Improve component usage documentation

Author: tw93

packages/wxc-dialog/README.md

@@ -9,9 +9,7 @@
 
 
 ## [Demo预览](https://h5.m.taobao.com/trip/wxc-dialog/index.html?_wx_tpl=https%3A%2F%2Fh5.m.taobao.com%2Ftrip%2Fwxc-dialog%2Fdemo%2Findex.native-min.js)
-<img src="https://gw.alipayobjects.com/zos/rmsportal/igXegJUSoBwBEjJiKJCJ.gif" width="240"/>&nbsp;&nbsp;&nbsp;&nbsp;<img src="http://gtms03.alicdn.com/tfs/TB1Oa09SpXXXXbiXVXXXXXXXXXX-200-200.png" width="160"/>
-
-*更多详细 [demo](https://github.com/alibaba/weex-ui/blob/master/example/dialog/index.vue)，可以参考下面参数说明*
+<img src="https://gw.alipayobjects.com/zos/rmsportal/cdrOiDOZAjYsjOpYPjIq.gif" width="240"/>&nbsp;&nbsp;&nbsp;&nbsp;<img src="http://gtms03.alicdn.com/tfs/TB1Oa09SpXXXXbiXVXXXXXXXXXX-200-200.png" width="160"/>
 
 
 ## 安装

packages/wxc-ep-slider/README.md

@@ -8,7 +8,7 @@
     - 注意: 目前已经支持Ios、Android、H5的展示，但还是一个`beta版本`，需要优化。
 
 ## [Demo预览](https://h5.m.taobao.com/trip/wxc-ep-slider/index.html?_wx_tpl=https%3A%2F%2Fh5.m.taobao.com%2Ftrip%2Fwxc-ep-slider%2Fdemo%2Findex.native-min.js)
-<img src="https://gw.alipayobjects.com/zos/rmsportal/jaOxfvtZroFWnZezjcou.gif" width="240"/>&nbsp;&nbsp;&nbsp;&nbsp;<img src="http://gtms02.alicdn.com/tfs/TB1Ky4QSpXXXXbRapXXXXXXXXXX-200-200.png" width="160"/>
+<img src="https://gw.alipayobjects.com/zos/rmsportal/uxrMIbhyjKNtXTxwYlTe.gif" width="240"/>&nbsp;&nbsp;&nbsp;&nbsp;<img src="http://gtms02.alicdn.com/tfs/TB1Ky4QSpXXXXbRapXXXXXXXXXX-200-200.png" width="160"/>
 
 ## 安装
 

packages/wxc-loading/README.md

@@ -12,7 +12,7 @@
 
 
 ## [Demo预览](https://h5.m.taobao.com/trip/wxc-loading/index.html?_wx_tpl=https%3A%2F%2Fh5.m.taobao.com%2Ftrip%2Fwxc-loading%2Fdemo%2Findex.native-min.js)
-<img src="https://gw.alipayobjects.com/zos/rmsportal/mtWpejSeCddTDZmbYBtV.gif" width="240"/>&nbsp;&nbsp;&nbsp;&nbsp;<img src="http://gtms03.alicdn.com/tfs/TB195ehSpXXXXc4XpXXXXXXXXXX-200-200.png" width="160"/>
+<img src="https://gw.alipayobjects.com/zos/rmsportal/LWbftVyZiQnYEQdgrvmr.gif" width="240"/>&nbsp;&nbsp;&nbsp;&nbsp;<img src="http://gtms03.alicdn.com/tfs/TB195ehSpXXXXc4XpXXXXXXXXXX-200-200.png" width="160"/>
 
 * 注： 由于Weex版本不支持svg，故这边使用gif的Loading，不建议修改原有大小
 

packages/wxc-noticebar/README.md

@@ -8,7 +8,7 @@
 
 
 ## [Demo预览](https://h5.m.taobao.com/trip/wxc-noticebar/index.html?_wx_tpl=https%3A%2F%2Fh5.m.taobao.com%2Ftrip%2Fwxc-noticebar%2Fdemo%2Findex.native-min.js)
-<img src="https://gw.alipayobjects.com/zos/rmsportal/wDFEetwcmbtRzEUPqxum.gif" width="240"/>&nbsp;&nbsp;&nbsp;&nbsp;<img src="http://gtms01.alicdn.com/tfs/TB18V3aSpXXXXboXpXXXXXXXXXX-200-200.png" width="160"/>
+<img src="https://gw.alipayobjects.com/zos/rmsportal/AnxWKgMALzboBnOZwIDj.gif" width="240"/>&nbsp;&nbsp;&nbsp;&nbsp;<img src="http://gtms01.alicdn.com/tfs/TB18V3aSpXXXXboXpXXXXXXXXXX-200-200.png" width="160"/>
 
