diff --git a/README.md b/README.md
index f726dbf..4c67c09 100644
--- a/README.md
+++ b/README.md
@@ -68,9 +68,9 @@ The Apache License (Version 2.0, January 2004).
 [config guide]: docs/configuration.md
 [release link]: https://github.com/yunify/qingstor-sdk-cpp/releases
 [change logs link]: https://github.com/yunify/qingstor-sdk-net/blob/master/CHANGELOGS
-[documentation link]: https://docs.qingcloud.com/qingstor/index.html
-[guide link]: https://docs.qingcloud.com/qingstor/index.html
-[api doc link]: https://docs.qingcloud.com/qingstor/api/index.html
+[documentation link]: https://docsv4.qingcloud.com/user_guide/storage/object_storage/intro/product/
+[guide link]: https://docsv4.qingcloud.com/user_guide/storage/object_storage/intro/product/
+[api doc link]: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/
 [api specs link]: https://github.com/yunify/qingstor-api-specs
 [sdk test scenarios link]: https://github.com/yunify/qingstor-sdk-test-scenarios
 [cucumber link]: https://github.com/cucumber/cucumber-cpp
diff --git a/docs/sdk_cpp_style_usage.md b/docs/sdk_cpp_style_usage.md
index 5758a04..de11bbb 100644
--- a/docs/sdk_cpp_style_usage.md
+++ b/docs/sdk_cpp_style_usage.md
@@ -136,7 +136,7 @@ input.SetBody(objectStream);
 input.SetContentLength(streamSize);
 
 // if you want to add custom metadata header to request, please 
-// refer to 'https://docs.qingcloud.com/qingstor/api/common/metadat
+// refer to 'https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/metadata/'
 // 'uid' here is taken as an example of custom metadata.
 std::map<std::string, std::string> metadata;
 metadata["uid"] = "qingstor"; 
@@ -307,4 +307,4 @@ if (QsError::QS_ERR_UNEXCEPTED_RESPONSE == err)
     ResponseErrorInfo  errorInfo = output.GetResponseErrInfo();
     printf("request_id = %s , with detail message : %s\n" , errorInfo.requestID.c_str(), errorInfo.message.c_str());
 }
-```
\ No newline at end of file
+```
diff --git a/include/qingstor/Bucket.h b/include/qingstor/Bucket.h
index cd0bb8f..11fe5f9 100644
--- a/include/qingstor/Bucket.h
+++ b/include/qingstor/Bucket.h
@@ -4298,181 +4298,181 @@ class QS_SDK_API Bucket
     };
 
     // Delete does Delete a bucket.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/delete.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/basic_opt/delete/
     QsError DeleteBucket(DeleteBucketInput & input,
                          DeleteBucketOutput & output);
 
     // DeleteCORS does Delete CORS information of the bucket.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/cors/delete_cors.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/cors/delete_cors/
     QsError DeleteBucketCORS(DeleteBucketCORSInput & input,
                              DeleteBucketCORSOutput & output);
 
     // DeleteExternalMirror does Delete external mirror of the bucket.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/external_mirror/delete_external_mirror.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/external_mirror/delete_external_mirror/
     QsError DeleteBucketExternalMirror(DeleteBucketExternalMirrorInput &
                                        input,
                                        DeleteBucketExternalMirrorOutput &
                                        output);
 
     // DeleteLifecycle does Delete Lifecycle information of the bucket.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/lifecycle/delete_lifecycle.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/lifecycle/delete_lifecycle/
     QsError DeleteBucketLifecycle(DeleteBucketLifecycleInput & input,
                                   DeleteBucketLifecycleOutput & output);
 
     // DeleteNotification does Delete Notification information of the bucket.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/notification/delete_notification.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/notification/delete_notification/
     QsError DeleteBucketNotification(DeleteBucketNotificationInput & input,
                                      DeleteBucketNotificationOutput &
                                      output);
 
     // DeletePolicy does Delete policy information of the bucket.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/policy/delete_policy.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/policy/delete_policy/
     QsError DeleteBucketPolicy(DeleteBucketPolicyInput & input,
                                DeleteBucketPolicyOutput & output);
 
     // DeleteMultipleObjects does Delete multiple objects from the bucket.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/delete_multiple.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/basic_opt/delete_multiple/
     QsError DeleteMultipleObjects(DeleteMultipleObjectsInput & input,
                                   DeleteMultipleObjectsOutput & output);
 
