diff --git a/models/resource_specification.go b/models/resource_specification.go
index 2f815818b..809a3496a 100644
--- a/models/resource_specification.go
+++ b/models/resource_specification.go
@@ -3,6 +3,7 @@ package models
 import (
 	"code.gitea.io/gitea/modules/timeutil"
 	"fmt"
+	"strings"
 	"xorm.io/builder"
 )
 
@@ -197,12 +198,104 @@ type Specification struct {
 	AiCenterName    string
 	IsExclusive     bool
 	ExclusiveOrg    string
+	//specs that have the same sourceSpecId, computeResource and cluster as current spec
+	RelatedSpecs []*Specification
 }
 
 func (Specification) TableName() string {
 	return "resource_specification"
 }
 
+func (s *Specification) loadRelatedSpecs() {
+	if s.RelatedSpecs != nil {
+		return
+	}
+	defaultSpecs := make([]*Specification, 0)
+	if s.SourceSpecId == "" {
+		s.RelatedSpecs = defaultSpecs
+		return
+	}
+	r, err := FindSpecs(FindSpecsOptions{
+		ComputeResource: s.ComputeResource,
+		Cluster:         s.Cluster,
+		SourceSpecId:    s.SourceSpecId,
+		RequestAll:      true,
+		SpecStatus:      SpecOnShelf,
+	})
+	if err != nil {
+		s.RelatedSpecs = defaultSpecs
+		return
+	}
+	s.RelatedSpecs = r
+}
+func (s *Specification) GetAvailableCenterIds(userIds ...int64) []string {
+	s.loadRelatedSpecs()
+
+	if len(s.RelatedSpecs) == 0 {
+		return make([]string, 0)
+	}
+
+	var uId int64
+	if len(userIds) > 0 {
+		uId = userIds[0]
+	}
+	//filter exclusive specs
+	specs := FilterExclusiveSpecs(s.RelatedSpecs, uId)
+
+	centerIds := make([]string, len(specs))
+	for i, v := range specs {
+		centerIds[i] = v.AiCenterCode
+	}
+	return centerIds
+}
+
+func FilterExclusiveSpecs(r []*Specification, userId int64) []*Specification {
+	if userId == 0 {
+		return r
+	}
+	specs := make([]*Specification, 0, len(r))
+	specMap := make(map[int64]string, 0)
+	for i := 0; i < len(r); i++ {
+		spec := r[i]
+		if _, has := specMap[spec.ID]; has {
+			continue
+		}
+		if !spec.IsExclusive {
+			specs = append(specs, spec)
+			specMap[spec.ID] = ""
+			continue
+		}
+		orgs := strings.Split(spec.ExclusiveOrg, ";")
+		for _, org := range orgs {
+			isMember, _ := IsOrganizationMemberByOrgName(org, userId)
+			if isMember {
+				specs = append(specs, spec)
+				specMap[spec.ID] = ""
+				break
+			}
+		}
+	}
+	return specs
+}
+
+func DistinctSpecs(r []*Specification) []*Specification {
+	specs := make([]*Specification, 0, len(r))
+	sourceSpecIdMap := make(map[string]string, 0)
+	for i := 0; i < len(r); i++ {
+		spec := r[i]
+		if spec.SourceSpecId == "" {
+			specs = append(specs, spec)
+			continue
+		}
+		if _, has := sourceSpecIdMap[spec.SourceSpecId]; has {
+			continue
+		}
+		specs = append(specs, spec)
+		sourceSpecIdMap[spec.SourceSpecId] = ""
+	}
+	return specs
+}
+
 func InsertResourceSpecification(r ResourceSpecification) (int64, error) {
 	return x.Insert(&r)
 }
diff --git a/modules/grampus/grampus.go b/modules/grampus/grampus.go
index b6f62560a..6b2ea6288 100755
--- a/modules/grampus/grampus.go
+++ b/modules/grampus/grampus.go
@@ -105,8 +105,6 @@ func getDatasetGrampus(datasetInfos map[string]models.DatasetInfo) []models.Gram
 func GenerateTrainJob(ctx *context.Context, req *GenerateTrainJobReq) (jobId string, err error) {
 	createTime := timeutil.TimeStampNow()
 
-	centerID, centerName := getCentersParamter(ctx, req)
-
 	var datasetGrampus, modelGrampus []models.GrampusDataset
 	var codeGrampus models.GrampusDataset
 	if ProcessorTypeNPU == req.ProcessType {
@@ -138,8 +136,7 @@ func GenerateTrainJob(ctx *context.Context, req *GenerateTrainJobReq) (jobId str
 				ResourceSpecId: req.Spec.SourceSpecId,
 				ImageId:        req.ImageId,
 				ImageUrl:       req.ImageUrl,
-				CenterID:       centerID,
-				CenterName:     centerName,
+				CenterID:       req.Spec.GetAvailableCenterIds(ctx.User.ID),
 				ReplicaNum:     1,
 				Datasets:       datasetGrampus,
 				Models:         modelGrampus,
diff --git a/services/cloudbrain/resource/resource_specification.go b/services/cloudbrain/resource/resource_specification.go
index 8f4182d87..5070d7c1e 100644
--- a/services/cloudbrain/resource/resource_specification.go
+++ b/services/cloudbrain/resource/resource_specification.go
@@ -246,10 +246,10 @@ func FindAvailableSpecs(userId int64, opts models.FindSpecsOptions) ([]*models.S
 		return nil, err
 	}
 	//filter exclusive specs
-	specs := filterExclusiveSpecs(r, userId)
+	specs := models.FilterExclusiveSpecs(r, userId)
 
 	//distinct by sourceSpecId
-	specs = distinctSpecs(specs)
+	specs = models.DistinctSpecs(specs)
 	return specs, err
 }
 
@@ -265,50 +265,6 @@ func FindAvailableSpecs4Show(userId int64, opts models.FindSpecsOptions) ([]*api
 	return result, nil
 }
 
-func filterExclusiveSpecs(r []*models.Specification, userId int64) []*models.Specification {
-	specs := make([]*models.Specification, 0, len(r))
-	specMap := make(map[int64]string, 0)
-	for i := 0; i < len(r); i++ {
-		spec := r[i]
-		if _, has := specMap[spec.ID]; has {
-			continue
-		}
-		if !spec.IsExclusive {
-			specs = append(specs, spec)
-			specMap[spec.ID] = ""
-			continue
-		}
-		orgs := strings.Split(spec.ExclusiveOrg, ";")
-		for _, org := range orgs {
-			isMember, _ := models.IsOrganizationMemberByOrgName(org, userId)
-			if isMember {
-				specs = append(specs, spec)
-				specMap[spec.ID] = ""
-				break
-			}
-		}
-	}
-	return specs
-}
-
-func distinctSpecs(r []*models.Specification) []*models.Specification {
-	specs := make([]*models.Specification, 0, len(r))
-	sourceSpecIdMap := make(map[string]string, 0)
-	for i := 0; i < len(r); i++ {
-		spec := r[i]
-		if spec.SourceSpecId == "" {
-			specs = append(specs, spec)
-			continue
-		}
-		if _, has := sourceSpecIdMap[spec.SourceSpecId]; has {
-			continue
-		}
-		specs = append(specs, spec)
-		sourceSpecIdMap[spec.SourceSpecId] = ""
-	}
-	return specs
-}
-
 func GetAndCheckSpec(userId int64, specId int64, opts models.FindSpecsOptions) (*models.Specification, error) {
 	if specId == 0 {
 		return nil, nil