diff --git a/VERSION b/VERSION
index 7aea221d..935d74b6 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.2.7-release
+1.2.8-release
diff --git a/examples/generic/pom.xml b/examples/generic/pom.xml
index c88f4c2c..efdfb4f4 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>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -18,7 +18,7 @@
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
     </dependencies>
 </project>
diff --git a/examples/uhost/pom.xml b/examples/uhost/pom.xml
index d1726881..191d10f0 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>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
@@ -18,7 +18,7 @@
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-uhost</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
     </dependencies>
 </project>
diff --git a/pom.xml b/pom.xml
index 77374923..ee0a972d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
     <groupId>cn.ucloud</groupId>
     <artifactId>ucloud-sdk-java</artifactId>
     <packaging>pom</packaging>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
     <modules>
         <module>ucloud-sdk-java-common</module>
         <module>ucloud-sdk-java-ipsecvpn</module>
diff --git a/ucloud-sdk-java-common/pom.xml b/ucloud-sdk-java-common/pom.xml
index b903f8a1..8bce8b5b 100644
--- a/ucloud-sdk-java-common/pom.xml
+++ b/ucloud-sdk-java-common/pom.xml
@@ -7,12 +7,12 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-common</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
diff --git a/ucloud-sdk-java-common/src/main/java/cn/ucloud/common/client/Client.java b/ucloud-sdk-java-common/src/main/java/cn/ucloud/common/client/Client.java
index 8eea6555..7efd9a89 100644
--- a/ucloud-sdk-java-common/src/main/java/cn/ucloud/common/client/Client.java
+++ b/ucloud-sdk-java-common/src/main/java/cn/ucloud/common/client/Client.java
@@ -17,7 +17,9 @@
 import cn.ucloud.common.request.Request;
 import cn.ucloud.common.response.Response;
 
-public interface Client {
+import java.io.Closeable;
+
+public interface Client extends Closeable {
     /**
      * invoke api from request and response
      *
diff --git a/ucloud-sdk-java-common/src/main/java/cn/ucloud/common/client/DefaultClient.java b/ucloud-sdk-java-common/src/main/java/cn/ucloud/common/client/DefaultClient.java
index 9bb8c48f..538efa4b 100644
--- a/ucloud-sdk-java-common/src/main/java/cn/ucloud/common/client/DefaultClient.java
+++ b/ucloud-sdk-java-common/src/main/java/cn/ucloud/common/client/DefaultClient.java
@@ -27,6 +27,7 @@
 import cn.ucloud.common.transport.DefaultTransport;
 import cn.ucloud.common.transport.Transport;
 
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -135,4 +136,9 @@ public Credential getCredential() {
     public void setCredential(Credential credential) {
         this.credential = credential;
     }
+
+    @Override
+    public void close() throws IOException {
+        this.transport.close();
+    }
 }
diff --git a/ucloud-sdk-java-common/src/main/java/cn/ucloud/common/transport/DefaultTransport.java b/ucloud-sdk-java-common/src/main/java/cn/ucloud/common/transport/DefaultTransport.java
index ac31520c..f2650821 100644
--- a/ucloud-sdk-java-common/src/main/java/cn/ucloud/common/transport/DefaultTransport.java
+++ b/ucloud-sdk-java-common/src/main/java/cn/ucloud/common/transport/DefaultTransport.java
@@ -71,39 +71,32 @@ public Response invoke(Request request, Class<? extends Response> clazz)
         entity.setContentType(ContentType.APPLICATION_JSON.getMimeType());
         httpPost.setHeader(HTTP.CONTENT_TYPE, ContentType.APPLICATION_JSON.getMimeType());
         httpPost.setEntity(entity);
-
         // invoke http requesting
-        CloseableHttpResponse httpResponse;
-        try {
-            httpResponse = this.getHttpClient().execute(httpPost);
+        try (CloseableHttpResponse httpResponse = this.getHttpClient().execute(httpPost)) {
+            String requestId = "";
+            if (httpResponse.getLastHeader(HEADER_REQUEST_ID) != null) {
+                requestId = httpResponse.getLastHeader(HEADER_REQUEST_ID).getValue();
+            }
+
+            // check http status
+            StatusLine httpStatus = httpResponse.getStatusLine();
+            if (httpStatus.getStatusCode() >= 400) {
+                throw new UCloudException(
+                        String.format(
+                                "http error, status code %d %s",
+                                httpStatus.getStatusCode(), httpStatus.getReasonPhrase()));
+            }
+
+            // decode response
+            String content = EntityUtils.toString(httpResponse.getEntity(), "UTF-8");
+            Response response = new Gson().fromJson(content, clazz);
+            response.setRequestId(requestId);
+            return response;
+        } catch (UCloudException e) {
+            throw e;
         } catch (Exception e) {
             throw new TransportException("http error", e);
         }
-
-        String requestId = "";
-        if (httpResponse.getLastHeader(HEADER_REQUEST_ID) != null) {
-            requestId = httpResponse.getLastHeader(HEADER_REQUEST_ID).getValue();
-        }
-
-        // check http status
-        StatusLine httpStatus = httpResponse.getStatusLine();
-        if (httpStatus.getStatusCode() >= 400) {
-            throw new UCloudException(
-                    String.format(
-                            "http error, status code %d %s",
-                            httpStatus.getStatusCode(), httpStatus.getReasonPhrase()));
-        }
-
-        // decode response
-        String content = null;
-        try {
-            content = EntityUtils.toString(httpResponse.getEntity(), "UTF-8");
-        } catch (IOException e) {
-            throw new UCloudException("http error", e);
-        }
-        Response response = new Gson().fromJson(content, clazz);
-        response.setRequestId(requestId);
-        return response;
     }
 
