diff --git a/app/src/main/java/com/xypower/frpandroid/MainActivity.java b/app/src/main/java/com/xypower/frpandroid/MainActivity.java
index fadcf86..4f7a2c6 100644
--- a/app/src/main/java/com/xypower/frpandroid/MainActivity.java
+++ b/app/src/main/java/com/xypower/frpandroid/MainActivity.java
@@ -91,9 +91,6 @@ public class MainActivity extends AppCompatActivity {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
-        File file = new File(getDataDir(), "running.txt");
-        FilesUtils.writeTextFile(file.getAbsolutePath(), "");
-
         mHandler = new Handler();
 
         logger = Logger.getLogger("com.xypower.frp.logger");
@@ -209,11 +206,6 @@ public class MainActivity extends AppCompatActivity {
 
     protected void onDestroy() {
         super.onDestroy();
-
-        File file = new File(getDataDir(), "running.txt");
-        if (file.exists()) {
-            file.delete();
-        }
     }
 
     private final void setListener() {
@@ -394,11 +386,6 @@ public class MainActivity extends AppCompatActivity {
                 mHandler.postDelayed(new Runnable() {
                     @Override
                     public void run() {
-                        File file = new File(MainActivity.this.getDataDir(), "running.txt");
-                        if (file.exists()) {
-                            file.delete();
-                        }
-
                         MainActivity.this.finish();
                         System.exit(0);
                     }