diff --git a/VERSION b/VERSION
index 004c0a8b..b1259eef 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.2.75-release
+1.2.76-release
diff --git a/examples/generic/pom.xml b/examples/generic/pom.xml
index 7f5b8d90..86165f6a 100644
--- a/examples/generic/pom.xml
+++ b/examples/generic/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -19,7 +19,7 @@
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
     </dependencies>
 </project>
diff --git a/examples/uhost/pom.xml b/examples/uhost/pom.xml
index 46e32a5e..778fe728 100644
--- a/examples/uhost/pom.xml
+++ b/examples/uhost/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -19,7 +19,7 @@
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-uhost</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
     </dependencies>
 </project>
diff --git a/pom.xml b/pom.xml
index ca04aac7..b3d1ee7d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
     <groupId>cn.ucloud</groupId>
     <artifactId>ucloud-sdk-java</artifactId>
     <packaging>pom</packaging>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
     <modules>
         <module>ucloud-sdk-java-common</module>
         <module>ucloud-sdk-java-cloudwatch</module>
diff --git a/ucloud-sdk-java-cloudwatch/pom.xml b/ucloud-sdk-java-cloudwatch/pom.xml
index 761d37a1..caaa1d8d 100644
--- a/ucloud-sdk-java-cloudwatch/pom.xml
+++ b/ucloud-sdk-java-cloudwatch/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-cloudwatch</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-common/pom.xml b/ucloud-sdk-java-common/pom.xml
index 9056bdc1..e4eec564 100644
--- a/ucloud-sdk-java-common/pom.xml
+++ b/ucloud-sdk-java-common/pom.xml
@@ -7,13 +7,13 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-common</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
diff --git a/ucloud-sdk-java-cube/pom.xml b/ucloud-sdk-java-cube/pom.xml
index 65688373..b9e69b20 100644
--- a/ucloud-sdk-java-cube/pom.xml
+++ b/ucloud-sdk-java-cube/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-cube</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-ipsecvpn/pom.xml b/ucloud-sdk-java-ipsecvpn/pom.xml
index 93edc003..0ad49496 100644
--- a/ucloud-sdk-java-ipsecvpn/pom.xml
+++ b/ucloud-sdk-java-ipsecvpn/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-ipsecvpn</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-label/pom.xml b/ucloud-sdk-java-label/pom.xml
index 3d598b16..8f15e356 100644
--- a/ucloud-sdk-java-label/pom.xml
+++ b/ucloud-sdk-java-label/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-label</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-nlb/pom.xml b/ucloud-sdk-java-nlb/pom.xml
index 1386c010..f74fd573 100644
--- a/ucloud-sdk-java-nlb/pom.xml
+++ b/ucloud-sdk-java-nlb/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-nlb</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-pathx/pom.xml b/ucloud-sdk-java-pathx/pom.xml
index c4aca40b..a995bed6 100644
--- a/ucloud-sdk-java-pathx/pom.xml
+++ b/ucloud-sdk-java-pathx/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-pathx</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-sts/pom.xml b/ucloud-sdk-java-sts/pom.xml
index 9e909458..c45d21bc 100644
--- a/ucloud-sdk-java-sts/pom.xml
+++ b/ucloud-sdk-java-sts/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-sts</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-tidb/pom.xml b/ucloud-sdk-java-tidb/pom.xml
index e6e568cc..c3c36f34 100644
--- a/ucloud-sdk-java-tidb/pom.xml
+++ b/ucloud-sdk-java-tidb/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-tidb</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-uaccount/pom.xml b/ucloud-sdk-java-uaccount/pom.xml
index 4116d412..99efa032 100644
--- a/ucloud-sdk-java-uaccount/pom.xml
+++ b/ucloud-sdk-java-uaccount/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-uaccount</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-uai_modelverse/pom.xml b/ucloud-sdk-java-uai_modelverse/pom.xml
index d4486c0d..999cfbe4 100644
--- a/ucloud-sdk-java-uai_modelverse/pom.xml
+++ b/ucloud-sdk-java-uai_modelverse/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-uai_modelverse</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-uas/pom.xml b/ucloud-sdk-java-uas/pom.xml
index 98c7e426..4110136f 100644
--- a/ucloud-sdk-java-uas/pom.xml
+++ b/ucloud-sdk-java-uas/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-uas</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-ubill/pom.xml b/ucloud-sdk-java-ubill/pom.xml
index a2b0177b..a86ff5ec 100644
--- a/ucloud-sdk-java-ubill/pom.xml
+++ b/ucloud-sdk-java-ubill/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-ubill</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-ucdn/pom.xml b/ucloud-sdk-java-ucdn/pom.xml
index 0c429847..8a563188 100644
--- a/ucloud-sdk-java-ucdn/pom.xml
+++ b/ucloud-sdk-java-ucdn/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-ucdn</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-uclickhouse/pom.xml b/ucloud-sdk-java-uclickhouse/pom.xml
index 268686ac..5a3ca41e 100644
--- a/ucloud-sdk-java-uclickhouse/pom.xml
+++ b/ucloud-sdk-java-uclickhouse/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-uclickhouse</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-ucompshare/pom.xml b/ucloud-sdk-java-ucompshare/pom.xml
index c0ce7ca7..8276246d 100644
--- a/ucloud-sdk-java-ucompshare/pom.xml
+++ b/ucloud-sdk-java-ucompshare/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-ucompshare</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-udb/pom.xml b/ucloud-sdk-java-udb/pom.xml
index cf193f6d..52612893 100644
--- a/ucloud-sdk-java-udb/pom.xml
+++ b/ucloud-sdk-java-udb/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-udb</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-udbproxy/pom.xml b/ucloud-sdk-java-udbproxy/pom.xml
index b05aa80f..25812b39 100644
--- a/ucloud-sdk-java-udbproxy/pom.xml
+++ b/ucloud-sdk-java-udbproxy/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-udbproxy</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-udi/pom.xml b/ucloud-sdk-java-udi/pom.xml
index ac33aae0..6b92d947 100644
--- a/ucloud-sdk-java-udi/pom.xml
+++ b/ucloud-sdk-java-udi/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-udi</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-udisk/pom.xml b/ucloud-sdk-java-udisk/pom.xml
index 7fdb8f18..d23b5251 100644
--- a/ucloud-sdk-java-udisk/pom.xml
+++ b/ucloud-sdk-java-udisk/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-udisk</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-udns/pom.xml b/ucloud-sdk-java-udns/pom.xml
index 94611603..e95fd52e 100644
--- a/ucloud-sdk-java-udns/pom.xml
+++ b/ucloud-sdk-java-udns/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-udns</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-udpn/pom.xml b/ucloud-sdk-java-udpn/pom.xml
index d59c8b48..3f647649 100644
--- a/ucloud-sdk-java-udpn/pom.xml
+++ b/ucloud-sdk-java-udpn/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-udpn</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-uec/pom.xml b/ucloud-sdk-java-uec/pom.xml
index 6234c9c5..f8a6b583 100644
--- a/ucloud-sdk-java-uec/pom.xml
+++ b/ucloud-sdk-java-uec/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-uec</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-ues/pom.xml b/ucloud-sdk-java-ues/pom.xml
index a43012ea..25b7de8c 100644
--- a/ucloud-sdk-java-ues/pom.xml
+++ b/ucloud-sdk-java-ues/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-ues</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-uewaf/pom.xml b/ucloud-sdk-java-uewaf/pom.xml
index 7997617f..c6719900 100644
--- a/ucloud-sdk-java-uewaf/pom.xml
+++ b/ucloud-sdk-java-uewaf/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-uewaf</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-ufile/pom.xml b/ucloud-sdk-java-ufile/pom.xml
index afeef573..37aba104 100644
--- a/ucloud-sdk-java-ufile/pom.xml
+++ b/ucloud-sdk-java-ufile/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-ufile</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-ufs/pom.xml b/ucloud-sdk-java-ufs/pom.xml
index c3ebdd7b..46663984 100644
--- a/ucloud-sdk-java-ufs/pom.xml
+++ b/ucloud-sdk-java-ufs/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-ufs</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-uhadoop/pom.xml b/ucloud-sdk-java-uhadoop/pom.xml
index 5227774e..2f17276c 100644
--- a/ucloud-sdk-java-uhadoop/pom.xml
+++ b/ucloud-sdk-java-uhadoop/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-uhadoop</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-uhids/pom.xml b/ucloud-sdk-java-uhids/pom.xml
index 2ad46e9e..3d2cfc5b 100644
--- a/ucloud-sdk-java-uhids/pom.xml
+++ b/ucloud-sdk-java-uhids/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-uhids</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-uhost/pom.xml b/ucloud-sdk-java-uhost/pom.xml
index 089fa0ac..f9377401 100644
--- a/ucloud-sdk-java-uhost/pom.xml
+++ b/ucloud-sdk-java-uhost/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-uhost</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-uk8s/pom.xml b/ucloud-sdk-java-uk8s/pom.xml
index c951b308..634d246a 100644
--- a/ucloud-sdk-java-uk8s/pom.xml
+++ b/ucloud-sdk-java-uk8s/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-uk8s</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-ukafka/pom.xml b/ucloud-sdk-java-ukafka/pom.xml
index 4a8ba4a1..cf9d9365 100644
--- a/ucloud-sdk-java-ukafka/pom.xml
+++ b/ucloud-sdk-java-ukafka/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-ukafka</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-ulb/pom.xml b/ucloud-sdk-java-ulb/pom.xml
index 02c82428..07514e13 100644
--- a/ucloud-sdk-java-ulb/pom.xml
+++ b/ucloud-sdk-java-ulb/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-ulb</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-ulb/src/main/java/cn/ucloud/ulb/models/CreateRuleRequest.java b/ucloud-sdk-java-ulb/src/main/java/cn/ucloud/ulb/models/CreateRuleRequest.java
index 9074a71b..bea577ca 100644
--- a/ucloud-sdk-java-ulb/src/main/java/cn/ucloud/ulb/models/CreateRuleRequest.java
+++ b/ucloud-sdk-java-ulb/src/main/java/cn/ucloud/ulb/models/CreateRuleRequest.java
@@ -150,6 +150,14 @@ public static class RuleActions extends Request {
         @UCloudParam("FixedResponseConfig")
         private RuleActionsFixedResponseConfig fixedResponseConfig;
 