     public String getBaseUrl() {
@@ -129,4 +122,9 @@ public CloseableHttpClient getHttpClient() {
     public void setHttpClient(CloseableHttpClient httpClient) {
         this.httpClient = httpClient;
     }
+
+    @Override
+    public void close() throws IOException {
+        this.httpClient.close();
+    }
 }
diff --git a/ucloud-sdk-java-common/src/main/java/cn/ucloud/common/transport/Transport.java b/ucloud-sdk-java-common/src/main/java/cn/ucloud/common/transport/Transport.java
index a39edb43..b2123080 100644
--- a/ucloud-sdk-java-common/src/main/java/cn/ucloud/common/transport/Transport.java
+++ b/ucloud-sdk-java-common/src/main/java/cn/ucloud/common/transport/Transport.java
@@ -17,7 +17,9 @@
 import cn.ucloud.common.request.Request;
 import cn.ucloud.common.response.Response;
 
-public interface Transport {
+import java.io.Closeable;
+
+public interface Transport extends Closeable {
     /**
      * @param request Request payload with data
      * @param clazz Response class without data
diff --git a/ucloud-sdk-java-ipsecvpn/pom.xml b/ucloud-sdk-java-ipsecvpn/pom.xml
index 97db59ae..d193c1c2 100644
--- a/ucloud-sdk-java-ipsecvpn/pom.xml
+++ b/ucloud-sdk-java-ipsecvpn/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-ipsecvpn</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-pathx/pom.xml b/ucloud-sdk-java-pathx/pom.xml
index e53bb29e..706c4c90 100644
--- a/ucloud-sdk-java-pathx/pom.xml
+++ b/ucloud-sdk-java-pathx/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-pathx</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-uaccount/pom.xml b/ucloud-sdk-java-uaccount/pom.xml
index 74d04291..ac418ec0 100644
--- a/ucloud-sdk-java-uaccount/pom.xml
+++ b/ucloud-sdk-java-uaccount/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-uaccount</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-ubill/pom.xml b/ucloud-sdk-java-ubill/pom.xml
index e81f3b99..0dd9dbba 100644
--- a/ucloud-sdk-java-ubill/pom.xml
+++ b/ucloud-sdk-java-ubill/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-ubill</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-ucdn/pom.xml b/ucloud-sdk-java-ucdn/pom.xml
index 5e09ee49..2c407368 100644
--- a/ucloud-sdk-java-ucdn/pom.xml
+++ b/ucloud-sdk-java-ucdn/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-ucdn</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-udb/pom.xml b/ucloud-sdk-java-udb/pom.xml
index f2270061..7a7f0cf9 100644
--- a/ucloud-sdk-java-udb/pom.xml
+++ b/ucloud-sdk-java-udb/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-udb</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-udbproxy/pom.xml b/ucloud-sdk-java-udbproxy/pom.xml
index df60e849..9160c826 100644
--- a/ucloud-sdk-java-udbproxy/pom.xml
+++ b/ucloud-sdk-java-udbproxy/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-udbproxy</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-udi/pom.xml b/ucloud-sdk-java-udi/pom.xml
index bd708bd5..a91d97fa 100644
--- a/ucloud-sdk-java-udi/pom.xml
+++ b/ucloud-sdk-java-udi/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-udi</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-udisk/pom.xml b/ucloud-sdk-java-udisk/pom.xml
index b65792ff..572db105 100644
--- a/ucloud-sdk-java-udisk/pom.xml
+++ b/ucloud-sdk-java-udisk/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-udisk</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-udpn/pom.xml b/ucloud-sdk-java-udpn/pom.xml
index ebf414c6..54721987 100644
--- a/ucloud-sdk-java-udpn/pom.xml
+++ b/ucloud-sdk-java-udpn/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-udpn</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-uec/pom.xml b/ucloud-sdk-java-uec/pom.xml
index 767b1d14..ee443ab2 100644
--- a/ucloud-sdk-java-uec/pom.xml
+++ b/ucloud-sdk-java-uec/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-uec</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-ufile/pom.xml b/ucloud-sdk-java-ufile/pom.xml
index 11a16a85..02dd2ae0 100644
--- a/ucloud-sdk-java-ufile/pom.xml
+++ b/ucloud-sdk-java-ufile/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-ufile</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-ufs/pom.xml b/ucloud-sdk-java-ufs/pom.xml
