diff --git a/src/common/common.ts b/src/common/common.ts
new file mode 100644
index 0000000..22b84ee
--- /dev/null
+++ b/src/common/common.ts
@@ -0,0 +1,56 @@
+export enum DevicePort {
+  A = 0,
+  B = 1,
+  C = 2,
+}
+
+export enum DeviceType {
+  Section = 0,
+  Turnout = 1,
+  TrainWindow = 2,
+  AxleCounting = 3,
+  SectionLink = 4,
+  Signal = 5,
+  Station = 6,
+  ScreenDoor = 7,
+  SignalFaultAlarm = 8,
+  Breakers = 9,
+  PowerScreen = 10,
+}
+
+export enum Direction {
+  LEFT = 0,
+  RIGHT = 1,
+}
+
+export interface KilometerSystem {
+  get coordinateSystem(): string;
+  set coordinateSystem(v: string);
+  get kilometer(): number;
+  set kilometer(v: number);
+  get direction(): Direction;
+  set direction(v: Direction);
+}
+
+export interface IRelatedRef {
+  deviceType: DeviceType; //关联的设备类型
+  id: number; //关联的设备ID
+  devicePort: DevicePort; //关联的设备端口
+}
+
+export namespace IRelatedRef {
+  export function create(
+    type: string,
+    id: number,
+    port: DevicePort,
+  ): IRelatedRef {
+    const typeNum = Object.keys(DeviceType).indexOf(type);
+    if (typeNum < 0) throw Error('Invalid device type');
+    typeNum as DeviceType;
+    return {
+      deviceType: typeNum,
+      id,
+      devicePort: port,
+    };
+  }
+}
diff --git a/src/packages/AxleCounting/AxleCounting.ts b/src/packages/AxleCounting/AxleCounting.ts
new file mode 100644
index 0000000..8db3a0d
--- /dev/null
+++ b/src/packages/AxleCounting/AxleCounting.ts
@@ -0,0 +1,32 @@
+import { GraphicData, JlGraphic } from 'jl-graphic';
+import { IRelatedRef, KilometerSystem } from 'src/common/common';
+
+enum TypeDetectionPoint {
+  AxleCounting = 0,
+  SectionBoundary = 1,
+}
+
+export interface IAxleCountingData extends GraphicData {
+  code: string;
+  kilometerSystem: KilometerSystem;
+  axleCountingRef: IRelatedRef[];
+  type: TypeDetectionPoint;
+  centralizedStations: number[];
+  clone(): IAxleCountingData;
+  copyFrom(data: IAxleCountingData): void;
+  eq(other: IAxleCountingData): boolean;
+}
+
+export class AxleCounting extends JlGraphic {
+  static Type = 'axleCounting';
+
+  constructor() {
+    super(AxleCounting.Type);
+  }
+
+  doRepaint(): void {}
+
+  get datas(): IAxleCountingData {
+    return this.getDatas<IAxleCountingData>();
+  }
+}
diff --git a/src/packages/Section/Section.ts b/src/packages/Section/Section.ts
deleted file mode 100644
index a5c266d..0000000
--- a/src/packages/Section/Section.ts
+++ /dev/null
@@ -1,30 +0,0 @@
-import { GraphicData, JlGraphic } from 'jl-graphic'
-import { IPointData } from 'pixi.js'
-import { SectionGraphic } from './SectionGraphic'
-
-export interface ISectionData extends GraphicData {
-  code: string
-  points: IPointData[]
-
-}
-
-export interface SectionDisplayConfig {
-  lineColor: string;
-  lineWidth: number;
-}
-
-export class Section extends JlGraphic {
-  static Type = 'Section'
-  lineGraphic: SectionGraphic
-
-  constructor() {
-    super(Section.Type)
-    this.lineGraphic = new SectionGraphic();
-    // this.transformSave = true;
-    this.addChild(this.lineGraphic);
-  }
-
-  doRepaint(): void {
-    console.log('repaint')
-  }
-}
diff --git a/src/packages/Section/bjrtss/Section.ts b/src/packages/Section/bjrtss/Section.ts
new file mode 100644
index 0000000..bc79d61
--- /dev/null
+++ b/src/packages/Section/bjrtss/Section.ts
@@ -0,0 +1,14 @@
+import { Section as SectionBase, SectionDisplayConfig } from "../common/Section";
+
+const displayConfig: SectionDisplayConfig = {
+  lineColor: '#5578b6',
+  occupiedColor: '#f00',
+  lineWidth: 5
+}
+
+export class Section extends SectionBase {
+  constructor() {
+    super();
+    this.setDisplayConfig(displayConfig)
+  }
+}
