diff --git a/src/drawApp/index.ts b/src/drawApp/index.ts
index 13db706..a00aff1 100644
--- a/src/drawApp/index.ts
+++ b/src/drawApp/index.ts
@@ -9,6 +9,7 @@ import {
   GraphicApp,
   GraphicData,
   JlDrawApp,
+  JlGraphic,
   KeyListener,
 } from 'src/jl-graphic';
 import { ContextMenu } from 'src/jl-graphic/ui/ContextMenu';
@@ -77,6 +78,7 @@ import {
   LogicSectionTemplate,
 } from 'src/graphics/logicSection/LogicSection';
 import { LogicSectionData } from './graphics/LogicSectionInteraction';
+import { Notify } from 'quasar';
 
 // export function fromStoragePoint(p: graphicData.Point): Point {
 //   return new Point(p.x, p.y);
@@ -233,8 +235,18 @@ export function initDrawApp(dom: HTMLElement): JlDrawApp {
     ];
     DrawSignalInteraction.init(app);
   }
-
-  app.setOptions({ drawAssistants: drawAssistants });
+  const isSupportDeletion = (g: JlGraphic) => {
+    if (g.type === LogicSection.Type && g.selected) {
+      Notify.create({
+        type: 'warning',
+        message: '逻辑区段不支持删除',
+        timeout: 1000,
+      });
+      return false;
+    }
+    return true;
+  };
+  app.setOptions({ drawAssistants: drawAssistants, isSupportDeletion });
 
   // 画布右键菜单
   app.registerMenu(DefaultCanvasMenu);
diff --git a/src/graphics/axleCounting/AxleCountingDrawAssistant.ts b/src/graphics/axleCounting/AxleCountingDrawAssistant.ts
index 7ac26b5..9c96200 100644
--- a/src/graphics/axleCounting/AxleCountingDrawAssistant.ts
+++ b/src/graphics/axleCounting/AxleCountingDrawAssistant.ts
@@ -191,12 +191,6 @@ export class AxleCountingDraw extends GraphicDrawAssistant<
         if (axleCountingPs.y > height.y) {
           direction = -1;
         }
-        if (
-          section.datas.sectionType === SectionType.Logic ||
-          section.datas.children.includes(refDevice.id)
-        ) {
-          return;
-        }
         if (refDevice.type == Section.Type || refDevice.type == Turnout.Type)
           this.draw(
             axleCountingPs,
diff --git a/src/graphics/separator/SeparatorDrawAssistant.ts b/src/graphics/separator/SeparatorDrawAssistant.ts
index d1a1453..54482cd 100644
--- a/src/graphics/separator/SeparatorDrawAssistant.ts
+++ b/src/graphics/separator/SeparatorDrawAssistant.ts
@@ -74,10 +74,7 @@ export class SeparatorDraw extends GraphicDrawAssistant<
       allR.forEach((relation, index) => {
         const r = relation.getRelationParam(section);
         const other = relation.getOtherRelationParam(section);
-        if (!section.datas.children.includes(other.g.id)) {
-          // 排除物理区段和自身逻辑区段的关联关系
-          port.push(r.param);
-        }
+        port.push(r.param);
         if (!rMap.has(setKey(r))) {
           rMap.set(setKey(r), { ...r });
         }
diff --git a/src/jl-graphic/app/JlGraphicApp.ts b/src/jl-graphic/app/JlGraphicApp.ts
index 4be56ea..5cf08f3 100644
--- a/src/jl-graphic/app/JlGraphicApp.ts
+++ b/src/jl-graphic/app/JlGraphicApp.ts
@@ -737,7 +737,7 @@ export class GraphicApp extends EventEmitter<GraphicAppEvents> {
   deleteGraphics(...graphics: JlGraphic[]): JlGraphic[] {
     const dels = graphics.filter((g) => {
       if (
-        this._options?.isSupportDeletion &&
+        this._options?.isSupportDeletion == undefined ||
         this._options.isSupportDeletion(g)
       ) {
         this.doDeleteGraphics(g);