+        /** */
+        @UCloudParam("ProxyBufferingConfig")
+        private RuleActionsProxyBufferingConfig proxyBufferingConfig;
+
+        /** */
+        @UCloudParam("BackendConnectionConfig")
+        private RuleActionsBackendConnectionConfig backendConnectionConfig;
+
         public String getType() {
             return type;
         }
@@ -205,6 +213,38 @@ public RuleActionsFixedResponseConfig getFixedResponseConfig() {
         public void setFixedResponseConfig(RuleActionsFixedResponseConfig fixedResponseConfig) {
             this.fixedResponseConfig = fixedResponseConfig;
         }
+
+        public RuleActionsProxyBufferingConfig getProxyBufferingConfig() {
+            return proxyBufferingConfig;
+        }
+
+        public void setProxyBufferingConfig(RuleActionsProxyBufferingConfig proxyBufferingConfig) {
+            this.proxyBufferingConfig = proxyBufferingConfig;
+        }
+
+        public RuleActionsBackendConnectionConfig getBackendConnectionConfig() {
+            return backendConnectionConfig;
+        }
+
+        public void setBackendConnectionConfig(
+                RuleActionsBackendConnectionConfig backendConnectionConfig) {
+            this.backendConnectionConfig = backendConnectionConfig;
+        }
+    }
+
+    public static class RuleActionsBackendConnectionConfig extends Request {
+
+        /** 开启长连接 */
+        @UCloudParam("EnablePersistentConnection")
+        private Boolean enablePersistentConnection;
+
+        public Boolean getEnablePersistentConnection() {
+            return enablePersistentConnection;
+        }
+
+        public void setEnablePersistentConnection(Boolean enablePersistentConnection) {
+            this.enablePersistentConnection = enablePersistentConnection;
+        }
     }
 
