diff --git a/go.mod b/go.mod
index a953cf719c..29e8d2599b 100644
--- a/go.mod
+++ b/go.mod
@@ -105,7 +105,7 @@ require (
 	k8s.io/cri-api v0.28.15
 	k8s.io/klog/v2 v2.90.1
 	moul.io/http2curl/v2 v2.3.0
-	yunion.io/x/cloudmux v0.3.10-0-alpha.1.0.20260311024036-ffafb5789466
+	yunion.io/x/cloudmux v0.3.10-0-alpha.1.0.20260311083221-764f2af6b1a5
 	yunion.io/x/executor v0.0.0-20250518005516-5402e9e0bed0
 	yunion.io/x/jsonutils v1.0.1-0.20250507052344-1abcf4f443b1
 	yunion.io/x/log v1.0.1-0.20240305175729-7cf2d6cd5a91
diff --git a/go.sum b/go.sum
index bae8b384cb..754ff09fa4 100644
--- a/go.sum
+++ b/go.sum
@@ -1740,8 +1740,8 @@ sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
 sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
 sigs.k8s.io/yaml v1.3.0 h1:a2VclLzOGrwOHDiV8EfBGhvjHvP46CtW5j6POvhYGGo=
 sigs.k8s.io/yaml v1.3.0/go.mod h1:GeOyir5tyXNByN85N/dRIT9es5UQNerPYEKK56eTBm8=
-yunion.io/x/cloudmux v0.3.10-0-alpha.1.0.20260311024036-ffafb5789466 h1:UaY8bkI2AvOOzCXUguMxUwO/m/+MBKFnzr+Szy8nHzg=
-yunion.io/x/cloudmux v0.3.10-0-alpha.1.0.20260311024036-ffafb5789466/go.mod h1:aWRX5Phwz3nbHUNnIAm1oVogjguXPYDDgCOy/9Hnnvk=
+yunion.io/x/cloudmux v0.3.10-0-alpha.1.0.20260311083221-764f2af6b1a5 h1:TPGkjDvC8838VOQvEdGl80zVFPu6DWEYXRl38C6NvDs=
+yunion.io/x/cloudmux v0.3.10-0-alpha.1.0.20260311083221-764f2af6b1a5/go.mod h1:aWRX5Phwz3nbHUNnIAm1oVogjguXPYDDgCOy/9Hnnvk=
 yunion.io/x/executor v0.0.0-20250518005516-5402e9e0bed0 h1:msG4SiDSVU7CrXH06WuHlNEZXIooTcmNbfrIGHuIHBU=
 yunion.io/x/executor v0.0.0-20250518005516-5402e9e0bed0/go.mod h1:Uxuou9WQIeJXNpy7t2fPLL0BYLvLiMvGQwY7Qc6aSws=
 yunion.io/x/jsonutils v0.0.0-20190625054549-a964e1e8a051/go.mod h1:4N0/RVzsYL3kH3WE/H1BjUQdFiWu50JGCFQuuy+Z634=
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 4b3efd1f99..cd52567998 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -2491,7 +2491,7 @@ sigs.k8s.io/structured-merge-diff/v4/value
 # sigs.k8s.io/yaml v1.3.0
 ## explicit; go 1.12
 sigs.k8s.io/yaml
-# yunion.io/x/cloudmux v0.3.10-0-alpha.1.0.20260311024036-ffafb5789466
+# yunion.io/x/cloudmux v0.3.10-0-alpha.1.0.20260311083221-764f2af6b1a5
 ## explicit; go 1.24
 yunion.io/x/cloudmux/pkg/apis
 yunion.io/x/cloudmux/pkg/apis/billing
diff --git a/vendor/yunion.io/x/cloudmux/pkg/multicloud/volcengine/volcengine.go b/vendor/yunion.io/x/cloudmux/pkg/multicloud/volcengine/volcengine.go
index 93cc1ff320..3233079124 100644
--- a/vendor/yunion.io/x/cloudmux/pkg/multicloud/volcengine/volcengine.go
+++ b/vendor/yunion.io/x/cloudmux/pkg/multicloud/volcengine/volcengine.go
@@ -47,7 +47,7 @@ const (
 
