diff --git a/src/drawApp/graphics/TurnoutInteraction.ts b/src/drawApp/graphics/TurnoutInteraction.ts
index 54cf644..4a63b1f 100644
--- a/src/drawApp/graphics/TurnoutInteraction.ts
+++ b/src/drawApp/graphics/TurnoutInteraction.ts
@@ -37,8 +37,8 @@ function getDefaultEndPoint() {
   };
 }
 
-const setNormalPosition: MenuItemOptions = { name: '设置定位' };
-const setReversePosition: MenuItemOptions = { name: '设置反位' };
+const setNormalPosition: MenuItemOptions = { name: '定操' };
+const setReversePosition: MenuItemOptions = { name: '反操' };
 
 const addTrainConfig: MenuItemOptions = {
   name: '添加列车',
diff --git a/src/graphics/train/Train.ts b/src/graphics/train/Train.ts
index 567a956..0789ad3 100644
--- a/src/graphics/train/Train.ts
+++ b/src/graphics/train/Train.ts
@@ -418,8 +418,9 @@ export class Train extends JlGraphic {
     const px = startP.x + Math.round(offset * (endP.x - startP.x));
     const py = startP.y + Math.round(offset * (endP.y - startP.y));
     let angle = Math.atan2(endP.y - startP.y, endP.x - startP.x);
-    if (-Math.PI / 2 > angle) {
-      angle = -(angle + Math.PI);
+    const exact = Math.PI / 16;
+    if (-Math.PI / 2 - exact > angle) {
+      angle = angle + Math.PI;
     }
     if (Math.PI / 2 <= angle) {
       angle = angle - Math.PI;