updates

src/modules/exam/views/Detail.vue

@@ -73,7 +73,7 @@
         </span>
       </el-dialog>
     </app-list>
-    <input tyoe="text" style="opacity: 0" id="copyInput" />
+    <input type="text" style="opacity: 0" id="copyInput" />
   </app-card>
 </template>