diff --git a/README.en.md b/README.en.md
index d544921..19a0035 100644
--- a/README.en.md
+++ b/README.en.md
@@ -16,9 +16,9 @@ The code is mainly written in SwiftUI, pure local tool management application
 
 
 
-#### [The latest v2.0.0](https://github.com/DanielHusx/Serendipity/releases/download/v2.0.0/Serendipity.dmg) 2022-11-11
+#### [The latest v2.1.0](https://github.com/DanielHusx/Serendipity/releases/download/v2.1.0/Serendipity.dmg) 2023-06-01
 
-Singles' Day releases a new version, don't be too tied to Thanks me~
+Children's Day released a new version I am a big kid~
 
 
 
@@ -146,6 +146,18 @@ Singles' Day releases a new version, don't be too tied to Thanks me~
 
 ### NOTE:
 
+##### 2023-06-01 v2.1.0
+
+-   Added a dark mode switch
+- Added version update function
+- Added language switching function (supports Chinese/English switching)
+- Optimize symbolization tools
+- Optimize symbol table management page freeze
+- Optimize caching of AsyncImage
+- Optimized the problem of CPU surge caused by crash log
+- Optimize crash log management and parse double JSON
+- Optimize code to a certain extent...in theory~
+
 ##### 2022-11-11 v2.0.0
 
 -   Added shortcut key manager
diff --git a/README.md b/README.md
index 109e288..81639e1 100644
--- a/README.md
+++ b/README.md
@@ -16,9 +16,9 @@
 
 
 
-#### [最新版本 2.0.0](https://github.com/DanielHusx/Serendipity/releases/download/v2.0.0/Serendipity.dmg) 2022-11-11
+#### [最新版本 2.1.0](https://github.com/DanielHusx/Serendipity/releases/download/v2.1.0/Serendipity.dmg) 2023-06-01
 
-光棍节发布新版本不要太栓Q我哟~ 
+儿童节发布新版本~ 哎~就是玩儿 
 
 
 
@@ -146,6 +146,18 @@
 
 ### NOTE:
 
+##### 2023-06-01 v2.1.0
+
+-   新增暗黑模式切换
+-   新增版本更新功能
+-   新增语言切换功能（支持中/英文切换）
+-   优化符号化工具
+-   优化符号表管理页卡顿
+-   优化缓存AsyncImage
+-   优化崩溃日志导致CPU暴增的问题
+-   优化崩溃日志管理解析双JSON
+-   一定程度上的优化代码......理论上～
+
 ##### 2022-11-11 v2.0.0
 
 -   新增快捷键管理器
diff --git a/Serendipity.dmg b/Serendipity.dmg
index 464c5bb..c92c010 100644
Binary files a/Serendipity.dmg and b/Serendipity.dmg differ
diff --git a/appcast.xml b/appcast.xml
index 38a3be2..8fce0e9 100644
--- a/appcast.xml
+++ b/appcast.xml
@@ -1,6 +1,17 @@
 <?xml version="1.0" standalone="yes"?>
 <rss xmlns:sparkle="http://www.andymatuschak.org/xml-namespaces/sparkle" version="2.0">
     <channel>
+        <title>Serendipity</title>
+        <item>
+            <title>2.1.0</title>
+            <pubDate>Thu, 01 Jun 2023 16:21:23 +0800</pubDate>
+            <sparkle:releaseNotesLink>https://github.com/DanielHusx/Serendipity/releases/tag/v2.1.0</sparkle:releaseNotesLink>
+            <sparkle:fullReleaseNotesLink>https://github.com/DanielHusx/Serendipity/releases</sparkle:fullReleaseNotesLink>
+            <sparkle:version>20230601</sparkle:version>
+            <sparkle:shortVersionString>2.1.0</sparkle:shortVersionString>
+            <sparkle:minimumSystemVersion>12.0</sparkle:minimumSystemVersion>
+            <enclosure url="https://github.com/DanielHusx/Serendipity/releases/download/v2.1.0/Serendipity.dmg" type="application/octet-stream" sparkle:edSignature="gte+7VkT6WRgU1G3XNBvQ2aweL7Vj90TGQ5AysVCIiN6otwxSKc57lIaXr58xokQlnFdI5ghPrarNlszdf5cCA==" length="8213194"/>
+        </item>
         <title>Serendipity</title>
         <item>
             <title>2.0.0</title>