diff --git a/src/apps/AppMyGrid/AppMyGrid.vue b/src/apps/AppMyGrid/AppMyGrid.vue
index 5102ef8b..ec555517 100644
--- a/src/apps/AppMyGrid/AppMyGrid.vue
+++ b/src/apps/AppMyGrid/AppMyGrid.vue
@@ -36,7 +36,7 @@ export default {
   computed: {
     ...mapState(['user']),
     isGridMember: v => v.user.girdCheckType > 0,
-    signIn: v => v.user.gridExtra.isSign == 1,
+    signIn: v => v.user.gridExtra?.isSign == 1,
     signBtn: v => v.signIn ? '已签到' : '签到'
   },
   data() {
diff --git a/src/apps/AppMyGrid/signResult.vue b/src/apps/AppMyGrid/signResult.vue
index 10f689df..1528f3f0 100644
--- a/src/apps/AppMyGrid/signResult.vue
+++ b/src/apps/AppMyGrid/signResult.vue
@@ -47,6 +47,9 @@ export default {
 
   .successImg {
     background-image: url("./assets/qiandaochenggong.png");
+    background-repeat: no-repeat;
+    background-position: center;
+    background-size: 192px 192px;
     width: 192px;
     height: 192px;
   }