diff --git a/README.md b/README.md
index c2f2e1a..4954ce1 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 ![Eclipse Marketplace](https://img.shields.io/badge/build-passing-brightgreen)
 ![Eclipse Marketplace](https://img.shields.io/badge/license-AGPL3.0-blue)
-![Eclipse Marketplace](https://img.shields.io/badge/version-v1.7-green)
+![Eclipse Marketplace](https://img.shields.io/badge/version-v1.71-green)
 <br/><br/>
 <img src="https://github.com/fankes/MIUINativeNotifyIcon/blob/master/app/src/main/ic_launcher-playstore.png" width = "100" height = "100"/>
 <br/>
@@ -12,7 +12,7 @@ Fix the native notification bar icon function abandoned by the MIUI development
 # 开始使用
 
 点击下载最新版本
-<a href='https://github.com/fankes/MIUINativeNotifyIcon/releases'>![Eclipse Marketplace](https://img.shields.io/badge/download-v1.7-green)</a>
+<a href='https://github.com/fankes/MIUINativeNotifyIcon/releases'>![Eclipse Marketplace](https://img.shields.io/badge/download-v1.71-green)</a>
 <br/><br/>
 ⚠️ 适配说明<br/>
 
@@ -35,6 +35,10 @@ Fix the native notification bar icon function abandoned by the MIUI development
 
 - [CONTRIBUTING](https://github.com/fankes/MIUINativeNotifyIcon/blob/master/CONTRIBUTING.md)
 
+# 通知测试工具
+
+[点击下载](https://github.com/fankes/MIUINativeNotifyIcon/blob/master/tool/NotifyTester.apk)通知测试工具测试通知图标是否生效。
+
 # 历史背景
 
 这个模块诞生来源于 MIUI 的乱改和不规范，本来 MIUI 9 之后，官方给出了原生通知图标样式，后面由于用户反应通知栏经常出现黑白块。<br/><br/>
diff --git a/build.gradle b/build.gradle
index d1bae55..f97166f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,8 +5,8 @@ plugins {
 }
 
 ext {
-    appVersionName = "1.7"
-    appVersionCode = 15
+    appVersionName = "1.71"
+    appVersionCode = 16
 }
 
 task clean(type: Delete) {
diff --git a/tool/NotifyTester.apk b/tool/NotifyTester.apk
new file mode 100644
index 0000000..0d7fdbf
Binary files /dev/null and b/tool/NotifyTester.apk differ