diff --git a/rtss-proto-msg b/rtss-proto-msg
index 236252f..e46b680 160000
--- a/rtss-proto-msg
+++ b/rtss-proto-msg
@@ -1 +1 @@
-Subproject commit 236252fc0fa258e6beaae5b5ac0a7e28ebbcb04b
+Subproject commit e46b6804e2637ce911efdb379d30645de9948326
diff --git a/src/components/draw-app/IscsDrawProperties.vue b/src/components/draw-app/IscsDrawProperties.vue
index 86af68a..9d25b91 100644
--- a/src/components/draw-app/IscsDrawProperties.vue
+++ b/src/components/draw-app/IscsDrawProperties.vue
@@ -42,6 +42,12 @@
           <button-property
             v-else-if="drawStore.selectedGraphicType === Button.Type"
           />
+          <escalator-property
+            v-else-if="drawStore.selectedGraphicType === Escalator.Type"
+          />
+          <vertical-elevator-property
+            v-else-if="drawStore.selectedGraphicType === VerticalElevator.Type"
+          />
         </q-card-section>
       </template>
       <!-- <template v-else-if="drawStore.selectedGraphics.length > 1">
@@ -65,6 +71,11 @@ import CircleProperty from './properties/CircleProperty.vue';
 import { Circle } from 'src/graphics/circle/Circle';
 import ButtonProperty from './properties/ButtonProperty.vue';
 import { Button } from 'src/graphics/button/Button';
+import EscalatorProperty from './properties/BAS/EscalatorProperty.vue';
+import { Escalator } from 'src/graphics/BAS/escalator/Escalator';
+import VerticalElevatorProperty from './properties/BAS/VerticalElevatorProperty.vue';
+import { VerticalElevator } from 'src/graphics/BAS/verticalElevator/VerticalElevator';
+
 import { watch } from 'vue';
 
 const drawStore = useDrawStore();
diff --git a/src/components/draw-app/properties/BAS/EscalatorProperty.vue b/src/components/draw-app/properties/BAS/EscalatorProperty.vue
new file mode 100644
index 0000000..f9dca89
--- /dev/null
+++ b/src/components/draw-app/properties/BAS/EscalatorProperty.vue
@@ -0,0 +1,23 @@
+<template>
+  <q-form class="q-gutter-sm">
+    <q-input outlined readonly v-model="escalatorModel.id" label="id" />
+    <q-input
+      outlined
+      v-model="escalatorModel.code"
+      @blur="onUpdate"
+      label="code"
+      lazy-rules
+    />
+  </q-form>
+</template>
+
+<script setup lang="ts">
+import { useFormData } from 'src/components/DrawAppFormUtils';
+import { useDrawStore } from 'src/stores/draw-store';
+import { EscalatorData } from 'src/drawApp/graphics/BAS/EscalatorInteraction';
+
+const { data: escalatorModel, onUpdate } = useFormData(
+  new EscalatorData(),
+  useDrawStore().getDrawApp()
+);
+</script>
diff --git a/src/components/draw-app/properties/BAS/VerticalElevatorProperty.vue b/src/components/draw-app/properties/BAS/VerticalElevatorProperty.vue
new file mode 100644
index 0000000..1eb171d
--- /dev/null
+++ b/src/components/draw-app/properties/BAS/VerticalElevatorProperty.vue
@@ -0,0 +1,23 @@
+<template>
+  <q-form class="q-gutter-sm">
+    <q-input outlined readonly v-model="verticalElevatorModel.id" label="id" />
+    <q-input
+      outlined
+      v-model="verticalElevatorModel.code"
+      @blur="onUpdate"
+      label="code"
+      lazy-rules
+    />
+  </q-form>
+</template>
+
+<script setup lang="ts">
+import { useFormData } from 'src/components/DrawAppFormUtils';
+import { VerticalElevatorData } from 'src/drawApp/graphics/BAS/VerticalElevatorInteraction';
+import { useDrawStore } from 'src/stores/draw-store';
+
+const { data: verticalElevatorModel, onUpdate } = useFormData(
+  new VerticalElevatorData(),
+  useDrawStore().getDrawApp()
+);
+</script>
diff --git a/src/drawApp/graphics/BAS/VerticalElevatorInteraction.ts b/src/drawApp/graphics/BAS/VerticalElevatorInteraction.ts
new file mode 100644
index 0000000..2f63192
--- /dev/null
+++ b/src/drawApp/graphics/BAS/VerticalElevatorInteraction.ts
@@ -0,0 +1,41 @@
+import * as pb_1 from 'google-protobuf';
+import {
+  IverticalElevatorData,