index 40781a64..7bfb19c0 100644
--- a/ucloud-sdk-java-ufs/pom.xml
+++ b/ucloud-sdk-java-ufs/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-ufs</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-uhost/pom.xml b/ucloud-sdk-java-uhost/pom.xml
index d0871121..e7ea2d0e 100644
--- a/ucloud-sdk-java-uhost/pom.xml
+++ b/ucloud-sdk-java-uhost/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-uhost</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-uk8s/pom.xml b/ucloud-sdk-java-uk8s/pom.xml
index 977cf024..8676daf6 100644
--- a/ucloud-sdk-java-uk8s/pom.xml
+++ b/ucloud-sdk-java-uk8s/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-uk8s</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-ulb/pom.xml b/ucloud-sdk-java-ulb/pom.xml
index 0b054e27..f0895dd2 100644
--- a/ucloud-sdk-java-ulb/pom.xml
+++ b/ucloud-sdk-java-ulb/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-ulb</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-umem/pom.xml b/ucloud-sdk-java-umem/pom.xml
index 301a2bbe..d5d0be08 100644
--- a/ucloud-sdk-java-umem/pom.xml
+++ b/ucloud-sdk-java-umem/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-umem</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-umongodb/pom.xml b/ucloud-sdk-java-umongodb/pom.xml
index 5990d5bf..57eddd99 100644
--- a/ucloud-sdk-java-umongodb/pom.xml
+++ b/ucloud-sdk-java-umongodb/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-umongodb</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-unet/pom.xml b/ucloud-sdk-java-unet/pom.xml
index 18df705f..d04a07f6 100644
--- a/ucloud-sdk-java-unet/pom.xml
+++ b/ucloud-sdk-java-unet/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-unet</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-upgsql/pom.xml b/ucloud-sdk-java-upgsql/pom.xml
index 1d9fba18..bc704a6a 100644
--- a/ucloud-sdk-java-upgsql/pom.xml
+++ b/ucloud-sdk-java-upgsql/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-upgsql</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-uphone/pom.xml b/ucloud-sdk-java-uphone/pom.xml
index e0735acc..83547686 100644
--- a/ucloud-sdk-java-uphone/pom.xml
+++ b/ucloud-sdk-java-uphone/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-uphone</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-uphost/pom.xml b/ucloud-sdk-java-uphost/pom.xml
index 2d16dab8..da67ef93 100644
--- a/ucloud-sdk-java-uphost/pom.xml
+++ b/ucloud-sdk-java-uphost/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-uphost</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-uslk/pom.xml b/ucloud-sdk-java-uslk/pom.xml
index d1373a9b..05ccf7e1 100644
--- a/ucloud-sdk-java-uslk/pom.xml
+++ b/ucloud-sdk-java-uslk/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-uslk</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-usms/pom.xml b/ucloud-sdk-java-usms/pom.xml
index cca3e25f..a5bf6477 100644
--- a/ucloud-sdk-java-usms/pom.xml
+++ b/ucloud-sdk-java-usms/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-usms</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-uvms/pom.xml b/ucloud-sdk-java-uvms/pom.xml
index 868a1417..6ef0b020 100644
--- a/ucloud-sdk-java-uvms/pom.xml
+++ b/ucloud-sdk-java-uvms/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-uvms</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>
diff --git a/ucloud-sdk-java-vpc/pom.xml b/ucloud-sdk-java-vpc/pom.xml
index ac370164..edfb21d2 100644
--- a/ucloud-sdk-java-vpc/pom.xml
+++ b/ucloud-sdk-java-vpc/pom.xml
@@ -5,18 +5,18 @@
     <parent>
         <artifactId>ucloud-sdk-java</artifactId>
         <groupId>cn.ucloud</groupId>
-        <version>1.2.7-release</version>
+        <version>1.2.8-release</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
     <artifactId>ucloud-sdk-java-vpc</artifactId>
-    <version>1.2.7-release</version>
+    <version>1.2.8-release</version>
 
     <dependencies>
         <dependency>
             <groupId>cn.ucloud</groupId>
             <artifactId>ucloud-sdk-java-common</artifactId>
-            <version>1.2.7-release</version>
+            <version>1.2.8-release</version>
         </dependency>
 
         <dependency>