diff --git a/README-EN.md b/README-EN.md
index 4837d3705..f834b2bed 100755
--- a/README-EN.md
+++ b/README-EN.md
@@ -147,18 +147,18 @@ We provide the T-Shirt and Sweater with Hutool Logo, please visit the shop：
 <dependency>
     <groupId>org.dromara.hutool</groupId>
     <artifactId>hutool-all</artifactId>
-    <version>6.0.0-M20</version>
+    <version>6.0.0-M21</version>
 </dependency>
 ```
 
 ### 🍐Gradle
 ```
-implementation 'org.dromara.hutool:hutool-all:6.0.0-M20'
+implementation 'org.dromara.hutool:hutool-all:6.0.0-M21'
 ```
 
 ## 📥Download
 
-- [Maven Repo](https://repo1.maven.org/maven2/cn/hutool/hutool-all/6.0.0-M20/)
+- [Maven Repo](https://repo1.maven.org/maven2/cn/hutool/hutool-all/6.0.0-M21/)
 
 > 🔔️note:
 > Hutool 5.x supports JDK8+ and is not tested on Android platforms, and cannot guarantee that all tool classes or tool methods are available.
diff --git a/README.md b/README.md
index 80ae33d49..58e01429d 100755
--- a/README.md
+++ b/README.md
@@ -150,21 +150,21 @@ Hutool目前主要版本4.x、5.x、6.x，选择如下：
 <dependency>
 	<groupId>org.dromara.hutool</groupId>
 	<artifactId>hutool-all</artifactId>
-	<version>6.0.0-M20</version>
+	<version>6.0.0-M21</version>
 </dependency>
 ```
 
 ### 🍐Gradle
 
 ```
-implementation 'org.dromara.hutool:hutool-all:6.0.0-M20'
+implementation 'org.dromara.hutool:hutool-all:6.0.0-M21'
 ```
 
 ### 📥下载jar
 
 点击以下链接，下载`hutool-all-X.X.X.jar`即可：
 
-- [Maven中央库](https://repo1.maven.org/maven2/org/dromara/hutool/hutool-all/6.0.0-M20/)
+- [Maven中央库](https://repo1.maven.org/maven2/org/dromara/hutool/hutool-all/6.0.0-M21/)
 
 > 🔔️注意
 > Hutool 6.x支持JDK8+，对Android平台没有测试，不能保证所有工具类或工具方法可用。
diff --git a/bin/version.txt b/bin/version.txt
index 277087af9..1f2c42034 100644
--- a/bin/version.txt
+++ b/bin/version.txt
@@ -1 +1 @@
-6.0.0-M20
+6.0.0-M21
diff --git a/docs/js/version.js b/docs/js/version.js
index 4046bbc72..c4af47dac 100755
--- a/docs/js/version.js
+++ b/docs/js/version.js
@@ -1 +1 @@
-var version = '6.0.0-M20'
\ No newline at end of file
+var version = '6.0.0-M21'
\ No newline at end of file
diff --git a/hutool-all/pom.xml b/hutool-all/pom.xml
index b6543184d..2d66aa336 100755
--- a/hutool-all/pom.xml
+++ b/hutool-all/pom.xml
@@ -25,7 +25,7 @@
 	<parent>
 		<groupId>org.dromara.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>6.0.0-M20</version>
+		<version>6.0.0-M21</version>
 	</parent>
 
 	<artifactId>hutool-all</artifactId>
diff --git a/hutool-bom/pom.xml b/hutool-bom/pom.xml
index a470f10ee..2d90323d2 100755
--- a/hutool-bom/pom.xml
+++ b/hutool-bom/pom.xml
@@ -25,7 +25,7 @@
 	<parent>
 		<groupId>org.dromara.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>6.0.0-M20</version>
+		<version>6.0.0-M21</version>
 	</parent>
 
 	<artifactId>hutool-bom</artifactId>
diff --git a/hutool-core/pom.xml b/hutool-core/pom.xml
index 5e980f0e4..965564da6 100755
--- a/hutool-core/pom.xml
+++ b/hutool-core/pom.xml
@@ -25,7 +25,7 @@
 	<parent>
 		<groupId>org.dromara.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>6.0.0-M20</version>
+		<version>6.0.0-M21</version>
 	</parent>
 
 	<artifactId>hutool-core</artifactId>
diff --git a/hutool-cron/pom.xml b/hutool-cron/pom.xml
index ab6d5517e..86117edf7 100755
--- a/hutool-cron/pom.xml
+++ b/hutool-cron/pom.xml
@@ -25,7 +25,7 @@
 	<parent>
 		<groupId>org.dromara.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>6.0.0-M20</version>
+		<version>6.0.0-M21</version>
 	</parent>
 
 	<artifactId>hutool-cron</artifactId>
diff --git a/hutool-crypto/pom.xml b/hutool-crypto/pom.xml
index 11abb7d75..fc6a6377c 100755
--- a/hutool-crypto/pom.xml
+++ b/hutool-crypto/pom.xml
@@ -25,7 +25,7 @@
 	<parent>
 		<groupId>org.dromara.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>6.0.0-M20</version>
+		<version>6.0.0-M21</version>
 	</parent>
 
