diff --git a/bj-rtss-message b/bj-rtss-message
index 8994456..0a6fdf7 160000
--- a/bj-rtss-message
+++ b/bj-rtss-message
@@ -1 +1 @@
-Subproject commit 89944562247f061937fde4c8a67285f64c55aefa
+Subproject commit 0a6fdf768814f03bc563aa79aeb4a2664cc5d9e5
diff --git a/src/components/draw-app/properties/SectionDirectionConfig.vue b/src/components/draw-app/properties/SectionDirectionConfig.vue
index 4fdf806..aa196eb 100644
--- a/src/components/draw-app/properties/SectionDirectionConfig.vue
+++ b/src/components/draw-app/properties/SectionDirectionConfig.vue
@@ -18,11 +18,22 @@ const sectionCode = computed(() => {
   return '';
 });
 const formRef = ref<InstanceType<typeof QForm> | null>(null);
-const direction = ref(0);
-const directionOptions = [
+const runningDirection = ref(0);
+const runningDirectionOptions = [
   { label: 'A到B', value: graphicData.Section.RunningDirection.AtoB },
   { label: 'B到A', value: graphicData.Section.RunningDirection.BtoA },
 ];
+const direction = ref(0);
+const directionOptions = [
+  {
+    label: '上行',
+    value: graphicData.Direction.UP,
+  },
+  {
+    label: '下行',
+    value: graphicData.Direction.DOWN,
+  },
+];
 
 async function onSubmit() {
   const res = await formRef.value?.validate();
@@ -33,8 +44,8 @@ async function onSubmit() {
 
   const queue: {
     node: Section | Turnout;
-    direction: graphicData.Section.RunningDirection;
-  }[] = [{ node: section, direction: direction.value }];
+    runningDirection: graphicData.Section.RunningDirection;
+  }[] = [{ node: section, runningDirection: runningDirection.value }];
 
   const reverseDirection = (d: graphicData.Section.RunningDirection) =>
     d === graphicData.Section.RunningDirection.AtoB
@@ -43,7 +54,7 @@ async function onSubmit() {
 
   const traverse = (
     current: Section | Turnout,
-    direction: graphicData.Section.RunningDirection
+    runningDirection: graphicData.Section.RunningDirection
   ) => {
     if (visited.includes(current.datas.id)) return;
     visited.push(current.datas.id);
@@ -53,12 +64,12 @@ async function onSubmit() {
         [current.datas.pbRef?.id, 'B'],
       ]
         .filter((item): item is [string, 'A' | 'B'] => !!item[0])
-        .forEach(([id, port], idx) => {
+        .forEach(([id, port]) => {
           const target = current.queryStore.queryById<Section | Turnout>(id);
           if (target instanceof Turnout) {
             queue.push({
               node: target,
-              direction,
+              runningDirection,
             });
           } else {
             const isPortDiffrent =
@@ -66,46 +77,32 @@ async function onSubmit() {
               (port === 'A' && target.datas.pbRef?.id === current.datas.id);
             queue.push({
               node: target,
-              direction: isPortDiffrent
-                ? direction
-                : reverseDirection(direction),
+              runningDirection: isPortDiffrent
+                ? runningDirection
+                : reverseDirection(runningDirection),
             });
           }
         });
       const data = current.datas.clone();
-      data.normalRunningDirection = direction;
+      data.normalRunningDirection = runningDirection;
+      data.direction = direction.value;
       current.updateData(data);
     } else {
-      [
-        current.datas.paRef?.id,
-        current.datas.pbRef?.id,
-        current.datas.pcRef?.id,
-      ]
+      [current.datas.paRef?.id, current.datas.pbRef?.id]
         .filter((id): id is string => !!id)
-        .forEach((id, idx) => {
+        .forEach((id) => {
           const target = current.queryStore.queryById<Section | Turnout>(id);
-          if (
-            target instanceof Turnout &&
-            target.datas.pcRef?.id === current.datas.id &&
-            idx === 2
-          ) {
-            queue.push({
-              node: target,
-              direction: reverseDirection(direction),
-            });
-          } else {
-            queue.push({
-              node: target,
-              direction,
-            });
-          }
+          queue.push({
+            node: target,
+            runningDirection,
+          });
         });
     }
   };
 
