diff --git a/public/react/src/modules/modals/SendTopics.js b/public/react/src/modules/modals/SendTopics.js
index 9185bf7d4..2958f3b9d 100644
--- a/public/react/src/modules/modals/SendTopics.js
+++ b/public/react/src/modules/modals/SendTopics.js
@@ -167,7 +167,7 @@ class SendTopics extends Component{
 						{showcheck===true?<div className={"color-red mt10"}>请先选择课堂</div>:""}
             <div className="mt20 clearfix edu-txt-center ml200" >
               <a onClick={()=>this.props.topicscancelmodel()} className="pop_close task-btn mr30 fl">取消</a>
-							<Spin size="small"  spinning={smallisSpin}><a className="task-btn task-btn-orange fl" onClick={()=>this.submitInfo()}>确定</a></Spin>
+							<Spin size="small"  spinning={smallisSpin} className={"fl"}><a className="task-btn task-btn-orange" onClick={()=>this.submitInfo()}>确定</a></Spin>
             </div>
           </div>
         </Modal>