diff --git a/flutter/android/app/src/main/kotlin/com/carriez/flutter_hbb/MainService.kt b/flutter/android/app/src/main/kotlin/com/carriez/flutter_hbb/MainService.kt
index 973c2f108..12fd66b16 100644
--- a/flutter/android/app/src/main/kotlin/com/carriez/flutter_hbb/MainService.kt
+++ b/flutter/android/app/src/main/kotlin/com/carriez/flutter_hbb/MainService.kt
@@ -207,7 +207,7 @@ class MainService : Service() {
         // keep the config dir same with flutter
         val prefs = applicationContext.getSharedPreferences(KEY_SHARED_PREFERENCES, FlutterActivity.MODE_PRIVATE)
         val configPath = prefs.getString(KEY_APP_DIR_CONFIG_PATH, "") ?: ""
-        FFI.startServer(configPath)
+        FFI.startServer(configPath, "")
 
         createForegroundNotification()
     }
diff --git a/flutter/lib/models/native_model.dart b/flutter/lib/models/native_model.dart
index d8e5aa1ee..2886a2300 100644
--- a/flutter/lib/models/native_model.dart
+++ b/flutter/lib/models/native_model.dart
@@ -198,9 +198,7 @@ class PlatformFFI {
       await _ffiBind.mainDeviceId(id: id);
       await _ffiBind.mainDeviceName(name: name);
       await _ffiBind.mainSetHomeDir(home: _homeDir);
-      final customClientConfig = '';
-      await _ffiBind.mainInit(
-          appDir: _dir, customClientConfig: customClientConfig);
+      await _ffiBind.mainInit(appDir: _dir, customClientConfig: '');
     } catch (e) {
       debugPrintStack(label: 'initialize failed: $e');
     }
diff --git a/src/flutter_ffi.rs b/src/flutter_ffi.rs
index dec4bc370..72e435d3f 100644
--- a/src/flutter_ffi.rs
+++ b/src/flutter_ffi.rs
@@ -2116,12 +2116,16 @@ pub mod server_side {
         env: JNIEnv,
         _class: JClass,
         app_dir: JString,
+        custom_client_config: JString,
     ) {
         log::debug!("startServer from jvm");
         let mut env = env;
         if let Ok(app_dir) = env.get_string(&app_dir) {
             *config::APP_DIR.write().unwrap() = app_dir.into();
         }
+        if let Ok(custom_client_config) = env.get_string(&custom_client_config) {
+            crate::read_custom_client(custom_client_config);
+        }
         std::thread::spawn(move || start_server(true));
     }