 ## 安装
 

packages/wxc-overlay/README.md

@@ -7,7 +7,7 @@
 
 
 ## [Demo预览](https://h5.m.taobao.com/trip/wxc-overlay/index.html?_wx_tpl=https%3A%2F%2Fh5.m.taobao.com%2Ftrip%2Fwxc-overlay%2Fdemo%2Findex.native-min.js)
-<img src="https://img.alicdn.com/tfs/TB1DtfASpXXXXcsXpXXXXXXXXXX-750-1334.gif" width="240"/>&nbsp;&nbsp;&nbsp;&nbsp;<img src="http://gtms02.alicdn.com/tfs/TB1rXrwSpXXXXb3aFXXXXXXXXXX-200-200.png" width="160"/>
+<img src="https://gw.alipayobjects.com/zos/rmsportal/mugycUJcTzDbAYAgcyva.gif" width="240"/>&nbsp;&nbsp;&nbsp;&nbsp;<img src="http://gtms02.alicdn.com/tfs/TB1rXrwSpXXXXb3aFXXXXXXXXXX-200-200.png" width="160"/>
 
 ## 安装
 

packages/wxc-page-calendar/README.md

@@ -9,7 +9,7 @@
 -----
 
 ## [Demo预览](https://h5.m.taobao.com/trip/wxc-page-calendar/index.html?_wx_tpl=https%3A%2F%2Fh5.m.taobao.com%2Ftrip%2Fwxc-page-calendar%2Fdemo%2Findex.native-min.js)
-<img src="https://gw.alipayobjects.com/zos/rmsportal/kjDMWPfcKJbjwyXcGNJk.gif" width="240"/>&nbsp;&nbsp;&nbsp;&nbsp;<img src="http://gtms03.alicdn.com/tfs/TB1jQLWSpXXXXaFXVXXXXXXXXXX-200-200.png" width="160"/>
+<img src="https://gw.alipayobjects.com/zos/rmsportal/bxrNuKVuyKqEuwQclkPD.gif" width="240"/>&nbsp;&nbsp;&nbsp;&nbsp;<img src="http://gtms03.alicdn.com/tfs/TB1jQLWSpXXXXaFXVXXXXXXXXXX-200-200.png" width="160"/>
 
 ## 安装
 

packages/wxc-simple-flow/README.md

@@ -9,8 +9,7 @@
 
 ## [Demo预览](https://h5.m.taobao.com/trip/wxc-simple-flow/index.html?_wx_tpl=http%3A%2F%2Fh5.m.taobao.com%2Ftrip%2Fwxc-simple-flow%2Fdemo%2Findex.native-min.js)
 
-<img src="https://gw.alipayobjects.com/zos/rmsportal/kWMIxNIGvEejMXxjyEOi.gif" width="240">
-<img src="http://gtms02.alicdn.com/tfs/TB1jejBSpXXXXXsaXXXXXXXXXXX-200-200.png" width="180">
+<img src="https://gw.alipayobjects.com/zos/rmsportal/kWMIxNIGvEejMXxjyEOi.gif" width="240">&nbsp;&nbsp;&nbsp;&nbsp;<img src="http://gtms02.alicdn.com/tfs/TB1jejBSpXXXXXsaXXXXXXXXXXX-200-200.png" width="180">
 
 ## 安装
 

packages/wxc-tag/README.md

@@ -3,7 +3,7 @@
 > Weex通用标签组件，支持实心标签、空心标签、特殊标签、图片标签
 
 ## [Demo预览](https://h5.m.taobao.com/trip/wxc-tag/index.html?_wx_tpl=https%3A%2F%2Fh5.m.taobao.com%2Ftrip%2Fwxc-tag%2Fdemo%2Findex.native-min.js)
-<img src="https://gw.alipayobjects.com/zos/rmsportal/VcCrfpMEWYnDlgmZrSNE.gif" width="240"/>&nbsp;&nbsp;&nbsp;&nbsp;<img src="http://gtms01.alicdn.com/tfs/TB11omrSXXXXXagXVXXXXXXXXXX-200-200.png" width="160"/>
+<img src="https://gw.alipayobjects.com/zos/rmsportal/PAGXartdWIBRFLAfsQxz.gif" width="240"/>&nbsp;&nbsp;&nbsp;&nbsp;<img src="http://gtms01.alicdn.com/tfs/TB11omrSXXXXXagXVXXXXXXXXXX-200-200.png" width="160"/>
 
 ## 安装