diff --git a/repository/repository.go b/repository/repository.go
index b080887..d9f1c4e 100644
--- a/repository/repository.go
+++ b/repository/repository.go
@@ -287,9 +287,10 @@ func (repo *Repository) ConvertKilometer(km *proto.Kilometer, cs string) (*proto
 		targetCsKm = kc.KmA
 	}
 	value := targetCsKm.Value + (km.Value - sourceCsKm.Value)
-	if value < 0 {
-		panic(fmt.Sprintf("公里标[%v]转换为坐标系[%s]的公里标的值[%d]小于0", km, cs, value))
-	}
+	// 20231205 注释
+	// if value < 0 {
+	//	panic(fmt.Sprintf("公里标[%v]转换为坐标系[%s]的公里标的值[%d]小于0", km, cs, value))
+	// }
 	return &proto.Kilometer{Value: value, CoordinateSystem: cs}, nil
 }
 
diff --git a/repository/repository_check.go b/repository/repository_check.go
index e7caf84..6089450 100644
--- a/repository/repository_check.go
+++ b/repository/repository_check.go
@@ -2,6 +2,7 @@ package repository
 
 import (
 	"fmt"
+
 	"joylink.club/rtsssimulation/repository/model/proto"
 )
 
@@ -23,7 +24,8 @@ func baseCheck(source *proto.Repository) []string {
 		if turnout.Km == nil {
 			errMsg = append(errMsg, fmt.Sprintf("道岔[%s]缺少公里标", turnout.Id))
 		}
-		if turnout.ADevicePort == nil || turnout.BDevicePort == nil || turnout.CDevicePort == nil {
+		// 如果缺少所有关联设备则报错
+		if turnout.ADevicePort == nil && turnout.BDevicePort == nil && turnout.CDevicePort == nil {
 			errMsg = append(errMsg, fmt.Sprintf("道岔[%s]缺少端口关联数据", turnout.Id))
 		}
 	}
diff --git a/repository/repository_manager.go b/repository/repository_manager.go
index 4e28a08..9e61057 100644
--- a/repository/repository_manager.go
+++ b/repository/repository_manager.go
@@ -386,6 +386,9 @@ func buildSignalRelationShip(source *proto.Repository, repository *Repository) e
 func buildTurnoutRelationShip(source *proto.Repository, repo *Repository) error {
 	for _, protoData := range source.Turnouts {
 		turnout := repo.turnoutMap[protoData.Id]
+		if protoData.ADevicePort == nil && protoData.BDevicePort == nil && protoData.CDevicePort == nil {
+			return fmt.Errorf("道岔[%s]无连接设备", protoData.Id)
+		}
 		err := buildTurnoutPortRelation(repo, turnout, proto.Port_A, protoData.ADevicePort)
 		if err != nil {
 			return err
@@ -418,6 +421,9 @@ func buildTurnoutRelationShip(source *proto.Repository, repo *Repository) error
 }
 
 func buildTurnoutPortRelation(repo *Repository, turnout *Turnout, port proto.Port, protoDp *proto.DevicePort) error {
+	if protoDp == nil {
+		return nil
+	}
 	model, err := repo.FindModel(protoDp.DeviceId, protoDp.DeviceType)
 	if err != nil {
 		return err