fix pan bug
diff --git a/CHANGELOG.md b/CHANGELOG.md
index cea6e66..e1f31c2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
# Change Log
+## 0.6.16
+- [+] [wxc-pan-item](https://alibaba.github.io/weex-ui/#/cn/packages/wxc-pan-item/) add `extId` when pan. [issue/441](https://github.com/alibaba/weex-ui/issues/441)
+
## 0.6.15
- [!] [wxc-swipe-action](https://alibaba.github.io/weex-ui/#/cn/packages/wxc-swipe-action/)fix delete the last data item, then click on another item to report the error.
- [!] [wxc-slider-bar](https://alibaba.github.io/weex-ui/#/cn/packages/wxc-slider-bar/) fix dynamically assign value to value, then slide back to return value
diff --git a/CHANGELOG_cn.md b/CHANGELOG_cn.md
index a52ceea..cf2cbf4 100644
--- a/CHANGELOG_cn.md
+++ b/CHANGELOG_cn.md
@@ -1,4 +1,6 @@
# 升级日志
+## 0.6.16
+- [+] [wxc-pan-item](https://alibaba.github.io/weex-ui/#/cn/packages/wxc-pan-item/) 滑动时候新增 `extId` 回调 [issue/441](https://github.com/alibaba/weex-ui/issues/441)
## 0.6.15
- [!] 解决[wxc-swipe-action](https://alibaba.github.io/weex-ui/#/cn/packages/wxc-swipe-action/)删除最后一个数据项，再点击其他项动画报错
diff --git a/package.json b/package.json
index e24bb24..7ff42a6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
{
"name": "weex-ui",
- "version": "0.6.15",
+ "version": "0.6.16",
"description": "A rich interaction, lightweight, high performance UI library based on Weex",
"main": "index.js",
"lib": "vue",
diff --git a/packages/wxc-pan-item/index.vue b/packages/wxc-pan-item/index.vue
index d493e9f..afc877f 100644
--- a/packages/wxc-pan-item/index.vue
+++ b/packages/wxc-pan-item/index.vue
@@ -67,7 +67,7 @@
if (e.state === 'start') {
this.isPanning = true;
const element = this.$refs['wxc-pan-item'];
- element && this.$emit('wxcPanItemPan', { element });
+ element && this.$emit('wxcPanItemPan', { element, extId: this.extId });
} else if (e.state === 'end') {
setTimeout(() => {
this.isPanning = false;
