优化

app/src/main/res/menu/explore_show.xml

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android">
-
-    <item
-        android:id="@+id/menu_add_all_to_bookshelf"
-        android:title="@string/add_all_to_bookshelf" />
-
-</menu>