diff --git a/app/src/main/java/com/hnjc/wjtx/LaunchActivity.java b/app/src/main/java/com/hnjc/wjtx/LaunchActivity.java
index 48dfa98..e6bee53 100644
--- a/app/src/main/java/com/hnjc/wjtx/LaunchActivity.java
+++ b/app/src/main/java/com/hnjc/wjtx/LaunchActivity.java
@@ -257,8 +257,10 @@ public class LaunchActivity extends Activity {
     }
     private void startMain() {
         Intent intent = new Intent(LaunchActivity.this, MainActivity.class);
+        intent.setFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
         intent.putExtra("preloadPath", preloadPath);
         startActivity(intent);
+        overridePendingTransition(0, 0);
         finish();
     }
     @Override
@@ -270,5 +272,10 @@ public class LaunchActivity extends Activity {
         }
         super.onDestroy();
     }
+    @Override
+    public void finish() {
+        super.finish();
+        overridePendingTransition(0, 0);
+    }
 
 }