Update studentWork.vue

src/views/teamDetail/componentCourse/studentWork.vue

@@ -98,7 +98,7 @@
     </div>
     <el-dialog title="查看作业"
                @close="closeWorkVisible"
-              
+              v-if="closeWorkVisible"
                width="940px"
                append-to-body
                :visible.sync="workVisible">