diff --git a/src/views/portal/course/Detail.vue b/src/views/portal/course/Detail.vue
index 71b52607..e0b379cf 100644
--- a/src/views/portal/course/Detail.vue
+++ b/src/views/portal/course/Detail.vue
@@ -244,6 +244,7 @@ export default {
         height: 150, // 高度
         text: this.qrcode // 二维码内容
       });
+      this.qr._el.title = '';
     },
     showCommentsTotal(total){
       this.commentsTtoal=total;
diff --git a/src/views/portal/course/Micro.vue b/src/views/portal/course/Micro.vue
index 6844ccb2..e8460052 100644
--- a/src/views/portal/course/Micro.vue
+++ b/src/views/portal/course/Micro.vue
@@ -538,6 +538,7 @@ export default {
         // background: '#f0f'
         // foreground: '#ff0'
       });
+      this.qr._el.title = '';
     },
     ...mapActions({
       getResOwnerTree:'resOwner/getResOwnerTree',