diff --git a/pages/certificate/certificate.vue b/pages/certificate/certificate.vue
index 5e63254..bd59ccf 100644
--- a/pages/certificate/certificate.vue
+++ b/pages/certificate/certificate.vue
@@ -255,6 +255,7 @@ export default {
 .share-img {
   animation: jello-horizontal 3.2s both infinite;
 
+  z-index: 99999;
   position: fixed;
   left: 55rpx;
   bottom: 86rpx;