diff --git a/__test__/EdgeSealing/EdgeSealing.test.ts b/__test__/EdgeSealing/EdgeSealing.test.ts
index dd3078591..f038a2c24 100644
--- a/__test__/EdgeSealing/EdgeSealing.test.ts
+++ b/__test__/EdgeSealing/EdgeSealing.test.ts
@@ -145,3 +145,23 @@ test("封边错误板件2", () =>
 
     expect(con.Area).toMatchSnapshot();
 });
+test("封边错误板件3", () =>
+{
+    let data = { "file": [1, "Board", 8, 2, 100, false, 1, 3, 0, [1, 0, 0, 0, 0, 0, 1, 0, 0, -1, 0, 0, 668.6547958775191, 360.34483792621177, 0, 1], 0, 0, true, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 668.6547958775191, 360.34483792621177, 0, 1], 0, 3, 430.00000000003945, 843.0000701800069, 18, true, "Polyline", 8, 2, 0, false, 0, 7, 0, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 429.99984841118567, 0, 1], 0, 0, true, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 0, 2, 6, [843, -429.99984841118567], 0, [843.0000701800067, 0.00015158885375399223], 0, [843.0000701800069, 0.00015158885375399223], 0, [843.0000000000002, 0.00015158881433308125], 0, [0, 0], 0, [0, -429.99984841118567], 0, true, 0, 3, 0, 0, 0, 0, 0, 9, 2, "背板", "", "父母房-衣柜", "兔宝宝洛萨暮影（杉木芯）", "兔宝宝洛萨暮影（杉木芯）", "兔宝宝洛萨暮影（杉木芯）", 0, 1, "三合一", 2, 5, 1, 1, 1, 1, 1, "1", "1", "1", "1", "", "", "", 6, "三合一", "三合一", "三合一", "三合一", "三合一", "三合一", false, true, 0, 0, 0, 0, 0, 0, 0, 0, true], "basePt": { "x": 668.6547958775191, "y": 342.34483792621177, "z": 0 }, "ucs": [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1] };
+    let br = LoadBoardsFromFileData(data)[0];
+
+    let con = GetSealedBoardContour(br, false);
+    expect(con.IsClose).toBeTruthy();
+
+    expect(con.Area).toMatchSnapshot();
+});
+test("封边错误板件4", () =>
+{
+    let data = { "file": [1, "Board", 8, 2, 104, false, 1, 4, 0, [1, 0, 0, 0, 0, 0, 1, 0, 0, -1, 0, 0, 1791.2350208071002, 332.28157054709305, 0, 1], 0, 0, true, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1791.221632944289, 332.28157054709305, -1220.5383064692724, 1], 0, 3, 608.4984929746847, 54, 18, false, "Polyline", 8, 2, 0, false, 0, 7, 0, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 0, 0, true, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 0, 2, 5, [0, 0], 0, [53.986612137188786, 0], 0, [54, 0.8772342627713384], 0, [53.99999999999998, 578.4441943321467], 0, [0, 608.4984929746847], 0, true, 0, 3, 0, 0, 0, 0, 0, 9, 2, "左收口条", "主卧", "下柜左收口", "多层板", "多层板", "无语枫木", 0, 0, "三合一", 2, 0, "1", "1", "1", "1", "", "", "", 5, "三合一", "三合一", "三合一", "三合一", "三合一", true, true, 0, 0, 0, 0, 0, 0, 0, 0, true], "basePt": { "x": 1791.2350208071002, "y": 314.28157054709305, "z": 0 }, "ucs": [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1] };
+    let br = LoadBoardsFromFileData(data)[0];
+
+    let con = GetSealedBoardContour(br, false);
+    expect(con.IsClose).toBeTruthy();
+
+    expect(con.Area).toMatchSnapshot();
+});
diff --git a/__test__/EdgeSealing/__snapshots__/EdgeSealing.test.ts.snap b/__test__/EdgeSealing/__snapshots__/EdgeSealing.test.ts.snap
index 2b434c4c6..2bdd43588 100644
--- a/__test__/EdgeSealing/__snapshots__/EdgeSealing.test.ts.snap
+++ b/__test__/EdgeSealing/__snapshots__/EdgeSealing.test.ts.snap
@@ -4,10 +4,14 @@ exports[`丢失线段板件 1`] = `554052.5007766777`;
 
 exports[`丢失线段板件 2`] = `398758.8789695821`;
 
