diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index fa65ad441..f06963e81 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -477,4 +477,8 @@
     <string name="to_top">置顶</string>
     <string name="show">显示</string>
     <string name="color_black">黑色</string>
+    <string name="zoom_in">放大</string>
+    <string name="reader_zoom_buttons_summary">是否在右下角显示缩放按钮</string>
+    <string name="reader_zoom_buttons">显示缩放按钮</string>
+    <string name="zoom_out">缩小</string>
 </resources>
\ No newline at end of file