From e7f73b0499d27dc752a2b8febfbb9675c7a5e3b5 Mon Sep 17 00:00:00 2001
From: Wugaoliang <wugaoliang@xiaomi.com>
Date: Tue, 2 Feb 2021 10:49:25 +0800
Subject: [PATCH 1/2] fix: #1573

---
 CHANGELOG.md                | 3 +++
 components/index.d.ts       | 1 +
 components/index.js         | 2 ++
 components/preview/index.js | 6 ++----
 site/locales/zh-CN.js       | 2 +-
 5 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d6c089e3c..ba2d722b4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # 更新日志
 
+## 3.4.1
+
+- 修复 `Preview` 图片预览组件，滚轮放大缩小错误 [#1573](https://github.com/XiaoMi/hiui/issues/1573)
 ## 3.4.0
 
 - 优化组件弹出层自动计算合适的左右位置 [#1494](https://github.com/XiaoMi/hiui/issues/1494)
diff --git a/components/index.d.ts b/components/index.d.ts
index 403da9108..010463290 100644
--- a/components/index.d.ts
+++ b/components/index.d.ts
@@ -39,6 +39,7 @@ export { default as Filter } from './filter'
 export { default as Drawer } from './drawer'
 export { default as Search } from './search'
 export { default as Slider } from './slider'
+export { default as Preview } from './preview'
 export { default as Popper } from './popper'
 export { default as Icon } from './icon'
 export { ThemeContext, LocaleContext } from './context'
\ No newline at end of file
diff --git a/components/index.js b/components/index.js
index cd987b36b..8072782fe 100755
--- a/components/index.js
+++ b/components/index.js
@@ -52,5 +52,7 @@ export { default as Carousel } from './carousel'
 export { default as Watermark } from './watermark'
 export { default as Slider } from './slider'
 export { default as Search } from './search'
+export { default as Preview } from './preview'
+
 export { ThemeContext, LocaleContext } from './context'
 export { default as HiRequest } from './_util/hi-request'
diff --git a/components/preview/index.js b/components/preview/index.js
index 04d6440c8..9517d9cd1 100644
--- a/components/preview/index.js
+++ b/components/preview/index.js
@@ -5,7 +5,6 @@ import classNames from 'classnames'
 import Icon from '../icon'
 import Loading from '../loading'
 import './style/index.js'
-// unstable_batchedUpdates
 const node = document.createElement('div')
 document.body.appendChild(node)
 const Preview = ({
@@ -129,9 +128,8 @@ const Preview = ({
   )
   const handleMouseWheel = useCallback(
     (e) => {
-      e.preventDefault()
-      const direct = e.deltaY
-      if (direct !== 0) {
+      const direct = e.deltaY > 0 ? 1 : -1
+      if (direct !== 0 && e.deltaY !== 0) {
         const x = e.clientX
         const y = e.clientY
         handleZoom(x, y, direct)
diff --git a/site/locales/zh-CN.js b/site/locales/zh-CN.js
index a0f85a412..4c09d42dd 100755
--- a/site/locales/zh-CN.js
+++ b/site/locales/zh-CN.js
@@ -133,7 +133,7 @@ module.exports = {
     filter: 'Filter 筛选',
     charts: 'Charts 图表',
     'rich-text-editor': 'RichTextEditor 富文本编辑',
-    preview: 'preview 预览'
+    preview: 'Preview 预览'
   },
   designs: {
     summarize: '概述',

From bb9b0549f8eb75ab054e3d4d4d6a1a1a626a72b2 Mon Sep 17 00:00:00 2001
From: Wugaoliang <wugaoliang@xiaomi.com>
Date: Tue, 2 Feb 2021 10:56:36 +0800
Subject: [PATCH 2/2] fix: #1541

---
 docs/demo/tree/section-async.jsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/demo/tree/section-async.jsx b/docs/demo/tree/section-async.jsx
index 7ab0f6055..3b619850f 100644
--- a/docs/demo/tree/section-async.jsx
+++ b/docs/demo/tree/section-async.jsx
@@ -43,7 +43,7 @@ class Demo extends React.Component {
               method:'get',
               data:{},
               params:{id:node.id},
-              url:'http://my-json-server.typicode.com/hiui-group/db/conditiondata',
+              url:'https://my-json-server.typicode.com/hiui-group/db/conditiondata',
               transformResponse:(res)=>{
                 let data = JSON.parse(res)
                 if(data[0]) {