     public static class RuleActionsCorsConfig extends Request {
@@ -438,6 +478,21 @@ public void setValue(String value) {
         }
     }
 
+    public static class RuleActionsProxyBufferingConfig extends Request {
+
+        /** 关闭缓存 */
+        @UCloudParam("CloseProxyBuffering")
+        private Boolean closeProxyBuffering;
+
+        public Boolean getCloseProxyBuffering() {
+            return closeProxyBuffering;
+        }
+
+        public void setCloseProxyBuffering(Boolean closeProxyBuffering) {
+            this.closeProxyBuffering = closeProxyBuffering;
+        }
+    }
+
     public static class RuleActionsRemoveHeaderConfig extends Request {
 
         /**
diff --git a/ucloud-sdk-java-ulb/src/main/java/cn/ucloud/ulb/models/DescribeListenersResponse.java b/ucloud-sdk-java-ulb/src/main/java/cn/ucloud/ulb/models/DescribeListenersResponse.java
index b4b8056f..18c86f6c 100644
--- a/ucloud-sdk-java-ulb/src/main/java/cn/ucloud/ulb/models/DescribeListenersResponse.java
+++ b/ucloud-sdk-java-ulb/src/main/java/cn/ucloud/ulb/models/DescribeListenersResponse.java
@@ -45,6 +45,21 @@ public void setListeners(List<Listener> listeners) {
         this.listeners = listeners;
     }
 
+    public static class BackendConnectionConfig extends Response {
+
+        /** 是否开启长连接 */
+        @SerializedName("EnablePersistentConnection")
+        private Boolean enablePersistentConnection;
+
+        public Boolean getEnablePersistentConnection() {
+            return enablePersistentConnection;
+        }
+
+        public void setEnablePersistentConnection(Boolean enablePersistentConnection) {
+            this.enablePersistentConnection = enablePersistentConnection;
+        }
+    }
+
     public static class Certificate extends Response {
 
         /** 证书ID */
@@ -241,30 +256,54 @@ public void setWeight(Integer weight) {
 
     public static class HealthCheckConfigSet extends Response {
 
-        /** 是否开启健康检查功能。暂时不支持关闭。 默认值为：true */
+        /** 是否开启健康检查功能。 默认值为：true */
         @SerializedName("Enabled")
         private Boolean enabled;
 
-        /** 健康检查方式。应用型限定取值： Port -> 端口检查；HTTP -> HTTP检查； 默认值：Port */
+        /** 健康检查方式。应用型限定取值： Port -> 端口检查；HTTP -> HTTP检查；GRPC -> GRPC检测； 默认值：Port */
         @SerializedName("Type")
         private String type;
 
