diff --git a/core/src/main/java/org/lsposed/lspd/config/ApplicationServiceClient.java b/core/src/main/java/org/lsposed/lspd/config/ApplicationServiceClient.java
new file mode 100644
index 00000000..a77f240d
--- /dev/null
+++ b/core/src/main/java/org/lsposed/lspd/config/ApplicationServiceClient.java
@@ -0,0 +1,33 @@
+package org.lsposed.lspd.config;
+
+import android.os.IBinder;
+import android.os.ParcelFileDescriptor;
+
+import org.lsposed.lspd.service.ILSPApplicationService;
+
+import java.util.Map;
+
+abstract public class ApplicationServiceClient implements ILSPApplicationService {
+
+    public static ApplicationServiceClient serviceClient = null;
+
+    @Override
+    abstract public IBinder requestModuleBinder();
+
+    @Override
+    abstract public IBinder requestManagerBinder(String packageName);
+
+    @Override
+    abstract public boolean isResourcesHookEnabled();
+
+    @Override
+    abstract public Map getModulesList(String processName);
+
+    abstract public Map<String, String> getModulesList();
+
+    @Override
+    abstract public String getPrefsPath(String packageName);
+
+    @Override
+    abstract public ParcelFileDescriptor getModuleLogger();
+}
diff --git a/core/src/main/java/org/lsposed/lspd/config/LSPApplicationServiceClient.java b/core/src/main/java/org/lsposed/lspd/config/LSPApplicationServiceClient.java
index 56fb64de..c388735c 100644
--- a/core/src/main/java/org/lsposed/lspd/config/LSPApplicationServiceClient.java
+++ b/core/src/main/java/org/lsposed/lspd/config/LSPApplicationServiceClient.java
@@ -29,13 +29,12 @@ import org.lsposed.lspd.util.Utils;
 import java.util.Collections;
 import java.util.Map;
 
-public class LSPApplicationServiceClient implements ILSPApplicationService {
+public class LSPApplicationServiceClient extends ApplicationServiceClient {
     static ILSPApplicationService service = null;
     static IBinder serviceBinder = null;
 
     static String processName = null;
 
-    public static LSPApplicationServiceClient serviceClient = null;
     private static final IBinder.DeathRecipient recipient = new IBinder.DeathRecipient() {
         @Override
         public void binderDied() {
@@ -96,6 +95,7 @@ public class LSPApplicationServiceClient implements ILSPApplicationService {
         return Collections.emptyMap();
     }
 
+    @Override
     public Map<String, String> getModulesList() {
         return getModulesList(processName);
     }
diff --git a/core/src/main/java/org/lsposed/lspd/core/Main.java b/core/src/main/java/org/lsposed/lspd/core/Main.java
index 4d3d713b..83168855 100644
--- a/core/src/main/java/org/lsposed/lspd/core/Main.java
+++ b/core/src/main/java/org/lsposed/lspd/core/Main.java
@@ -98,7 +98,7 @@ public class Main {
         }
     }
 
-    private static void forkPostCommon(boolean isSystem, String appDataDir, String niceName) {
+    public static void forkPostCommon(boolean isSystem, String appDataDir, String niceName) {
         // init logger
         YahfaHooker.init();
         ModuleLogger.initLogger(serviceClient.getModuleLogger());