diff --git a/src/drawApp/graphics/SectionInteraction.ts b/src/drawApp/graphics/SectionInteraction.ts
index 2906369..ee63ffb 100644
--- a/src/drawApp/graphics/SectionInteraction.ts
+++ b/src/drawApp/graphics/SectionInteraction.ts
@@ -53,11 +53,11 @@ export class SectionData extends GraphicDataBase implements ISectionData {
   set sectionType(type: graphicData.Section.SectionType) {
     this.data.sectionType = type;
   }
-  get axleCountings(): string[] {
-    return this.data.axleCountings;
+  get axleCountings(): number[] {
+    return this.data.axleCountings.map((a) => Number(a));
   }
-  set axleCountings(axleCountings: string[]) {
-    this.data.axleCountings = axleCountings;
+  set axleCountings(axleCountings: number[]) {
+    this.data.axleCountings = axleCountings.map((a) => a.toString());
   }
   get children(): number[] {
     return this.data.children;
diff --git a/src/graphics/section/Section.ts b/src/graphics/section/Section.ts
index 499121d..3ab5e19 100644
--- a/src/graphics/section/Section.ts
+++ b/src/graphics/section/Section.ts
@@ -40,8 +40,8 @@ export interface ISectionData extends GraphicData {
   set pbRef(ref: IRelatedRefData | undefined);
   get sectionType(): SectionType;
   set sectionType(type: SectionType);
-  get axleCountings(): string[];
-  set axleCountings(axleCountings: string[]);
+  get axleCountings(): number[];
+  set axleCountings(axleCountings: number[]);
   get children(): number[];
   set children(children: number[]);
   get destinationCode(): string;
@@ -233,9 +233,11 @@ export class Section extends JlGraphic implements ILineGraphic {
 
   buildRelation() {
     this.relationManage.deleteRelationOfGraphicAndOtherType(this, Section.Type);
+    if (this.datas.sectionType === SectionType.TurnoutPhysical) return;
     /** 区段与区段 */
     this.queryStore.queryByType<Section>(Section.Type).forEach((section) => {
       if (section.id === this.id) return;
+      if (section.datas.sectionType === SectionType.TurnoutPhysical) return;
 
       let param: SectionPort[] = [];
       if (
@@ -346,7 +348,6 @@ export class Section extends JlGraphic implements ILineGraphic {
       });
     }
     if (
-      this.datas.children &&
       this.datas.children &&
       this.datas.sectionType === SectionType.TurnoutPhysical
     ) {
diff --git a/src/graphics/section/SectionDrawAssistant.ts b/src/graphics/section/SectionDrawAssistant.ts
index f6291f7..9b7a126 100644
--- a/src/graphics/section/SectionDrawAssistant.ts
+++ b/src/graphics/section/SectionDrawAssistant.ts
@@ -123,7 +123,7 @@ export class SectionDraw extends GraphicDrawAssistant<
   }
 
   generateTurnoutSection() {
-    const turnoutIds: string[] = []; /* 已遍历的道岔id列表 */
+    const turnoutIds: number[] = []; /* 已遍历的道岔id列表 */
     const dfs = (turnout: Turnout) => {
       const axleCountings: AxleCounting[] = [];
       const turnouts: Turnout[] = [];
@@ -173,6 +173,18 @@ export class SectionDraw extends GraphicDrawAssistant<
         turnoutPhysicalSectionData.axleCountings = result.axleCountings.map(
           (ac) => ac.datas.id
         );
+        const exsit = this.app.queryStore
+          .queryByType<Section>(Section.Type)
+          .filter((g) => g.datas.sectionType === SectionType.TurnoutPhysical)
+          .some(
+            (ts) =>
+              ts.datas.axleCountings.every((id) =>
+                turnoutPhysicalSectionData.axleCountings.includes(id)
+              ) &&
+              ts.datas.axleCountings.length ===
+                turnoutPhysicalSectionData.axleCountings.length
+          );
+        if (exsit) return;
         turnoutPhysicalSectionData.children = result.turnouts.map(
           (t) => t.datas.id
         );
diff --git a/src/graphics/turnout/Turnout.ts b/src/graphics/turnout/Turnout.ts
index c938cb0..3075798 100644
--- a/src/graphics/turnout/Turnout.ts
+++ b/src/graphics/turnout/Turnout.ts
@@ -13,7 +13,7 @@ import {
   epsilon,
   Vector2,
 } from 'jl-graphic';
-import { Section, SectionPort } from '../section/Section';
+import { Section, SectionPort, SectionType } from '../section/Section';
 import {
   IRelatedRefData,
   createRelatedRefProto,
@@ -541,39 +541,47 @@ export class Turnout extends JlGraphic {
   buildRelation(): void {
     this.relationManage.deleteRelationOfGraphic(this);
 