-        /** （应用型专用）HTTP检查域名。 当Type为HTTP时，此字段有意义，代表HTTP检查域名 */
+        /** （应用型专用）HTTP检查域名。 当Type为HTTP/GRPC时，此字段有意义，代表HTTP检查域名 */
         @SerializedName("Domain")
         private String domain;
 
-        /** （应用型专用）HTTP检查路径。当Type为HTTP时，此字段有意义，代表HTTP检查路径 */
+        /** （应用型专用）HTTP检查路径。当Type为HTTP/GRPC时，此字段有意义，代表HTTP检查路径 */
         @SerializedName("Path")
         private String path;
 
-        /** （应用型专用）HTTP检查方法。当Type为HTTP时，此字段有意义，代表HTTP检查方法 */
+        /** （应用型专用）HTTP检查方法。当Type为HTTP/GRPC时，此字段有意义，代表HTTP检查方法 */
         @SerializedName("Method")
         private String method;
 
-        /** （应用型专用）GRPC检查响应码。当Type为GRPC时，此字段有意义，代表GRPC检查响应码 */
+        /** （应用型专用）检查预期状态码。HTTP时为2xx,3xx格式(逗号分隔)，GRPC时为数字码(逗号分隔)。 */
         @SerializedName("ResponseCode")
         private String responseCode;
 
+        /** （应用型专用）检查协议 */
+        @SerializedName("HTTPVersion")
+        private String httpVersion;
+
+        /** （应用型专用）端口 */
+        @SerializedName("Port")
+        private Integer port;
+
+        /** （应用型专用）超时时间，秒，必须小于Interval */
+        @SerializedName("TimeOut")
+        private Integer timeOut;
+
+        /** （应用型专用）间隔时间，秒，必须大于TimeOut */
+        @SerializedName("Interval")
+        private Integer interval;
+
+        /** （应用型专用）判定成功的连续次数 */
+        @SerializedName("UpCounts")
+        private Integer upCounts;
+
+        /** （应用型专用）判定失败的连续次数 */
+        @SerializedName("DownCounts")
+        private Integer downCounts;
+
         public Boolean getEnabled() {
             return enabled;
         }
@@ -312,6 +351,54 @@ public String getResponseCode() {
         public void setResponseCode(String responseCode) {
             this.responseCode = responseCode;
         }
+
+        public String getHTTPVersion() {
+            return httpVersion;
+        }
+
+        public void setHTTPVersion(String httpVersion) {
+            this.httpVersion = httpVersion;
+        }
+
+        public Integer getPort() {
+            return port;
+        }
+
+        public void setPort(Integer port) {
+            this.port = port;
+        }
+
+        public Integer getTimeOut() {
+            return timeOut;
+        }
+
+        public void setTimeOut(Integer timeOut) {
+            this.timeOut = timeOut;
+        }
+
+        public Integer getInterval() {
+            return interval;
+        }
+
+        public void setInterval(Integer interval) {
+            this.interval = interval;
+        }
+
+        public Integer getUpCounts() {
+            return upCounts;
+        }
+
+        public void setUpCounts(Integer upCounts) {
+            this.upCounts = upCounts;
+        }
+
+        public Integer getDownCounts() {
+            return downCounts;
+        }
+
+        public void setDownCounts(Integer downCounts) {
+            this.downCounts = downCounts;
+        }
     }
 
     public static class HostConfigSet extends Response {
@@ -484,6 +571,10 @@ public static class Listener extends Response {
         @SerializedName("State")
         private String state;
 
+        /** 后端协议。应用型限定取值：“HTTP,HTTPS,GRPC"，默认值“HTTP” */
+        @SerializedName("TargetProtocol")
+        private String targetProtocol;
+
         public String getListenerId() {
             return listenerId;
         }
@@ -627,6 +718,14 @@ public String getState() {
         public void setState(String state) {
             this.state = state;
         }
+
+        public String getTargetProtocol() {
+            return targetProtocol;
+        }
+
+        public void setTargetProtocol(String targetProtocol) {
+            this.targetProtocol = targetProtocol;
+        }
     }
 
     public static class PathConfigSet extends Response {
@@ -644,6 +743,21 @@ public void setValues(List<String> values) {
         }
     }
 
+    public static class ProxyBufferingConfig extends Response {
+
+        /** 关闭缓存 */
+        @SerializedName("CloseProxyBuffering")
+        private Boolean closeProxyBuffering;
+
+        public Boolean getCloseProxyBuffering() {
+            return closeProxyBuffering;
+        }
+
+        public void setCloseProxyBuffering(Boolean closeProxyBuffering) {
+            this.closeProxyBuffering = closeProxyBuffering;
+        }
+    }
+
     public static class RemoveHeaderConfigSet extends Response {
 
         /**
@@ -759,6 +873,14 @@ public static class RuleAction extends Response {
         @SerializedName("Order")
         private Integer order;
 
