Changelog: update for 2.0.4

CHANGELOG.en-US.md

 ## Changelog
 
+### 2.0.4
+
+*2017-11-10*
+
+- Improved accessibility for Cascader, Dropdown, Message, Notification, Popover, Tooltip and Tree
+- Fixed Container resize when the width of viewport decreases, #8042
+- Fixed Tree's `updateKeyChildren` incorrectly deleting child nodes, #8100
+- Fixed bordered CheckboxButton's height when nested in a Form, #8100
+- Fixed Menu's parsing error for custom colors, #8153 (by @zhouyixiang)
+
 ### 2.0.3
 
 *2017-11-03*

CHANGELOG.zh-CN.md

 ## 更新日志
 
+### 2.0.4
+
+*2017-11-10*
+
+- 提升 Cascader、Dropdown、Message、Notification、Popover、Tooltip、Tree 的可访问性
+- 修复当视口变窄时 Container 无法同步更新其宽度的问题，#8042
+- 修复 Tree 的 `updateKeyChildren` 在删除子节点时的行为错误，#8100
+- 修复带有边框的 CheckboxButton 在 Form 中高度错误的问题，#8100
+- 修复 Menu 在解析自定义颜色时的错误，#8153（by @zhouyixiang）
+
 ### 2.0.3
 
 *2017-11-03*

packages/upload/src/ajax.js

 function getError(action, option, xhr) {
   let msg;
   if (xhr.response) {
-    msg = `${xhr.status} ${xhr.response.error || xhr.response}`;
+    msg = `${xhr.response.error || xhr.response}`;
   } else if (xhr.responseText) {
-    msg = `${xhr.status} ${xhr.responseText}`;
+    msg = `${xhr.responseText}`;
   } else {
     msg = `fail to post ${action} ${xhr.status}`;
   }

test/unit/specs/upload.spec.js

@@ -41,7 +41,7 @@ describe('ajax', () => {
   });
   it('40x code should be error', done => {
     option.onError = e => {
-      expect(e.toString()).to.contain('404 Not found');
+      expect(e.toString()).to.contain('Not found');
       done();
     };