feat:处理永中的预览的跳转

src/modules/course-manage/modal/ManageCoursewareModal.jsx

@@ -254,7 +254,7 @@ class ManageCoursewareModal extends React.Component {
             htmlTitle:item.fileName
             htmlTitle:item.fileName
           }
           }
           const previewSign = await BaseService.getYoZoSign(previewParams);
           const previewSign = await BaseService.getYoZoSign(previewParams);
-          const url = `${YZ_PREVIEW_URL}?fileVersionId=${item.fileVersionId}&appId=${YZ_APPId}&sign=${previewSign}&htmlTitle=${item.fileNam}`
+          const url = `${YZ_PREVIEW_URL}?fileVersionId=${item.fileVersionId}&appId=${YZ_APPId}&sign=${previewSign}&htmlTitle=${item.fileName}`
           const a = document.createElement('a');
           const a = document.createElement('a');
           document.body.appendChild(a);
           document.body.appendChild(a);
           a.setAttribute('href', url);
           a.setAttribute('href', url);