diff --git a/src/style/var.less b/src/style/var.less
index 687cabf3b..bf4bf7b43 100644
--- a/src/style/var.less
+++ b/src/style/var.less
@@ -682,6 +682,7 @@
 @uploader-text-color: @gray-dark;
 @uploader-text-font-size: @font-size-sm;
 @uploader-upload-border-color: @gray-light;
+@uploader-upload-border-radius: 4px;
 @uploader-upload-background-color: @white;
 @uploader-delete-color: @white;
 @uploader-delete-background-color: rgba(0, 0, 0, .45);
diff --git a/src/uploader/index.js b/src/uploader/index.js
index 4e530bb7b..5d79fff04 100644
--- a/src/uploader/index.js
+++ b/src/uploader/index.js
@@ -226,6 +226,7 @@ export default createComponent({
           class={bem('preview-image')}
           width={this.previewSize}
           height={this.previewSize}
+          radius={4}
           onClick={() => {
             this.onPreviewImage(item);
           }}
diff --git a/src/uploader/index.less b/src/uploader/index.less
index be6abbe78..b7a5c5b8e 100644
--- a/src/uploader/index.less
+++ b/src/uploader/index.less
@@ -36,6 +36,7 @@
     margin: 0 @padding-xs @padding-xs 0;
     background-color: @uploader-upload-background-color;
     border: 1px dashed @uploader-upload-border-color;
+    border-radius: @uploader-upload-border-radius;
 
     &-icon {
       color: @uploader-icon-color;
diff --git a/src/uploader/test/__snapshots__/demo.spec.js.snap b/src/uploader/test/__snapshots__/demo.spec.js.snap
index 9ebc11b08..39f2c0eb9 100644
--- a/src/uploader/test/__snapshots__/demo.spec.js.snap
+++ b/src/uploader/test/__snapshots__/demo.spec.js.snap
@@ -14,7 +14,7 @@ exports[`renders demo correctly 1`] = `
     <div class="van-uploader">
       <div class="van-uploader__wrapper">
         <div class="van-uploader__preview">
-          <div class="van-image van-uploader__preview-image"><img src="https://img.yzcdn.cn/vant/cat.jpeg" class="van-image__img" style="object-fit: cover;">
+          <div class="van-image van-uploader__preview-image" style="overflow: hidden; border-radius: 4px;"><img src="https://img.yzcdn.cn/vant/cat.jpeg" class="van-image__img" style="object-fit: cover;">
             <div class="van-image__loading"><i class="van-icon van-icon-photo-o" style="font-size: 22px;">
                 <!----></i></div>
           </div><i class="van-icon van-icon-delete van-uploader__preview-delete">
diff --git a/src/uploader/test/__snapshots__/index.spec.js.snap b/src/uploader/test/__snapshots__/index.spec.js.snap
index 37b0cc946..f1eb03887 100644
--- a/src/uploader/test/__snapshots__/index.spec.js.snap
+++ b/src/uploader/test/__snapshots__/index.spec.js.snap
@@ -22,7 +22,7 @@ exports[`image-fit prop 1`] = `
 <div class="van-uploader">
   <div class="van-uploader__wrapper">
     <div class="van-uploader__preview">
-      <div class="van-image van-uploader__preview-image"><img src="https://img.yzcdn.cn/vant/cat.jpeg" class="van-image__img" style="object-fit: contain;">
+      <div class="van-image van-uploader__preview-image" style="overflow: hidden; border-radius: 4px;"><img src="https://img.yzcdn.cn/vant/cat.jpeg" class="van-image__img" style="object-fit: contain;">
         <div class="van-image__loading"><i class="van-icon van-icon-photo-o" style="font-size: 22px;">
             <!----></i></div>
       </div><i class="van-icon van-icon-delete van-uploader__preview-delete">
@@ -38,7 +38,7 @@ exports[`max-count prop 1`] = `
 <div class="van-uploader">
   <div class="van-uploader__wrapper">
     <div class="van-uploader__preview">
-      <div class="van-image van-uploader__preview-image"><img src="data:image/test" class="van-image__img" style="object-fit: cover;">
+      <div class="van-image van-uploader__preview-image" style="overflow: hidden; border-radius: 4px;"><img src="data:image/test" class="van-image__img" style="object-fit: cover;">
         <div class="van-image__loading"><i class="van-icon van-icon-photo-o" style="font-size: 22px;">
             <!----></i></div>
       </div><i class="van-icon van-icon-delete van-uploader__preview-delete">
@@ -52,7 +52,7 @@ exports[`preview-size prop 1`] = `
 <div class="van-uploader">
   <div class="van-uploader__wrapper">
     <div class="van-uploader__preview" style="">
-      <div class="van-image van-uploader__preview-image" style="width: 30px; height: 30px;"><img src="data:image/test" class="van-image__img" style="object-fit: cover;">
+      <div class="van-image van-uploader__preview-image" style="width: 30px; height: 30px; overflow: hidden; border-radius: 4px;"><img src="data:image/test" class="van-image__img" style="object-fit: cover;">
         <div class="van-image__loading"><i class="van-icon van-icon-photo-o" style="font-size: 22px;">
             <!----></i></div>
       </div><i class="van-icon van-icon-delete van-uploader__preview-delete">
@@ -68,7 +68,7 @@ exports[`render preview image 1`] = `
 <div class="van-uploader">
   <div class="van-uploader__wrapper">
     <div class="van-uploader__preview">
-      <div class="van-image van-uploader__preview-image"><img src="https://img.yzcdn.cn/vant/cat.jpeg" class="van-image__img" style="object-fit: cover;">
+      <div class="van-image van-uploader__preview-image" style="overflow: hidden; border-radius: 4px;"><img src="https://img.yzcdn.cn/vant/cat.jpeg" class="van-image__img" style="object-fit: cover;">
         <div class="van-image__loading"><i class="van-icon van-icon-photo-o" style="font-size: 22px;">
             <!----></i></div>
       </div><i class="van-icon van-icon-delete van-uploader__preview-delete">
@@ -89,7 +89,7 @@ exports[`render preview image 1`] = `
         <!----></i>
     </div>
     <div class="van-uploader__preview">
-      <div class="van-image van-uploader__preview-image"><img src="data:image/test" class="van-image__img" style="object-fit: cover;">
+      <div class="van-image van-uploader__preview-image" style="overflow: hidden; border-radius: 4px;"><img src="data:image/test" class="van-image__img" style="object-fit: cover;">
         <div class="van-image__loading"><i class="van-icon van-icon-photo-o" style="font-size: 22px;">
             <!----></i></div>
       </div><i class="van-icon van-icon-delete van-uploader__preview-delete">