diff --git a/src/image-preview/demo/index.vue b/src/image-preview/demo/index.vue
index b1448428a..006992795 100644
--- a/src/image-preview/demo/index.vue
+++ b/src/image-preview/demo/index.vue
@@ -109,10 +109,4 @@ export default {
     margin-left: @padding-md;
   }
 }
-
-.van-image-preview {
-  img {
-    -webkit-user-drag: none;
-  }
-}
 </style>
diff --git a/src/image-preview/index.less b/src/image-preview/index.less
index cbf4e907b..285fd6b5a 100644
--- a/src/image-preview/index.less
+++ b/src/image-preview/index.less
@@ -25,6 +25,11 @@
     left: 0;
     transition-property: transform;
 
+    img {
+      // disable desktop browser image drag
+      -webkit-user-drag: none;
+    }
+
     .van-image__loading {
       background-color: transparent;
     }