 	VOLCENGINE_API_VERSION         = "2020-04-01"
 	VOLCENGINE_IAM_API_VERSION     = "2018-01-01"
-	VOLCENGINE_OBSERVE_API_VERSION = "2018-01-01"
+	VOLCENGINE_MONITOR_API_VERSION = "2018-01-01"
 	VOLCENGINE_BILLING_API_VERSION = "2022-01-01"
 
 	VOLCENGINE_API         = "open.volcengineapi.com"
@@ -55,14 +55,14 @@ const (
 	VOLCENGINE_TOS_API     = "tos-cn-beijing.volces.com"
 	VOLCENGINE_BILLING_API = "billing.volcengineapi.com"
 
-	VOLCENGINE_SERVICE_ECS       = "ecs"
-	VOLCENGINE_SERVICE_VPC       = "vpc"
-	VOLCENGINE_SERVICE_NAT       = "natgateway"
-	VOLCENGINE_SERVICE_STORAGE   = "storage_ebs"
-	VOLCENGINE_SERVICE_IAM       = "iam"
-	VOLCENGINE_SERVICE_TOS       = "tos"
-	VOLCENGINE_SERVICE_OBSERVICE = "Volc_Observe"
-	VOLCENGINE_SERVICE_BILLING   = "billing"
+	VOLCENGINE_SERVICE_ECS     = "ecs"
+	VOLCENGINE_SERVICE_VPC     = "vpc"
+	VOLCENGINE_SERVICE_NAT     = "natgateway"
+	VOLCENGINE_SERVICE_STORAGE = "storage_ebs"
+	VOLCENGINE_SERVICE_IAM     = "iam"
+	VOLCENGINE_SERVICE_TOS     = "tos"
+	VOLCENGINE_SERVICE_MONITOR = "cloudmonitor"
+	VOLCENGINE_SERVICE_BILLING = "billing"
 
 	VOLCENGINE_DEFAULT_REGION = "cn-beijing"
 )
@@ -276,8 +276,8 @@ func (self *sCred) Do(req *http.Request) (*http.Response, error) {
 }
 
 func (client *SVolcEngineClient) monitorRequest(regionId, apiName string, params map[string]interface{}) (jsonutils.JSONObject, error) {
-	cred := client.getSdkCredential(regionId, VOLCENGINE_SERVICE_OBSERVICE, "")
-	return client.jsonRequest(cred, VOLCENGINE_API, VOLCENGINE_OBSERVE_API_VERSION, apiName, params)
+	cred := client.getSdkCredential(regionId, VOLCENGINE_SERVICE_MONITOR, "")
+	return client.jsonRequest(cred, VOLCENGINE_API, VOLCENGINE_MONITOR_API_VERSION, apiName, params)
 }
 
 func (client *SVolcEngineClient) jsonRequest(cred sdk.Credentials, domain string, apiVersion string, apiName string, params interface{}) (jsonutils.JSONObject, error) {
@@ -306,7 +306,7 @@ func (client *SVolcEngineClient) jsonRequest(cred sdk.Credentials, domain string
 			method = httputils.DELETE
 		}
 	}
-	if cred.Service == VOLCENGINE_SERVICE_OBSERVICE {
+	if cred.Service == VOLCENGINE_SERVICE_MONITOR {
 		method = httputils.POST
 	}
 	// 私网接口仅支持GET请求
@@ -314,15 +314,12 @@ func (client *SVolcEngineClient) jsonRequest(cred sdk.Credentials, domain string
 		method = httputils.GET
 	}
 
-	form := url.Values{}
-	_params, _ := params.(map[string]string)
+	var reqBody io.Reader = nil
 	switch method {
 	case httputils.POST:
-		for k, v := range _params {
-			form.Set(k, v)
-			query.Set(k, v)
-		}
+		reqBody = strings.NewReader(jsonutils.Marshal(params).String())
 	default:
+		_params, _ := params.(map[string]string)
 		for k, v := range _params {
 			query.Set(k, v)
 		}
@@ -333,7 +330,7 @@ func (client *SVolcEngineClient) jsonRequest(cred sdk.Credentials, domain string
 		return nil, errors.Wrapf(err, "url.Parse")
 	}
 
-	req, err := http.NewRequest(string(method), u.String(), strings.NewReader(form.Encode()))
+	req, err := http.NewRequest(string(method), u.String(), reqBody)
 	if err != nil {
 		return nil, errors.Wrapf(err, "NewRequest")
 	}