diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 0000000..2f633b6
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,26 @@
+name: Android CI
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: set up JDK 11
+      uses: actions/setup-java@v4
+      with:
+        java-version: '11'
+        distribution: 'temurin'
+        cache: gradle
+
+    - name: Grant execute permission for gradlew
+      run: chmod +x gradlew
+    - name: Build with Gradle
+      run: ./gradlew build
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index b43ace5..f160127 100755
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -2,7 +2,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     package="virtual.camera.app">
-    <!-- Android 11 需要 -->
+    <!-- Android 13 需要 -->
     <uses-permission android:name="android.permission.QUERY_ALL_PACKAGES" />
 
     <!--高危权限-->
diff --git a/build.gradle.txt b/build.gradle.txt
new file mode 100644
index 0000000..2b3d359
--- /dev/null
+++ b/build.gradle.txt
@@ -0,0 +1,44 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    ext.kotlin_version = "1.5.21"
+    repositories {
+        jcenter()
+        mavenCentral()
+        google()
+        maven { url 'https://jitpack.io' }
+    }
+    dependencies {
+        classpath "com.android.tools.build:gradle:7.0.2"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
+allprojects {
+    repositories {
+        jcenter()
+        mavenCentral()
+        google()
+        maven { url 'https://jitpack.io' }
+        maven { url "https://raw.githubusercontent.com/andvipgroup/CameraLib/master" }
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}
+
+ext {
+    minSdkVersion = 24
+    compileSdkVersion = 33
+    targetSdkVersion = 31
+    buildToolsVersion = "31.0.0"
+    javaVersion = JavaVersion.VERSION_1_8
+    abiFilters = "armeabi-v7a,arm64-v8a"
+    localTest = false
+    isMasterPkg = true
+    hackJarName = "hack.jar"
+    versionCode = 100
+    versionName = "1.0.0"
+    masterPkg = "virtual.camera.app"
+    assistPkg = "virtual.camera.app.assist"
+}
\ No newline at end of file
diff --git a/check_env_demo/code/native-lib.cpp b/check_env_demo/code/native-lib.cpp
index 1cb3958..aece0ec 100755
--- a/check_env_demo/code/native-lib.cpp
+++ b/check_env_demo/code/native-lib.cpp
@@ -1,13 +1,20 @@
 #include <jni.h>
 #include <string>
-#include <asm/unistd.h>
-# include <stdio.h>
-# include <unistd.h>
-#include <fcntl.h>
+#include <unistd.h>
 
 extern "C" JNIEXPORT jint JNICALL
 Java_check_env_MainActivity_isPathReallyExist(JNIEnv *env, jobject, jstring path) {
+    // Convert the Java string to a C-style string
     const char *cpath = env->GetStringUTFChars(path, nullptr);
-    int result1 = syscall(__NR_faccessat,AT_FDCWD, cpath, F_OK, 0);
-    return result1;
+    if (cpath == nullptr) {
+        return -1; // Return error if the conversion fails
+    }
+
+    // Check if the path exists using access
+    int result = access(cpath, F_OK);
+
+    // Release the memory allocated for the C-style string
+    env->ReleaseStringUTFChars(path, cpath);
+
+    return result; // Return 0 if the path exists, -1 otherwise
 }
\ No newline at end of file