     // GetACL does Get ACL information of the bucket.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/get_acl.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/acl/get_acl/
     QsError GetBucketACL(GetBucketACLInput & input,
                          GetBucketACLOutput & output);
 
     // GetCORS does Get CORS information of the bucket.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/cors/get_cors.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/cors/get_cors/
     QsError GetBucketCORS(GetBucketCORSInput & input,
                           GetBucketCORSOutput & output);
 
     // GetExternalMirror does Get external mirror of the bucket.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/external_mirror/get_external_mirror.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/external_mirror/get_external_mirror/
     QsError GetBucketExternalMirror(GetBucketExternalMirrorInput & input,
                                     GetBucketExternalMirrorOutput & output);
 
     // GetLifecycle does Get Lifecycle information of the bucket.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/lifecycle/get_lifecycle.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/lifecycle/get_lifecycle/
     QsError GetBucketLifecycle(GetBucketLifecycleInput & input,
                                GetBucketLifecycleOutput & output);
 
     // GetNotification does Get Notification information of the bucket.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/notification/get_notification.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/notification/get_notification/
     QsError GetBucketNotification(GetBucketNotificationInput & input,
                                   GetBucketNotificationOutput & output);
 
     // GetPolicy does Get policy information of the bucket.
-    // Documentation URL: https://https://docs.qingcloud.com/qingstor/api/bucket/policy/get_policy.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/policy/get_policy/
     QsError GetBucketPolicy(GetBucketPolicyInput & input,
                             GetBucketPolicyOutput & output);
 
     // GetStatistics does Get statistics information of the bucket.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/get_stats.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/basic_opt/get_stats/
     QsError GetBucketStatistics(GetBucketStatisticsInput & input,
                                 GetBucketStatisticsOutput & output);
 
     // Head does Check whether the bucket exists and available.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/head.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/basic_opt/head/
     QsError HeadBucket(HeadBucketInput & input, HeadBucketOutput & output);
 
     // ListMultipartUploads does List multipart uploads in the bucket.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/list_multipart_uploads.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/multipart/list/
     QsError ListMultipartUploads(ListMultipartUploadsInput & input,
                                  ListMultipartUploadsOutput & output);
 
     // ListObjects does Retrieve the object list in a bucket.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/get.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/basic_opt/get/
     QsError ListObjects(ListObjectsInput & input,
                         ListObjectsOutput & output);
 
     // Put does Create a new bucket.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/put.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/basic_opt/put/
     QsError PutBucket(PutBucketInput & input, PutBucketOutput & output);
 
     // PutACL does Set ACL information of the bucket.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/put_acl.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/acl/put_acl/
     QsError PutBucketACL(PutBucketACLInput & input,
                          PutBucketACLOutput & output);
 
     // PutCORS does Set CORS information of the bucket.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/cors/put_cors.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/cors/put_cors/
     QsError PutBucketCORS(PutBucketCORSInput & input,
                           PutBucketCORSOutput & output);
 
     // PutExternalMirror does Set external mirror of the bucket.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/external_mirror/put_external_mirror.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/external_mirror/put_external_mirror/
     QsError PutBucketExternalMirror(PutBucketExternalMirrorInput & input,
                                     PutBucketExternalMirrorOutput & output);
 
     // PutLifecycle does Set Lifecycle information of the bucket.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/lifecycle/put_lifecycle.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/lifecycle/put_lifecycle/
     QsError PutBucketLifecycle(PutBucketLifecycleInput & input,
                                PutBucketLifecycleOutput & output);
 
     // PutNotification does Set Notification information of the bucket.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/notification/put_notification.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/notification/put_notification/
     QsError PutBucketNotification(PutBucketNotificationInput & input,
                                   PutBucketNotificationOutput & output);
 
     // PutPolicy does Set policy information of the bucket.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/policy/put_policy.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/policy/put_policy/
     QsError PutBucketPolicy(PutBucketPolicyInput & input,
                             PutBucketPolicyOutput & output);
 
     // AbortMultipartUpload does Abort multipart upload.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/object/abort_multipart_upload.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/multipart/abort/
     QsError AbortMultipartUpload(std::string objectKey,
                                  AbortMultipartUploadInput & input,
                                  AbortMultipartUploadOutput & output);
 
     // CompleteMultipartUpload does Complete multipart upload.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/object/complete_multipart_upload.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/multipart/complete/
     QsError CompleteMultipartUpload(std::string objectKey,
                                     CompleteMultipartUploadInput & input,
                                     CompleteMultipartUploadOutput & output);
 
     // DeleteObject does Delete the object.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/object/delete.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/basic_opt/delete/
     QsError DeleteObject(std::string objectKey, DeleteObjectInput & input,
                          DeleteObjectOutput & output);
 
     // GetObject does Retrieve the object.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/object/get.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/basic_opt/get/
     QsError GetObject(std::string objectKey, GetObjectInput & input,
                       GetObjectOutput & output);
 
     // HeadObject does Check whether the object exists and available.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/object/head.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/basic_opt/head/
     QsError HeadObject(std::string objectKey, HeadObjectInput & input,
                        HeadObjectOutput & output);
 
     // ImageProcess does Image process with the action on the object
-    // Documentation URL: https://docs.qingcloud.com/qingstor/data_process/image_process/index.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/image_process/
     QsError ImageProcess(std::string objectKey, ImageProcessInput & input,
                          ImageProcessOutput & output);
 
     // InitiateMultipartUpload does Initial multipart upload on the object.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/object/initiate_multipart_upload.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/multipart/initiate/
     QsError InitiateMultipartUpload(std::string objectKey,
                                     InitiateMultipartUploadInput & input,
                                     InitiateMultipartUploadOutput & output);
 
     // ListMultipart does List object parts.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/object/list_multipart.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/multipart/list/
     QsError ListMultipart(std::string objectKey, ListMultipartInput & input,
                           ListMultipartOutput & output);
 
     // OptionsObject does Check whether the object accepts a origin with method and header.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/object/options.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/basic_opt/options_object/
     QsError OptionsObject(std::string objectKey, OptionsObjectInput & input,
                           OptionsObjectOutput & output);
 
     // PutObject does Upload the object.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/object/put.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/basic_opt/put/
     QsError PutObject(std::string objectKey, PutObjectInput & input,
                       PutObjectOutput & output);
 
     // UploadMultipart does Upload object multipart.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/object/multipart/upload_multipart.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/multipart/upload/
     QsError UploadMultipart(std::string objectKey,
                             UploadMultipartInput & input,
                             UploadMultipartOutput & output);
diff --git a/include/qingstor/QingStor.h b/include/qingstor/QingStor.h
index 2f2ccf6..86fc62a 100644
--- a/include/qingstor/QingStor.h
+++ b/include/qingstor/QingStor.h
@@ -146,7 +146,7 @@ class QS_SDK_API QingStorService
     };
 
     // ListBuckets does Retrieve the bucket list.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/service/get.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/service/get/
     QsError ListBuckets(ListBucketsInput & input,
                         ListBucketsOutput & output);
 
diff --git a/include/qingstor/service_with_c_style/QingStorCStyle.h b/include/qingstor/service_with_c_style/QingStorCStyle.h
index 0c487df..97d519a 100644
--- a/include/qingstor/service_with_c_style/QingStorCStyle.h
+++ b/include/qingstor/service_with_c_style/QingStorCStyle.h
@@ -1088,19 +1088,19 @@ typedef struct
 
 // upload_multipartInput init function.
 QS_SDK_API void release_upload_multipart_output(qs_upload_multipart_output_t * output);	// list_buckets does Retrieve the bucket list.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/service/get.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/service/get/
 QsError QS_SDK_API qs_list_buckets(qs_list_buckets_input_t * input,
                                    qs_list_buckets_output_t * output,
                                    qs_context_handle context_hdl);
 
 // delete_bucket does Delete a bucket.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/delete.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/basic_opt/delete/
 QsError QS_SDK_API qs_delete_bucket(qs_delete_bucket_input_t * input,
                                     qs_delete_bucket_output_t * output,
                                     qs_context_handle context_hdl);
 
 // delete_bucket_cors does Delete CORS information of the bucket.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/cors/delete_cors.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/cors/delete_cors/
 QsError QS_SDK_API qs_delete_bucket_cors(qs_delete_bucket_cors_input_t *
         input,
         qs_delete_bucket_cors_output_t *
@@ -1108,7 +1108,7 @@ QsError QS_SDK_API qs_delete_bucket_cors(qs_delete_bucket_cors_input_t *
         qs_context_handle context_hdl);
 
