代码调整

src/drawApp/graphics/TurnoutInteraction.ts

@@ -149,15 +149,19 @@ export class TurnoutOperationPlugin extends GraphicInteractionPlugin<Turnout> {
         componentProps: { dev: turnout, kmLength: d },
         cancel: true,
         persistent: true,
-      }).onOk((data: { offset: number; dir: 1 | 0 }) => {
-        addTrain({
+      }).onOk((data: { offset: number; dir: 1 | 0; trainLength: string }) => {
+        const params = {
           simulationId,
           mapId,
           up: !!data.dir,
           id: turnout.datas.id,
           devicePort: port,
           headOffset: data.offset,
-        })
+        };
+        if (data.trainLength) {
+          Object.assign(params, { trainLength: +data.trainLength });
+        }
+        addTrain(params)
           .then(() => {
             successNotify('添加列车成功！');
           })