diff --git a/src/graphics/axleCounting/AxleCountingDrawAssistant.ts b/src/graphics/axleCounting/AxleCountingDrawAssistant.ts
index c2d16a8..7f3ac97 100644
--- a/src/graphics/axleCounting/AxleCountingDrawAssistant.ts
+++ b/src/graphics/axleCounting/AxleCountingDrawAssistant.ts
@@ -102,6 +102,18 @@ export class AxleCountingDraw extends GraphicDrawAssistant<
       port == TurnoutPort.B &&
       refPort == TurnoutPort.B
     ) {
+      //查看生成计轴bb配置
+      let hasBB = false;
+      if (generateAxleCountingConfig !== undefined) {
+        const bbConnect = generateAxleCountingConfig.bbConnect;
+        if (
+          bbConnect.includes(graphic.id) ||
+          bbConnect.includes(refGraphic.id)
+        ) {
+          hasBB = true;
+        }
+      }
+      //bb连接处有信号机需要生成
       const points = (graphic as Turnout).getPortPoints();
       const portPs = graphic.localToCanvasPoints(points[1][0])[0];
       let hasSingle = false;
@@ -111,7 +123,7 @@ export class AxleCountingDraw extends GraphicDrawAssistant<
           hasSingle = true;
         }
       });
-      if (!hasSingle) {
+      if (!hasSingle && !hasBB) {
         map.set(`${graphic.id}-${port}`, 1);
         map.set(`${refGraphic.id}-${refPort}`, 1);
         return;