diff --git a/desc/inference/inference.api b/desc/inference/inference.api
index 3f12d5a1..87b9f7fd 100644
--- a/desc/inference/inference.api
+++ b/desc/inference/inference.api
@@ -35,7 +35,8 @@ type (
      /******************image inference*************************/
      /******************instance center*************************/
      InstanceCenterReq{
-          InstanceType  int32   `form:"instance_type"`
+          InstanceType    int32   `json:"instance_type"`
+          InstanceClass   string   `json:"instance_class"`
      }
      InstanceCenterResp {
           InstanceCenterList []InstanceCenterList `json:"instanceCenterList" copier:"InstanceCenterList"`
diff --git a/internal/logic/inference/instancecenterlogic.go b/internal/logic/inference/instancecenterlogic.go
index dd0d90ec..dd7deacf 100644
--- a/internal/logic/inference/instancecenterlogic.go
+++ b/internal/logic/inference/instancecenterlogic.go
@@ -33,9 +33,10 @@ func (l *InstanceCenterLogic) InstanceCenter(req *types.InstanceCenterReq) (*typ
 
 	if req.InstanceType == 0 {
 		l.svcCtx.DbEngin.Raw("select * from ai_instance_center").Scan(&InstanceCenter)
+	} else if req.InstanceType != 0 && req.InstanceClass == "" {
+		l.svcCtx.DbEngin.Raw("select * from ai_instance_center where instance_type = ? ", req.InstanceType).Scan(&InstanceCenter)
 	} else {
-		l.svcCtx.DbEngin.Raw("select * from ai_instance_center where instance_type = ?", req.InstanceType).Scan(&InstanceCenter)
-
+		l.svcCtx.DbEngin.Raw("select * from ai_instance_center where instance_type = ? and instance_class = ?", req.InstanceType, req.InstanceClass).Scan(&InstanceCenter)
 	}
 
 	var instanceCenter = *InstanceCenter
diff --git a/internal/types/types.go b/internal/types/types.go
index 8183e7fa..271fcb36 100644
--- a/internal/types/types.go
+++ b/internal/types/types.go
@@ -3666,7 +3666,8 @@ type InstanceCenterList struct {
 }
 
 type InstanceCenterReq struct {
-	InstanceType int32 `form:"instance_type"`
+	InstanceType  int32  `json:"instance_type"`
+	InstanceClass string `json:"instance_class"`
 }
 
 type InstanceCenterResp struct {