diff --git a/CHANGELOG.md b/CHANGELOG.md
index bd62b4301..dce007f79 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,13 @@
 
 -------------------------------------------------------------------------------------------------------------
 
+## 5.2.2
+
+### 新特性
+### Bug修复
+
+-------------------------------------------------------------------------------------------------------------
+
 ## 5.2.1
 
 ### 新特性
diff --git a/README.md b/README.md
index 4841c12e6..a789ce0ae 100644
--- a/README.md
+++ b/README.md
@@ -40,7 +40,7 @@
 	-- 主页：<a href="https://hutool.cn">https://hutool.cn/</a> | <a href="https://www.hutool.club/">https://www.hutool.club/</a> --
 </p>
 <p align="center">
-	-- QQ群③：<a href="https://shang.qq.com/wpa/qunwpa?idkey=35764b2247c46ffebe28e45.2.1b2af8f5dee5efcf47ceec69d21e4521aa8c75">555368316</a> --
+	-- QQ群③：<a href="https://shang.qq.com/wpa/qunwpa?idkey=35764b2247c46ffebe28e45.2.2b2af8f5dee5efcf47ceec69d21e4521aa8c75">555368316</a> --
 	-- QQ群④：<a href="https://shang.qq.com/wpa/qunwpa?idkey=309056e409a304a454c7ba250a10d38dd82b9b49cd0e1f180fedbde78b02ae0d">718802356</a> --
 </p>
 
