diff --git a/src/graphics/sectionLink/SectionLink.ts b/src/graphics/sectionLink/SectionLink.ts
index 587308b..b25baeb 100644
--- a/src/graphics/sectionLink/SectionLink.ts
+++ b/src/graphics/sectionLink/SectionLink.ts
@@ -7,9 +7,14 @@ import {
   IChildTransform,
   getNormalVector,
   movePointAlongNormal,
+  GraphicRelationParam,
 } from 'src/jl-graphic';
 import { ILineGraphic } from 'src/jl-graphic/plugins/GraphicEditPlugin';
-import { IRelatedRefData, ISimpleRefData } from '../CommonGraphics';
+import {
+  IRelatedRefData,
+  ISimpleRefData,
+  protoPort2Data,
+} from '../CommonGraphics';
 
 export interface ISectionLinkData extends GraphicData {
   get code(): string; // 编号
@@ -139,6 +144,43 @@ export class SectionLink extends JlGraphic implements ILineGraphic {
     old.points = points;
     this.updateData(old);
   }
+
+  loadRelations(): void {
+    if (this.datas.aSimRef) {
+      this.relationManage.addRelation(
+        new GraphicRelationParam(this, 'A'),
+        new GraphicRelationParam(
+          this.queryStore.queryById(this.datas.aSimRef.id)
+        )
+      );
+    }
+    if (this.datas.bSimRef) {
+      this.relationManage.addRelation(
+        new GraphicRelationParam(this, 'B'),
+        new GraphicRelationParam(
+          this.queryStore.queryById(this.datas.bSimRef.id)
+        )
+      );
+    }
+    if (this.datas.aRef) {
+      this.relationManage.addRelation(
+        new GraphicRelationParam(this, 'A'),
+        new GraphicRelationParam(
+          this.queryStore.queryById(this.datas.aRef.id),
+          protoPort2Data(this.datas.aRef.devicePort)
+        )
+      );
+    }
+    if (this.datas.bRef) {
+      this.relationManage.addRelation(
+        new GraphicRelationParam(this, 'B'),
+        new GraphicRelationParam(
+          this.queryStore.queryById(this.datas.bRef.id),
+          protoPort2Data(this.datas.bRef.devicePort)
+        )
+      );
+    }
+  }
 }
 
 export class SectionLinkTemplate extends JlGraphicTemplate<SectionLink> {
diff --git a/src/graphics/sectionLink/SectionLinkDrawAssistant.ts b/src/graphics/sectionLink/SectionLinkDrawAssistant.ts
index 53cc609..b5671e3 100644
--- a/src/graphics/sectionLink/SectionLinkDrawAssistant.ts
+++ b/src/graphics/sectionLink/SectionLinkDrawAssistant.ts
@@ -107,7 +107,6 @@ export class SectionLinkDraw extends GraphicDrawAssistant<
     } else {
       throw new Error('无法判断linkAB端');
     }
-    this.storeGraphic(sectionLink);
     return sectionLink;
   }
   generateByTurnoutAxle(
@@ -152,7 +151,6 @@ export class SectionLinkDraw extends GraphicDrawAssistant<
       throw new Error('无法判断linkAB端');
     }
     sectionLink.datas.points = points;
-    this.storeGraphic(sectionLink);
     return sectionLink;
   }
   generateByTurnout(
@@ -219,7 +217,7 @@ export class SectionLinkDraw extends GraphicDrawAssistant<
     }
     points.push(forkP2);
     sectionLink.datas.points = points;
-    this.storeGraphic(sectionLink);
+    return sectionLink;
   }
   /**
    * 缓存计轴和link关系，为生成link关联关系提供数据依据
@@ -338,6 +336,33 @@ export class SectionLinkDraw extends GraphicDrawAssistant<
       map.set(deviceId, [devicePort]);
     }
   }
+  /**
+   * 构建现有link识别list
+   */
+  buildLinkRecognize(): string[] {
+    const sectionLinkList = this.app.queryStore.queryByType<SectionLink>(
+      SectionLink.Type
+    );
+    const curLinks: string[] = [];
+    sectionLinkList.forEach((link) => {
+      const id1 = link.datas.aSimRef?.id;
+      const id2 = link.datas.bSimRef?.id;
+      curLinks.push(id1 + '_' + id2);
+    });