   do {
-    const { node, direction } = queue.shift()!;
-    traverse(node, direction);
+    const { node, runningDirection } = queue.shift()!;
+    traverse(node, runningDirection);
   } while (queue.length > 0);
 }
 </script>
@@ -134,6 +131,15 @@ async function onSubmit() {
             outlined
             label="运行方向"
             hint="请选择区段的常规运行方向"
+            v-model="runningDirection"
+            :options="runningDirectionOptions"
+            emit-value
+            map-options
+          />
+          <QSelect
+            outlined
+            label="上下行方向"
+            hint="请选择区段的上下行方向"
             v-model="direction"
             :options="directionOptions"
             emit-value
diff --git a/src/components/draw-app/properties/SectionProperty.vue b/src/components/draw-app/properties/SectionProperty.vue
index 9e901cf..4577e1e 100644
--- a/src/components/draw-app/properties/SectionProperty.vue
+++ b/src/components/draw-app/properties/SectionProperty.vue
@@ -34,6 +34,16 @@
       @blur="onUpdate"
       label="常规运行方向"
     ></q-select>
+    <q-select
+      outlined
+      class="q-mt-lg"
+      v-model="sectionModel.direction"
+      :options="directionOptions"
+      emit-value
+      map-options
+      @blur="onUpdate"
+      label="上下行方向"
+    ></q-select>
     <q-checkbox
       v-if="
         sectionModel.sectionType === graphicData.Section.SectionType.Physical
@@ -149,7 +159,7 @@ const sectionTypeText = computed(() => {
   return ['物理区段', '', '道岔物理区段'][sectionModel.sectionType];
 });
 
-const runningDirectionOptions = computed(() => [
+const runningDirectionOptions = [
   {
     label: 'A到B',
     value: graphicData.Section.RunningDirection.AtoB,
@@ -158,7 +168,22 @@ const runningDirectionOptions = computed(() => [
     label: 'B到A',
     value: graphicData.Section.RunningDirection.BtoA,
   },
-]);
+  {
+    label: '双向',
+    value: graphicData.Section.RunningDirection.BOTH,
+  },
+];
+
+const directionOptions = [
+  {
+    label: '上行',
+    value: graphicData.Direction.UP,
+  },
+  {
+    label: '下行',
+    value: graphicData.Direction.DOWN,
+  },
+];
 
