diff --git a/components/packages/Turnout/THTurnout.d.ts b/components/packages/Turnout/THTurnout.d.ts
index 6414cf4..0c25b1a 100644
--- a/components/packages/Turnout/THTurnout.d.ts
+++ b/components/packages/Turnout/THTurnout.d.ts
@@ -28,12 +28,14 @@ export interface ITHTurnoutState extends GraphicState {
 export declare class THTurnout extends JlTurnout {
     labelRect: Graphics;
     speedLimit: Graphics;
+    lostIndicationSquare: Graphics;
     deltaTime: number;
     constructor();
     get states(): ITHTurnoutState;
     doRepaint(): void;
+    setLineColor(color: string): void;
     getSpeedLimitLinePoints(conf: 'normal' | 'reverse' | 'main'): IPointData[][];
-    bindFlashAnimation(gList: Graphics[]): GraphicAnimation;
+    bindFlashAnimation(gList: Graphics[], name: string): GraphicAnimation;
     buildRelation(): void;
     saveRelations(): void;
     loadRelations(): void;
diff --git a/components/packages/Turnout/THTurnout.js b/components/packages/Turnout/THTurnout.js
index bc6697e..c777ac8 100644
--- a/components/packages/Turnout/THTurnout.js
+++ b/components/packages/Turnout/THTurnout.js
@@ -11,16 +11,17 @@ const TurnoutLabelColor = {
     RED: '#f00',
     WHITE: '#fff',
 };
-//ForkGraphic单独处理
 class THTurnout extends JlTurnout {
     labelRect;
     speedLimit;
+    lostIndicationSquare;
     deltaTime;
     constructor() {
         super(THConsts);
         this.name = 'turnout';
         this.labelRect = new Graphics();
         this.speedLimit = new Graphics();
+        this.lostIndicationSquare = new Graphics();
         this.addChild(this.labelRect);
         this.addChild(this.speedLimit);
         this.deltaTime = 0;
@@ -32,31 +33,58 @@ class THTurnout extends JlTurnout {
         //线条颜色
         const station = this.queryStore.queryByCodeAndType(this.states.rtuId > 9 ? '' + this.states.rtuId : '0' + this.states.rtuId, THStation.Type);
         if (station?.states.ipRtuStusDown) {
-            this.graphics.sections.forEach((g) => (g.stateFillColor = THConsts.blueShowColor));
+            this.setLineColor(THConsts.blueShowColor);
         }
         else if (this.states.ipSingleSwitchStusCbtcOccupied) {
-            this.graphics.sections.forEach((g) => (g.stateFillColor = THConsts.cbtcOccupiedColor));
+            this.setLineColor(THConsts.cbtcOccupiedColor);
         }
         else if (this.states.ipSingleSwitchStusCiOccupied) {
-            this.graphics.sections.forEach((g) => (g.stateFillColor = THConsts.ciOccupiedColor));
+            this.setLineColor(THConsts.ciOccupiedColor);
         }
         else if (this.states.ipSingleSwitchStusLocked ||
             this.states.ipSingleSwitchStusFailLocked) {
-            this.graphics.sections.forEach((g) => (g.stateFillColor = THConsts.lockedColor));
+            this.setLineColor(THConsts.lockedColor);
         }
         else if (this.states.ipSingleSwitchStusAtcInvalid) {
-            this.graphics.sections.forEach((g) => (g.stateFillColor = THConsts.atcInvalidColor));
+            this.setLineColor(THConsts.atcInvalidColor);
         }
         else if (this.states.ipSingleSwitchStusOverlap) {
-            this.graphics.sections.forEach((g) => (g.stateFillColor = THConsts.overlapColor));
+            this.setLineColor(THConsts.overlapColor);
         }
         else {
-            this.graphics.sections.forEach((g) => (g.stateFillColor = THConsts.idleColor));
+            this.setLineColor(THConsts.idleColor);
+        }
+        if (this.states.ipSingleSwitchStusJammed /* ||
+        this.turnout.states.ipSingleSwitchStusLostIndication */) {
+            let x, y;
+            const w = 24, h = 24;
+            if (this.datas.pointA[0].x > this.datas.pointB[0].x) {
+                x = -22;
+            }
+            else {
+                x = -2;
+            }
+            if (this.datas.pointC[0].y > 0) {
+                y = -2;
+            }
+            else {
+                y = -20;
