优化

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

@@ -71,8 +71,8 @@
         app:showAsAction="never" />
 
     <item
-        android:id="@+id/menu_copy_text"
-        android:title="@string/copy_text"
+        android:id="@+id/menu_edit_content"
+        android:title="@string/edit_content"
         app:showAsAction="never" />
 
     <item

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

@@ -0,0 +1,18 @@
+<?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:tools="http://schemas.android.com/tools"
+    tools:ignore="AlwaysShowAction">
+
+    <item
+        android:id="@+id/menu_save"
+        android:icon="@drawable/ic_save"
+        android:title="@string/action_save"
+        app:showAsAction="always" />
+
+    <item
+        android:id="@+id/menu_reset"
+        android:title="@string/reset"
+        app:showAsAction="never" />
+
+</menu>