diff --git a/jl-ecs-go b/jl-ecs-go
index 200352e..7ce0d9a 160000
--- a/jl-ecs-go
+++ b/jl-ecs-go
@@ -1 +1 @@
-Subproject commit 200352eb58f1704a741d367e3c8afd02ae492b58
+Subproject commit 7ce0d9aa7bf6cbbf045ef3aa57ec14d43a742906
diff --git a/repository/calculate.go b/repository/calculate.go
index bc65c67..c577c30 100644
--- a/repository/calculate.go
+++ b/repository/calculate.go
@@ -1,8 +1,6 @@
 package repository
 
 import (
-	"errors"
-	"fmt"
 	"joylink.club/rtsssimulation/repository/model/proto"
 )
 
@@ -33,9 +31,9 @@ func convertKilometer(repo *Repository, km *proto.Kilometer, cs string) (*proto.
 	} else {
 		value = targetCsKm.Value - offset
 	}
-	if value < 0 {
-		return nil, errors.New(fmt.Sprintf("公里标[%s]转换为坐标系[%s]的公里标的值[%d]小于0", km, cs, value))
-	}
+	//if value < 0 {
+	//	return nil, errors.New(fmt.Sprintf("公里标[%s]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,