+        /** 关闭缓存 */
+        @SerializedName("ProxyBufferingConfig")
+        private ProxyBufferingConfig proxyBufferingConfig;
+
+        /** 开启长连接 */
+        @SerializedName("BackendConnectionConfig")
+        private BackendConnectionConfig backendConnectionConfig;
+
         public String getType() {
             return type;
         }
@@ -814,6 +936,22 @@ public Integer getOrder() {
         public void setOrder(Integer order) {
             this.order = order;
         }
+
+        public ProxyBufferingConfig getProxyBufferingConfig() {
+            return proxyBufferingConfig;
+        }
+
+        public void setProxyBufferingConfig(ProxyBufferingConfig proxyBufferingConfig) {
+            this.proxyBufferingConfig = proxyBufferingConfig;
+        }
+
+        public BackendConnectionConfig getBackendConnectionConfig() {
+            return backendConnectionConfig;
+        }
+
+        public void setBackendConnectionConfig(BackendConnectionConfig backendConnectionConfig) {
+            this.backendConnectionConfig = backendConnectionConfig;
+        }
     }
 
     public static class RuleCondition extends Response {
diff --git a/ucloud-sdk-java-ulb/src/main/java/cn/ucloud/ulb/models/DescribeLoadBalancersResponse.java b/ucloud-sdk-java-ulb/src/main/java/cn/ucloud/ulb/models/DescribeLoadBalancersResponse.java
index 8ba5fa4c..f9415daf 100644
--- a/ucloud-sdk-java-ulb/src/main/java/cn/ucloud/ulb/models/DescribeLoadBalancersResponse.java
+++ b/ucloud-sdk-java-ulb/src/main/java/cn/ucloud/ulb/models/DescribeLoadBalancersResponse.java
@@ -84,6 +84,21 @@ public void setUS3TokenId(String us3TokenId) {
         }
     }
 
+    public static class BackendConnectionConfig extends Response {
+
+        /** 是否开启长连接 */
+        @SerializedName("EnablePersistentConnection")
+        private Boolean enablePersistentConnection;
+
+        public Boolean getEnablePersistentConnection() {
+            return enablePersistentConnection;
+        }
+
+        public void setEnablePersistentConnection(Boolean enablePersistentConnection) {
+            this.enablePersistentConnection = enablePersistentConnection;
+        }
+    }
+
     public static class Certificate extends Response {
 
         /** 证书ID */
@@ -307,30 +322,54 @@ public void setWeight(Integer weight) {
 
     public static class HealthCheckConfigSet extends Response {
 
-        /** 是否开启健康检查功能。暂时不支持关闭。 默认值为：true */
+        /** 是否开启健康检查功能。 默认值为：true */
         @SerializedName("Enabled")
         private Boolean enabled;
 
-        /** 健康检查方式。应用型限定取值： Port -> 端口检查；HTTP -> HTTP检查； 默认值：Port */
+        /** 健康检查方式。应用型限定取值： Port -> 端口检查；HTTP -> HTTP检查；GRPC -> GRPC检测； 默认值：Port */
         @SerializedName("Type")
         private String type;
 
-        /** （应用型专用）HTTP检查域名。 当Type为HTTP时，此字段有意义，代表HTTP检查域名 */
+        /** （应用型专用）HTTP检查域名。 当Type为HTTP/GRPC时，此字段有意义，代表HTTP检查域名 */
         @SerializedName("Domain")
         private String domain;
 
-        /** （应用型专用）HTTP检查路径。当Type为HTTP时，此字段有意义，代表HTTP检查路径 */
+        /** （应用型专用）HTTP检查路径。当Type为HTTP/GRPC时，此字段有意义，代表HTTP检查路径 */
         @SerializedName("Path")
         private String path;
 
-        /** （应用型专用）HTTP检查方法。当Type为HTTP时，此字段有意义，代表HTTP检查方法 */
+        /** （应用型专用）HTTP检查方法。当Type为HTTP/GRPC时，此字段有意义，代表HTTP检查方法 */
         @SerializedName("Method")
         private String method;
 
-        /** （应用型专用）GRPC检查响应码。当Type为GRPC时，此字段有意义，代表GRPC检查响应码 */
+        /** （应用型专用）检查预期状态码。HTTP时为2xx,3xx格式(逗号分隔)，GRPC时为数字码(逗号分隔)。 */
         @SerializedName("ResponseCode")
         private String responseCode;
 
