diff --git a/README.md b/README.md
index 5cc436f23..03757eca7 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,15 @@ Feature of [Clash.Meta](https://github.com/MetaCubeX/Clash.Meta)
    sdk.dir=/path/to/android-sdk
    ```
 
-4. Create `signing.properties` in project root with
+4. (Optional) Custom app package name. Add the following configuration to `local.properties`.
+
+   ```properties
+   # config your ownn applicationId, or it will be 'com.github.metacubex.clash'
+   custom.application.id=com.my.compile.clash
+   # remove application id suffix, or the applicaion id will be 'com.github.metacubex.clash.alpha'
+   remove.suffix=true
+
+5. Create `signing.properties` in project root with
 
    ```properties
    keystore.path=/path/to/keystore/file
@@ -41,7 +49,7 @@ Feature of [Clash.Meta](https://github.com/MetaCubeX/Clash.Meta)
    key.password=<key password>
    ```
 
-5. Build
+6. Build
 
    ```bash
    ./gradlew app:assembleAlphaRelease
diff --git a/build.gradle.kts b/build.gradle.kts
index 6e1614b31..6c06ffc30 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -31,11 +31,23 @@ subprojects {
 
     apply(plugin = if (isApp) "com.android.application" else "com.android.library")
 
+    fun queryConfigProperty(key: String): Any? {
+        val localProperties = Properties()
+        val localPropertiesFile = rootProject.file("local.properties")
+        if (localPropertiesFile.exists()) {
+            localProperties.load(localPropertiesFile.inputStream())
+        } else {
+            return null
+        }
+        return localProperties.getProperty(key)
+    }
+
     extensions.configure<BaseExtension> {
         buildFeatures.buildConfig = true
         defaultConfig {
             if (isApp) {
-                applicationId = "com.github.metacubex.clash"
+                val customApplicationId = queryConfigProperty("custom.application.id") as? String?
+                applicationId = customApplicationId.takeIf { it?.isNotBlank() == true } ?: "com.github.metacubex.clash"
             }
 
             project.name.let { name ->
@@ -84,17 +96,22 @@ subprojects {
         productFlavors {
             flavorDimensions("feature")
 
+            val removeSuffix = (queryConfigProperty("remove.suffix") as? String)?.toBoolean() == true
+
             create("alpha") {
                 isDefault = true
                 dimension = flavorDimensionList[0]
-                versionNameSuffix = ".Alpha"
+                if (!removeSuffix) {
+                    versionNameSuffix = ".Alpha"
+                }
+
 
                 buildConfigField("boolean", "PREMIUM", "Boolean.parseBoolean(\"false\")")
 
                 resValue("string", "launch_name", "@string/launch_name_alpha")
                 resValue("string", "application_name", "@string/application_name_alpha")
 
-                if (isApp) {
+                if (isApp && !removeSuffix) {
                     applicationIdSuffix = ".alpha"
                 }
             }
@@ -102,14 +119,16 @@ subprojects {
             create("meta") {
 
                 dimension = flavorDimensionList[0]
-                versionNameSuffix = ".Meta"
+                if (!removeSuffix) {
+                    versionNameSuffix = ".Meta"
+                }
 
                 buildConfigField("boolean", "PREMIUM", "Boolean.parseBoolean(\"false\")")
 
                 resValue("string", "launch_name", "@string/launch_name_meta")
                 resValue("string", "application_name", "@string/application_name_meta")
 
-                if (isApp) {
+                if (isApp && !removeSuffix) {
                     applicationIdSuffix = ".meta"
                 }
             }