 	<artifactId>hutool-crypto</artifactId>
diff --git a/hutool-db/pom.xml b/hutool-db/pom.xml
index c14b2874c..a30583cf0 100755
--- a/hutool-db/pom.xml
+++ b/hutool-db/pom.xml
@@ -25,7 +25,7 @@
 	<parent>
 		<groupId>org.dromara.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>6.0.0-M20</version>
+		<version>6.0.0-M21</version>
 	</parent>
 
 	<artifactId>hutool-db</artifactId>
diff --git a/hutool-extra/pom.xml b/hutool-extra/pom.xml
index 609527278..7163b1c48 100755
--- a/hutool-extra/pom.xml
+++ b/hutool-extra/pom.xml
@@ -25,7 +25,7 @@
 	<parent>
 		<groupId>org.dromara.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>6.0.0-M20</version>
+		<version>6.0.0-M21</version>
 	</parent>
 
 	<artifactId>hutool-extra</artifactId>
diff --git a/hutool-http/pom.xml b/hutool-http/pom.xml
index 14f7afa69..116a105ac 100755
--- a/hutool-http/pom.xml
+++ b/hutool-http/pom.xml
@@ -25,7 +25,7 @@
 	<parent>
 		<groupId>org.dromara.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>6.0.0-M20</version>
+		<version>6.0.0-M21</version>
 	</parent>
 
 	<artifactId>hutool-http</artifactId>
diff --git a/hutool-json/pom.xml b/hutool-json/pom.xml
index 185b61a43..6f30c8521 100755
--- a/hutool-json/pom.xml
+++ b/hutool-json/pom.xml
@@ -25,7 +25,7 @@
 	<parent>
 		<groupId>org.dromara.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>6.0.0-M20</version>
+		<version>6.0.0-M21</version>
 	</parent>
 
 	<artifactId>hutool-json</artifactId>
diff --git a/hutool-log/pom.xml b/hutool-log/pom.xml
index d8b3663ae..8df22db6d 100755
--- a/hutool-log/pom.xml
+++ b/hutool-log/pom.xml
@@ -25,7 +25,7 @@
 	<parent>
 		<groupId>org.dromara.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>6.0.0-M20</version>
+		<version>6.0.0-M21</version>
 	</parent>
 
 	<artifactId>hutool-log</artifactId>
diff --git a/hutool-poi/pom.xml b/hutool-poi/pom.xml
index 4a53b4b0b..5ebfa1385 100755
--- a/hutool-poi/pom.xml
+++ b/hutool-poi/pom.xml
@@ -25,7 +25,7 @@
 	<parent>
 		<groupId>org.dromara.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>6.0.0-M20</version>
+		<version>6.0.0-M21</version>
 	</parent>
 
 	<artifactId>hutool-poi</artifactId>
diff --git a/hutool-setting/pom.xml b/hutool-setting/pom.xml
index 9c3b90c47..89ce0422c 100755
--- a/hutool-setting/pom.xml
+++ b/hutool-setting/pom.xml
@@ -25,7 +25,7 @@
 	<parent>
 		<groupId>org.dromara.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>6.0.0-M20</version>
+		<version>6.0.0-M21</version>
 	</parent>
 
 	<artifactId>hutool-setting</artifactId>
diff --git a/hutool-socket/pom.xml b/hutool-socket/pom.xml
index f3902e42c..ee24ae4c7 100755
--- a/hutool-socket/pom.xml
+++ b/hutool-socket/pom.xml
@@ -25,7 +25,7 @@
 	<parent>
 		<groupId>org.dromara.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>6.0.0-M20</version>
+		<version>6.0.0-M21</version>
 	</parent>
 
 	<artifactId>hutool-socket</artifactId>
diff --git a/hutool-swing/pom.xml b/hutool-swing/pom.xml
index d6ae3385b..75d35eed2 100755
--- a/hutool-swing/pom.xml
+++ b/hutool-swing/pom.xml
@@ -25,7 +25,7 @@
 	<parent>
 		<groupId>org.dromara.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>6.0.0-M20</version>
+		<version>6.0.0-M21</version>
 	</parent>
 
 	<artifactId>hutool-swing</artifactId>
diff --git a/pom.xml b/pom.xml
index 13fc8744a..1b842d7df 100755
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
 
 	<groupId>org.dromara.hutool</groupId>
 	<artifactId>hutool-parent</artifactId>
-	<version>6.0.0-M20</version>
+	<version>6.0.0-M21</version>
 	<name>hutool</name>
 	<description>
 		Hutool是一个功能丰富且易用的Java工具库，通过诸多实用工具类的使用，旨在帮助开发者快速、便捷地完成各类开发任务。这些封装的工具涵盖了字符串、数字、集合、编码、日期、文件、IO、加密、数据库JDBC、JSON、HTTP客户端等一系列操作，可以满足各种不同的开发需求。