+        /** （应用型专用）检查协议 */
+        @SerializedName("HTTPVersion")
+        private String httpVersion;
+
+        /** （应用型专用）端口 */
+        @SerializedName("Port")
+        private Integer port;
+
+        /** （应用型专用）超时时间，秒，必须小于Interval */
+        @SerializedName("TimeOut")
+        private Integer timeOut;
+
+        /** （应用型专用）间隔时间，秒，必须大于TimeOut */
+        @SerializedName("Interval")
+        private Integer interval;
+
+        /** （应用型专用）判定成功的连续次数 */
+        @SerializedName("UpCounts")
+        private Integer upCounts;
+
+        /** （应用型专用）判定失败的连续次数 */
+        @SerializedName("DownCounts")
+        private Integer downCounts;
+
         public Boolean getEnabled() {
             return enabled;
         }
@@ -378,6 +417,54 @@ public String getResponseCode() {
         public void setResponseCode(String responseCode) {
             this.responseCode = responseCode;
         }
+
+        public String getHTTPVersion() {
+            return httpVersion;
+        }
+
+        public void setHTTPVersion(String httpVersion) {
+            this.httpVersion = httpVersion;
+        }
+
+        public Integer getPort() {
+            return port;
+        }
+
+        public void setPort(Integer port) {
+            this.port = port;
+        }
+
+        public Integer getTimeOut() {
+            return timeOut;
+        }
+
+        public void setTimeOut(Integer timeOut) {
+            this.timeOut = timeOut;
+        }
+
+        public Integer getInterval() {
+            return interval;
+        }
+
+        public void setInterval(Integer interval) {
+            this.interval = interval;
+        }
+
+        public Integer getUpCounts() {
+            return upCounts;
+        }
+
+        public void setUpCounts(Integer upCounts) {
+            this.upCounts = upCounts;
+        }
+
+        public Integer getDownCounts() {
+            return downCounts;
+        }
+
+        public void setDownCounts(Integer downCounts) {
+            this.downCounts = downCounts;
+        }
     }
 
     public static class HostConfigSet extends Response {
@@ -640,6 +727,10 @@ public static class Listener extends Response {
         @SerializedName("State")
         private String state;
 
+        /** 后端协议。应用型限定取值：“HTTP,HTTPS,GRPC"，默认值“HTTP” */
+        @SerializedName("TargetProtocol")
+        private String targetProtocol;
+
         public String getListenerId() {
             return listenerId;
         }
@@ -783,6 +874,14 @@ public String getState() {
         public void setState(String state) {
             this.state = state;
         }
+
+        public String getTargetProtocol() {
+            return targetProtocol;
+        }
+
+        public void setTargetProtocol(String targetProtocol) {
+            this.targetProtocol = targetProtocol;
+        }
     }
 
     public static class LoadBalancer extends Response {
@@ -1031,6 +1130,21 @@ public void setValues(List<String> values) {
         }
     }
 
+    public static class ProxyBufferingConfig extends Response {
+
+        /** 关闭缓存 */
+        @SerializedName("CloseProxyBuffering")
+        private Boolean closeProxyBuffering;
+
+        public Boolean getCloseProxyBuffering() {
+            return closeProxyBuffering;
+        }
+
+        public void setCloseProxyBuffering(Boolean closeProxyBuffering) {
+            this.closeProxyBuffering = closeProxyBuffering;
+        }
+    }
+
     public static class RemoveHeaderConfigSet extends Response {
 
         /**
@@ -1146,6 +1260,14 @@ public static class RuleAction extends Response {
         @SerializedName("Order")
         private Integer order;
 
+        /** 关闭缓存 */
+        @SerializedName("ProxyBufferingConfig")
+        private ProxyBufferingConfig proxyBufferingConfig;
+
+        /** 开启长连接 */
+        @SerializedName("BackendConnectionConfig")
+        private BackendConnectionConfig backendConnectionConfig;
+
         public String getType() {
             return type;
         }
@@ -1201,6 +1323,22 @@ public Integer getOrder() {
         public void setOrder(Integer order) {
             this.order = order;
         }
+
+        public ProxyBufferingConfig getProxyBufferingConfig() {
+            return proxyBufferingConfig;
+        }
+
+        public void setProxyBufferingConfig(ProxyBufferingConfig proxyBufferingConfig) {
+            this.proxyBufferingConfig = proxyBufferingConfig;
+        }
+
+        public BackendConnectionConfig getBackendConnectionConfig() {
+            return backendConnectionConfig;
+        }
+
+        public void setBackendConnectionConfig(BackendConnectionConfig backendConnectionConfig) {
+            this.backendConnectionConfig = backendConnectionConfig;
+        }
     }
 
     public static class RuleCondition extends Response {
diff --git a/ucloud-sdk-java-ulb/src/main/java/cn/ucloud/ulb/models/DescribeRulesResponse.java b/ucloud-sdk-java-ulb/src/main/java/cn/ucloud/ulb/models/DescribeRulesResponse.java
index fc8f0776..66868d4a 100644
--- a/ucloud-sdk-java-ulb/src/main/java/cn/ucloud/ulb/models/DescribeRulesResponse.java
+++ b/ucloud-sdk-java-ulb/src/main/java/cn/ucloud/ulb/models/DescribeRulesResponse.java
@@ -33,6 +33,21 @@ public void setRules(List<Rule> rules) {
         this.rules = rules;
     }
 