+  VerticalElevator,
+} from 'src/graphics/BAS/verticalElevator/VerticalElevator';
+import { GraphicDataBase } from '../GraphicDataBase';
+import { iscsGraphicData } from 'src/protos/iscs_graphic_data';
+
+export class VerticalElevatorData extends GraphicDataBase implements IverticalElevatorData {
+  constructor(data?: iscsGraphicData.VerticalElevator) {
+    let verticalElevator;
+    if (data) {
+      verticalElevator = data;
+    } else {
+      verticalElevator = new iscsGraphicData.VerticalElevator({
+        common: GraphicDataBase.defaultCommonInfo(VerticalElevator.Type),
+      });
+    }
+    super(verticalElevator);
+  }
+
+  public get data(): iscsGraphicData.VerticalElevator {
+    return this.getData<iscsGraphicData.VerticalElevator>();
+  }
+
+  get code(): string {
+    return this.data.code;
+  }
+  set code(v: string) {
+    this.data.code = v;
+  }
+  clone(): VerticalElevatorData {
+    return new VerticalElevatorData(this.data.cloneMessage());
+  }
+  copyFrom(data: VerticalElevatorData): void {
+    pb_1.Message.copyInto(data.data, this.data);
+  }
+  eq(other: VerticalElevatorData): boolean {
+    return pb_1.Message.equals(this.data, other.data);
+  }
+}
diff --git a/src/drawApp/iscsApp.ts b/src/drawApp/iscsApp.ts
index 457e5a5..c084758 100644
--- a/src/drawApp/iscsApp.ts
+++ b/src/drawApp/iscsApp.ts
@@ -65,6 +65,12 @@ import {
   EscalatorTemplate,
 } from 'src/graphics/BAS/escalator/Escalator';
 import { EscalatorData } from './graphics/BAS/EscalatorInteraction';
+import {
+  VerticalElevator,
+  VerticalElevatorTemplate,
+} from 'src/graphics/BAS/verticalElevator/VerticalElevator';
+import { VerticalElevatorData } from './graphics/BAS/VerticalElevatorInteraction';
+import { VerticalElevatorDraw } from 'src/graphics/BAS/verticalElevator/VerticalElevatorDrawAssistant';
 import { FirePump, FirePumpTemplate } from 'src/graphics/FAS/firePump/FirePump';
 import { FirePumpDraw } from 'src/graphics/FAS/firePump/FirePumpAssistant';
 import { FirePumpData } from './graphics/FAS/FirePumpInteraction';
@@ -118,6 +124,10 @@ export function initIscsDrawApp(): IDrawApp {
   const app = drawApp;
   initCommonDrawApp(app);
   new EscalatorDraw(app, new EscalatorTemplate(new EscalatorData()));
+  new VerticalElevatorDraw(
+    app,
+    new VerticalElevatorTemplate(new VerticalElevatorData())
+  );
   new FasFailureControlHostDraw(
     app,
     new FasFailureControlHostTemplate(new FasFailureControlHostData())
@@ -364,6 +374,7 @@ export async function loadDrawDatas(): Promise<IGraphicStorage> {
             break;
           }
         }
+        break;
       case '电扶梯':
         for (let i = 0; i < storage.basOfEscalatorStorages.length; i++) {
           const basOfEscalator = storage.basOfEscalatorStorages[i];
@@ -376,9 +387,13 @@ export async function loadDrawDatas(): Promise<IGraphicStorage> {
             basOfEscalator.escalators.forEach((escalator) => {
               datas.push(new EscalatorData(escalator));
             });
+            basOfEscalator.verticalElevators.forEach((verticalElevator) => {
+              datas.push(new VerticalElevatorData(verticalElevator));
+            });
             break;
           }
         }
+        break;
       default:
         break;
     }
@@ -556,6 +571,11 @@ export function saveDrawDatas(app: IDrawApp) {
               basOfEscalatorStorage.escalators.push(
                 (escalatorData as EscalatorData).data
               );
+            } else if (g instanceof VerticalElevator) {
+              const verticalElevatorData = g.saveData();
+              basOfEscalatorStorage.verticalElevators.push(
+                (verticalElevatorData as VerticalElevatorData).data
+              );
             }
           });
           storage.basOfEscalatorStorages[i] = basOfEscalatorStorage;
diff --git a/src/graphics/BAS/escalator/EscalatorDrawAssistant.ts b/src/graphics/BAS/escalator/EscalatorDrawAssistant.ts