+
     /** 道岔和区段 */
-    this.queryStore.queryByType<Section>(Section.Type).forEach((section) => {
-      this.getPortPoints().forEach((port, i) => {
-        if (
-          distance2(
-            section.localToCanvasPoint(section.getStartPoint()),
-            this.localToCanvasPoint(port[port.length - 1])
-          ) <= epsilon
-        ) {
-          this.relationManage.addRelation(
-            new GraphicRelationParam(
-              this,
-              [TurnoutPort.A, TurnoutPort.B, TurnoutPort.C][i]
-            ),
-            new GraphicRelationParam(section, SectionPort.A)
-          );
-        }
-        if (
-          distance2(
-            section.localToCanvasPoint(section.getEndPoint()),
-            this.localToCanvasPoint(port[port.length - 1])
-          ) <= epsilon
-        ) {
-          this.relationManage.addRelation(
-            new GraphicRelationParam(
-              this,
-              [TurnoutPort.A, TurnoutPort.B, TurnoutPort.C][i]
-            ),
-            new GraphicRelationParam(section, SectionPort.B)
-          );
+    this.queryStore.queryByType<Section>(Section.Type)
+      .forEach((section) => {
+        if (section.datas.sectionType === SectionType.TurnoutPhysical) {
+          if (section.datas.children.includes(this.datas.id)) {
+            this.relationManage.addRelation(this, section)
+          }
+          return
         }
+        this.getPortPoints().forEach((port, i) => {
+          if (
+            distance2(
+              section.localToCanvasPoint(section.getStartPoint()),
+              this.localToCanvasPoint(port[port.length - 1])
+            ) <= epsilon
+          ) {
+            this.relationManage.addRelation(
+              new GraphicRelationParam(
+                this,
+                [TurnoutPort.A, TurnoutPort.B, TurnoutPort.C][i]
+              ),
+              new GraphicRelationParam(section, SectionPort.A)
+            );
+          }
+          if (
+            distance2(
+              section.localToCanvasPoint(section.getEndPoint()),
+              this.localToCanvasPoint(port[port.length - 1])
+            ) <= epsilon
+          ) {
+            this.relationManage.addRelation(
+              new GraphicRelationParam(
+                this,
+                [TurnoutPort.A, TurnoutPort.B, TurnoutPort.C][i]
+              ),
+              new GraphicRelationParam(section, SectionPort.B)
+            );
+          }
+        });
       });
-    });
 
     /** 道岔和道岔 */
     this.getPortPoints().forEach((thisPort, i) => {
@@ -656,10 +664,13 @@ export class Turnout extends JlGraphic {
     } else {
       this.datas.pbRef = undefined;
     }
+
     const pcRelation = this.relationManage
       .getRelationsOfGraphic(this)
       .find(
         (relation) => relation.getRelationParam(this).param === TurnoutPort.C
+          && (!(relation.getOtherGraphic(this) instanceof Section
+            && relation.getOtherGraphic<Section>(this).datas.sectionType !== SectionType.TurnoutPhysical))
       );
     const pcDevice = pcRelation?.getOtherGraphic<Section | Turnout>(this);
     if (pcDevice) {