'fix'

src/modules/course-manage/components/LiveCourseOpt.jsx

@@ -53,7 +53,7 @@ class LiveCourseOpt extends React.Component {
           { userRole !== "CloudLecturer" &&
           { userRole !== "CloudLecturer" &&
             <Button type="primary" onClick={this.handleCreateLiveCouese}>新建直播课</Button>
             <Button type="primary" onClick={this.handleCreateLiveCouese}>新建直播课</Button>
           }
           }
-          {!this.state.isMac && <Button onClick={this.handleDownloadClient}>下载直播客户端</Button>}
+         <Button onClick={this.handleDownloadClient}>下载直播客户端</Button>
         </div>
         </div>
       </div>
       </div>
     )
     )