diff --git a/pom.xml b/pom.xml
index 1087fd8b9..4951ddb0f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.github.binarywang</groupId>
   <artifactId>wx-java</artifactId>
-  <version>4.2.0</version>
+  <version>4.2.1.B</version>
   <packaging>pom</packaging>
   <name>WxJava - Weixin/Wechat Java SDK</name>
   <description>微信开发Java SDK</description>
diff --git a/spring-boot-starters/pom.xml b/spring-boot-starters/pom.xml
index c6fbf375f..d72a76653 100644
--- a/spring-boot-starters/pom.xml
+++ b/spring-boot-starters/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.github.binarywang</groupId>
     <artifactId>wx-java</artifactId>
-    <version>4.2.0</version>
+    <version>4.2.1.B</version>
   </parent>
   <packaging>pom</packaging>
   <artifactId>wx-java-spring-boot-starters</artifactId>
diff --git a/spring-boot-starters/wx-java-miniapp-spring-boot-starter/pom.xml b/spring-boot-starters/wx-java-miniapp-spring-boot-starter/pom.xml
index cd6e6da4b..f315b912b 100644
--- a/spring-boot-starters/wx-java-miniapp-spring-boot-starter/pom.xml
+++ b/spring-boot-starters/wx-java-miniapp-spring-boot-starter/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <artifactId>wx-java-spring-boot-starters</artifactId>
     <groupId>com.github.binarywang</groupId>
-    <version>4.2.0</version>
+    <version>4.2.1.B</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/spring-boot-starters/wx-java-mp-spring-boot-starter/pom.xml b/spring-boot-starters/wx-java-mp-spring-boot-starter/pom.xml
index aceef96ca..5b019981b 100644
--- a/spring-boot-starters/wx-java-mp-spring-boot-starter/pom.xml
+++ b/spring-boot-starters/wx-java-mp-spring-boot-starter/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <artifactId>wx-java-spring-boot-starters</artifactId>
     <groupId>com.github.binarywang</groupId>
-    <version>4.2.0</version>
+    <version>4.2.1.B</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/spring-boot-starters/wx-java-open-spring-boot-starter/pom.xml b/spring-boot-starters/wx-java-open-spring-boot-starter/pom.xml
index 78fc9bdc4..57a168eda 100644
--- a/spring-boot-starters/wx-java-open-spring-boot-starter/pom.xml
+++ b/spring-boot-starters/wx-java-open-spring-boot-starter/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <artifactId>wx-java-spring-boot-starters</artifactId>
     <groupId>com.github.binarywang</groupId>
-    <version>4.2.0</version>
+    <version>4.2.1.B</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/spring-boot-starters/wx-java-pay-spring-boot-starter/pom.xml b/spring-boot-starters/wx-java-pay-spring-boot-starter/pom.xml
index 588f4b8f5..7438d5648 100644
--- a/spring-boot-starters/wx-java-pay-spring-boot-starter/pom.xml
+++ b/spring-boot-starters/wx-java-pay-spring-boot-starter/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <artifactId>wx-java-spring-boot-starters</artifactId>
     <groupId>com.github.binarywang</groupId>
-    <version>4.2.0</version>
+    <version>4.2.1.B</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/spring-boot-starters/wx-java-qidian-spring-boot-starter/pom.xml b/spring-boot-starters/wx-java-qidian-spring-boot-starter/pom.xml
index 63cf2f2a5..27db96aac 100644
--- a/spring-boot-starters/wx-java-qidian-spring-boot-starter/pom.xml
+++ b/spring-boot-starters/wx-java-qidian-spring-boot-starter/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>wx-java-spring-boot-starters</artifactId>
     <groupId>com.github.binarywang</groupId>
-    <version>4.2.0</version>
+    <version>4.2.1.B</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/weixin-graal/pom.xml b/weixin-graal/pom.xml
index 7b5d9ad66..73c9e8e06 100644
--- a/weixin-graal/pom.xml
+++ b/weixin-graal/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.github.binarywang</groupId>
     <artifactId>wx-java</artifactId>
-    <version>4.2.0</version>
+    <version>4.2.1.B</version>
   </parent>
 
   <artifactId>weixin-graal</artifactId>
diff --git a/weixin-java-common/pom.xml b/weixin-java-common/pom.xml
index c5b0918c9..4b5897634 100644
--- a/weixin-java-common/pom.xml
+++ b/weixin-java-common/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.github.binarywang</groupId>
     <artifactId>wx-java</artifactId>
-    <version>4.2.0</version>
+    <version>4.2.1.B</version>
   </parent>
 
   <artifactId>weixin-java-common</artifactId>
diff --git a/weixin-java-cp/pom.xml b/weixin-java-cp/pom.xml
index 85b573866..dcee208bc 100644
--- a/weixin-java-cp/pom.xml
+++ b/weixin-java-cp/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>com.github.binarywang</groupId>
     <artifactId>wx-java</artifactId>
-    <version>4.2.0</version>
+    <version>4.2.1.B</version>
   </parent>
 
   <artifactId>weixin-java-cp</artifactId>
diff --git a/weixin-java-miniapp/pom.xml b/weixin-java-miniapp/pom.xml
index 39d3442b4..b28e10094 100644
--- a/weixin-java-miniapp/pom.xml
+++ b/weixin-java-miniapp/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>com.github.binarywang</groupId>
     <artifactId>wx-java</artifactId>
-    <version>4.2.0</version>
+    <version>4.2.1.B</version>
   </parent>
 
   <artifactId>weixin-java-miniapp</artifactId>
diff --git a/weixin-java-mp/pom.xml b/weixin-java-mp/pom.xml
index 86b562160..4d2938203 100644
--- a/weixin-java-mp/pom.xml
+++ b/weixin-java-mp/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>com.github.binarywang</groupId>
     <artifactId>wx-java</artifactId>
-    <version>4.2.0</version>
+    <version>4.2.1.B</version>
   </parent>
 
   <artifactId>weixin-java-mp</artifactId>
diff --git a/weixin-java-open/pom.xml b/weixin-java-open/pom.xml
index 1676d1c01..797c41918 100644
--- a/weixin-java-open/pom.xml
+++ b/weixin-java-open/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>com.github.binarywang</groupId>
     <artifactId>wx-java</artifactId>
-    <version>4.2.0</version>
+    <version>4.2.1.B</version>
   </parent>
 
   <artifactId>weixin-java-open</artifactId>
diff --git a/weixin-java-pay/pom.xml b/weixin-java-pay/pom.xml
index b6f9dfb24..42f129cbb 100644
--- a/weixin-java-pay/pom.xml
+++ b/weixin-java-pay/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.github.binarywang</groupId>
     <artifactId>wx-java</artifactId>
-    <version>4.2.0</version>
+    <version>4.2.1.B</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/weixin-java-qidian/pom.xml b/weixin-java-qidian/pom.xml
index 4576f6918..989213752 100644
--- a/weixin-java-qidian/pom.xml
+++ b/weixin-java-qidian/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>com.github.binarywang</groupId>
     <artifactId>wx-java</artifactId>
-    <version>4.2.0</version>
+    <version>4.2.1.B</version>
   </parent>
 
   <artifactId>weixin-java-qidian</artifactId>