diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 00000000..3c409a1a
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1,5 @@
+{
+  "printWidth": 90,
+  "singleQuote": true,
+  "trailingComma": "none"
+}
diff --git a/packages/uploader/index.ts b/packages/uploader/index.ts
index 26102cd7..3bc81240 100644
--- a/packages/uploader/index.ts
+++ b/packages/uploader/index.ts
@@ -175,17 +175,12 @@ VantComponent({
     },
 
     onPreviewImage(event) {
+      if (!this.data.previewFullImage) return;
+
       const { index } = event.currentTarget.dataset;
       const { lists } = this.data;
       const item = lists[index];
 
-      this.$emit('click-preview', {
-        url: item.url || item.path,
-        ...this.getDetail(index),
-      });
-
-      if (!this.data.previewFullImage) return;
-
       wx.previewImage({
         urls: lists
           .filter((item) => item.isImage)
@@ -196,5 +191,15 @@ VantComponent({
         },
       });
     },
+
+    onClickPreview(event) {
+      const { index } = event.currentTarget.dataset;
+      const item = this.data.lists[index];
+
+      this.$emit('click-preview', {
+        ...item,
+        ...this.getDetail(index),
+      });
+    },
   },
 });
diff --git a/packages/uploader/index.wxml b/packages/uploader/index.wxml
index 417fb85e..9abcf47b 100644
--- a/packages/uploader/index.wxml
+++ b/packages/uploader/index.wxml
@@ -5,9 +5,11 @@
     <!-- 预览样式 -->
     <view
       wx:if="{{ previewImage }}"
-      wx:for="{{ lists  }}"
+      wx:for="{{ lists }}"
       wx:key="index"
       class="van-uploader__preview"
+      data-index="{{ index }}"
+      bindtap="onClickPreview"
     >
       <image
         wx:if="{{ item.isImage }}"
@@ -32,7 +34,7 @@
         class="van-uploader__mask"
       >
        <van-icon wx:if="{{ item.status === 'failed' }}" name="warning-o" class="van-uploader__mask-icon" />
-       <van-loading wx:else class="van-uploader__loading"  />
+       <van-loading wx:else class="van-uploader__loading" />
        <text wx:if="{{ item.message }}" class="van-uploader__upload-text">{{ item.message }}</text>
       </view>
       <van-icon