diff --git a/src/drawApp/graphics/SectionInteraction.ts b/src/drawApp/graphics/SectionInteraction.ts
index 80d6f2c..85d78e8 100644
--- a/src/drawApp/graphics/SectionInteraction.ts
+++ b/src/drawApp/graphics/SectionInteraction.ts
@@ -24,6 +24,7 @@ import { ContextMenu } from 'src/jl-graphic/ui/ContextMenu';
 import { AxleCounting } from 'src/graphics/axleCounting/AxleCounting';
 import { ApiError } from 'src/boot/axios';
 import { state } from 'src/protos/device_state';
+import { getKmDistance } from '../lineScene';
 
 export class SectionData extends GraphicDataBase implements ISectionData {
   constructor(data?: graphicData.Section) {
@@ -229,21 +230,21 @@ export class SectionOperateInteraction extends GraphicInteractionPlugin<Section>
           section,
           AxleCounting.Type
         );
-      let A = 0;
-      let B = 0;
+      let AKm;
+      let BKm;
       if (relations.length == 2) {
         relations.forEach((item) => {
           const rp = item.getRelationParam(section);
           const other = item.getOtherGraphic(section) as AxleCounting;
           if (rp.getParam() == 'A') {
-            A = other.datas.kilometerSystem.kilometer;
+            AKm = other.datas.kilometerSystem;
           }
           if (rp.getParam() == 'B') {
-            B = other.datas.kilometerSystem.kilometer;
+            BKm = other.datas.kilometerSystem;
           }
         });
       }
-      const d = Math.abs(B - A);
+      const d = getKmDistance(BKm, AKm);
       Dialog.create({
         title: '创建列车',
         message: '',
diff --git a/src/drawApp/graphics/TurnoutInteraction.ts b/src/drawApp/graphics/TurnoutInteraction.ts
index 94c55ad..177e283 100644
--- a/src/drawApp/graphics/TurnoutInteraction.ts
+++ b/src/drawApp/graphics/TurnoutInteraction.ts
@@ -30,6 +30,7 @@ import { successNotify } from 'src/utils/CommonNotify';
 import { AxleCounting } from 'src/graphics/axleCounting/AxleCounting';
 import { request } from 'src/protos/request';
 import { ApiError } from 'src/boot/axios';
+import { getKmDistance } from '../lineScene';
 
 function getDefaultEndPoint() {
   return {
@@ -122,11 +123,11 @@ export class TurnoutOperationPlugin extends GraphicInteractionPlugin<Turnout> {
         const rp = item.getRelationParam(turnout);
         return rp.getParam() == port;
       });
-      const o = turnout.datas.kilometerSystem[0].kilometer;
-      let p = 0;
+      const oKm = turnout.datas.kilometerSystem[0];
+      let pKm;
       if (findAc) {
         const other = findAc.getOtherGraphic(turnout) as AxleCounting;
-        p = other.datas.kilometerSystem.kilometer;
+        pKm = other.datas.kilometerSystem;
       } else {
         const relations =
           turnout.relationManage.getRelationsOfGraphicAndOtherType(
@@ -139,10 +140,10 @@ export class TurnoutOperationPlugin extends GraphicInteractionPlugin<Turnout> {
         });
         if (findT) {
           const other = findT.getOtherGraphic(turnout) as Turnout;
-          p = other.datas.kilometerSystem[0].kilometer;
+          pKm = other.datas.kilometerSystem[0];
         }
       }
-      const d = Math.abs(p - o);
+      const d = getKmDistance(pKm, oKm);
       Dialog.create({
         title: '创建列车',
         message: '',
diff --git a/src/drawApp/lineScene.ts b/src/drawApp/lineScene.ts
index 4386067..d40b74e 100644
--- a/src/drawApp/lineScene.ts
+++ b/src/drawApp/lineScene.ts
@@ -14,7 +14,11 @@ import {
   SignalOperateInteraction,
   SignalState,
 } from './graphics/SignalInteraction';
-import { SignalTemplate, Signal } from 'src/graphics/signal/Signal';
+import {
+  SignalTemplate,
+  Signal,
+  KilometerSystem,
+} from 'src/graphics/signal/Signal';
 import {
   PlatformData,
   PlatformOperateInteraction,
@@ -270,6 +274,9 @@ export function initLineScene(lineApp: IGraphicApp, sceneName: string) {
     ControlShowType(lineScene);
     handleSubscribe(lineScene);
   });
+  lineApp.on('destroy', () => {
+    kilometerConvertMap.clear();
+  });
 }
 
 function handleSubscribe(lineScene: IGraphicScene) {
@@ -419,6 +426,7 @@ export async function loadLineDatas(): Promise<IGraphicStorage> {
     );
     console.log('加载数据', storage);
     // app.updateCanvas(storage.canvas);
+    kilometerConvertMap.set(lineStore.sceneName, storage.kilometerConvertList);
 