diff --git a/src/packages/Section/common/Section.ts b/src/packages/Section/common/Section.ts
new file mode 100644
index 0000000..33341e2
--- /dev/null
+++ b/src/packages/Section/common/Section.ts
@@ -0,0 +1,355 @@
+import {
+  GraphicData,
+  GraphicRelationParam,
+  GraphicState,
+  JlGraphic,
+  JlGraphicTemplate,
+  Vector2,
+  VectorText,
+  convertToBezierParams,
+  distance2,
+  splitLineEvenly,
+} from 'jl-graphic';
+import { IPointData } from 'pixi.js';
+import { SectionGraphic } from './SectionGraphic';
+import { DevicePort, DeviceType, IRelatedRef } from 'src/common/common';
+import { Turnout } from 'src/packages/Turnout/Turnout';
+import { AxleCounting } from 'src/packages/AxleCounting/AxleCounting';
+
+const tolerance = 0.01;
+
+export interface ISectionData extends GraphicData {
+  code: string;
+  isCurve: boolean;
+  segmentsCount: number;
+  points: IPointData[];
+  sectionType: SectionType;
+  paRef?: IRelatedRef;
+  pbRef?: IRelatedRef;
+  axleCountings?: number[];
+  centralizedStations?: number[];
+  trackSectionId?: number;
+  clone(): ISectionData;
+  copyFrom(data: ISectionData): void;
+  eq(other: ISectionData): boolean;
+}
+
+export interface ISectionState extends GraphicState {
+  id: number;
+  occupied: boolean;
+}
+
+export enum SectionType {
+  Physical = 0, //物理区段
+  Logic = 1, //逻辑区段
+  TurnoutPhysical = 2, //道岔物理区段
+  Track = 4, //轨道区段
+  TrackLogic = 5, //轨道逻辑区段
+}
+
+export interface SectionDisplayConfig {
+  lineColor: string;
+  occupiedColor: string;
+  lineWidth: number;
+}
+
+const defaultDisplayConfig: SectionDisplayConfig = {
+  lineColor: '#5578b6',
+  occupiedColor: '#f00',
+  lineWidth: 5,
+};
+
+export class Section extends JlGraphic {
+  static Type = 'Section';
+  lineGraphic: SectionGraphic;
+  labelGraphic: VectorText;
+  displayConfig = defaultDisplayConfig;
+
+  constructor() {
+    super(Section.Type);
+    this.lineGraphic = new SectionGraphic();
+    this.labelGraphic = new VectorText('');
+    this.labelGraphic.setVectorFontSize(14);
+    this.labelGraphic.anchor.set(0.5);
+    this.labelGraphic.style.fill = '#0f0';
+    this.labelGraphic.transformSave = true;
+    this.labelGraphic.name = 'label';
+    this.transformSave = true;
+    this.addChild(this.lineGraphic);
+    this.addChild(this.labelGraphic);
+  }
+
+  setDisplayConfig(config: SectionDisplayConfig) {
+    this.displayConfig = config;
+  }
+
+  getVerticesList(): IPointData[] {
+    if (this.datas.isCurve) {
+      return [
+        this.datas.points[0],
+        ...convertToBezierParams(this.datas.points).map((param) => param.p2),
+      ];
+    } else {
+      return this.datas.points;
+    }
+  }
+  getStartPoint() {
+    return this.datas.points[0];
+  }
+  getEndPoint(): IPointData {
+    return this.datas.points[this.datas.points.length - 1];
+  }
+
+  doRepaint(): void {
+    this.lineGraphic.clear();
+    if (this.datas.sectionType === SectionType.TurnoutPhysical) {
+      return;
+    }
+    this.lineGraphic.isCurve = this.datas.isCurve;
+    if (this.lineGraphic.isCurve) {
+      this.lineGraphic.segmentsCount = this.datas.segmentsCount;
+    }
+    this.lineGraphic.points = this.datas.points;
+    this.lineGraphic.lineStyle(
+      this.displayConfig.lineWidth,
+      this.states.occupied
+        ? this.displayConfig.occupiedColor
+        : this.displayConfig.lineColor,
+    );
+    this.labelGraphic.text = this.datas.code;
+    const labelPosition = this.datas.childTransforms?.find(
+      (t) => t.name === this.labelGraphic.name,
+    )?.transform.position;
+    if (labelPosition) {
+      this.labelGraphic.position.set(labelPosition.x, labelPosition.y);
+    } else {
+      this.labelGraphic.position.set(
+        this.datas.points[0].x,
