diff --git a/oss-http-api/src/main/java/cn/axzo/oss/http/model/ApiSignUrlUploadRequest.java b/oss-http-api/src/main/java/cn/axzo/oss/http/model/ApiSignUrlUploadRequest.java
index d918e2b..51dd182 100644
--- a/oss-http-api/src/main/java/cn/axzo/oss/http/model/ApiSignUrlUploadRequest.java
+++ b/oss-http-api/src/main/java/cn/axzo/oss/http/model/ApiSignUrlUploadRequest.java
@@ -33,7 +33,8 @@ public class ApiSignUrlUploadRequest {
     private String serviceName;
 
     /**
-     * 通道类型
+     * 1-阿里云-aliyun
+     * 2-华为云-huaweicloud
      */
     private Integer channelType;
     /**
diff --git a/oss-manager-api/src/main/java/cn/axzo/oss/manager/api/dto/request/SignUrlUploadDto.java b/oss-manager-api/src/main/java/cn/axzo/oss/manager/api/dto/request/SignUrlUploadDto.java
index 934e2c9..301e4a7 100644
--- a/oss-manager-api/src/main/java/cn/axzo/oss/manager/api/dto/request/SignUrlUploadDto.java
+++ b/oss-manager-api/src/main/java/cn/axzo/oss/manager/api/dto/request/SignUrlUploadDto.java
@@ -34,6 +34,8 @@ public class SignUrlUploadDto {
 
     /**
      * 通道类型
+     * 1-阿里云-aliyun
+     * 2-华为云-huaweicloud
      */
     private Integer channelType;
     /**