优化

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

@@ -1,11 +1,19 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto">
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    tools:ignore="AlwaysShowAction">
 
     <item
         android:id="@+id/menu_refresh"
-        android:title="@string/refresh"
         android:icon="@drawable/ic_refresh_black_24dp"
+        android:title="@string/refresh"
         app:showAsAction="always" />
 
+    <item
+        android:id="@+id/menu_log"
+        android:title="@string/log"
+        android:icon="@drawable/ic_cfg_about"
+        app:showAsAction="never" />
+
 </menu>