diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md
index 01f5218..feb6b3c 100644
--- a/.github/pull_request_template.md
+++ b/.github/pull_request_template.md
@@ -5,11 +5,17 @@
## CheckList
-
Thanks for considering to this repository. Before you submit your issue, please confirm these boxes are checked.
- [ ] I have read [《[EN]Style guide for Flutter repo [CN]Flutter项目代码规范、规约选型》](https://github.com/iteatimeteam/tap_water/issues/1).
-- [ ] 我遵守以下 Merge 规则:PR提交后,邀请群组中任意一人进行 review,即可合并。让 reviewer 在 PR 所在页面写下 review 意见表示通过,即可合并。最简单写一句 LGTM 也可以。不按照本规则执行,自己 PR 自己 Merge 并引入问题,会被收回 Merge 权限。
+- [ ] [EN]I have added screenshots for main devices if this PR includes UI updates. [CN]UI改动,需要将主要设备截图,表明本此 PR 的 UI 改动。
+- [ ] [CN]我遵守以下 Merge 规则:PR 提交后,邀请群组中任意一人进行 review,即可合并。让 reviewer 在 PR 所在页面写下 review 意见表示通过,即可合并。最简单写一句 LGTM 也可以。不按照本规则执行,自己 PR 自己 Merge 并引入问题,会被收回 Merge 权限。如无 merge 权限,请联系 @ChenYilong 执行 merge 操作。
+
+## screenshots
+
+ iPhoneX+ | iPhone (except for iPhoneX+) | android
+ :-------------:|:-------------:|:-------------:
+ |  | 
diff --git a/README.md b/README.md
index 982e065..5803bdf 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,6 @@ updated
演示 | 主要代码贡献方及介绍
:-------------:|:-------------:
-|  |
[**@DargonLee**]( https://github.com/DargonLee ) [《TabBar基础版本,不带加号按钮 issue#11》]( https://github.com/iteatimeteam/tap_water/issues/11 )
- |
[@苏筱雅]( https://github.com/SuXiaoya ) [《TabBar 加号按钮未封装版本,带加号按钮 #8》]( https://github.com/iteatimeteam/tap_water/issues/8 )
+ |
[**@DargonLee**]( https://github.com/DargonLee ) [《TabBar基础版本,不带加号按钮 issue#11》]( https://github.com/iteatimeteam/tap_water/issues/11)
+ |
[@苏筱雅]( https://github.com/SuXiaoya ) [《TabBar 加号按钮未封装版本,带加号按钮 #8》]( https://github.com/iteatimeteam/tap_water/issues/8 )
diff --git a/lib/TapWaterTabbar.dart b/lib/TapWaterTabbar.dart
deleted file mode 100644
index 39de6cb..0000000
--- a/lib/TapWaterTabbar.dart
+++ /dev/null
@@ -1,245 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:tap_water_tab_bar/tap_water_tab_bar.dart';
-
-import 'firstvc.dart';
-
-//enum ActionsItems {
-// Group_chat,
-// Add_friend,
-// Scan,
-// Payment,
-//}
-
-class NavigationIconView {
- final BottomNavigationBarItem item;
- NavigationIconView({
- Key key,
- String title,
- Widget icon,
- Widget avtiveIcon,
- }) : item = new BottomNavigationBarItem(
- icon: icon,
- activeIcon: avtiveIcon,
- title: new Text(title),
- backgroundColor: Colors.white,
- );
-}
-
-class TapWaterTabbar extends StatefulWidget {
- final bool isButton;
- final List