diff --git a/src/Notes/.gradle/buildOutputCleanup/buildOutputCleanup.lock b/src/Notes/.gradle/buildOutputCleanup/buildOutputCleanup.lock
index 954fdfe..927f3d8 100644
Binary files a/src/Notes/.gradle/buildOutputCleanup/buildOutputCleanup.lock and b/src/Notes/.gradle/buildOutputCleanup/buildOutputCleanup.lock differ
diff --git a/src/Notes/.gradle/buildOutputCleanup/cache.properties b/src/Notes/.gradle/buildOutputCleanup/cache.properties
index 299c01e..0eba958 100644
--- a/src/Notes/.gradle/buildOutputCleanup/cache.properties
+++ b/src/Notes/.gradle/buildOutputCleanup/cache.properties
@@ -1,2 +1,2 @@
-#Sun Apr 02 08:57:27 CST 2023
-gradle.version=7.5
+#Sun Apr 23 18:04:59 CST 2023
+gradle.version=8.0
diff --git a/src/Notes/.gradle/buildOutputCleanup/outputFiles.bin b/src/Notes/.gradle/buildOutputCleanup/outputFiles.bin
index 1d2c594..5e353d5 100644
Binary files a/src/Notes/.gradle/buildOutputCleanup/outputFiles.bin and b/src/Notes/.gradle/buildOutputCleanup/outputFiles.bin differ
diff --git a/src/Notes/.gradle/file-system.probe b/src/Notes/.gradle/file-system.probe
index efea422..9cc85ce 100644
Binary files a/src/Notes/.gradle/file-system.probe and b/src/Notes/.gradle/file-system.probe differ
diff --git a/src/Notes/app/build.gradle b/src/Notes/app/build.gradle
index ae0b4c4..1e45ad2 100644
--- a/src/Notes/app/build.gradle
+++ b/src/Notes/app/build.gradle
@@ -17,4 +17,5 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
         }
     }
+    namespace 'net.micode.notes'
 }
diff --git a/src/Notes/app/src/main/AndroidManifest.xml b/src/Notes/app/src/main/AndroidManifest.xml
index 41511bc..a30799f 100644
--- a/src/Notes/app/src/main/AndroidManifest.xml
+++ b/src/Notes/app/src/main/AndroidManifest.xml
@@ -17,7 +17,6 @@
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
-    package="net.micode.notes"
     android:versionCode="1"
     android:versionName="0.1" >
 
diff --git a/src/Notes/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java b/src/Notes/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java
index 387c03a..9cfb996 100644
--- a/src/Notes/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java
+++ b/src/Notes/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java
@@ -322,7 +322,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     @Override
     protected void onSaveInstanceState(Bundle outState) {
         super.onSaveInstanceState(outState);
-        /**
+        /*
          * For new note without note id, we should firstly save it to
          * generate a id. If the editing note is not worth saving, there
          * is no id which is equivalent to create new note
@@ -387,7 +387,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         };
         mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
         mFontSizeId = mSharedPrefs.getInt(PREFERENCE_FONT_SIZE, ResourceParser.BG_DEFAULT_FONT_SIZE);
-        /**
+        /*
          * HACKME: Fix bug of store the resource id in shared preference.
          * The id may larger than the length of resources, in this case,
          * return the {@link ResourceParser#BG_DEFAULT_FONT_SIZE}
diff --git a/src/Notes/build.gradle b/src/Notes/build.gradle
index cdb59e3..07f17b1 100644
--- a/src/Notes/build.gradle
+++ b/src/Notes/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.4.2'
+        classpath 'com.android.tools.build:gradle:8.0.0'
     }
 }
 
diff --git a/src/Notes/gradle.properties b/src/Notes/gradle.properties
new file mode 100644
index 0000000..f82049a
--- /dev/null
+++ b/src/Notes/gradle.properties
@@ -0,0 +1,3 @@
+android.defaults.buildfeatures.buildconfig=true
+android.nonFinalResIds=false
+android.nonTransitiveRClass=false
\ No newline at end of file
diff --git a/src/Notes/gradle/wrapper/gradle-wrapper.properties b/src/Notes/gradle/wrapper/gradle-wrapper.properties
index 829fbb8..ff44dd1 100644
--- a/src/Notes/gradle/wrapper/gradle-wrapper.properties
+++ b/src/Notes/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 #Sun Apr 02 08:57:13 CST 2023
 distributionBase=GRADLE_USER_HOME
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-bin.zip
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME