diff --git a/src/Add-on/BoardCutting/CuttingUtils2.ts b/src/Add-on/BoardCutting/CuttingUtils2.ts
index b2136c743..27bae8c1b 100644
--- a/src/Add-on/BoardCutting/CuttingUtils2.ts
+++ b/src/Add-on/BoardCutting/CuttingUtils2.ts
@@ -6,9 +6,8 @@ import { Board } from "../../DatabaseServices/Entity/Board";
 import { ExtrudeSolid } from "../../DatabaseServices/Entity/Extrude";
 import { HardwareCompositeEntity } from "../../DatabaseServices/Hardware/HardwareCompositeEntity";
 import { Box3Ext } from "../../Geometry/Box";
-import { DownPanelStore } from "../../UI/Store/DownPanelStore";
 
-export async function CuttingBoardByBoard(meats: Board[], knifs: Board[], isRelevance = true): Promise<void>
+export function CuttingBoardByBoard(meats: Board[], knifs: Board[], isRelevance = true)
 {
     // //进度条
     // let down = DownPanelStore.GetInstance() as DownPanelStore;
diff --git a/src/Add-on/twoD2threeD/Polyline2Board.ts b/src/Add-on/twoD2threeD/Polyline2Board.ts
index 50adc96ac..b3cb25e64 100644
--- a/src/Add-on/twoD2threeD/Polyline2Board.ts
+++ b/src/Add-on/twoD2threeD/Polyline2Board.ts
@@ -24,6 +24,7 @@ import { BoardModalType } from "../../UI/Components/Board/BoardModal";
 import { UpdateBoardInfos } from "../BoardEditor/UpdateBoardInfos";
 import { FixDigits } from "../../Common/Utils";
 import { GetRectData } from "../../Common/CurveUtils";
+import { CuttingBoardByBoard } from "../BoardCutting/CuttingUtils2";
 
 const MaxBoardDistance = 200;//左右侧板,顶底板距离边缘的最大距离
 
@@ -98,6 +99,8 @@ export class Polyline2Board implements Command
     //板名设置属性配置
     maxThickness: number = 20;
     backBrName = "背板";
+    behindIsRelative = false;
+    footThickness: number;
     InitData(store: Rec2BrStore)
     {
         let option = store.m_Option;
@@ -123,6 +126,8 @@ export class Polyline2Board implements Command
         this.grooveWidth = safeEval(option.grooveOption.grooveAddWidth);
         this.maxThickness = option.maxThickness;
         this.backBrName = option.backBrName;
+        this.behindIsRelative = option.behindIsRelative;
+        this.footThickness = option.footerThickness;
     }
     //绘制 传入曲线id表
     async Doit(pls: Polyline[])
@@ -472,12 +477,12 @@ export class Polyline2Board implements Command
             //修改板名和前缩
             for (let br of leftBoards)
             {
-                br.ColorIndex = 15;
+                br.ColorIndex = 11;
                 br.Name = storeOption.farLeftVerticalBrName;
             }
             for (let br of rightBoards)
             {
-                br.ColorIndex = 12;
+                br.ColorIndex = 11;
                 br.Name = storeOption.farRightVerticalBrName;
             }
 
@@ -502,17 +507,17 @@ export class Polyline2Board implements Command
                 br.ColorIndex = 8;
             }
 
-            const FixdjsktThickness = (br: Board) =>
+            const FixdjsktThickness = (br: Board, thicknee?: number) =>
             {
                 let oldPt = br.MinPoint;
-                br.Thickness = this.boardThick;
+                br.Thickness = thicknee ?? this.boardThick;
                 let newPt = br.MinPoint;
                 br.Position = br.Position.add(oldPt.sub(newPt));
             };
 
             for (let br of djxs)//地脚
             {
-                FixdjsktThickness(br);
+                FixdjsktThickness(br, this.footThickness);
 
                 if (storeOption.isbottomMostBackBrName)
                     br.Name = storeOption.bottomMostBackBrName;
@@ -558,12 +563,19 @@ export class Polyline2Board implements Command
                 UpdateBoardInfos.ModifyBr(b, nameOption);
             }
 
-        for (let br of layerVerBoards)
+        if (this.behindIsRelative)
         {
-            //柜体内缩
-            CurtailFunc(br, this.fontDis);
-            br.Subtract(backBoards);
+            for (let br of layerVerBoards)
+                CurtailFunc(br, this.fontDis);
+            CuttingBoardByBoard(layerVerBoards, backBoards);
         }
+        else
+            for (let br of layerVerBoards)
+            {
+                //柜体内缩
+                CurtailFunc(br, this.fontDis);
+                br.Subtract(backBoards);
+            }
     }
 
