表单

src/views/user/form.vue

@@ -39,6 +39,7 @@ export default Vue.extend({
       const form_data = sessionStorage.getItem('form_cache')
       if (form_data) {
         this.from_data = JSON.parse(form_data)
+        this.expo_id = this.from_data.id
       } else {
         getExpoInfo(this.expo_key).then(res => {
           this.from_data = res.data