diff --git a/pkgs/ioswitch/dag/node.go b/pkgs/ioswitch/dag/node.go
index df6e801..a70f380 100644
--- a/pkgs/ioswitch/dag/node.go
+++ b/pkgs/ioswitch/dag/node.go
@@ -9,9 +9,9 @@ import (
 type NodeEnvType string
 
 const (
-	EnvUnknown NodeEnvType = ""
-	EnvDriver  NodeEnvType = "Driver"
-	EnvWorker  NodeEnvType = "Worker"
+	EnvAny    NodeEnvType = ""
+	EnvDriver NodeEnvType = "Driver"
+	EnvWorker NodeEnvType = "Worker"
 )
 
 type NodeEnv struct {
@@ -21,7 +21,7 @@ type NodeEnv struct {
 }
 
 func (e *NodeEnv) ToEnvUnknown(pinned bool) {
-	e.Type = EnvUnknown
+	e.Type = EnvAny
 	e.Worker = nil
 	e.Pinned = pinned
 }
diff --git a/sdks/sdks.go b/sdks/sdks.go
index 6f303c9..2e41880 100644
--- a/sdks/sdks.go
+++ b/sdks/sdks.go
@@ -199,3 +199,11 @@ func ParseCodeDataJSONResponse[T any](resp *http.Response, ret T) error {
 
 	return fmt.Errorf("unknow response content type: %s, status: %d, body[:200]: %s", contType, resp.StatusCode, strCont)
 }
+
+func IsErrorCode(err error, code string) bool {
+	if e, ok := err.(*CodeMessageError); ok {
+		return e.Code == code
+	}
+
+	return false
+}