 // delete_bucket_external_mirror does Delete external mirror of the bucket.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/external_mirror/delete_external_mirror.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/external_mirror/delete_external_mirror/
 QsError QS_SDK_API
 qs_delete_bucket_external_mirror
 (qs_delete_bucket_external_mirror_input_t * input,
@@ -1116,14 +1116,14 @@ qs_delete_bucket_external_mirror
  qs_context_handle context_hdl);
 
 // delete_bucket_lifecycle does Delete Lifecycle information of the bucket.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/lifecycle/delete_lifecycle.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/lifecycle/delete_lifecycle/
 QsError QS_SDK_API
 qs_delete_bucket_lifecycle(qs_delete_bucket_lifecycle_input_t * input,
                            qs_delete_bucket_lifecycle_output_t * output,
                            qs_context_handle context_hdl);
 
 // delete_bucket_notification does Delete Notification information of the bucket.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/notification/delete_notification.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/notification/delete_notification/
 QsError QS_SDK_API
 qs_delete_bucket_notification(qs_delete_bucket_notification_input_t *
                               input,
@@ -1131,7 +1131,7 @@ qs_delete_bucket_notification(qs_delete_bucket_notification_input_t *
                               output, qs_context_handle context_hdl);
 
 // delete_bucket_policy does Delete policy information of the bucket.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/policy/delete_policy.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/policy/delete_policy/
 QsError QS_SDK_API qs_delete_bucket_policy(qs_delete_bucket_policy_input_t *
         input,
         qs_delete_bucket_policy_output_t
@@ -1139,26 +1139,26 @@ QsError QS_SDK_API qs_delete_bucket_policy(qs_delete_bucket_policy_input_t *
         qs_context_handle context_hdl);
 
 // delete_multiple_objects does Delete multiple objects from the bucket.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/delete_multiple.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/basic_opt/delete_multiple/
 QsError QS_SDK_API
 qs_delete_multiple_objects(qs_delete_multiple_objects_input_t * input,
                            qs_delete_multiple_objects_output_t * output,
                            qs_context_handle context_hdl);
 
 // get_bucket_acl does Get ACL information of the bucket.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/get_acl.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/acl/get_acl/
 QsError QS_SDK_API qs_get_bucket_acl(qs_get_bucket_acl_input_t * input,
                                      qs_get_bucket_acl_output_t * output,
                                      qs_context_handle context_hdl);
 
 // get_bucket_cors does Get CORS information of the bucket.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/cors/get_cors.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/cors/get_cors/
 QsError QS_SDK_API qs_get_bucket_cors(qs_get_bucket_cors_input_t * input,
                                       qs_get_bucket_cors_output_t * output,
                                       qs_context_handle context_hdl);
 
 // get_bucket_external_mirror does Get external mirror of the bucket.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/external_mirror/get_external_mirror.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/external_mirror/get_external_mirror/
 QsError QS_SDK_API
 qs_get_bucket_external_mirror(qs_get_bucket_external_mirror_input_t *
                               input,
@@ -1166,7 +1166,7 @@ qs_get_bucket_external_mirror(qs_get_bucket_external_mirror_input_t *
                               output, qs_context_handle context_hdl);
 
 // get_bucket_lifecycle does Get Lifecycle information of the bucket.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/lifecycle/get_lifecycle.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/lifecycle/get_lifecycle/
 QsError QS_SDK_API qs_get_bucket_lifecycle(qs_get_bucket_lifecycle_input_t *
         input,
         qs_get_bucket_lifecycle_output_t
@@ -1174,14 +1174,14 @@ QsError QS_SDK_API qs_get_bucket_lifecycle(qs_get_bucket_lifecycle_input_t *
         qs_context_handle context_hdl);
 
 // get_bucket_notification does Get Notification information of the bucket.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/notification/get_notification.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/notification/get_notification/
 QsError QS_SDK_API
 qs_get_bucket_notification(qs_get_bucket_notification_input_t * input,
                            qs_get_bucket_notification_output_t * output,
                            qs_context_handle context_hdl);
 
 // get_bucket_policy does Get policy information of the bucket.
-// Documentation URL: https://https://docs.qingcloud.com/qingstor/api/bucket/policy/get_policy.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/policy/get_policy/
 QsError QS_SDK_API qs_get_bucket_policy(qs_get_bucket_policy_input_t *
                                         input,
                                         qs_get_bucket_policy_output_t *
@@ -1189,7 +1189,7 @@ QsError QS_SDK_API qs_get_bucket_policy(qs_get_bucket_policy_input_t *
                                         qs_context_handle context_hdl);
 
