diff --git a/pom.xml b/pom.xml
index 30a2a960..59ac23f0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>com.foxinmy</groupId>
 	<artifactId>weixin4j</artifactId>
-	<version>1.9.0</version>
+	<version>1.9.1-SNAPSHOT</version>
 	<packaging>pom</packaging>
 	<name>weixin4j</name>
 	<url>https://github.com/foxinmy/weixin4j</url>
diff --git a/weixin4j-base/pom.xml b/weixin4j-base/pom.xml
index 7896570a..7975ae11 100644
--- a/weixin4j-base/pom.xml
+++ b/weixin4j-base/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>com.foxinmy</groupId>
 		<artifactId>weixin4j</artifactId>
-		<version>1.9.0</version>
+		<version>1.9.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>weixin4j-base</artifactId>
 	<name>weixin4j-base</name>
diff --git a/weixin4j-example/pom.xml b/weixin4j-example/pom.xml
index 2d99f744..18aecf14 100644
--- a/weixin4j-example/pom.xml
+++ b/weixin4j-example/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>com.foxinmy</groupId>
 		<artifactId>weixin4j</artifactId>
-		<version>1.9.0</version>
+		<version>1.9.1-SNAPSHOT</version>
 	</parent>
 	<packaging>war</packaging>
 	<artifactId>weixin4j-example</artifactId>
diff --git a/weixin4j-mp/pom.xml b/weixin4j-mp/pom.xml
index 7efb0316..c960e2c4 100644
--- a/weixin4j-mp/pom.xml
+++ b/weixin4j-mp/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>com.foxinmy</groupId>
 		<artifactId>weixin4j</artifactId>
-		<version>1.9.0</version>
+		<version>1.9.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>weixin4j-mp</artifactId>
 	<name>weixin4j-mp</name>
diff --git a/weixin4j-pay/pom.xml b/weixin4j-pay/pom.xml
index 94f9b840..8c5fd6e1 100644
--- a/weixin4j-pay/pom.xml
+++ b/weixin4j-pay/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>weixin4j</artifactId>
         <groupId>com.foxinmy</groupId>
-        <version>1.9.0</version>
+        <version>1.9.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <name>weixin4j-pay</name>
diff --git a/weixin4j-qy/pom.xml b/weixin4j-qy/pom.xml
index 5dd69798..7038a9b1 100644
--- a/weixin4j-qy/pom.xml
+++ b/weixin4j-qy/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>com.foxinmy</groupId>
 		<artifactId>weixin4j</artifactId>
-		<version>1.9.0</version>
+		<version>1.9.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>weixin4j-qy</artifactId>
 	<name>weixin4j-qy</name>
diff --git a/weixin4j-server/pom.xml b/weixin4j-server/pom.xml
index e8c8cca9..5d4a140e 100644
--- a/weixin4j-server/pom.xml
+++ b/weixin4j-server/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>com.foxinmy</groupId>
 		<artifactId>weixin4j</artifactId>
-		<version>1.9.0</version>
+		<version>1.9.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>weixin4j-server</artifactId>
 	<name>weixin4j-server</name>
diff --git a/weixin4j-serverX/pom.xml b/weixin4j-serverX/pom.xml
index 892d1adf..ffa115c0 100644
--- a/weixin4j-serverX/pom.xml
+++ b/weixin4j-serverX/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>com.foxinmy</groupId>
 		<artifactId>weixin4j</artifactId>
-		<version>1.9.0</version>
+		<version>1.9.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>weixin4j-serverX</artifactId>
 	<name>weixin4j-serverX</name>
diff --git a/weixin4j-wxa/pom.xml b/weixin4j-wxa/pom.xml
index ddbefdbd..eec40947 100644
--- a/weixin4j-wxa/pom.xml
+++ b/weixin4j-wxa/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>com.foxinmy</groupId>
 		<artifactId>weixin4j</artifactId>
-		<version>1.9.0</version>
+		<version>1.9.1-SNAPSHOT</version>
 	</parent>
 	<artifactId>weixin4j-wxa</artifactId>
 	<name>weixin4j-wxa</name>