diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
index f5a9999..1684473 100644
--- a/.idea/jarRepositories.xml
+++ b/.idea/jarRepositories.xml
@@ -31,5 +31,15 @@
       <option name="name" value="maven2" />
       <option name="url" value="https://maven.aliyun.com/repository/jcenter/" />
     </remote-repository>
+    <remote-repository>
+      <option name="id" value="BintrayJCenter" />
+      <option name="name" value="BintrayJCenter" />
+      <option name="url" value="https://jcenter.bintray.com/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="Google" />
+      <option name="name" value="Google" />
+      <option name="url" value="https://dl.google.com/dl/android/maven2/" />
+    </remote-repository>
   </component>
 </project>
\ No newline at end of file
diff --git a/app/build.gradle b/app/build.gradle
index c801638..adeff5e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -3,8 +3,8 @@ plugins {
 }
 
 android {
-    compileSdkVersion 29
-    buildToolsVersion "30.0.2"
+    compileSdkVersion 30
+    buildToolsVersion "30.0.3"
 
     defaultConfig {
         applicationId "chaoran.business.pda"
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 4ddcbc9..37f2e8b 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-        package="chaoran.business">
+    xmlns:tools="http://schemas.android.com/tools"
+    package="chaoran.business">
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />