diff --git a/V2rayNG/app/build.gradle b/V2rayNG/app/build.gradle
index 3c5979fa..7f2a4323 100644
--- a/V2rayNG/app/build.gradle
+++ b/V2rayNG/app/build.gradle
@@ -3,9 +3,6 @@ plugins {
     id 'org.jetbrains.kotlin.android'
 }
 
-Properties props = new Properties()
-props.load(new FileInputStream(new File('local.properties')))
-
 android {
     compileSdkVersion Integer.parseInt("$compileSdkVer")
     buildToolsVersion "$buildToolsVer"
@@ -24,41 +21,17 @@ android {
         versionName "1.8.1"
     }
 
-    if (props["sign"]) {
-        signingConfigs {
-            release {
-                storeFile file("../key.jks")
-                keyAlias 'ang'
-                keyPassword '123456'
-                storePassword '123456'
-            }
-            debug {
-                storeFile file("../key.jks")
-                keyAlias 'ang'
-                keyPassword '123456'
-                storePassword '123456'
-            }
-        }
-    }
-
     buildTypes {
         release {
             minifyEnabled false
             zipAlignEnabled false
             shrinkResources false
-            if (props["sign"]) {
-                signingConfig signingConfigs.release
-            }
             ndk.abiFilters 'x86', 'x86_64', 'armeabi-v7a', 'arm64-v8a'
-//            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
         debug {
             minifyEnabled false
             zipAlignEnabled false
             shrinkResources false
-            if (props["sign"]) {
-                signingConfig signingConfigs.release
-            }
             ndk.abiFilters 'x86', 'x86_64', 'armeabi-v7a', 'arm64-v8a'
         }
     }
@@ -100,6 +73,7 @@ android {
     buildFeatures {
         viewBinding true
     }
+    namespace 'com.v2ray.ang'
 }
 
 dependencies {
diff --git a/V2rayNG/app/src/main/AndroidManifest.xml b/V2rayNG/app/src/main/AndroidManifest.xml
index 29f9b3a9..74ff1945 100644
--- a/V2rayNG/app/src/main/AndroidManifest.xml
+++ b/V2rayNG/app/src/main/AndroidManifest.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    package="com.v2ray.ang">
+    xmlns:tools="http://schemas.android.com/tools">
 
     <supports-screens
         android:anyDensity="true"
diff --git a/V2rayNG/build.gradle b/V2rayNG/build.gradle
index eb5c5d7e..ab2b874f 100644
--- a/V2rayNG/build.gradle
+++ b/V2rayNG/build.gradle
@@ -1,6 +1,6 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
-    id 'com.android.application' version '7.3.1' apply false
-    id 'com.android.library' version '7.3.1' apply false
+    id 'com.android.application' version '7.4.2' apply false
+    id 'com.android.library' version '7.4.2' apply false
     id 'org.jetbrains.kotlin.android' version '1.8.0' apply false
 }
\ No newline at end of file
diff --git a/V2rayNG/gradle/wrapper/gradle-wrapper.properties b/V2rayNG/gradle/wrapper/gradle-wrapper.properties
index 4d1d8f01..cc8f2bd5 100644
--- a/V2rayNG/gradle/wrapper/gradle-wrapper.properties
+++ b/V2rayNG/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-all.zip