diff --git a/README.md b/README.md
index 7eec474..064bca5 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# UpdateAppUtils1.5
+# UpdateAppUtils1.5.1
 ### 一行代码，快速实现app在线下载更新  A simple library for Android update app
 ### 适配Android6.0、7.0、8.0
 ![](update.gif)
@@ -9,7 +9,7 @@
 compile引入
 ```
 dependencies {
-    compile 'com.teprinciple:updateapputils:1.5.0'
+    compile 'com.teprinciple:updateapputils:1.5.1'
 }
 ```
 
@@ -82,9 +82,9 @@ UpdateAppUtils.from(this)
 
 
 #### 更新日志
-1.5.0<br>
+1.5.1<br>
 库内部适配至Android8.0
-1.4<br>
+<br>1.4<br>
 使用[filedownloader](https://github.com/lingochamp/FileDownloader)替换DownloadManager，避免部分手机DownLoadManager无效，同时解决了重复下载的问题，且提高了下载速度<br>
 增加接口UpdateAppUtils.needFitAndroidN(false)，避免不需要适配7.0，也要设置FileProvider<br>
 <br>1.3.1<br>
diff --git a/UpdateAppUtils/build.gradle b/UpdateAppUtils/build.gradle
index d9660f1..7d58b49 100644
--- a/UpdateAppUtils/build.gradle
+++ b/UpdateAppUtils/build.gradle
@@ -41,7 +41,7 @@ dependencies {
 apply plugin: 'com.github.dcendents.android-maven'
 apply plugin: 'com.jfrog.bintray'
 // This is the library version used when deploying the artifact
-version = "1.5.0"
+version = "1.5.1"
 
 def siteUrl = 'https://github.com/teprinciple/UpdateAppDemo'      // 项目的主页
 def gitUrl = 'https://github.com/teprinciple/UpdateAppDemo.git'   // Git仓库的url
diff --git a/UpdateAppUtils/src/main/AndroidManifest.xml b/UpdateAppUtils/src/main/AndroidManifest.xml
index f549fbe..eea156b 100644
--- a/UpdateAppUtils/src/main/AndroidManifest.xml
+++ b/UpdateAppUtils/src/main/AndroidManifest.xml
@@ -23,7 +23,7 @@
 
         <provider
             android:name="android.support.v4.content.FileProvider"
-            android:authorities="teprinciple.updateapputils.fileprovider"
+            android:authorities="${applicationId}.fileprovider"
             android:exported="false"
             android:grantUriPermissions="true">
             <meta-data
diff --git a/updateapputils/src/main/java/util/UpdateAppReceiver.java b/updateapputils/src/main/java/util/UpdateAppReceiver.java
index 8efc22d..8e7919a 100644
--- a/updateapputils/src/main/java/util/UpdateAppReceiver.java
+++ b/updateapputils/src/main/java/util/UpdateAppReceiver.java
@@ -114,7 +114,7 @@ private void toInstall(Context context) {
 
             i.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
             Uri contentUri = FileProvider.getUriForFile(
-                    context, "teprinciple.updateapputils.fileprovider", apkFile);
+                    context, context.getPackageName() + ".fileprovider", apkFile);
             i.setDataAndType(contentUri, "application/vnd.android.package-archive");
 
         } else {