index 147f7cb..2115d75 100644
--- a/src/graphics/BAS/escalator/EscalatorDrawAssistant.ts
+++ b/src/graphics/BAS/escalator/EscalatorDrawAssistant.ts
@@ -16,7 +16,7 @@ export class EscalatorDraw extends GraphicDrawAssistant<
 > {
   _escalator: Escalator | null = null;
   constructor(app: IDrawApp, template: EscalatorTemplate) {
-    super(app, template, 'sym_o_lightbulb', '自动扶梯');
+    super(app, template, 'escalator', '自动扶梯');
     EscalatorInteraction.init(app);
   }
 
diff --git a/src/graphics/BAS/verticalElevator/VerticalElevator.ts b/src/graphics/BAS/verticalElevator/VerticalElevator.ts
new file mode 100644
index 0000000..01ebd96
--- /dev/null
+++ b/src/graphics/BAS/verticalElevator/VerticalElevator.ts
@@ -0,0 +1,75 @@
+import { GraphicData, JlGraphic, JlGraphicTemplate } from 'jl-graphic';
+import tcc_Light_Assets from './verticalElevator-spritesheet.png';
+import tcc_Light_JSON from './verticalElevator-data.json';
+
+import { Assets, Sprite, Spritesheet, Texture } from 'pixi.js';
+
+interface VerticalElevatorTextures {
+  redOn: Texture;
+  redOff: Texture;
+  greenOn: Texture;
+  greenOff: Texture;
+  blueOn: Texture;
+  blueOff: Texture;
+}
+
+export interface IverticalElevatorData extends GraphicData {
+  get code(): string;
+  set code(v: string);
+}
+
+export class VerticalElevator extends JlGraphic {
+  static Type = 'VerticalElevator';
+  _verticalElevator: Sprite;
+  verticalElevatorTextures: VerticalElevatorTextures;
+  __state = 0;
+
+  constructor(verticalElevatorTextures: VerticalElevatorTextures) {
+    super(VerticalElevator.Type);
+    this.verticalElevatorTextures = verticalElevatorTextures;
+    this._verticalElevator = new Sprite();
+    this._verticalElevator.texture = this.verticalElevatorTextures.greenOff;
+    this._verticalElevator.scale.set(0.25);
+    this._verticalElevator.anchor.set(0.5);
+    this.addChild(this._verticalElevator);
+  }
+  get code(): string {
+    return this.datas.code;
+  }
+  get datas(): IverticalElevatorData {
+    return this.getDatas<IverticalElevatorData>();
+  }
+  doRepaint(): void {
+    this._verticalElevator.texture = this.verticalElevatorTextures.greenOn;
+  }
+}
+
+export class VerticalElevatorTemplate extends JlGraphicTemplate<VerticalElevator> {
+  verticalElevatorTextures?: VerticalElevatorTextures;
+  constructor(dataTemplate: IverticalElevatorData) {
+    super(VerticalElevator.Type, { dataTemplate });
+    this.loadAssets();
+  }
+  new(): VerticalElevator {
+    if (this.verticalElevatorTextures) {
+      const g = new VerticalElevator(this.verticalElevatorTextures);
+      g.loadData(this.datas);
+      return g;
+    }
+    throw new Error('资源未加载/加载失败');
+  }
+  async loadAssets(): Promise<VerticalElevatorTextures> {
+    const texture = await Assets.load(tcc_Light_Assets);
+    const verticalElevatorSheet = new Spritesheet(texture, tcc_Light_JSON);
+    const result = await verticalElevatorSheet.parse();
+    this.verticalElevatorTextures = {
+      redOff: result['red-off.png'],
+      redOn: result['red-on.png'],
+      blueOff: result['blue-off.png'],
+      blueOn: result['blue-on.png'],
+      greenOff: result['green-off.png'],
+      greenOn: result['green-on.png'],
+    };
+    return this.verticalElevatorTextures as VerticalElevatorTextures;
+  }
+}
diff --git a/src/graphics/BAS/verticalElevator/VerticalElevatorDrawAssistant.ts b/src/graphics/BAS/verticalElevator/VerticalElevatorDrawAssistant.ts
new file mode 100644
index 0000000..da4969d
--- /dev/null
+++ b/src/graphics/BAS/verticalElevator/VerticalElevatorDrawAssistant.ts
@@ -0,0 +1,124 @@
+import { DisplayObject, FederatedMouseEvent, Point } from 'pixi.js';
+import {
+  AbsorbableLine,
+  AbsorbablePosition,
+  GraphicDrawAssistant,
+  GraphicInteractionPlugin,
+  GraphicTransformEvent,
+  IDrawApp,
+  JlGraphic,