-exports[`封边错误板件 1`] = `130118.40949065729`;
+exports[`封边错误板件 1`] = `130118.4094685434`;
 
 exports[`封边错误板件2 1`] = `779770.9650700318`;
 
+exports[`封边错误板件3 1`] = `359947.9512754363`;
+
+exports[`封边错误板件4 1`] = `30748.998596293524`;
+
 exports[`常规板件,常规坐标系 1`] = `716404`;
 
 exports[`常规板件,常规坐标系 2`] = `711624`;
diff --git a/src/Add-on/Purge.ts b/src/Add-on/Purge.ts
index b4fffd8af..7ee6b6ef6 100644
--- a/src/Add-on/Purge.ts
+++ b/src/Add-on/Purge.ts
@@ -49,4 +49,10 @@ export function Purge(db: Database)
     {
         return g.Entitys.length === 0 || g.Entitys.every(e => !e || e.IsErase);
     });
+    arrayRemoveIf(db.LayoutSpace.Entitys, e =>
+    {
+        let isErase = e.IsErase;
+        if (isErase) e.GoodBye();
+        return isErase;
+    });
 }
diff --git a/src/Common/CurveUtils.ts b/src/Common/CurveUtils.ts
index 14fec3b14..5fa6f0c9e 100644
--- a/src/Common/CurveUtils.ts
+++ b/src/Common/CurveUtils.ts
@@ -15,7 +15,7 @@ import { IntersectOption, IntersectResult } from '../GraphicsSystem/IntersectWit
 import { OffsetPolyline } from '../GraphicsSystem/OffsetPolyline';
 import { arrayLast, changeArrayStartIndex, equalArray } from './ArrayExt';
 import { Status } from './Status';
-import { FixIndex } from './Utils';
+import { FixIndex, LINK_FUZZ } from './Utils';
 
 //3点获取圆心
 export function getCircleCenter(pt1: Vector3, pt2: Vector3, pt3: Vector3)
@@ -570,7 +570,7 @@ export function MergeCurvelist(cus: Curve[])
         let c2 = cus[nextI];
 
 
-        let status = equaln(c2.Length, 0) ? Status.True : c1.Join(c2, false, 1e-4);
+        let status = equaln(c2.Length, 0, LINK_FUZZ) ? Status.True : c1.Join(c2, false, LINK_FUZZ);
         if (status === Status.True)
         {
             cus.splice(nextI, 1);
diff --git a/src/Common/Utils.ts b/src/Common/Utils.ts
index 11cdf117b..e87e1f234 100644
--- a/src/Common/Utils.ts
+++ b/src/Common/Utils.ts
@@ -14,6 +14,9 @@ export const onlyEnExpReg = /[^A-Za-z]/g;
 export const ClosingStripReg = /[左|右|上]{1}收口$/;
 export const FileFormatReg = /^\[(\d+,){5}[(true)|(false)].+\]$/;
 
+/**扣除封边是否相连和连接共用精度 */
+export const LINK_FUZZ = 1e-3;
+
 export async function draw(en: Entity | Entity[] | Object3D)
 {
     let app = (await import("../ApplicationServices/Application")).app;
diff --git a/src/Editor/AutoSave.ts b/src/Editor/AutoSave.ts
index a35c97e67..8ae470a19 100644
--- a/src/Editor/AutoSave.ts
+++ b/src/Editor/AutoSave.ts
@@ -11,7 +11,6 @@ import { TempEditor } from "./TempEditor";
 