 const sectionRelations = computed(() => {
   const section = drawStore.selectedGraphic as Section;
diff --git a/src/drawApp/graphics/SectionInteraction.ts b/src/drawApp/graphics/SectionInteraction.ts
index 9286f45..6c3afdc 100644
--- a/src/drawApp/graphics/SectionInteraction.ts
+++ b/src/drawApp/graphics/SectionInteraction.ts
@@ -115,6 +115,12 @@ export class SectionData extends GraphicDataBase implements ISectionData {
   set isTurnBackZone(v: boolean) {
     this.data.isTurnBackZone = v;
   }
+  get direction(): graphicData.Direction {
+    return this.data.direction;
+  }
+  set direction(v: graphicData.Direction) {
+    this.data.direction = v;
+  }
   clone(): SectionData {
     return new SectionData(this.data.cloneMessage());
   }
diff --git a/src/graphics/section/Section.ts b/src/graphics/section/Section.ts
index 0727ff1..dc4f999 100644
--- a/src/graphics/section/Section.ts
+++ b/src/graphics/section/Section.ts
@@ -62,6 +62,8 @@ export interface ISectionData extends GraphicData {
   set normalRunningDirection(v: graphicData.Section.RunningDirection);
   get isTurnBackZone(): boolean;
   set isTurnBackZone(v: boolean);
+  get direction(): graphicData.Direction;
+  set direction(v: graphicData.Direction);
   clone(): ISectionData;
   copyFrom(data: ISectionData): void;
   eq(other: ISectionData): boolean;
diff --git a/src/graphics/trainWindow/oneClickDrawAssistant.ts b/src/graphics/trainWindow/oneClickDrawAssistant.ts
index 95e201e..17214fa 100644
--- a/src/graphics/trainWindow/oneClickDrawAssistant.ts
+++ b/src/graphics/trainWindow/oneClickDrawAssistant.ts
@@ -104,11 +104,11 @@ export class OneClickGenerateDraw extends GraphicDrawAssistant<
               elem.datas.kilometerSystem = new graphicData.KilometerSystem({
                 kilometer: elem.datas.kilometerSystem.kilometer,
                 coordinateSystem: elem.datas.kilometerSystem.coordinateSystem,
-                direction: graphicData.Direction.LEFT,
+                direction: graphicData.KilometerSystem.Direction.LEFT,
               });
             } else {
               elem.datas.kilometerSystem = new graphicData.KilometerSystem({
-                direction: graphicData.Direction.LEFT,
+                direction: graphicData.KilometerSystem.Direction.LEFT,
               });
             }
           } else {
@@ -116,11 +116,11 @@ export class OneClickGenerateDraw extends GraphicDrawAssistant<
               elem.datas.kilometerSystem = new graphicData.KilometerSystem({
                 kilometer: elem.datas.kilometerSystem.kilometer,
                 coordinateSystem: elem.datas.kilometerSystem.coordinateSystem,
-                direction: graphicData.Direction.RIGHT,
+                direction: graphicData.KilometerSystem.Direction.RIGHT,
               });
             } else {
               elem.datas.kilometerSystem = new graphicData.KilometerSystem({
-                direction: graphicData.Direction.RIGHT,
+                direction: graphicData.KilometerSystem.Direction.RIGHT,
               });
             }
           }
@@ -138,14 +138,14 @@ export class OneClickGenerateDraw extends GraphicDrawAssistant<
             elem.datas.kilometerSystem = new graphicData.KilometerSystem({
               kilometer: ks.kilometer,
               coordinateSystem: ks.coordinateSystem,
-              direction: graphicData.Direction.LEFT,
+              direction: graphicData.KilometerSystem.Direction.LEFT,
             });
           } else {
             const ks = elem.datas.kilometerSystem;
             elem.datas.kilometerSystem = new graphicData.KilometerSystem({
               kilometer: ks.kilometer,
               coordinateSystem: ks.coordinateSystem,
-              direction: graphicData.Direction.RIGHT,
+              direction: graphicData.KilometerSystem.Direction.RIGHT,
             });
           }
         }
diff --git a/src/protos/stationLayoutGraphics.ts b/src/protos/stationLayoutGraphics.ts
index 972a7ac..28efc57 100644
--- a/src/protos/stationLayoutGraphics.ts
+++ b/src/protos/stationLayoutGraphics.ts
@@ -6,8 +6,8 @@
 import * as pb_1 from "google-protobuf";
 export namespace graphicData {
     export enum Direction {
-        LEFT = 0,
-        RIGHT = 1
+        UP = 0,
+        DOWN = 1
     }
     export class RtssGraphicStorage extends pb_1.Message {
         #one_of_decls: number[][] = [];
@@ -3505,7 +3505,7 @@ export namespace graphicData {
         constructor(data?: any[] | {
             kilometer?: number;
             coordinateSystem?: string;
-            direction?: Direction;
+            direction?: KilometerSystem.Direction;
         }) {
             super();
             pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [], this.#one_of_decls);
@@ -3534,15 +3534,15 @@ export namespace graphicData {
             pb_1.Message.setField(this, 2, value);
         }
         get direction() {
-            return pb_1.Message.getFieldWithDefault(this, 3, Direction.LEFT) as Direction;
+            return pb_1.Message.getFieldWithDefault(this, 3, KilometerSystem.Direction.LEFT) as KilometerSystem.Direction;
         }
-        set direction(value: Direction) {
+        set direction(value: KilometerSystem.Direction) {
             pb_1.Message.setField(this, 3, value);
         }
         static fromObject(data: {
