diff --git a/src/pages/activity/addActivity.vue b/src/pages/activity/addActivity.vue
index 991c552..123da57 100644
--- a/src/pages/activity/addActivity.vue
+++ b/src/pages/activity/addActivity.vue
@@ -181,7 +181,8 @@ export default {
   mounted() {},
   methods: {
     addActivityInput() {
-      this.formValidate.params.push({
+      let params = [...this.formValidate.params];
+      params.push({
         defaultVal: "",
         description: "",
         id: 0,
@@ -192,6 +193,8 @@ export default {
         name: "",
         type: 0,
       });
+      this.$set(this.formValidate, "params", params);
+      this.$forceUpdate();
     },
     delActivityInput(index) {
       if (this.formValidate.params.length <= 1) {