     const datas: GraphicData[] = [];
     storage.Platforms.forEach((platform) => {
@@ -507,3 +515,49 @@ export async function loadLineDatas(): Promise<IGraphicStorage> {
     });
   }
 }
+
+const kilometerConvertMap: Map<string, graphicData.KilometerConvert[]> =
+  new Map();
+export function getKmDistance(
+  km1?: KilometerSystem,
+  km2?: KilometerSystem
+): number {
+  let d = 0;
+  if (!km1 || !km2) {
+    return 0;
+  }
+  if (km1.coordinateSystem == km2.coordinateSystem) {
+    d = Math.abs(km1.kilometer - km2.kilometer);
+  } else {
+    const lineStore = useLineStore();
+    const kmSystemList = kilometerConvertMap.get(lineStore.sceneName);
+    const find = kmSystemList?.find((item) => {
+      return (
+        (item.kmA.coordinateSystem == km1.coordinateSystem &&
+          item.kmB.coordinateSystem == km2.coordinateSystem) ||
+        (item.kmA.coordinateSystem == km2.coordinateSystem &&
+          item.kmB.coordinateSystem == km1.coordinateSystem)
+      );
+    });
+    if (find) {
+      const isA = find.kmA.coordinateSystem == km1.coordinateSystem;
+      let m1;
+      let m2;
+      if (isA) {
+        m1 = km1.kilometer - find.kmA.kilometer;
+        m2 = km2.kilometer - find.kmB.kilometer;
+      } else {
+        m1 = km1.kilometer - find.kmB.kilometer;
+        m2 = km2.kilometer - find.kmA.kilometer;
+      }
+      if (find.sameTrend) {
+        d = Math.abs(m1 - m2);
+      } else {
+        d = Math.abs(m1 + m2);
+      }
+    } else {
+      console.log('没有找到对应的公里标转换');
+    }
+  }
+  return d;
+}
diff --git a/src/drawApp/relayScene.ts b/src/drawApp/relayScene.ts
index e8553df..b6b656c 100644
--- a/src/drawApp/relayScene.ts
+++ b/src/drawApp/relayScene.ts
@@ -58,7 +58,7 @@ export function initRelayScene(lineApp: IGraphicApp, sceneName: string) {
       relay.refDevice.text = map.get(relay.id)?.replace(/_/g, '\n') as string;
     });
   });
-  relayScene.on('destroy', () => {
+  lineApp.on('destroy', () => {
     refRelaysList = [];
   });
 }
diff --git a/src/graphics/train/Train.ts b/src/graphics/train/Train.ts
index 18815fc..0752c6a 100644
--- a/src/graphics/train/Train.ts
+++ b/src/graphics/train/Train.ts
@@ -13,6 +13,7 @@ import { Turnout, TurnoutPort } from '../turnout/Turnout';
 import { Section } from '../section/Section';
 import { AxleCounting } from '../axleCounting/AxleCounting';
 import { state } from 'src/protos/device_state';
+import { getKmDistance } from 'src/drawApp/lineScene';
 
 export interface ITrainData extends GraphicData {
   get code(): string; // 车号
@@ -346,11 +347,11 @@ export class Train extends JlGraphic {
         const rp = item.getRelationParam(dev as Turnout);
         return rp.getParam() == this.states.devicePort;
       });
-      const o = dev.datas.kilometerSystem[0].kilometer;
-      let p = 0;
+      const oKm = dev.datas.kilometerSystem[0];
+      let pKm;
       if (findAc) {
         const other = findAc.getOtherGraphic(dev) as AxleCounting;
-        p = other.datas.kilometerSystem.kilometer;
+        pKm = other.datas.kilometerSystem;
       } else {
         const relations = dev.relationManage.getRelationsOfGraphicAndOtherType(
           dev,
@@ -362,10 +363,10 @@ export class Train extends JlGraphic {
         });
         if (findT) {
           const other = findT.getOtherGraphic(dev) as Turnout;
-          p = other.datas.kilometerSystem[0].kilometer;
+          pKm = other.datas.kilometerSystem[0];
         }
       }
-      allLength = Math.abs(p - o);
+      allLength = getKmDistance(pKm, oKm);
       const portP = points[points.length - 1];
       const j = 10;
       if (Math.abs(portP.x) < j) {
@@ -387,8 +388,8 @@ export class Train extends JlGraphic {
         dev,
         AxleCounting.Type
       );
-      let A = 0;
-      let B = 0;
+      let AKm;
+      let BKm;
       let hasA = false;
       let hasB = false;
       // 获取区段A、B端的公里标，计算区段总度
@@ -396,16 +397,16 @@ export class Train extends JlGraphic {
         const rp = item.getRelationParam(dev as Section);
         const other = item.getOtherGraphic(dev as Section) as AxleCounting;
         if (rp.getParam() == 'A') {
-          A = other.datas.kilometerSystem.kilometer;
+          AKm = other.datas.kilometerSystem;
           hasA = true;
         }
         if (rp.getParam() == 'B') {
-          B = other.datas.kilometerSystem.kilometer;
+          BKm = other.datas.kilometerSystem;
           hasB = true;
         }
       });
       if (hasA && hasB) {
-        allLength = Math.abs(B - A);
+        allLength = getKmDistance(BKm, AKm);
         const portS = points[0];
         const portE = points[points.length - 1];
         this.isSyntropy = portE.x > portS.x;