diff --git a/src/pages/learn/answer.vue b/src/pages/learn/answer.vue
index 9375e3007e9dbad89fd49c6696703fd240cface1..46ed4e5ff12ccbe5ef39d19bf55e8e12508036c1 100644
--- a/src/pages/learn/answer.vue
+++ b/src/pages/learn/answer.vue
@@ -454,13 +454,13 @@ export default {
                     if (this.currentItem.question.answerType == 2) {
                         //多选
                         if (this.userAnswerIds.length == 0) {
-                            this.userAnswerIds = item.id;
+                            this.userAnswerIds = item.id + ',';
                         } else {
-                            this.userAnswerIds = this.userAnswerIds + "," + item.id;
+                            this.userAnswerIds = this.userAnswerIds + item.id + ",";
                         }
                     } else {
                         //单选
-                        this.userAnswerIds = item.id;
+                        this.userAnswerIds = item.id + ',';
                     }
                 }
             });