+    return curLinks;
+  }
+  /**
+   * 识别是否已有相同link,如没有则创建
+   * @param curLinks
+   * @param sectionLink
+   */
+  recognizeAndCreateLink(curLinks: string[], sectionLink: SectionLink) {
+    const id1 = sectionLink.datas.aSimRef?.id;
+    const id2 = sectionLink.datas.bSimRef?.id;
+    if (!curLinks.includes(id1 + '_' + id2)) {
+      this.storeGraphic(sectionLink);
+    }
+  }
   /**
    * 一键生成link
    */
@@ -352,6 +377,7 @@ export class SectionLinkDraw extends GraphicDrawAssistant<
     const tpMap: Map<string, graphicData.RelatedRef.DevicePort[]> = new Map();
     // 已生成link的section数据（两计轴之间的区段）
     const gSectionList: string[] = [];
+    const curLinks = this.buildLinkRecognize();
     axleCountingList.forEach((axleCounting) => {
       axleCounting.datas.axleCountingRef.forEach((device) => {
         const g = this.app.queryStore.queryById(device.id);
@@ -371,6 +397,7 @@ export class SectionLinkDraw extends GraphicDrawAssistant<
               axle1
             );
             gSectionList.push(g.id);
+            this.recognizeAndCreateLink(curLinks, link);
             this.cacheAxleLinkRelation(axleRefLink, axleCounting.id, link.id);
             this.cacheAxleLinkRelation(axleRefLink, axle1.id, link.id);
           }
@@ -380,6 +407,7 @@ export class SectionLinkDraw extends GraphicDrawAssistant<
             device.devicePort,
             axleCounting
           );
+          this.recognizeAndCreateLink(curLinks, link);
           this.cacheAxleLinkRelation(axleRefLink, axleCounting.id, link.id);
           this.cacheTurnoutPort(tpMap, g.id, device.devicePort);
         }
@@ -397,7 +425,8 @@ export class SectionLinkDraw extends GraphicDrawAssistant<
         turnout.datas.paRef.deviceType === rrDeviceType.Turnout
       ) {
         pRef = turnout.datas.paRef;
-        this.generateByTurnout(turnout, rrDevicePort.A, pRef);
+        const link = this.generateByTurnout(turnout, rrDevicePort.A, pRef);
+        this.recognizeAndCreateLink(curLinks, link);
       }
       if (
         !pList.includes(rrDevicePort.B) &&
@@ -405,7 +434,8 @@ export class SectionLinkDraw extends GraphicDrawAssistant<
         turnout.datas.pbRef.deviceType === rrDeviceType.Turnout
       ) {
         pRef = turnout.datas.pbRef;
-        this.generateByTurnout(turnout, rrDevicePort.B, pRef);
+        const link = this.generateByTurnout(turnout, rrDevicePort.B, pRef);
+        this.recognizeAndCreateLink(curLinks, link);
       }
       if (
         !pList.includes(rrDevicePort.C) &&
@@ -413,7 +443,8 @@ export class SectionLinkDraw extends GraphicDrawAssistant<
         turnout.datas.pcRef.deviceType === rrDeviceType.Turnout
       ) {
         pRef = turnout.datas.pcRef;
-        this.generateByTurnout(turnout, rrDevicePort.C, pRef);
+        const link = this.generateByTurnout(turnout, rrDevicePort.C, pRef);
+        this.recognizeAndCreateLink(curLinks, link);
       }
       tpMap.set(turnout.id, [rrDevicePort.A, rrDevicePort.B, rrDevicePort.C]);
       if (pRef) {
diff --git a/src/layouts/DrawLayout.vue b/src/layouts/DrawLayout.vue
index 5f4c132..38d293e 100644
--- a/src/layouts/DrawLayout.vue
+++ b/src/layouts/DrawLayout.vue
@@ -369,10 +369,6 @@ function oneClickLogicSection() {
 }
 function oneClickLink() {
   drawStore.oneClickType = 'SectionLink';
-  const linkList = drawStore
-    .getDrawApp()
-    .queryStore.queryByType(SectionLink.Type);
-  drawStore.getDrawApp().deleteGraphics(...linkList);
   const draw = drawStore
     .getDrawApp()
     .getDrawAssistant<SectionLinkDraw>(SectionLink.Type);