 // get_bucket_statistics does Get statistics information of the bucket.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/get_stats.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/basic_opt/get_stats/
 QsError QS_SDK_API qs_get_bucket_statistics(qs_get_bucket_statistics_input_t
         * input,
         qs_get_bucket_statistics_output_t
@@ -1197,44 +1197,44 @@ QsError QS_SDK_API qs_get_bucket_statistics(qs_get_bucket_statistics_input_t
         qs_context_handle context_hdl);
 
 // head_bucket does Check whether the bucket exists and available.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/head.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/basic_opt/head/
 QsError QS_SDK_API qs_head_bucket(qs_head_bucket_input_t * input,
                                   qs_head_bucket_output_t * output,
                                   qs_context_handle context_hdl);
 
 // list_multipart_uploads does List multipart uploads in the bucket.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/list_multipart_uploads.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/multipart/list/
 QsError QS_SDK_API
 qs_list_multipart_uploads(qs_list_multipart_uploads_input_t * input,
                           qs_list_multipart_uploads_output_t * output,
                           qs_context_handle context_hdl);
 
 // list_objects does Retrieve the object list in a bucket.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/get.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/basic_opt/get/
 QsError QS_SDK_API qs_list_objects(qs_list_objects_input_t * input,
                                    qs_list_objects_output_t * output,
                                    qs_context_handle context_hdl);
 
 // put_bucket does Create a new bucket.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/put.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/basic_opt/put/
 QsError QS_SDK_API qs_put_bucket(qs_put_bucket_input_t * input,
                                  qs_put_bucket_output_t * output,
                                  qs_context_handle context_hdl);
 
 // put_bucket_acl does Set ACL information of the bucket.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/put_acl.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/acl/put_acl/
 QsError QS_SDK_API qs_put_bucket_acl(qs_put_bucket_acl_input_t * input,
                                      qs_put_bucket_acl_output_t * output,
                                      qs_context_handle context_hdl);
 
 // put_bucket_cors does Set CORS information of the bucket.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/cors/put_cors.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/cors/put_cors/
 QsError QS_SDK_API qs_put_bucket_cors(qs_put_bucket_cors_input_t * input,
                                       qs_put_bucket_cors_output_t * output,
                                       qs_context_handle context_hdl);
 
 // put_bucket_external_mirror does Set external mirror of the bucket.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/external_mirror/put_external_mirror.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/external_mirror/put_external_mirror/
 QsError QS_SDK_API
 qs_put_bucket_external_mirror(qs_put_bucket_external_mirror_input_t *
                               input,
@@ -1242,7 +1242,7 @@ qs_put_bucket_external_mirror(qs_put_bucket_external_mirror_input_t *
                               output, qs_context_handle context_hdl);
 
 // put_bucket_lifecycle does Set Lifecycle information of the bucket.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/lifecycle/put_lifecycle.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/lifecycle/put_lifecycle/
 QsError QS_SDK_API qs_put_bucket_lifecycle(qs_put_bucket_lifecycle_input_t *
         input,
         qs_put_bucket_lifecycle_output_t
@@ -1250,14 +1250,14 @@ QsError QS_SDK_API qs_put_bucket_lifecycle(qs_put_bucket_lifecycle_input_t *
         qs_context_handle context_hdl);
 
 // put_bucket_notification does Set Notification information of the bucket.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/notification/put_notification.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/notification/put_notification/
 QsError QS_SDK_API
 qs_put_bucket_notification(qs_put_bucket_notification_input_t * input,
                            qs_put_bucket_notification_output_t * output,
                            qs_context_handle context_hdl);
 
 // put_bucket_policy does Set policy information of the bucket.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/bucket/policy/put_policy.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/bucket/policy/put_policy/
 QsError QS_SDK_API qs_put_bucket_policy(qs_put_bucket_policy_input_t *
                                         input,
                                         qs_put_bucket_policy_output_t *
@@ -1265,7 +1265,7 @@ QsError QS_SDK_API qs_put_bucket_policy(qs_put_bucket_policy_input_t *
                                         qs_context_handle context_hdl);
 