+} from 'jl-graphic';
+import {
+  IverticalElevatorData,
+  VerticalElevator,
+  VerticalElevatorTemplate,
+} from './VerticalElevator';
+
+export class VerticalElevatorDraw extends GraphicDrawAssistant<
+  VerticalElevatorTemplate,
+  IverticalElevatorData
+> {
+  _verticalElevator: VerticalElevator | null = null;
+  constructor(app: IDrawApp, template: VerticalElevatorTemplate) {
+    super(app, template, 'elevator', '垂直电梯');
+    VerticalElevatorInteraction.init(app);
+  }
+
+  bind(): void {
+    super.bind();
+    if (!this._verticalElevator) {
+      this._verticalElevator = this.graphicTemplate.new();
+      this.container.addChild(this._verticalElevator);
+    }
+  }
+
+  public get verticalElevator(): VerticalElevator {
+    if (!this._verticalElevator) {
+      this._verticalElevator = this.graphicTemplate.new();
+      this.container.addChild(this._verticalElevator);
+    }
+    return this._verticalElevator;
+  }
+
+  redraw(cp: Point): void {
+    this.verticalElevator.position.copyFrom(cp);
+  }
+  onLeftUp(e: FederatedMouseEvent): void {
+    this.verticalElevator.position.copyFrom(this.toCanvasCoordinates(e.global));
+    this.createAndStore(true);
+  }
+  prepareData(data: IverticalElevatorData): boolean {
+    data.transform = this.verticalElevator.saveTransform();
+    return true;
+  }
+  onEsc(): void {
+    this.finish();
+  }
+}
+
+/**
+ * 构建吸附线
+ * @param verticalElevator
+ */
+function buildAbsorbablePositions(
+  verticalElevator: VerticalElevator
+): AbsorbablePosition[] {
+  const aps: AbsorbablePosition[] = [];
+  const verticalElevators =
+    verticalElevator.queryStore.queryByType<VerticalElevator>(
+      VerticalElevator.Type
+    );
+  const canvas = verticalElevator.getCanvas();
+  verticalElevators.forEach((item) => {
+    if (item.id === verticalElevator.id) {
+      return;
+    }
+    const ala = new AbsorbableLine(
+      new Point(item.x, 0),
+      new Point(item.x, canvas.height)
+    );
+    const alb = new AbsorbableLine(
+      new Point(0, item.y),
+      new Point(canvas.width, item.y)
+    );
+    aps.push(ala);
+    aps.push(alb);
+  });
+
+  return aps;
+}
+
+export class VerticalElevatorInteraction extends GraphicInteractionPlugin<VerticalElevator> {
+  static Name = 'tcc_light_transform';
+  constructor(app: IDrawApp) {
+    super(VerticalElevatorInteraction.Name, app);
+  }
+  static init(app: IDrawApp) {
+    return new VerticalElevatorInteraction(app);
+  }
+  filter(...grahpics: JlGraphic[]): VerticalElevator[] | undefined {
+    return grahpics
+      .filter((g) => g.type === VerticalElevator.Type)
+      .map((g) => g as VerticalElevator);
+  }
+  bind(g: VerticalElevator): void {
+    g.eventMode = 'static';
+    g.cursor = 'pointer';
+    g.scalable = true;
+    g.rotatable = true;
+    g.on('transformstart', this.transformstart, this);
+  }
+  unbind(g: VerticalElevator): void {
+    g.eventMode = 'none';
+    g.scalable = false;
+    g.rotatable = false;
+    g.off('transformstart', this.transformstart, this);
+  }
+  transformstart(e: GraphicTransformEvent) {
+    const target = e.target as DisplayObject;
+    const verticalElevator = target.getGraphic() as VerticalElevator;
+    verticalElevator.getGraphicApp().setOptions({
+      absorbablePositions: buildAbsorbablePositions(verticalElevator),
+    });
+  }
+}
diff --git a/src/graphics/BAS/verticalElevator/verticalElevator-data.json b/src/graphics/BAS/verticalElevator/verticalElevator-data.json
new file mode 100644
index 0000000..225241a
--- /dev/null
+++ b/src/graphics/BAS/verticalElevator/verticalElevator-data.json
@@ -0,0 +1,29 @@
+{
+  "frames": {
+    "green-off.png": {
+      "frame": { "x": 0, "y": 0, "w": 128, "h": 128 },
+      "rotated": false,
+      "trimmed": false,
+      "spriteSourceSize": { "x": 0, "y": 0, "w": 128, "h": 128 },
+      "sourceSize": { "w": 128, "h": 128 },
