diff --git a/src/components/draw-app/properties/PlatformProperty.vue b/src/components/draw-app/properties/PlatformProperty.vue
index 298a098..f94a60e 100644
--- a/src/components/draw-app/properties/PlatformProperty.vue
+++ b/src/components/draw-app/properties/PlatformProperty.vue
@@ -48,6 +48,16 @@
           </div>
         </q-item-section>
       </q-item>
+      <q-item>
+        <q-item-section no-wrap class="q-gutter-y-sm column">
+          <q-item-label> 关联的物理区段 </q-item-label>
+          <div class="q-gutter-sm row">
+            <q-chip square color="primary" text-color="white">
+              {{ sectionName }}
+            </q-chip>
+          </div>
+        </q-item-section>
+      </q-item>
     </q-list>
   </q-form>
 </template>
@@ -56,16 +66,36 @@
 import { useFormData } from 'src/components/DrawAppFormUtils';
 import { PlatformData } from 'src/drawApp/graphics/PlatformInteraction';
 import { Platform } from 'src/graphics/platform/Platform';
+import { Section } from 'src/graphics/section/Section';
 import { Station } from 'src/graphics/station/Station';
 import { useDrawStore } from 'src/stores/draw-store';
-import { onMounted, ref } from 'vue';
+import { computed, ref } from 'vue';
 
 const drawStore = useDrawStore();
 const { data: platformModel, onUpdate } = useFormData(
   new PlatformData(),
   drawStore.getDrawApp()
 );
-const stationName = ref('');
+const stationName = computed(() => {
+  const platform = drawStore.selectedGraphic as Platform;
+  if (platformModel.refStation) {
+    const refStation = platform.queryStore.queryById<Station>(
+      platformModel.refStation
+    );
+    return refStation.datas.name;
+  }
+  return '';
+});
+const sectionName = computed(() => {
+  const platform = drawStore.selectedGraphic as Platform;
+  if (platformModel.refSectionId) {
+    const refSection = platform.queryStore.queryById<Section>(
+      platformModel.refSectionId
+    );
+    return refSection.datas.code;
+  }
+  return '';
+});
 const optionsDoor = [
   { label: '是', value: true },
   { label: '否', value: false },
@@ -78,16 +108,4 @@ const optionsUpAndDown = [
   { label: '上行', value: true },
   { label: '下行', value: false },
 ];
-
-onMounted(() => {
-  const platform = drawStore.selectedGraphic as Platform;
-  if (platform) {
-    if (platformModel.refStation) {
-      const refStation = platform.queryStore.queryById<Station>(
-        platformModel.refStation
-      ) as Station;
-      stationName.value = refStation.datas.name;
-    }
-  }
-});
 </script>
diff --git a/src/drawApp/graphics/PlatformInteraction.ts b/src/drawApp/graphics/PlatformInteraction.ts
index 005bfe2..22db1ef 100644
--- a/src/drawApp/graphics/PlatformInteraction.ts
+++ b/src/drawApp/graphics/PlatformInteraction.ts
@@ -65,6 +65,12 @@ export class PlatformData extends GraphicDataBase implements IPlatformData {
   set refStation(v: string) {
     this.data.refStation = v;
   }
+  get refSectionId(): string {
+    return this.data.refSectionId;
+  }
+  set refSectionId(v: string) {
+    this.data.refSectionId = v;
+  }
 
   clone(): PlatformData {
     return new PlatformData(this.data.cloneMessage());
diff --git a/src/graphics/platform/Platform.ts b/src/graphics/platform/Platform.ts
index 89c03bb..4a1e9e9 100644
--- a/src/graphics/platform/Platform.ts
+++ b/src/graphics/platform/Platform.ts
@@ -6,9 +6,11 @@ import {
   JlGraphicTemplate,
   VectorText,
   calculateMirrorPoint,
+  distance2,
   getRectangleCenter,
 } from 'src/jl-graphic';
 import { Station } from '../station/Station';
+import { Section } from '../section/Section';
 
