diff --git a/api/internal/algo/provider.go b/api/internal/algo/provider.go
index 27cd8488..106d6464 100644
--- a/api/internal/algo/provider.go
+++ b/api/internal/algo/provider.go
@@ -3,7 +3,7 @@ package algo
 import "math"
 
 type Provider struct {
-	Pid           int
+	Pid           int64
 	CpuSum        float64
 	MemSum        float64
 	DiskSum       float64
@@ -23,7 +23,7 @@ type Provider struct {
 	ProfitPerTask map[int]float64
 }
 
-func NewProvider(Pid int, CpuSum float64, MemSum float64, DiskSum float64, CpuCost float64, MemCost float64, DiskCost float64) *Provider {
+func NewProvider(Pid int64, CpuSum float64, MemSum float64, DiskSum float64, CpuCost float64, MemCost float64, DiskCost float64) *Provider {
 	return &Provider{
 		Pid:        Pid,
 		CpuSum:     CpuSum,
diff --git a/api/internal/pkg/scheduler/scheduler.go b/api/internal/pkg/scheduler/scheduler.go
index 4fd0fa2e..3ad7f568 100644
--- a/api/internal/pkg/scheduler/scheduler.go
+++ b/api/internal/pkg/scheduler/scheduler.go
@@ -48,6 +48,12 @@ func (s *scheduler) MatchLabels(dbEngin *gorm.DB) {
 }
 
 func (s *scheduler) AssignAndSchedule() error {
+	// 已指定 ParticipantId
+	if s.task.ParticipantId != 0 {
+		return nil
+	}
+
+	//生成算法所需参数
 	task, providerList := s.genTaskAndProviders()
 
 	strategy, err := s.scheduleService.pickOptimalStrategy(task, providerList...)
@@ -57,6 +63,7 @@ func (s *scheduler) AssignAndSchedule() error {
 
 	if strategy == nil {
 		s.task.ParticipantId = s.participantIds[0]
+		return nil
 	}
 
 	return nil
@@ -79,5 +86,10 @@ func (s *scheduler) SaveToDb(dbEngin *gorm.DB) error {
 }
 
 func (s *scheduler) genTaskAndProviders() (*algo.Task, []*algo.Provider) {
+	//var providerList []*algo.Provider
+	//for _, id := range s.participantIds {
+	//	provider := algo.NewProvider(id, 100, 200, 200, 0.0, 0.0, 0.0)
+	//
+	//}
 	return nil, nil
 }