+      "anchor": { "x": 0.5, "y": 0.5 }
+    },
+    "green-on.png": {
+      "frame": { "x": 128, "y": 0, "w": 128, "h": 128 },
+      "rotated": false,
+      "trimmed": false,
+      "spriteSourceSize": { "x": 0, "y": 0, "w": 128, "h": 128 },
+      "sourceSize": { "w": 128, "h": 64 },
+      "anchor": { "x": 0.5, "y": 0.5 }
+    }
+  },
+  "meta": {
+    "app": "https://www.codeandweb.com/texturepacker",
+    "version": "1.1",
+    "image": "tcc-light.png",
+    "format": "RGBA8888",
+    "size": { "w": 256, "h": 128 },
+    "scale": "0.5",
+    "smartupdate": "$TexturePacker:SmartUpdate:e7620bd2d73cc0b3e2deea9704e7eefc:f129a1d9e4b9ba57720b3861c22b155b:eb2d421f7759984b7713aa4aa5354134$"
+  }
+}
diff --git a/src/graphics/BAS/verticalElevator/verticalElevator-spritesheet.png b/src/graphics/BAS/verticalElevator/verticalElevator-spritesheet.png
new file mode 100644
index 0000000..8f8ffc0
Binary files /dev/null and b/src/graphics/BAS/verticalElevator/verticalElevator-spritesheet.png differ
diff --git a/src/layouts/IscsDrawLayout.vue b/src/layouts/IscsDrawLayout.vue
index 91ca8a9..1581f04 100644
--- a/src/layouts/IscsDrawLayout.vue
+++ b/src/layouts/IscsDrawLayout.vue
@@ -317,6 +317,7 @@ import { FirePump } from 'src/graphics/FAS/firePump/FirePump';
 import { SprayPump } from 'src/graphics/FAS/sprayPump/SprayPump';
 import { StabilizedPressurePump } from 'src/graphics/FAS/stabilizedPressurePump/StabilizedPressurePump';
 import { Acs } from 'src/graphics/FAS/acs/Acs';
+import { VerticalElevator } from 'src/graphics/BAS/verticalElevator/VerticalElevator';
 
 const $q = useQuasar();
 const route = useRoute();
@@ -398,7 +399,7 @@ function handleUtilsOption() {
   ];
   switch (drawStore.selectSubmenuAndStation.submenu) {
     case '电扶梯':
-      drawAssistantsTypes.push(Escalator.Type);
+      drawAssistantsTypes.push(...[Escalator.Type, VerticalElevator.Type]);
       break;
     case '火灾报警平面图':
       drawAssistantsTypes.push(FasFailureControlHost.Type);
diff --git a/src/protos/iscs_graphic_data.ts b/src/protos/iscs_graphic_data.ts
index bebbb19..d2130f5 100644
--- a/src/protos/iscs_graphic_data.ts
+++ b/src/protos/iscs_graphic_data.ts
@@ -2194,7 +2194,7 @@ export namespace iscsGraphicData {
             canvas?: dependency_1.common.Canvas;
             commonGraphicStorage?: CommonGraphicStorage;
             escalators?: Escalator[];
-            verticalElevator?: VerticalElevator[];
+            verticalElevators?: VerticalElevator[];
         }) {
             super();
             pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [4, 5], this.#one_of_decls);
@@ -2211,8 +2211,8 @@ export namespace iscsGraphicData {
                 if ("escalators" in data && data.escalators != undefined) {
                     this.escalators = data.escalators;
                 }
-                if ("verticalElevator" in data && data.verticalElevator != undefined) {
-                    this.verticalElevator = data.verticalElevator;
+                if ("verticalElevators" in data && data.verticalElevators != undefined) {
+                    this.verticalElevators = data.verticalElevators;
                 }
             }
         }
@@ -2246,10 +2246,10 @@ export namespace iscsGraphicData {
         set escalators(value: Escalator[]) {
             pb_1.Message.setRepeatedWrapperField(this, 4, value);
         }
-        get verticalElevator() {
+        get verticalElevators() {
             return pb_1.Message.getRepeatedWrapperField(this, VerticalElevator, 5) as VerticalElevator[];
         }
-        set verticalElevator(value: VerticalElevator[]) {
+        set verticalElevators(value: VerticalElevator[]) {
             pb_1.Message.setRepeatedWrapperField(this, 5, value);
         }
         static fromObject(data: {
@@ -2257,7 +2257,7 @@ export namespace iscsGraphicData {
