diff --git a/app/src/main/res/drawable/ic_translate_black_24dp.xml b/app/src/main/res/drawable/ic_translate_black_24dp.xml
new file mode 100644
index 0000000000..1084151172
--- /dev/null
+++ b/app/src/main/res/drawable/ic_translate_black_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M12.87,15.07l-2.54,-2.51 0.03,-0.03c1.74,-1.94 2.98,-4.17 3.71,-6.53L17,6L17,4h-7L10,2L8,2v2L1,4v1.99h11.17C11.5,7.92 10.44,9.75 9,11.35 8.07,10.32 7.3,9.19 6.69,8h-2c0.73,1.63 1.73,3.17 2.98,4.56l-5.09,5.02L4,19l5,-5 3.11,3.11 0.76,-2.04zM18.5,10h-2L12,22h2l1.12,-3h4.75L21,22h2l-4.5,-12zM15.88,17l1.62,-4.33L19.12,17h-3.24z"/>
+</vector>
diff --git a/app/src/main/res/menu/menu_book_read_activity.xml b/app/src/main/res/menu/menu_book_read_activity.xml
index fa5ba903ea..cfb7eb3504 100644
--- a/app/src/main/res/menu/menu_book_read_activity.xml
+++ b/app/src/main/res/menu/menu_book_read_activity.xml
@@ -43,11 +43,17 @@
             android:title="@string/copy_text"
             app:showAsAction="ifRoom" />
 
+        <item
+            android:id="@+id/action_set_charset"
+            android:icon="@drawable/ic_translate_black_24dp"
+            android:title="@string/set_charset"
+            app:showAsAction="never" />
+
         <item
             android:id="@+id/update_chapter_list"
             android:icon="@drawable/ic_update_black_24dp"
             android:title="@string/update_chapter"
-            app:showAsAction="ifRoom" />
+            app:showAsAction="never" />
 
         <item
             android:id="@+id/action_book_info"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 7ba9572d5b..d96650aaff 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -266,5 +266,6 @@
     <string name="ps_show_all_find">关闭则只显示勾选源的发现</string>
     <string name="update_chapter">更新目录</string>
     <string name="txt_chapter_regex">目录正则</string>
+    <string name="set_charset">设置编码</string>
 
 </resources>