diff --git a/pages/products/_id.vue b/pages/products/_id.vue
index 8fa526d..2762296 100644
--- a/pages/products/_id.vue
+++ b/pages/products/_id.vue
@@ -336,6 +336,14 @@ export default {
       ]
     }
   },
+  mounted() {
+    setTimeout(() => {
+      let previewDom = document.querySelector('.img-region');
+      if (previewDom) {
+        previewDom.alt = '图片预览'
+      }
+    }, 0)
+  },
   methods: {
     onSubmit(e) {
       e.preventDefault()