diff --git a/src/Add-on/BoardEditor/SetThinBehindBoard.ts b/src/Add-on/BoardEditor/SetThinBehindBoard.ts
new file mode 100644
index 000000000..d82cc78f2
--- /dev/null
+++ b/src/Add-on/BoardEditor/SetThinBehindBoard.ts
@@ -0,0 +1,22 @@
+import { app } from "../../ApplicationServices/Application";
+import { Board } from "../../DatabaseServices/Entity/Board";
+import { Command } from "../../Editor/CommandMachine";
+import { PromptStatus } from "../../Editor/PromptResult";
+import { BoardType } from "../../UI/Store/BoardInterface";
+
+export class SetThinBehindBoard implements Command
+{
+    async exec()
+    {
+        let ssRes = await app.Editor.GetSelection({
+            Msg: "选择薄背板", Filter: {
+                filterFunction: (obj, ent) =>
+                {
+                    return (ent instanceof Board) && (ent.BoardType === BoardType.Behind) && (ent.Thickness < 15);
+                }
+            }, UseSelect: true
+        });
+        if (ssRes.Status === PromptStatus.OK)
+            app.Editor.SetSelection(ssRes.SelectSet.SelectEntityList);
+    }
+}
diff --git a/src/Common/CommandNames.ts b/src/Common/CommandNames.ts
index d9f804f94..bbe624d47 100644
--- a/src/Common/CommandNames.ts
+++ b/src/Common/CommandNames.ts
@@ -81,6 +81,7 @@ export enum CommandNames
     LRBoard = "LEFTRIGHTBOARD",
     TBBoard = "TOPBOTTOMBOARD",
     BehindBoard = "BEHINDBOARD",
+    ThinBehindBoard = "THINBEHINDBOARD",
     LayerBoard = "LAYERBOARD",
     VertialBoard = "VERTIALBOARD",
     SingleBoard = "SINGLEBOARD",
diff --git a/src/Editor/CommandRegister.ts b/src/Editor/CommandRegister.ts
index a6080660d..575ee16bc 100644
--- a/src/Editor/CommandRegister.ts
+++ b/src/Editor/CommandRegister.ts
@@ -16,6 +16,7 @@ import { ReferenceCutting } from "../Add-on/BoardCutting/ReferenceCutting";
 import { Command_ChangeBoardColorByPBFace } from "../Add-on/BoardEditor/ChangeBoardColorByPBFace";
 import { Command_ClearBoard2DModeling } from "../Add-on/BoardEditor/ClearBoard2DModeling";
 import { SetBoardLines, SetComposingFace } from "../Add-on/BoardEditor/SetBoardLines";
+import { SetThinBehindBoard } from "../Add-on/BoardEditor/SetThinBehindBoard";
 import { Command_TextModifyTool } from "../Add-on/BoardEditor/TextModifyTool";
 import { UpdateBoardInfos } from "../Add-on/BoardEditor/UpdateBoardInfos";
 import { BoardFindModify } from "../Add-on/BoardFindModify";
@@ -433,6 +434,7 @@ export function registerCommand()
 
     //改板
     commandMachine.RegisterCommand(CommandNames.SetBRXAxis, new Command_SetBRXAxis);
+    commandMachine.RegisterCommand(CommandNames.ThinBehindBoard, new SetThinBehindBoard());
 
     //修改颜色命令
     for (let i = 0; i <= 255; i++) commandMachine.RegisterCommand((i).toString(), new ChangeColor(i));
diff --git a/src/UI/Components/CommandPanel/CommandList.ts b/src/UI/Components/CommandPanel/CommandList.ts
index 1e6ae587a..f51f4d018 100644
--- a/src/UI/Components/CommandPanel/CommandList.ts
+++ b/src/UI/Components/CommandPanel/CommandList.ts
@@ -793,6 +793,14 @@ export const CommandList: ICommand[] = [
         chName: "模拟造型走刀+排钻+封边",
         chDes: "",
     },
+    {
+        typeId: "bjbj",
+        defaultCustom: "BBB",
+        command: CommandNames.ThinBehindBoard,
+        type: "板件编辑",
+        chName: "选择薄背板",
+        chDes: "选择薄背板（厚度小于15）",
+    },
 
     //灯光命令
     {
diff --git a/src/UI/Components/TopToolBar/TopToolBar.tsx b/src/UI/Components/TopToolBar/TopToolBar.tsx
index 5960d2560..fe902d179 100644
--- a/src/UI/Components/TopToolBar/TopToolBar.tsx
+++ b/src/UI/Components/TopToolBar/TopToolBar.tsx
@@ -57,6 +57,7 @@ export class TopToolBar extends React.Component<{}, {}>
             { svg: IconEnum.ZYC, title: "左右侧板", command: CommandNames.LRBoard },
             { svg: IconEnum.DDB, title: "顶底板", command: CommandNames.TBBoard },
             { svg: IconEnum.BB, title: "背板", command: CommandNames.BehindBoard },
+            { svg: IconEnum.BB, title: "薄背板", command: CommandNames.ThinBehindBoard },
             { svg: IconEnum.LB, title: "立板", command: CommandNames.VertialBoard },
             { svg: IconEnum.CB, title: "层板", command: CommandNames.LayerBoard },
             { svg: IconEnum.SKT, title: "收口条", command: CommandNames.CloseStrip },