+        this.datas.points[0].y + 20,
+      );
+    }
+  }
+  get datas(): ISectionData {
+    return this.getDatas<ISectionData>();
+  }
+  get states(): ISectionState {
+    return this.getStates<ISectionState>();
+  }
+  get linePoints(): IPointData[] {
+    return this.datas.points;
+  }
+  set linePoints(points: IPointData[]) {
+    const old = this.datas.clone();
+    old.points = points;
+    this.updateData(old);
+  }
+
+  getConnectElement(port: DevicePort) {
+    const relation = this.relationManage
+      .getRelationsOfGraphic(this)
+      .find(
+        (relation) =>
+          relation.getRelationParam(this).getParam<DevicePort>() === port &&
+          (relation.getOtherGraphic(this) instanceof Section ||
+            relation.getOtherGraphic(this) instanceof Turnout),
+      );
+    if (!relation) {
+      return;
+    }
+    return {
+      g: relation?.getOtherGraphic(this) as Section | Turnout,
+      port: relation?.getOtherRelationParam(this).getParam<DevicePort>(),
+    };
+  }
+
+  /** 获取拆分逻辑区段数据 */
+  getSplitPoints(count: number): IPointData[][] {
+    if (this.datas.points.length !== 2) {
+      let totalLen = 0;
+      const lengths: number[] = [];
+      for (let i = 1; i < this.datas.points.length; i++) {
+        const { x: x1, y: y1 } = this.datas.points[i - 1],
+          { x: x2, y: y2 } = this.datas.points[i];
+        const len = new Vector2([x2 - x1, y2 - y1]).length();
+        totalLen += len;
+        lengths.push(len);
+      }
+      const counts = lengths.map((length) =>
+        Math.round((count * length) / totalLen),
+      );
+      if (counts.reduce((p, c) => p + c, 0) !== count) {
+        const intersection = counts.reduce((p, c) => p + c, 0) - count;
+        let maxCountIndex = 0,
+          maxCount = 0;
+        counts.forEach((c, i) => {
+          if (c > maxCount) {
+            maxCount = c;
+            maxCountIndex = i;
+          }
+        });
+        counts[maxCountIndex] + intersection;
+      }
+      return counts
+        .map((count, i) => {
+          return splitLineEvenly(
+            this.localToCanvasPoint(this.datas.points[i]),
+            this.localToCanvasPoint(this.datas.points[i + 1]),
+            count,
+          );
+        })
+        .flat();
+    } else {
+      return splitLineEvenly(
+        this.localToCanvasPoint(this.datas.points[0]),
+        this.localToCanvasPoint(
+          this.datas.points[this.datas.points.length - 1],
+        ),
+        count,
+      );
+    }
+  }
+
+  buildRelation() {
+    this.relationManage.deleteRelationOfGraphicAndOtherType(this, Section.Type);
+
+    if (this.datas.sectionType === SectionType.Physical) {
+      this.queryStore.queryByType<Section>(Section.Type).forEach((section) => {
+        if (section.id === this.id) return;
+
+        let param: DevicePort[] = [];
+        if (
+          distance2(
+            this.localToCanvasPoint(this.getStartPoint()),
+            section.localToCanvasPoint(section.getStartPoint()),
+          ) <= tolerance
+        ) {
+          param = [DevicePort.A, DevicePort.A];
+        }
+        if (
+          distance2(
+            this.localToCanvasPoint(this.getEndPoint()),
+            section.localToCanvasPoint(section.getStartPoint()),
+          ) <= tolerance
+        ) {
+          param = [DevicePort.B, DevicePort.A];
+        }
+        if (
+          distance2(
+            this.localToCanvasPoint(this.getStartPoint()),
+            section.localToCanvasPoint(section.getEndPoint()),
+          ) <= tolerance
+        ) {
+          param = [DevicePort.A, DevicePort.B];
+        }
+        if (
+          distance2(
