diff --git a/app/src/main/java/com/example/administrator/soundinputdemo/MainActivity.java b/app/src/main/java/com/example/administrator/soundinputdemo/MainActivity.java
index 79038861011b8045efe6b60419eb95377bb60c61..8d04563d47291aa570bcde88e91cdb35766abe17 100644
--- a/app/src/main/java/com/example/administrator/soundinputdemo/MainActivity.java
+++ b/app/src/main/java/com/example/administrator/soundinputdemo/MainActivity.java
@@ -27,6 +27,8 @@ import java.util.HashMap;
 import java.util.LinkedHashMap;
 import java.util.Map;
 
+
+
 public class MainActivity extends AppCompatActivity implements EventListener {
     private static final String TAG = "SoundRegActivity";
     private WebView webview;