+            }
+            this.lostIndicationSquare.lineStyle(2, '#f00').drawRect(x, y, w, h);
+            const flashAnimation = this.bindFlashAnimation([this.lostIndicationSquare], 'lostIndicationFlash');
+            flashAnimation.resume();
+            return;
+        }
+        const { pointB, pointC } = this.datas;
+        if (this.states.ipSingleSwitchStusNormal) {
+            this.graphics.fork.paint(pointB[0]);
+            this.removeAllAnimation();
+        }
+        else if (this.states.ipSingleSwitchStusReverse) {
+            this.graphics.fork.paint(pointC[0]);
+            this.removeAllAnimation();
         }
         super.draw();
-        const { pointB, pointC } = this.datas;
-        this.graphics.fork.paint(pointB[0]);
-        this.graphics.fork.paint(pointC[0]);
         this.graphics.label.text = this.datas.code;
         //文字颜色
         if (this.states.ipSingleSwitchStusBlocked1) {
@@ -118,18 +146,21 @@ class THTurnout extends JlTurnout {
                     this.graphics.fork,
                     this.graphics.sections[0],
                     this.graphics.sections[1],
-                ]);
+                ], 'flash');
             }
             else if (this.states.ipSingleSwitchStusReverse) {
                 this.bindFlashAnimation([
                     this.graphics.fork,
                     this.graphics.sections[0],
                     this.graphics.sections[2],
-                ]);
+                ], 'flash');
             }
             this.animation('flash')?.resume();
         }
     }
+    setLineColor(color) {
+        this.graphics.sections.forEach((g) => (g.stateFillColor = color));
+    }
     getSpeedLimitLinePoints(conf) {
         const [pa, pb, pc] = [
             this.datas.pointA[0],
@@ -185,9 +216,9 @@ class THTurnout extends JlTurnout {
             ];
         }
     }
-    bindFlashAnimation(gList) {
+    bindFlashAnimation(gList, name) {
         const flashAnimation = GraphicAnimation.init({
-            name: 'flash',
+            name,
             run: (dt) => {
                 this.deltaTime += dt;
                 if (this.deltaTime > 60) {
diff --git a/components/packages/Turnout/common/JlTurnout.d.ts b/components/packages/Turnout/common/JlTurnout.d.ts
index 1244644..0ad6dbe 100644
--- a/components/packages/Turnout/common/JlTurnout.d.ts
+++ b/components/packages/Turnout/common/JlTurnout.d.ts
@@ -4,7 +4,7 @@ import { DevicePort } from 'common/common';
 import { ITurnoutData, TurnoutConstsConfig } from './TurnoutConfig';
 import { JlSection } from 'src/packages/Section/common/JlSection';
 export declare function getForkPoint(r: number, p: IPointData): IPointData;
-declare class TurnoutSection extends Graphics {
+export declare class TurnoutSection extends Graphics {
     turnoutConsts: TurnoutConstsConfig;
     turnout: JlTurnout;
     port: DevicePort;
@@ -16,6 +16,7 @@ declare class ForkGraphic extends Graphics {
     turnoutConsts: TurnoutConstsConfig;
     turnout: JlTurnout;
     stateFillColor?: string;
+    dt: number;
     constructor(turnout: JlTurnout, turnoutConsts: TurnoutConstsConfig);
     paint(p: IPointData): void;
 }
diff --git a/components/packages/Turnout/common/JlTurnout.js b/components/packages/Turnout/common/JlTurnout.js
index 2e3fc67..d74c924 100644
--- a/components/packages/Turnout/common/JlTurnout.js
+++ b/components/packages/Turnout/common/JlTurnout.js
@@ -51,6 +51,7 @@ class ForkGraphic extends Graphics {
     turnoutConsts;
     turnout;
     stateFillColor;
+    dt = 0;
     constructor(turnout, turnoutConsts) {
         super();
         this.turnoutConsts = turnoutConsts;
@@ -66,7 +67,7 @@ class ForkGraphic extends Graphics {
     }
 }
 class JlTurnout extends JlGraphic {
-    static Type = 'JlTurnout';
+    static Type = 'Turnout';
     graphics;
     constructor(turnoutConsts) {
         super(JlTurnout.Type);
@@ -231,4 +232,4 @@ class JlTurnout extends JlGraphic {
     }
 }
 
