diff --git a/app/src/main/java/com/miniai/liveness/CameraActivity.kt b/app/src/main/java/com/miniai/liveness/CameraActivity.kt
index 1406b95..8da4f59 100644
--- a/app/src/main/java/com/miniai/liveness/CameraActivity.kt
+++ b/app/src/main/java/com/miniai/liveness/CameraActivity.kt
@@ -147,4 +147,8 @@ class CameraActivity : AppCompatActivity(), FrameInferface {
     override fun onVerify(msg: String) {
 
     }
-}
\ No newline at end of file
+     override fun onBackPressed() {
+        finishAffinity()
+        super.onBackPressed()
+    }
+}