@@ -116,21 +116,21 @@ Hutool的存在就是为了减少代码搜索成本，避免网络上参差不
 <dependency>
     <groupId>cn.hutool</groupId>
     <artifactId>hutool-all</artifactId>
-    <version>5.2.1</version>
+    <version>5.2.2</version>
 </dependency>
 ```
 
 ### Gradle
 ```
-compile 'cn.hutool:hutool-all:5.2.1'
+compile 'cn.hutool:hutool-all:5.2.2'
 ```
 
 ### 非Maven项目
 
 点击以下任一链接，下载`hutool-all-X.X.X.jar`即可：
 
-- [Maven中央库1](https://repo1.maven.org/maven2/cn/hutool/hutool-all/5.2.1/)
-- [Maven中央库2](http://repo2.maven.org/maven2/cn/hutool/hutool-all/5.2.1/)
+- [Maven中央库1](https://repo1.maven.org/maven2/cn/hutool/hutool-all/5.2.2/)
+- [Maven中央库2](http://repo2.maven.org/maven2/cn/hutool/hutool-all/5.2.2/)
 
 > 注意
 > Hutool 5.x支持JDK8+，对Android平台没有测试，不能保证所有工具类获工具方法可用。
diff --git a/bin/version.txt b/bin/version.txt
index 26d99a283..ce7f2b425 100755
--- a/bin/version.txt
+++ b/bin/version.txt
@@ -1 +1 @@
-5.2.1
+5.2.2
diff --git a/docs/js/version.js b/docs/js/version.js
index 3b5a3b095..880556a56 100644
--- a/docs/js/version.js
+++ b/docs/js/version.js
@@ -1 +1 @@
-var version = '5.2.1'
\ No newline at end of file
+var version = '5.2.2'
\ No newline at end of file
diff --git a/hutool-all/pom.xml b/hutool-all/pom.xml
index e72b49c59..7b15d96c7 100644
--- a/hutool-all/pom.xml
+++ b/hutool-all/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.1</version>
+		<version>5.2.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-all</artifactId>
diff --git a/hutool-aop/pom.xml b/hutool-aop/pom.xml
index a077a482e..53ca87427 100644
--- a/hutool-aop/pom.xml
+++ b/hutool-aop/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.1</version>
+		<version>5.2.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-aop</artifactId>
diff --git a/hutool-bloomFilter/pom.xml b/hutool-bloomFilter/pom.xml
index 2f9f1dcfb..36308f1bd 100644
--- a/hutool-bloomFilter/pom.xml
+++ b/hutool-bloomFilter/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.1</version>
+		<version>5.2.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-bloomFilter</artifactId>
diff --git a/hutool-bom/pom.xml b/hutool-bom/pom.xml
index dba18b456..ba929a9d1 100644
--- a/hutool-bom/pom.xml
+++ b/hutool-bom/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.1</version>
+		<version>5.2.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-bom</artifactId>
diff --git a/hutool-cache/pom.xml b/hutool-cache/pom.xml
index bdfd47bd6..4c1343eb4 100644
--- a/hutool-cache/pom.xml
+++ b/hutool-cache/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.1</version>
+		<version>5.2.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-cache</artifactId>
diff --git a/hutool-captcha/pom.xml b/hutool-captcha/pom.xml
index cef3dd68e..22f81b4dc 100644
--- a/hutool-captcha/pom.xml
+++ b/hutool-captcha/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.1</version>
+		<version>5.2.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-captcha</artifactId>
diff --git a/hutool-core/pom.xml b/hutool-core/pom.xml
index ddbe68d00..addc0a0eb 100644
--- a/hutool-core/pom.xml
+++ b/hutool-core/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.1</version>
+		<version>5.2.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-core</artifactId>
diff --git a/hutool-cron/pom.xml b/hutool-cron/pom.xml
index 083e3915b..3df8993e6 100644
--- a/hutool-cron/pom.xml
+++ b/hutool-cron/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.1</version>
+		<version>5.2.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-cron</artifactId>
diff --git a/hutool-crypto/pom.xml b/hutool-crypto/pom.xml
index 50db9c905..cefb808ed 100644
--- a/hutool-crypto/pom.xml
+++ b/hutool-crypto/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.1</version>
+		<version>5.2.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-crypto</artifactId>
diff --git a/hutool-db/pom.xml b/hutool-db/pom.xml
index 2c4d93672..19e6836c5 100644
--- a/hutool-db/pom.xml
+++ b/hutool-db/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.1</version>
+		<version>5.2.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-db</artifactId>
diff --git a/hutool-dfa/pom.xml b/hutool-dfa/pom.xml
index 9c21cc55d..f721f0036 100644
--- a/hutool-dfa/pom.xml
+++ b/hutool-dfa/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.1</version>
+		<version>5.2.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-dfa</artifactId>
diff --git a/hutool-extra/pom.xml b/hutool-extra/pom.xml
index 79a14dd53..2113094f8 100644
--- a/hutool-extra/pom.xml
+++ b/hutool-extra/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.1</version>
+		<version>5.2.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-extra</artifactId>
diff --git a/hutool-http/pom.xml b/hutool-http/pom.xml
index a61edce23..5b61ac8aa 100644
--- a/hutool-http/pom.xml
+++ b/hutool-http/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.1</version>
+		<version>5.2.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-http</artifactId>
diff --git a/hutool-json/pom.xml b/hutool-json/pom.xml
index b7cdc1aef..6dd97b0f4 100644
--- a/hutool-json/pom.xml
+++ b/hutool-json/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.1</version>
+		<version>5.2.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-json</artifactId>
diff --git a/hutool-log/pom.xml b/hutool-log/pom.xml
index b131c4193..7c31ec557 100644
--- a/hutool-log/pom.xml
+++ b/hutool-log/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.1</version>
+		<version>5.2.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-log</artifactId>
diff --git a/hutool-poi/pom.xml b/hutool-poi/pom.xml
index 6852beb47..049a234bb 100644
--- a/hutool-poi/pom.xml
+++ b/hutool-poi/pom.xml
@@ -8,7 +8,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.1</version>
+		<version>5.2.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-poi</artifactId>
diff --git a/hutool-script/pom.xml b/hutool-script/pom.xml
index 09bd669cc..68369f2e7 100644
--- a/hutool-script/pom.xml
+++ b/hutool-script/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.1</version>
+		<version>5.2.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-script</artifactId>
diff --git a/hutool-setting/pom.xml b/hutool-setting/pom.xml
index 6b9766c51..be30857a9 100644
--- a/hutool-setting/pom.xml
+++ b/hutool-setting/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.1</version>
+		<version>5.2.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-setting</artifactId>
diff --git a/hutool-socket/pom.xml b/hutool-socket/pom.xml
index e312d33d8..a551c9c26 100644
--- a/hutool-socket/pom.xml
+++ b/hutool-socket/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.1</version>
+		<version>5.2.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-socket</artifactId>
diff --git a/hutool-system/pom.xml b/hutool-system/pom.xml
index b35a1ff0e..96b68894e 100644
--- a/hutool-system/pom.xml
+++ b/hutool-system/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>cn.hutool</groupId>
 		<artifactId>hutool-parent</artifactId>
-		<version>5.2.1</version>
+		<version>5.2.2-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hutool-system</artifactId>
diff --git a/pom.xml b/pom.xml
index 1a3927b9a..ef23ce7e3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,7 +8,7 @@
 
 	<groupId>cn.hutool</groupId>
 	<artifactId>hutool-parent</artifactId>
-	<version>5.2.1</version>
+	<version>5.2.2-SNAPSHOT</version>
 	<name>hutool</name>
 	<description>提供丰富的Java工具方法</description>
 	<url>https://github.com/looly/hutool</url>