             canvas?: ReturnType<typeof dependency_1.common.Canvas.prototype.toObject>;
             commonGraphicStorage?: ReturnType<typeof CommonGraphicStorage.prototype.toObject>;
             escalators?: ReturnType<typeof Escalator.prototype.toObject>[];
-            verticalElevator?: ReturnType<typeof VerticalElevator.prototype.toObject>[];
+            verticalElevators?: ReturnType<typeof VerticalElevator.prototype.toObject>[];
         }): BASOfEscalatorStorage {
             const message = new BASOfEscalatorStorage({});
             if (data.stationName != null) {
@@ -2272,8 +2272,8 @@ export namespace iscsGraphicData {
             if (data.escalators != null) {
                 message.escalators = data.escalators.map(item => Escalator.fromObject(item));
             }
-            if (data.verticalElevator != null) {
-                message.verticalElevator = data.verticalElevator.map(item => VerticalElevator.fromObject(item));
+            if (data.verticalElevators != null) {
+                message.verticalElevators = data.verticalElevators.map(item => VerticalElevator.fromObject(item));
             }
             return message;
         }
@@ -2283,7 +2283,7 @@ export namespace iscsGraphicData {
                 canvas?: ReturnType<typeof dependency_1.common.Canvas.prototype.toObject>;
                 commonGraphicStorage?: ReturnType<typeof CommonGraphicStorage.prototype.toObject>;
                 escalators?: ReturnType<typeof Escalator.prototype.toObject>[];
-                verticalElevator?: ReturnType<typeof VerticalElevator.prototype.toObject>[];
+                verticalElevators?: ReturnType<typeof VerticalElevator.prototype.toObject>[];
             } = {};
             if (this.stationName != null) {
                 data.stationName = this.stationName;
@@ -2297,8 +2297,8 @@ export namespace iscsGraphicData {
             if (this.escalators != null) {
                 data.escalators = this.escalators.map((item: Escalator) => item.toObject());
             }
-            if (this.verticalElevator != null) {
-                data.verticalElevator = this.verticalElevator.map((item: VerticalElevator) => item.toObject());
+            if (this.verticalElevators != null) {
+                data.verticalElevators = this.verticalElevators.map((item: VerticalElevator) => item.toObject());
             }
             return data;
         }
@@ -2314,8 +2314,8 @@ export namespace iscsGraphicData {
                 writer.writeMessage(3, this.commonGraphicStorage, () => this.commonGraphicStorage.serialize(writer));
             if (this.escalators.length)
                 writer.writeRepeatedMessage(4, this.escalators, (item: Escalator) => item.serialize(writer));
-            if (this.verticalElevator.length)
-                writer.writeRepeatedMessage(5, this.verticalElevator, (item: VerticalElevator) => item.serialize(writer));
+            if (this.verticalElevators.length)
+                writer.writeRepeatedMessage(5, this.verticalElevators, (item: VerticalElevator) => item.serialize(writer));
             if (!w)
                 return writer.getResultBuffer();
         }
@@ -2338,7 +2338,7 @@ export namespace iscsGraphicData {
                         reader.readMessage(message.escalators, () => pb_1.Message.addToRepeatedWrapperField(message, 4, Escalator.deserialize(reader), Escalator));
                         break;
                     case 5:
-                        reader.readMessage(message.verticalElevator, () => pb_1.Message.addToRepeatedWrapperField(message, 5, VerticalElevator.deserialize(reader), VerticalElevator));
+                        reader.readMessage(message.verticalElevators, () => pb_1.Message.addToRepeatedWrapperField(message, 5, VerticalElevator.deserialize(reader), VerticalElevator));
                         break;
                     default: reader.skipField();
                 }