diff --git a/IJPay-AliPay/pom.xml b/IJPay-AliPay/pom.xml
index 7b219baa..3927613a 100644
--- a/IJPay-AliPay/pom.xml
+++ b/IJPay-AliPay/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>IJPay</artifactId>
         <groupId>com.github.javen205</groupId>
-        <version>2.8.3</version>
+        <version>2.8.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <packaging>jar</packaging>
diff --git a/IJPay-All/pom.xml b/IJPay-All/pom.xml
index 00cfdf89..e3c06928 100644
--- a/IJPay-All/pom.xml
+++ b/IJPay-All/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>IJPay</artifactId>
         <groupId>com.github.javen205</groupId>
-        <version>2.8.3</version>
+        <version>2.8.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <packaging>jar</packaging>
diff --git a/IJPay-Core/pom.xml b/IJPay-Core/pom.xml
index 24bca094..b0bb7186 100644
--- a/IJPay-Core/pom.xml
+++ b/IJPay-Core/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>IJPay</artifactId>
         <groupId>com.github.javen205</groupId>
-        <version>2.8.3</version>
+        <version>2.8.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <packaging>jar</packaging>
diff --git a/IJPay-Demo-JFinal/pom.xml b/IJPay-Demo-JFinal/pom.xml
index ca927a70..8fff45ab 100644
--- a/IJPay-Demo-JFinal/pom.xml
+++ b/IJPay-Demo-JFinal/pom.xml
@@ -16,7 +16,7 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <java.version>1.8</java.version>
 
-        <ijapy.version>2.8.3</ijapy.version>
+        <ijapy.version>2.8.4</ijapy.version>
         <jfinal.version>4.4</jfinal.version>
     </properties>
 
diff --git a/IJPay-Demo-SpringBoot/pom.xml b/IJPay-Demo-SpringBoot/pom.xml
index dedafdbf..cc82721e 100644
--- a/IJPay-Demo-SpringBoot/pom.xml
+++ b/IJPay-Demo-SpringBoot/pom.xml
@@ -19,7 +19,7 @@
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <java.version>1.8</java.version>
 
-        <ijapy.version>2.8.3</ijapy.version>
+        <ijapy.version>2.8.4</ijapy.version>
         <enjoy.version>4.3</enjoy.version>
         <fastjson.version>1.2.75</fastjson.version>
     </properties>
diff --git a/IJPay-JDPay/pom.xml b/IJPay-JDPay/pom.xml
index 3409b91a..59205450 100644
--- a/IJPay-JDPay/pom.xml
+++ b/IJPay-JDPay/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>IJPay</artifactId>
         <groupId>com.github.javen205</groupId>
-        <version>2.8.3</version>
+        <version>2.8.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <packaging>jar</packaging>
diff --git a/IJPay-PayPal/pom.xml b/IJPay-PayPal/pom.xml
index 8ab9ff62..7aeed28b 100644
--- a/IJPay-PayPal/pom.xml
+++ b/IJPay-PayPal/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>IJPay</artifactId>
         <groupId>com.github.javen205</groupId>
-        <version>2.8.3</version>
+        <version>2.8.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <packaging>jar</packaging>
diff --git a/IJPay-QQ/pom.xml b/IJPay-QQ/pom.xml
index d28296aa..d8917eaf 100644
--- a/IJPay-QQ/pom.xml
+++ b/IJPay-QQ/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>IJPay</artifactId>
         <groupId>com.github.javen205</groupId>
-        <version>2.8.3</version>
+        <version>2.8.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <packaging>jar</packaging>
diff --git a/IJPay-UnionPay/pom.xml b/IJPay-UnionPay/pom.xml
index 9f480abd..521ab249 100644
--- a/IJPay-UnionPay/pom.xml
+++ b/IJPay-UnionPay/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>IJPay</artifactId>
         <groupId>com.github.javen205</groupId>
-        <version>2.8.3</version>
+        <version>2.8.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <packaging>jar</packaging>
diff --git a/IJPay-WxPay/pom.xml b/IJPay-WxPay/pom.xml
index 73b8f726..c9484685 100644
--- a/IJPay-WxPay/pom.xml
+++ b/IJPay-WxPay/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>IJPay</artifactId>
         <groupId>com.github.javen205</groupId>
-        <version>2.8.3</version>
+        <version>2.8.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <packaging>jar</packaging>
diff --git a/IJPay-XPay/pom.xml b/IJPay-XPay/pom.xml
index d59a1e7f..91987d26 100644
--- a/IJPay-XPay/pom.xml
+++ b/IJPay-XPay/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>IJPay</artifactId>
         <groupId>com.github.javen205</groupId>
-        <version>2.8.3</version>
+        <version>2.8.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/pom.xml b/pom.xml
index b5b998d9..e7162a32 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
 
     <groupId>com.github.javen205</groupId>
     <artifactId>IJPay</artifactId>
-    <version>2.8.3</version>
+    <version>2.8.4</version>
     <name>IJPay</name>
     <description>IJPay 让支付触手可及(Easy Pay Library)</description>
     <url>https://github.com/Javen205/IJPay</url>