 export interface IPlatformData extends GraphicData {
   get code(): string; // 编号
@@ -21,6 +23,8 @@ export interface IPlatformData extends GraphicData {
   set up(v: boolean);
   get refStation(): string; // 关联的车站
   set refStation(v: string);
+  get refSectionId(): string; // 关联的物理区段
+  set refSectionId(v: string);
   clone(): IPlatformData;
   copyFrom(data: IPlatformData): void;
   eq(other: IPlatformData): boolean;
@@ -435,6 +439,29 @@ export class Platform extends JlGraphic {
         break;
       }
     }
+    const sections = this.queryStore.queryByType<Section>(Section.Type);
+    const minDistanceRefSections: Section[] = [];
+    sections.forEach((section) => {
+      const sP = section.localBoundsToCanvasPoints();
+      if (this.x > sP[0].x && this.x < sP[1].x) {
+        minDistanceRefSections.push(section);
+      }
+    });
+    if (minDistanceRefSections) {
+      const refSection = minDistanceRefSections.reduce((prev, cur) => {
+        return distance2(
+          prev.localToCanvasPoint(getRectangleCenter(prev.getLocalBounds())),
+          this.position
+        ) >
+          distance2(
+            cur.localToCanvasPoint(getRectangleCenter(cur.getLocalBounds())),
+            this.position
+          )
+          ? cur
+          : prev;
+      });
+      this.datas.refSectionId = refSection.id;
+    }
   }
 }
 
diff --git a/src/protos/stationLayoutGraphics.ts b/src/protos/stationLayoutGraphics.ts
index 3373256..8c71917 100644
--- a/src/protos/stationLayoutGraphics.ts
+++ b/src/protos/stationLayoutGraphics.ts
@@ -1708,6 +1708,7 @@ export namespace graphicData {
             direction?: string;
             refStation?: string;
             up?: boolean;
+            refSectionId?: string;
         }) {
             super();
             pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [], this.#one_of_decls);
@@ -1730,6 +1731,9 @@ export namespace graphicData {
                 if ("up" in data && data.up != undefined) {
                     this.up = data.up;
                 }
+                if ("refSectionId" in data && data.refSectionId != undefined) {
+                    this.refSectionId = data.refSectionId;
+                }
             }
         }
         get common() {
@@ -1771,6 +1775,12 @@ export namespace graphicData {
         set up(value: boolean) {
             pb_1.Message.setField(this, 7, value);
         }
+        get refSectionId() {
+            return pb_1.Message.getFieldWithDefault(this, 8, "") as string;
+        }
+        set refSectionId(value: string) {
+            pb_1.Message.setField(this, 8, value);
+        }
         static fromObject(data: {
             common?: ReturnType<typeof CommonInfo.prototype.toObject>;
             code?: string;
@@ -1778,6 +1788,7 @@ export namespace graphicData {
             direction?: string;
             refStation?: string;
             up?: boolean;
+            refSectionId?: string;
         }): Platform {
             const message = new Platform({});
             if (data.common != null) {
@@ -1798,6 +1809,9 @@ export namespace graphicData {
             if (data.up != null) {
                 message.up = data.up;
             }
+            if (data.refSectionId != null) {
+                message.refSectionId = data.refSectionId;
+            }
             return message;
         }
         toObject() {
@@ -1808,6 +1822,7 @@ export namespace graphicData {
                 direction?: string;
                 refStation?: string;
                 up?: boolean;
+                refSectionId?: string;
             } = {};
             if (this.common != null) {
                 data.common = this.common.toObject();
@@ -1827,6 +1842,9 @@ export namespace graphicData {
             if (this.up != null) {
                 data.up = this.up;
             }
+            if (this.refSectionId != null) {
+                data.refSectionId = this.refSectionId;
+            }
             return data;
         }
         serialize(): Uint8Array;
@@ -1845,6 +1863,8 @@ export namespace graphicData {
                 writer.writeString(6, this.refStation);
             if (this.up != false)
                 writer.writeBool(7, this.up);
+            if (this.refSectionId.length)
+                writer.writeString(8, this.refSectionId);
             if (!w)
                 return writer.getResultBuffer();
         }
@@ -1872,6 +1892,9 @@ export namespace graphicData {
                     case 7:
                         message.up = reader.readBool();
                         break;
+                    case 8:
+                        message.refSectionId = reader.readString();
+                        break;
                     default: reader.skipField();
                 }
             }