+            this.localToCanvasPoint(this.getEndPoint()),
+            section.localToCanvasPoint(section.getEndPoint()),
+          ) <= tolerance
+        ) {
+          param = [DevicePort.B, DevicePort.B];
+        }
+        if (param.length) {
+          this.relationManage.addRelation(
+            new GraphicRelationParam(this, param[0]),
+            new GraphicRelationParam(section, param[1]),
+          );
+        }
+      });
+    }
+  }
+
+  saveRelations() {
+    const paRelation = this.relationManage
+      .getRelationsOfGraphic(this)
+      .find(
+        (relation) =>
+          relation.getRelationParam(this).param === DevicePort.A &&
+          (relation.getOtherGraphic(this) instanceof Section ||
+            relation.getOtherGraphic(this) instanceof Turnout),
+      );
+    const paDevice = paRelation?.getOtherGraphic<Section | Turnout>(this);
+    if (paDevice) {
+      this.datas.paRef = IRelatedRef.create(
+        paDevice.type,
+        paDevice.id,
+        paRelation!.getOtherRelationParam(this).getParam(),
+      );
+    } else {
+      this.datas.paRef = undefined;
+    }
+    const pbRelation = this.relationManage
+      .getRelationsOfGraphic(this)
+      .find(
+        (relation) =>
+          relation.getRelationParam(this).param === DevicePort.B &&
+          (relation.getOtherGraphic(this) instanceof Section ||
+            relation.getOtherGraphic(this) instanceof Turnout),
+      );
+    const pbDevice = pbRelation?.getOtherGraphic<Section | Turnout>(this);
+    if (pbDevice) {
+      this.datas.pbRef = IRelatedRef.create(
+        pbDevice.type,
+        pbDevice.id,
+        pbRelation?.getOtherRelationParam(this).param,
+      );
+    } else {
+      this.datas.pbRef = undefined;
+    }
+    this.datas.axleCountings = this.relationManage
+      .getRelationsOfGraphicAndOtherType(this, AxleCounting.Type)
+      .map((relation) => relation.getOtherGraphic<AxleCounting>(this).datas.id);
+  }
+
+  loadRelations() {
+    if (this.datas?.paRef?.id) {
+      this.relationManage.addRelation(
+        new GraphicRelationParam(this, DevicePort.A),
+        new GraphicRelationParam(
+          this.queryStore.queryById(this.datas.paRef.id),
+          DevicePort[this.datas.paRef.devicePort],
+        ),
+      );
+    }
+    if (this.datas?.pbRef?.id) {
+      this.relationManage.addRelation(
+        new GraphicRelationParam(this, DevicePort.B),
+        new GraphicRelationParam(
+          this.queryStore.queryById(this.datas.pbRef.id),
+          DevicePort[this.datas.pbRef.devicePort],
+        ),
+      );
+    }
+    if (this.datas.trackSectionId) {
+      this.relationManage.addRelation(
+        this,
+        this.queryStore.queryById<Section>(this.datas.trackSectionId),
+      );
+    }
+    if (this.datas.sectionType === SectionType.TurnoutPhysical) {
+      if (this.datas.axleCountings) {
+        this.datas.axleCountings.forEach((id) => {
+          this.relationManage.addRelation(
+            this,
+            this.queryStore.queryById<AxleCounting>(id),
+          );
+        });
+      }
+    }
+  }
+}
+
+export class SectionTemplate extends JlGraphicTemplate<Section> {
+  constructor(dataTemplate: ISectionData, stateTemplate?: ISectionState) {
+    super(Section.Type, {
+      dataTemplate,
+      stateTemplate,
+    });
+  }
+  new(): Section {
+    const section = new Section();
+    section.loadData(this.datas);
+    section.loadState(this.states);
+    return section;
+  }
+}
diff --git a/src/packages/Section/SectionGraphic.ts b/src/packages/Section/common/SectionGraphic.ts
similarity index 100%
rename from src/packages/Section/SectionGraphic.ts
rename to src/packages/Section/common/SectionGraphic.ts