diff --git a/app/src/main/java/com/hmwl/sample/FaceActivity.java b/app/src/main/java/com/hmwl/sample/FaceActivity.java
index 7e80266..75e104b 100644
--- a/app/src/main/java/com/hmwl/sample/FaceActivity.java
+++ b/app/src/main/java/com/hmwl/sample/FaceActivity.java
@@ -34,7 +34,7 @@ import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
 
 public class FaceActivity extends GameActivity implements FaceLandmarkerHelper.LandmarkerListener {
-    private static final String TAG = "MainActivity";
+    private static final String TAG = "FaceActivity";
 
     static {
         System.loadLibrary("sample");
diff --git a/app/src/main/java/com/hmwl/sample/MainActivity.java b/app/src/main/java/com/hmwl/sample/MainActivity.java
new file mode 100644
index 0000000..b90ba80
--- /dev/null
+++ b/app/src/main/java/com/hmwl/sample/MainActivity.java
@@ -0,0 +1,18 @@
+package com.hmwl.sample;
+
+
+import android.os.Bundle;
+import com.google.androidgamesdk.GameActivity;
+
+
+public class MainActivity extends FaceActivity {
+    private static final String TAG = "MainActivity";
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState){
+        super.onCreate(savedInstanceState);
+
+    }
+
+}
\ No newline at end of file