 export class AutoSaveServer
 {
-    private indexDbStore: IndexedDbStore;
     //缓存过了
     isCached = false;
     private timeId: NodeJS.Timeout;
@@ -58,11 +57,14 @@ export class AutoSaveServer
     }
     async SavaData(data: any[])
     {
-        if (!this.indexDbStore)
-            this.indexDbStore = await IndexedDbStore.CADStore();
+        const indexDbStore = await IndexedDbStore.CADStore();
         let server = FileServer.GetInstance() as FileServer;
-        this.indexDbStore.Put(StoreName.FileCache, localStorage.getItem(StoreageKeys.Uid), { time: new Date().toLocaleString(), data, fid: server.m_CurFileId });
-        Log("文件缓存成功!");
+        const uid = localStorage.getItem(StoreageKeys.Uid);
+        if (uid)
+        {
+            indexDbStore.Put(StoreName.FileCache, uid, { time: new Date().toLocaleString(), data, fid: server.m_CurFileId });
+            Log("文件缓存成功!");
+        }
         this.isCached = true;
     }
     async Clear()
diff --git a/src/GraphicsSystem/CalcEdgeSealing.ts b/src/GraphicsSystem/CalcEdgeSealing.ts
index b9d6c709d..cc4888227 100644
--- a/src/GraphicsSystem/CalcEdgeSealing.ts
+++ b/src/GraphicsSystem/CalcEdgeSealing.ts
@@ -1,5 +1,5 @@
 import { EBoardKeyList } from "../Common/BoardKeyList";
-import { FixIndex } from "../Common/Utils";
+import { FixIndex, LINK_FUZZ } from "../Common/Utils";
 import { Board } from "../DatabaseServices/Entity/Board";
 import { Circle } from "../DatabaseServices/Entity/Circle";
 import { Curve } from "../DatabaseServices/Entity/Curve";
@@ -115,8 +115,7 @@ export function ParagraphCulist(cus: Curve[])
     }
 }
 
-/**扣除封边是否相连和连接共用精度 */
-export const LINK_FUZZ = 1e-3;
+
 
 /**
  *计算封边
@@ -162,6 +161,8 @@ export function CalcEdgeSealing(cus: Curve[])
         {
             cus.splice(i, 1);
             i -= 2;
+            if (i < -1)
+                i = -1;
         }
         else
             frontLine.EndPoint = iPt;
@@ -171,7 +172,7 @@ export function CalcEdgeSealing(cus: Curve[])
         if (par > 1)
         {
             cus.splice(laterIndex, 1);
-            i -= 2;
+            i -= 1;
         }
         else
             laterLine.StartPoint = iPt;
@@ -212,6 +213,8 @@ export function GetBoardHighSeal(br: Board, sealcus: Curve[])
 /**偏移前后曲线起点没改变 */
 export function OffsetOutlineSpNotChange(oldcu: Curve, newCu: Curve)
 {
+    if (!newCu)
+        return false;
     let sDerv = oldcu.GetFistDeriv(0).normalize();
     let eDerv = oldcu.GetFistDeriv(oldcu.EndParam).normalize().negate();
     sDerv.add(eDerv).normalize();
diff --git a/src/Production/Product.ts b/src/Production/Product.ts
index 2e2b13eb6..4122a3333 100644
--- a/src/Production/Product.ts
+++ b/src/Production/Product.ts
@@ -28,7 +28,7 @@ import { Hole } from "../DatabaseServices/3DSolid/Hole";
 import { lookOverBoardInfosTool } from "../Add-on/LookOverBoardInfos/LookOverBoardInfosTool";
 import { Entity } from './../DatabaseServices/Entity/Entity';
 import { ICompHardwareOption } from './../UI/Components/RightPanel/RightPanelInterface';
-import { FixedNotZero } from "../Common/Utils";
+import { FixedNotZero, LINK_FUZZ } from "../Common/Utils";
 
 
 /**板件轮廓数据 */
@@ -445,7 +445,7 @@ export namespace Production
         }
         let cus = con.Explode();
         MergeCurvelist(cus);
-        let pl = Polyline.Combine(cus);
+        let pl = Polyline.Combine(cus, LINK_FUZZ);
         if (isSplite && pl.Area2 < 0)
             pl.Reverse();
         return pl;