 // abort_multipart_upload does Abort multipart upload.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/object/abort_multipart_upload.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/multipart/abort/
 QsError QS_SDK_API qs_abort_multipart_upload(char *objectKey,
         qs_abort_multipart_upload_input_t
         * input,
@@ -1274,7 +1274,7 @@ QsError QS_SDK_API qs_abort_multipart_upload(char *objectKey,
         qs_context_handle context_hdl);
 
 // complete_multipart_upload does Complete multipart upload.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/object/complete_multipart_upload.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/multipart/complete/
 QsError QS_SDK_API qs_complete_multipart_upload(char *objectKey,
         qs_complete_multipart_upload_input_t
         * input,
@@ -1284,35 +1284,35 @@ QsError QS_SDK_API qs_complete_multipart_upload(char *objectKey,
         context_hdl);
 
 // delete_object does Delete the object.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/object/delete.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/basic_opt/delete/
 QsError QS_SDK_API qs_delete_object(char *objectKey,
                                     qs_delete_object_input_t * input,
                                     qs_delete_object_output_t * output,
                                     qs_context_handle context_hdl);
 
 // get_object does Retrieve the object.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/object/get.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/basic_opt/get/
 QsError QS_SDK_API qs_get_object(char *objectKey,
                                  qs_get_object_input_t * input,
                                  qs_get_object_output_t * output,
                                  qs_context_handle context_hdl);
 
 // head_object does Check whether the object exists and available.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/object/head.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/basic_opt/head/
 QsError QS_SDK_API qs_head_object(char *objectKey,
                                   qs_head_object_input_t * input,
                                   qs_head_object_output_t * output,
                                   qs_context_handle context_hdl);
 
 // image_process does Image process with the action on the object
-// Documentation URL: https://docs.qingcloud.com/qingstor/data_process/image_process/index.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/image_process/
 QsError QS_SDK_API qs_image_process(char *objectKey,
                                     qs_image_process_input_t * input,
                                     qs_image_process_output_t * output,
                                     qs_context_handle context_hdl);
 
 // initiate_multipart_upload does Initial multipart upload on the object.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/object/initiate_multipart_upload.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/multipart/initiate/
 QsError QS_SDK_API qs_initiate_multipart_upload(char *objectKey,
         qs_initiate_multipart_upload_input_t
         * input,
@@ -1322,28 +1322,28 @@ QsError QS_SDK_API qs_initiate_multipart_upload(char *objectKey,
         context_hdl);
 
 // list_multipart does List object parts.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/object/list_multipart.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/multipart/list/
 QsError QS_SDK_API qs_list_multipart(char *objectKey,
                                      qs_list_multipart_input_t * input,
                                      qs_list_multipart_output_t * output,
                                      qs_context_handle context_hdl);
 
 // options_object does Check whether the object accepts a origin with method and header.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/object/options.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/basic_opt/options_object/
 QsError QS_SDK_API qs_options_object(char *objectKey,
                                      qs_options_object_input_t * input,
                                      qs_options_object_output_t * output,
                                      qs_context_handle context_hdl);
 
 // put_object does Upload the object.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/object/put.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/basic_opt/put/
 QsError QS_SDK_API qs_put_object(char *objectKey,
                                  qs_put_object_input_t * input,
                                  qs_put_object_output_t * output,
                                  qs_context_handle context_hdl);
 
 // upload_multipart does Upload object multipart.
-// Documentation URL: https://docs.qingcloud.com/qingstor/api/object/multipart/upload_multipart.html
+// Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/object/multipart/upload/
 QsError QS_SDK_API qs_upload_multipart(char *objectKey,
                                        qs_upload_multipart_input_t * input,
                                        qs_upload_multipart_output_t *
diff --git a/template/header/service.tmpl b/template/header/service.tmpl
index 8ff97fd..1b6155b 100644
--- a/template/header/service.tmpl
+++ b/template/header/service.tmpl
@@ -78,7 +78,7 @@ class QS_SDK_API QingStorService
     virtual ~QingStorService(){};
 
     // ListBuckets does Retrieve the bucket list.
-    // Documentation URL: https://docs.qingcloud.com/qingstor/api/service/get.html
+    // Documentation URL: https://docsv4.qingcloud.com/user_guide/storage/object_storage/api/service/get/
     QsError ListBuckets(ListBucketsInput &input,
                         ListBucketsOutput &output);