+    public static class BackendConnectionConfig extends Response {
+
+        /** 是否开启长连接 */
+        @SerializedName("EnablePersistentConnection")
+        private Boolean enablePersistentConnection;
+
+        public Boolean getEnablePersistentConnection() {
+            return enablePersistentConnection;
+        }
+
+        public void setEnablePersistentConnection(Boolean enablePersistentConnection) {
+            this.enablePersistentConnection = enablePersistentConnection;
+        }
+    }
+
     public static class CorsConfigSet extends Response {
 
         /**
@@ -308,6 +323,21 @@ public void setValues(List<String> values) {
         }
     }
 
+    public static class ProxyBufferingConfig extends Response {
+
+        /** 关闭缓存 */
+        @SerializedName("CloseProxyBuffering")
+        private Boolean closeProxyBuffering;
+
+        public Boolean getCloseProxyBuffering() {
+            return closeProxyBuffering;
+        }
+
+        public void setCloseProxyBuffering(Boolean closeProxyBuffering) {
+            this.closeProxyBuffering = closeProxyBuffering;
+        }
+    }
+
     public static class RemoveHeaderConfigSet extends Response {
 
         /**
@@ -423,6 +453,14 @@ public static class RuleAction extends Response {
         @SerializedName("Order")
         private Integer order;
 
+        /** 关闭缓存 */
+        @SerializedName("ProxyBufferingConfig")
+        private ProxyBufferingConfig proxyBufferingConfig;
+
+        /** 开启长连接 */
+        @SerializedName("BackendConnectionConfig")
+        private BackendConnectionConfig backendConnectionConfig;
+
         public String getType() {
             return type;
         }
@@ -478,6 +516,22 @@ public Integer getOrder() {
         public void setOrder(Integer order) {
             this.order = order;
         }
+
+        public ProxyBufferingConfig getProxyBufferingConfig() {
+            return proxyBufferingConfig;
+        }
+
+        public void setProxyBufferingConfig(ProxyBufferingConfig proxyBufferingConfig) {
+            this.proxyBufferingConfig = proxyBufferingConfig;
+        }
+
+        public BackendConnectionConfig getBackendConnectionConfig() {
+            return backendConnectionConfig;
+        }
+
+        public void setBackendConnectionConfig(BackendConnectionConfig backendConnectionConfig) {
+            this.backendConnectionConfig = backendConnectionConfig;
+        }
     }
 
     public static class RuleCondition extends Response {
diff --git a/ucloud-sdk-java-ulb/src/main/java/cn/ucloud/ulb/models/UpdateRuleAttributeRequest.java b/ucloud-sdk-java-ulb/src/main/java/cn/ucloud/ulb/models/UpdateRuleAttributeRequest.java
index d230d04f..e6da537c 100644
--- a/ucloud-sdk-java-ulb/src/main/java/cn/ucloud/ulb/models/UpdateRuleAttributeRequest.java
+++ b/ucloud-sdk-java-ulb/src/main/java/cn/ucloud/ulb/models/UpdateRuleAttributeRequest.java
@@ -159,6 +159,14 @@ public static class RuleActions extends Request {
         @UCloudParam("FixedResponseConfig")
         private RuleActionsFixedResponseConfig fixedResponseConfig;
 
+        /** */
+        @UCloudParam("ProxyBufferingConfig")
+        private RuleActionsProxyBufferingConfig proxyBufferingConfig;
+
+        /** */
+        @UCloudParam("BackendConnectionConfig")
+        private RuleActionsBackendConnectionConfig backendConnectionConfig;
+
         public String getType() {
             return type;
         }
@@ -214,6 +222,38 @@ public RuleActionsFixedResponseConfig getFixedResponseConfig() {
         public void setFixedResponseConfig(RuleActionsFixedResponseConfig fixedResponseConfig) {
             this.fixedResponseConfig = fixedResponseConfig;
         }
+
+        public RuleActionsProxyBufferingConfig getProxyBufferingConfig() {
+            return proxyBufferingConfig;
+        }
+
+        public void setProxyBufferingConfig(RuleActionsProxyBufferingConfig proxyBufferingConfig) {
+            this.proxyBufferingConfig = proxyBufferingConfig;
+        }
+
+        public RuleActionsBackendConnectionConfig getBackendConnectionConfig() {
+            return backendConnectionConfig;
+        }
+
+        public void setBackendConnectionConfig(
+                RuleActionsBackendConnectionConfig backendConnectionConfig) {
+            this.backendConnectionConfig = backendConnectionConfig;
+        }
+    }
+
+    public static class RuleActionsBackendConnectionConfig extends Request {
+
+        /** 开启长连接 */
+        @UCloudParam("EnablePersistentConnection")
+        private Boolean enablePersistentConnection;
+
+        public Boolean getEnablePersistentConnection() {
+            return enablePersistentConnection;
+        }
+
+        public void setEnablePersistentConnection(Boolean enablePersistentConnection) {
+            this.enablePersistentConnection = enablePersistentConnection;
+        }
     }
 
     public static class RuleActionsCorsConfig extends Request {
@@ -447,6 +487,21 @@ public void setValue(String value) {
         }
     }
 
