协同建构gotype

src/components/pages/synergyCourse/course.vue

@@ -309,7 +309,7 @@ export default {
   components: { EditorBar,backPage },
   data() {
     return {
-      gotype:sessionStorage.getItem('gotype'),
+      gotype:(window.topU && window.topU.gotype) ?  window.topU.gotype : '',
       itemCount: 1,
       courseTitle: "",
       courseText: "",