             kilometer?: number;
             coordinateSystem?: string;
-            direction?: Direction;
+            direction?: KilometerSystem.Direction;
         }): KilometerSystem {
             const message = new KilometerSystem({});
             if (data.kilometer != null) {
@@ -3560,7 +3560,7 @@ export namespace graphicData {
             const data: {
                 kilometer?: number;
                 coordinateSystem?: string;
-                direction?: Direction;
+                direction?: KilometerSystem.Direction;
             } = {};
             if (this.kilometer != null) {
                 data.kilometer = this.kilometer;
@@ -3581,7 +3581,7 @@ export namespace graphicData {
                 writer.writeInt64(1, this.kilometer);
             if (this.coordinateSystem.length)
                 writer.writeString(2, this.coordinateSystem);
-            if (this.direction != Direction.LEFT)
+            if (this.direction != KilometerSystem.Direction.LEFT)
                 writer.writeEnum(3, this.direction);
             if (!w)
                 return writer.getResultBuffer();
@@ -3613,6 +3613,12 @@ export namespace graphicData {
             return KilometerSystem.deserialize(bytes);
         }
     }
+    export namespace KilometerSystem {
+        export enum Direction {
+            LEFT = 0,
+            RIGHT = 1
+        }
+    }
     export class Signal extends pb_1.Message {
         #one_of_decls: number[][] = [];
         constructor(data?: any[] | {
@@ -3855,6 +3861,7 @@ export namespace graphicData {
             centralizedStations?: string[];
             normalRunningDirection?: Section.RunningDirection;
             isTurnBackZone?: boolean;
+            direction?: Direction;
         }) {
             super();
             pb_1.Message.initialize(this, Array.isArray(data) ? data : [], 0, -1, [3, 7, 13], this.#one_of_decls);
@@ -3898,6 +3905,9 @@ export namespace graphicData {
                 if ("isTurnBackZone" in data && data.isTurnBackZone != undefined) {
                     this.isTurnBackZone = data.isTurnBackZone;
                 }
+                if ("direction" in data && data.direction != undefined) {
+                    this.direction = data.direction;
+                }
             }
         }
         get common() {
@@ -3987,6 +3997,12 @@ export namespace graphicData {
         set isTurnBackZone(value: boolean) {
             pb_1.Message.setField(this, 15, value);
         }
+        get direction() {
+            return pb_1.Message.getFieldWithDefault(this, 16, Direction.UP) as Direction;
+        }
+        set direction(value: Direction) {
+            pb_1.Message.setField(this, 16, value);
+        }
         static fromObject(data: {
             common?: ReturnType<typeof CommonInfo.prototype.toObject>;
             code?: string;
@@ -4001,6 +4017,7 @@ export namespace graphicData {
             centralizedStations?: string[];
             normalRunningDirection?: Section.RunningDirection;
             isTurnBackZone?: boolean;
+            direction?: Direction;
         }): Section {
             const message = new Section({});
             if (data.common != null) {
@@ -4042,6 +4059,9 @@ export namespace graphicData {
             if (data.isTurnBackZone != null) {
                 message.isTurnBackZone = data.isTurnBackZone;
             }
+            if (data.direction != null) {
+                message.direction = data.direction;
+            }
             return message;
         }
         toObject() {
@@ -4059,6 +4079,7 @@ export namespace graphicData {
                 centralizedStations?: string[];
                 normalRunningDirection?: Section.RunningDirection;
                 isTurnBackZone?: boolean;
+                direction?: Direction;
             } = {};
             if (this.common != null) {
                 data.common = this.common.toObject();
@@ -4099,6 +4120,9 @@ export namespace graphicData {
             if (this.isTurnBackZone != null) {
                 data.isTurnBackZone = this.isTurnBackZone;
             }
+            if (this.direction != null) {
+                data.direction = this.direction;
+            }
             return data;
         }
         serialize(): Uint8Array;
@@ -4131,6 +4155,8 @@ export namespace graphicData {
                 writer.writeEnum(14, this.normalRunningDirection);
             if (this.isTurnBackZone != false)
                 writer.writeBool(15, this.isTurnBackZone);
+            if (this.direction != Direction.UP)
+                writer.writeEnum(16, this.direction);
             if (!w)
                 return writer.getResultBuffer();
         }
@@ -4179,6 +4205,9 @@ export namespace graphicData {
                     case 15:
                         message.isTurnBackZone = reader.readBool();
                         break;
+                    case 16:
+                        message.direction = reader.readEnum();
+                        break;
                     default: reader.skipField();
                 }
             }
@@ -4198,7 +4227,8 @@ export namespace graphicData {
         }
         export enum RunningDirection {
             AtoB = 0,
-            BtoA = 1
+            BtoA = 1,
+            BOTH = 2
         }
     }
     export class RelatedRef extends pb_1.Message {