diff --git a/src/views/resource/component/addStudy.vue b/src/views/resource/component/addStudy.vue
index 604864f..e22d65e 100644
--- a/src/views/resource/component/addStudy.vue
+++ b/src/views/resource/component/addStudy.vue
@@ -370,7 +370,8 @@
           if (obj.type == 1) {
             answerArr[obj.correctKey]['result'] = 1
             obj.isans = this.answerLabel[obj.correctKey]
-          } else {
+          } else {
+            obj.isans = ""
             obj.correctKeydouble.map(k => {
               answerArr[k]['result'] = 1
               obj.isans += this.answerLabel[k]