-export { JlTurnout, getForkPoint };
+export { JlTurnout, TurnoutSection, getForkPoint };
diff --git a/src/packages/Turnout/THTurnout.ts b/src/packages/Turnout/THTurnout.ts
index f7ed871..deb414b 100644
--- a/src/packages/Turnout/THTurnout.ts
+++ b/src/packages/Turnout/THTurnout.ts
@@ -42,16 +42,17 @@ export interface ITHTurnoutState extends GraphicState {
   rtuId: number;
 }
 
-//ForkGraphic单独处理
 export class THTurnout extends JlTurnout {
   labelRect: Graphics;
   speedLimit: Graphics;
+  lostIndicationSquare: Graphics;
   deltaTime: number;
   constructor() {
     super(THConsts);
     this.name = 'turnout';
     this.labelRect = new Graphics();
     this.speedLimit = new Graphics();
+    this.lostIndicationSquare = new Graphics();
     this.addChild(this.labelRect);
     this.addChild(this.speedLimit);
     this.deltaTime = 0;
@@ -66,42 +67,60 @@ export class THTurnout extends JlTurnout {
       THStation.Type,
     );
     if (station?.states.ipRtuStusDown) {
-      this.graphics.sections.forEach(
-        (g) => (g.stateFillColor = THConsts.blueShowColor),
-      );
+      this.setLineColor(THConsts.blueShowColor);
     } else if (this.states.ipSingleSwitchStusCbtcOccupied) {
-      this.graphics.sections.forEach(
-        (g) => (g.stateFillColor = THConsts.cbtcOccupiedColor),
-      );
+      this.setLineColor(THConsts.cbtcOccupiedColor);
     } else if (this.states.ipSingleSwitchStusCiOccupied) {
-      this.graphics.sections.forEach(
-        (g) => (g.stateFillColor = THConsts.ciOccupiedColor),
-      );
+      this.setLineColor(THConsts.ciOccupiedColor);
     } else if (
       this.states.ipSingleSwitchStusLocked ||
       this.states.ipSingleSwitchStusFailLocked
     ) {
-      this.graphics.sections.forEach(
-        (g) => (g.stateFillColor = THConsts.lockedColor),
-      );
+      this.setLineColor(THConsts.lockedColor);
     } else if (this.states.ipSingleSwitchStusAtcInvalid) {
-      this.graphics.sections.forEach(
-        (g) => (g.stateFillColor = THConsts.atcInvalidColor),
-      );
+      this.setLineColor(THConsts.atcInvalidColor);
     } else if (this.states.ipSingleSwitchStusOverlap) {
-      this.graphics.sections.forEach(
-        (g) => (g.stateFillColor = THConsts.overlapColor),
-      );
+      this.setLineColor(THConsts.overlapColor);
     } else {
-      this.graphics.sections.forEach(
-        (g) => (g.stateFillColor = THConsts.idleColor),
+      this.setLineColor(THConsts.idleColor);
+    }
+
+    if (
+      this.states.ipSingleSwitchStusJammed /* ||
+      this.turnout.states.ipSingleSwitchStusLostIndication */
+    ) {
+      let x: number, y: number;
+      const w = 24,
+        h = 24;
+      if (this.datas.pointA[0].x > this.datas.pointB[0].x) {
+        x = -22;
+      } else {
+        x = -2;
+      }
+      if (this.datas.pointC[0].y > 0) {
+        y = -2;
+      } else {
+        y = -20;
+      }
+      this.lostIndicationSquare.lineStyle(2, '#f00').drawRect(x, y, w, h);
+      const flashAnimation = this.bindFlashAnimation(
+        [this.lostIndicationSquare],
+        'lostIndicationFlash',
       );
+      flashAnimation.resume();
+      return;
+    }
+
+    const { pointB, pointC } = this.datas;
+    if (this.states.ipSingleSwitchStusNormal) {
+      this.graphics.fork.paint(pointB[0]);
+      this.removeAllAnimation();
+    } else if (this.states.ipSingleSwitchStusReverse) {
+      this.graphics.fork.paint(pointC[0]);
+      this.removeAllAnimation();
     }
 
     super.draw();
-    const { pointB, pointC } = this.datas;
-    this.graphics.fork.paint(pointB[0]);
-    this.graphics.fork.paint(pointC[0]);
 
     this.graphics.label.text = this.datas.code;
 
@@ -170,21 +189,30 @@ export class THTurnout extends JlTurnout {
 
     if (this.states.ipSingleSwitchStusCut) {
       if (this.states.ipSingleSwitchStusNormal) {
-        this.bindFlashAnimation([
-          this.graphics.fork,
-          this.graphics.sections[0],
-          this.graphics.sections[1],
-        ]);
+        this.bindFlashAnimation(
+          [
+            this.graphics.fork,
+            this.graphics.sections[0],
+            this.graphics.sections[1],
+          ],
+          'flash',
+        );
       } else if (this.states.ipSingleSwitchStusReverse) {
-        this.bindFlashAnimation([
-          this.graphics.fork,
-          this.graphics.sections[0],
-          this.graphics.sections[2],
-        ]);
+        this.bindFlashAnimation(
+          [
+            this.graphics.fork,
+            this.graphics.sections[0],
+            this.graphics.sections[2],
+          ],
+          'flash',
+        );
       }
       this.animation('flash')?.resume();
     }
   }
+  setLineColor(color: string) {
+    this.graphics.sections.forEach((g) => (g.stateFillColor = color));
+  }
   getSpeedLimitLinePoints(conf: 'normal' | 'reverse' | 'main'): IPointData[][] {
     const [pa, pb, pc] = [
       this.datas.pointA[0],
@@ -263,9 +291,9 @@ export class THTurnout extends JlTurnout {
       ];
     }
   }
-  bindFlashAnimation(gList: Graphics[]) {
+  bindFlashAnimation(gList: Graphics[], name: string) {
     const flashAnimation = GraphicAnimation.init({
-      name: 'flash',
+      name,
       run: (dt: number) => {
         this.deltaTime += dt;
         if (this.deltaTime > 60) {