diff --git a/myapplication/src/main/java/com/example/myapplication/MainActivity.java b/myapplication/src/main/java/com/example/myapplication/MainActivity.java
index a2bd740..ae4b187 100644
--- a/myapplication/src/main/java/com/example/myapplication/MainActivity.java
+++ b/myapplication/src/main/java/com/example/myapplication/MainActivity.java
@@ -235,4 +235,12 @@ public class MainActivity extends AppCompatActivity {
         Intent intent = new Intent(this, UVCActivity.class);
         startActivity(intent);
     }
+
+    public void OnSaveRecord(View view) {
+        if(mediaStream.isRecording()){
+            mediaStream.stopRecord();
+        }else{
+            mediaStream.startRecord(this.getCacheDir().getAbsolutePath(), 10*1000);
+        }
+    }
 }
diff --git a/myapplication/src/main/res/layout/activity_main.xml b/myapplication/src/main/res/layout/activity_main.xml
index 4d77e36..653be7f 100644
--- a/myapplication/src/main/res/layout/activity_main.xml
+++ b/myapplication/src/main/res/layout/activity_main.xml
@@ -86,6 +86,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:text="按住录像"
+            android:onClick="OnSaveRecord"
             app:layout_constraintBottom_toBottomOf="parent" />
 
         <TextView