diff --git a/fi/train.go b/fi/train.go
index 39ac709..f30f56c 100644
--- a/fi/train.go
+++ b/fi/train.go
@@ -2,6 +2,7 @@ package fi
 
 import (
 	"fmt"
+
 	"joylink.club/ecs"
 	"joylink.club/rtsssimulation/component"
 	"joylink.club/rtsssimulation/entity"
@@ -66,11 +67,11 @@ type TrainPositionInfo struct {
 	//列车长度 mm
 	Len uint32
 	//列车所在轨道link
-	HeadLink uint8
+	HeadLink string
 	//列车所在link偏移量（mm）
 	HeadLinkOffset uint32
 	//列车所在轨道link
-	TailLink uint8
+	TailLink string
 	//列车所在link偏移量（mm）
 	TailLinkOffset uint32
 }