diff --git a/app/src/main/res/layout/activity_live_room.xml b/app/src/main/res/layout/activity_live_room.xml
index bc49ee8..87bb4bc 100644
--- a/app/src/main/res/layout/activity_live_room.xml
+++ b/app/src/main/res/layout/activity_live_room.xml
@@ -673,12 +673,13 @@
 
     <ImageView
         android:id="@+id/iv_signature"
-        android:layout_width="wrap_content"
-        android:layout_height="200dp"
-        android:layout_marginHorizontal="20dp"
-        android:layout_marginTop="100dp"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginHorizontal="32dp"
+        android:adjustViewBounds="true"
         android:contentDescription="@null"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 </androidx.constraintlayout.widget.ConstraintLayout>