课堂url把courses改成classrooms 78处地方

public/react/src/modules/courses/graduation/topics/index.js

@@ -416,7 +416,7 @@ onBoardsNew=()=>{
               (<React.Fragment>
                 {/* 参考普通作业 - 题库选用 */}
                 {/* <WordsBtn style="blue" className="mr30" onClick={()=>this.useFromBank()}>题库选用</WordsBtn> 正式版没有，先隐藏*/}
-                < a  className={"fl color-blue mr30 font-16"} onClick={(url)=>this.confirmysl(`/classrooms/${this.props.match.params.coursesId}/graduation_topics/export.xlsx`)}>导出</a>
+                < a  className={"fl color-blue mr30 font-16"} onClick={(url)=>this.confirmysl(`/courses/${this.props.match.params.coursesId}/graduation_topics/export.xlsx`)}>导出</a>
                 {/*<p className="fl"><UseBank {...this.props} {...this.state} object_type={"gtopic"} useBankSuccess={this.useBankSuccess}></UseBank></p> 题库选用*/}
                 <WordsBtn style="blue" className="font-16" onClick={()=>this.onBoardsNew()}>新建</WordsBtn>
               </React.Fragment>):""