     DrawBoard(pls: Polyline[], isBack = false, color?: number): Board[]
diff --git a/src/Add-on/twoD2threeD/R2BProcessComponent.tsx b/src/Add-on/twoD2threeD/R2BProcessComponent.tsx
index 123d70a29..d72dca191 100644
--- a/src/Add-on/twoD2threeD/R2BProcessComponent.tsx
+++ b/src/Add-on/twoD2threeD/R2BProcessComponent.tsx
@@ -44,6 +44,7 @@ export class R2BProcessComponent extends React.Component<IR2BProcessComponentPro
                     <div className="flex br-mat">
                         <div>
                             <SetBoardDataItem
+                                titleStyle={{ width: "3.5rem" }}
                                 type={CheckObjectType.R2B}
                                 optKey="roomName"
                                 option={store.m_Option}
diff --git a/src/Add-on/twoD2threeD/R2bConfigComponent.tsx b/src/Add-on/twoD2threeD/R2bConfigComponent.tsx
index 9667bd71c..d6b364495 100644
--- a/src/Add-on/twoD2threeD/R2bConfigComponent.tsx
+++ b/src/Add-on/twoD2threeD/R2bConfigComponent.tsx
@@ -67,6 +67,13 @@ export class R2BConfigComponent extends React.Component<IR2BConfigComponentProps
                         uiOption={store.UIOption}
                         title="最大板厚"
                     />
+                    <SetBoardDataItem
+                        type={CheckObjectType.R2B}
+                        optKey="footerThickness"
+                        option={store.m_Option}
+                        uiOption={store.UIOption}
+                        title="地脚厚度"
+                    />
                 </div>
                 <H5>背板规则</H5>
                 <div className="flex" style={{ flexDirection: "column" }}>
@@ -98,6 +105,7 @@ export class R2BConfigComponent extends React.Component<IR2BConfigComponentProps
                         option={store.m_Option}
                         uiOption={store.UIOption}
                     />
+                    <Checkbox label="是否关联切割" checked={store.m_Option.behindIsRelative} onChange={() => store.m_Option.behindIsRelative = !store.m_Option.behindIsRelative} />
                 </div>
                 <H5>前缩</H5>
                 <div className="flex" style={{}}>
diff --git a/src/Add-on/twoD2threeD/R2bInterface.ts b/src/Add-on/twoD2threeD/R2bInterface.ts
index aaaaf19d0..09c2bb619 100644
--- a/src/Add-on/twoD2threeD/R2bInterface.ts
+++ b/src/Add-on/twoD2threeD/R2bInterface.ts
@@ -64,4 +64,6 @@ export interface IRec2BrOption extends IBaseOption
     useBrName: boolean; //使用板件名配置
     configName: string;
     backBrName: string;//背板名称
+    behindIsRelative: boolean;
+    footerThickness: number;
 }
diff --git a/src/Add-on/twoD2threeD/Rec2BrStore.ts b/src/Add-on/twoD2threeD/Rec2BrStore.ts
index 287306e80..1b9694b77 100644
--- a/src/Add-on/twoD2threeD/Rec2BrStore.ts
+++ b/src/Add-on/twoD2threeD/Rec2BrStore.ts
@@ -26,7 +26,7 @@ export class Rec2BrStore extends BoardStore<IRec2BrOption>
     }
     HasInvailValue()
     {
-        return CheckoutValid.HasInvailValue(this.m_Option, CheckObjectType.R2B);//
+        return CheckoutValid.HasInvailValue(this.UIOption, CheckObjectType.R2B);//
     }
     SaveConfig()
     {
@@ -59,6 +59,13 @@ export class Rec2BrStore extends BoardStore<IRec2BrOption>
             cof.option.version = 2;
             cof.option.backBrName = "背板";
         }
+        if (cof.option.version < 3)
+        {
+            cof.option.version = 3;
+            cof.option.behindIsRelative = false;
+            cof.option.footerThickness = 18;
+        }
+
         let grooveOption = cof.option.grooveOption;
         delete cof.option.grooveOption;
         Object.assign(this.m_Option, cof.option);
diff --git a/src/Common/CheckoutVaildValue.ts b/src/Common/CheckoutVaildValue.ts
index a86e154d5..ac53e41ba 100644
--- a/src/Common/CheckoutVaildValue.ts
+++ b/src/Common/CheckoutVaildValue.ts
@@ -286,12 +286,18 @@ export namespace CheckoutValid
             case "cabinetDeep":
             case "cabinetBrThick":
             case "backBrThick":
-            case "maxThickness":
                 if (isNaN(val))
                     return "数值不能为空且必须为数字";
                 if (!(val >= 0))
                     return "数值必须大于等于0";
                 return "";
+            case "maxThickness":
+            case "footerThickness":
+                if (isNaN(val))
+                    return "数值不能为空且必须为数字";
+                if (val <= 0)
+                    return "数值必须大于0";
+                return "";
             case "cabinetCurtail":
             case "backBrBiggerThanHeight":
             case "backBrBiggerThanWidth":
diff --git a/src/Editor/DefaultConfig.ts b/src/Editor/DefaultConfig.ts
index 8150be2b9..2adbd027a 100644
--- a/src/Editor/DefaultConfig.ts
+++ b/src/Editor/DefaultConfig.ts
@@ -647,5 +647,7 @@ export const DefaultR2bOption: IRec2BrOption = {
     useBrName: true,
     configName: "",
     backBrName: "背板",
+    behindIsRelative: false,
+    footerThickness: 18,
 };
 Object.freeze(DefaultR2bOption);
diff --git a/src/UI/Components/Board/BoardCommon.tsx b/src/UI/Components/Board/BoardCommon.tsx
index eb350ee28..73acf7f8d 100644
--- a/src/UI/Components/Board/BoardCommon.tsx
+++ b/src/UI/Components/Board/BoardCommon.tsx
@@ -35,6 +35,7 @@ export interface ISetItemOption
     mounted?(); /**组件挂载完成触发 */
     isUpper?: boolean;
     tip?: string;
+    titleStyle?: React.CSSProperties;
 }
 interface ISetBlockOption
 {
@@ -75,7 +76,7 @@ export class SetBoardDataItem extends React.Component<ISetItemOption, {}>
         const props = this.props;
         return (
             <div title={this.props.tip ?? ""} className={props.className + " br-set " + (props.inline ? "inline" : "")}>
-                <span>
+                <span style={props.titleStyle ?? {}}>
                     {props.title}:
                  </span>
                 <ToasterInput