diff --git a/src/graphics/train/Train.ts b/src/graphics/train/Train.ts
index 0789ad3..3d9df6f 100644
--- a/src/graphics/train/Train.ts
+++ b/src/graphics/train/Train.ts
@@ -144,7 +144,12 @@ export class TrainHead extends Container {
       -marginX - pauseW / 2 - codeWidth / 2,
       codeHeight / 2,
     ];
-    if (states.runDirection) {
+    // 道岔时运行上下行决定箭头方向
+    // 区段时是否从A到B决定箭头方向
+    if (
+      (states.devicePort && states.runDirection) ||
+      (!states.devicePort && states.pointTo)
+    ) {
       const aP: Array<number> = [];
       arrowPoint.forEach((item, index) => {
         if (index % 2 == 1) {
@@ -155,7 +160,10 @@ export class TrainHead extends Container {
       });
       arrowPoint = aP;
     }
-    if (states.headDirection) {
+    if (
+      (states.devicePort && states.headDirection) ||
+      (!states.devicePort && states.pointTo)
+    ) {
       const pP: Array<number> = [];
       pausePoint.forEach((item, index) => {
         if (index % 2 == 1) {