diff --git a/android/src/main/res/layout/activity_web_bc.xml b/android/src/main/res/layout/activity_web_bc.xml
index db1c55b..ef783f0 100644
--- a/android/src/main/res/layout/activity_web_bc.xml
+++ b/android/src/main/res/layout/activity_web_bc.xml
@@ -14,7 +14,6 @@
             android:focusable="true"
             android:layout_centerVertical="true"
             android:layout_alignParentLeft="true"
-            android:src="@drawable/com_taobao_nb_sdk_web_view_title_bar_back"
             android:layout_marginStart="16dp"
             android:contentDescription="dfsa" />
     </RelativeLayout>