+    public static class RuleActionsProxyBufferingConfig extends Request {
+
+        /** 关闭缓存 */
+        @UCloudParam("CloseProxyBuffering")
+        private Boolean closeProxyBuffering;
+
+        public Boolean getCloseProxyBuffering() {
+            return closeProxyBuffering;
+        }
+
+        public void setCloseProxyBuffering(Boolean closeProxyBuffering) {
+            this.closeProxyBuffering = closeProxyBuffering;
+        }
+    }
+
     public static class RuleActionsRemoveHeaderConfig extends Request {
 
         /**
diff --git a/ucloud-sdk-java-ulighthost/pom.xml b/ucloud-sdk-java-ulighthost/pom.xml
index 7976997c..09209050 100644
--- a/ucloud-sdk-java-ulighthost/pom.xml
+++ b/ucloud-sdk-java-ulighthost/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-ulighthost</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-ulog/pom.xml b/ucloud-sdk-java-ulog/pom.xml
index d5978fba..ce2f2a2c 100644
--- a/ucloud-sdk-java-ulog/pom.xml
+++ b/ucloud-sdk-java-ulog/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-ulog</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-umem/pom.xml b/ucloud-sdk-java-umem/pom.xml
index 447312e3..d672eb2d 100644
--- a/ucloud-sdk-java-umem/pom.xml
+++ b/ucloud-sdk-java-umem/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-umem</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-umon/pom.xml b/ucloud-sdk-java-umon/pom.xml
index e3b04aa6..489e5327 100644
--- a/ucloud-sdk-java-umon/pom.xml
+++ b/ucloud-sdk-java-umon/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-umon</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-umongodb/pom.xml b/ucloud-sdk-java-umongodb/pom.xml
index 817456f2..01b87620 100644
--- a/ucloud-sdk-java-umongodb/pom.xml
+++ b/ucloud-sdk-java-umongodb/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-umongodb</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-unet/pom.xml b/ucloud-sdk-java-unet/pom.xml
index cac85595..f4d36d46 100644
--- a/ucloud-sdk-java-unet/pom.xml
+++ b/ucloud-sdk-java-unet/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-unet</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-upfs/pom.xml b/ucloud-sdk-java-upfs/pom.xml
index 4eee89f5..42c40561 100644
--- a/ucloud-sdk-java-upfs/pom.xml
+++ b/ucloud-sdk-java-upfs/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-upfs</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-upgsql/pom.xml b/ucloud-sdk-java-upgsql/pom.xml
index 504f67e6..ef367576 100644
--- a/ucloud-sdk-java-upgsql/pom.xml
+++ b/ucloud-sdk-java-upgsql/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-upgsql</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-uphone/pom.xml b/ucloud-sdk-java-uphone/pom.xml
index ddc291e1..35a5ddd5 100644
--- a/ucloud-sdk-java-uphone/pom.xml
+++ b/ucloud-sdk-java-uphone/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-uphone</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-uphost/pom.xml b/ucloud-sdk-java-uphost/pom.xml
index 77264c13..33c1390e 100644
--- a/ucloud-sdk-java-uphost/pom.xml
+++ b/ucloud-sdk-java-uphost/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-uphost</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-uslk/pom.xml b/ucloud-sdk-java-uslk/pom.xml
index dd5cbb3d..7f510f5a 100644
--- a/ucloud-sdk-java-uslk/pom.xml
+++ b/ucloud-sdk-java-uslk/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-uslk</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-usms/pom.xml b/ucloud-sdk-java-usms/pom.xml
index 33a22863..0f897a56 100644
--- a/ucloud-sdk-java-usms/pom.xml
+++ b/ucloud-sdk-java-usms/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-usms</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-usnap/pom.xml b/ucloud-sdk-java-usnap/pom.xml
index 6702daed..8a045d48 100644
--- a/ucloud-sdk-java-usnap/pom.xml
+++ b/ucloud-sdk-java-usnap/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-usnap</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-uvms/pom.xml b/ucloud-sdk-java-uvms/pom.xml
index 2fa01341..b04addb0 100644
--- a/ucloud-sdk-java-uvms/pom.xml
+++ b/ucloud-sdk-java-uvms/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-uvms</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-uwsc/pom.xml b/ucloud-sdk-java-uwsc/pom.xml
index e4e3e77c..14371947 100644
--- a/ucloud-sdk-java-uwsc/pom.xml
+++ b/ucloud-sdk-java-uwsc/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-uwsc</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-vpc/pom.xml b/ucloud-sdk-java-vpc/pom.xml
index c9f8010c..832871a4 100644
--- a/ucloud-sdk-java-vpc/pom.xml
+++ b/ucloud-sdk-java-vpc/pom.xml
@@ -5,19 +5,19 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.75-release</version>
+        <version>1.2.76-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-vpc</artifactId>
     <name>ucloud-sdk-java</name>
-    <version>1.2.75-release</version>
+    <version>1.2.76-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.75-release</version>
+            <version>1.2.76-release</version>
         </dependency>
 
         <dependency>