diff --git a/app/src/main/java/com/example/cmknowledgegraph/MainActivity.java b/app/src/main/java/com/example/cmknowledgegraph/MainActivity.java
index b1e201f..2fed498 100644
--- a/app/src/main/java/com/example/cmknowledgegraph/MainActivity.java
+++ b/app/src/main/java/com/example/cmknowledgegraph/MainActivity.java
@@ -11,5 +11,6 @@ public class MainActivity extends AppCompatActivity {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
         System.out.println("haha");
+        System.out.println("dodo");
     }
 }