diff --git a/docs/markdown/changelog.zh-CN.md b/docs/markdown/changelog.zh-CN.md
index 242615770..cd4978339 100644
--- a/docs/markdown/changelog.zh-CN.md
+++ b/docs/markdown/changelog.zh-CN.md
@@ -1,5 +1,11 @@
 # 更新日志
 
+### [v2.0.0-beta.1](https://github.com/youzan/vant/tree/v2.0.0-beta.0)
+
+##### Uploader
+
+- `oversize`事件增加`detail`参数
+
 ### [v2.0.0-beta.0](https://github.com/youzan/vant/tree/v2.0.0-beta.0)
 `2019-05-21`
 
diff --git a/packages/uploader/index.js b/packages/uploader/index.js
index 6544ba36f..2ad76dd48 100644
--- a/packages/uploader/index.js
+++ b/packages/uploader/index.js
@@ -88,7 +88,7 @@ export default sfc({
 
     onAfterRead(files, oversize) {
       if (oversize) {
-        this.$emit('oversize', files);
+        this.$emit('oversize', files, this.detail);
       } else {
         this.afterRead && this.afterRead(files, this.detail);
       }