diff --git a/src/main/resources/views/platform/trainSingUp/manage/activity_add.html b/src/main/resources/views/platform/trainSingUp/manage/activity_add.html
index 027c1d0..29f9e3a 100644
--- a/src/main/resources/views/platform/trainSingUp/manage/activity_add.html
+++ b/src/main/resources/views/platform/trainSingUp/manage/activity_add.html
@@ -123,9 +123,9 @@ layout("/layouts/platform.html"){
         methods: {
             getAddressName() {
                 if(!this.formData.addressName) {
-                    this.formData.addressDisplayName = this.trainType + '地点'
+                    this.$set(this.formData, 'addressDisplayName', this.trainType + '地点')
                 } else {
-                    this.formData.addressDisplayName = this.formData.addressName
+                    this.$set(this.formData, 'addressDisplayName', this.formData.addressName)
                 }
             },
             openUserScope() {