/new.html.erb

@@ -78,8 +78,8 @@
                 </span>
                 &nbsp;&nbsp;作品描述&nbsp;&nbsp;&nbsp;&nbsp;：&nbsp;
               </label>
-              <%= f.text_area "description", :class => "w620", :maxlength => 3000, :placeholder => "最多3000个汉字", :onkeyup => "regexDescription();"%>
-              <span id="homework_attach_description_span" style="padding-left: 100px;"></span>
+              <%= f.text_area "description", :class => "w620", :style=>"width:432px;", :maxlength => 3000, :placeholder => "最多3000个汉字", :onkeyup => "regexDescription();"%>
+            <br/>  <span id="homework_attach_description_span" style="padding-left: 100px;"></span>
             </p>
             <div class="cl"></div>
             <p>