diff --git a/src/Add-on/Open.ts b/src/Add-on/Open.ts
index a720c48d9..fe37ab880 100644
--- a/src/Add-on/Open.ts
+++ b/src/Add-on/Open.ts
@@ -1,3 +1,4 @@
+import { StoreageKeys } from "../Common/StoreageKeys";
 import { FileServer } from "../DatabaseServices/FileServer";
 import { Command } from "../Editor/CommandMachine";
 
@@ -5,7 +6,7 @@ export class Open implements Command
 {
     async exec()
     {
-        let fid = localStorage.getItem('lastfid');
+        let fid = localStorage.getItem(StoreageKeys.LastOpenFileId);
         if (fid)
             (FileServer.GetInstance() as FileServer).OpenFile(fid);
     }
diff --git a/src/Add-on/ReOpen.ts b/src/Add-on/ReOpen.ts
new file mode 100644
index 000000000..403792ac6
--- /dev/null
+++ b/src/Add-on/ReOpen.ts
@@ -0,0 +1,32 @@
+import { Command } from "../Editor/CommandMachine";
+import { FileServer } from "../DatabaseServices/FileServer";
+import { app } from "../ApplicationServices/Application";
+import { IsDev } from "../Common/Deving";
+export class ReOpen implements Command
+{
+    async exec()
+    {
+        if (!IsDev() && !app.Saved)
+        {
+            let res = await app.Editor.GetKeyWords({
+                Msg: "当前图纸未保存,是否放弃当前图纸继续新建?",
+                KeyWordList: [
+                    { key: "Y", msg: "是" },
+                    { key: "N", msg: "否" },
+                ],
+                Default: "N"
+            });
+            if (res.StringResult !== "Y")
+                return;
+        }
+
+        let fileServer = FileServer.GetInstance() as FileServer;
+        if (fileServer.m_CurFileId)
+        {
+            let id = fileServer.m_CurFileId;
+            app.CreateDocument();
+            fileServer.m_CurFileId = undefined;
+            fileServer.OpenFile(id);
+        }
+    }
+}
diff --git a/src/Add-on/Save.ts b/src/Add-on/Save.ts
index ab53ccd9e..98a865d7a 100644
--- a/src/Add-on/Save.ts
+++ b/src/Add-on/Save.ts
@@ -3,6 +3,7 @@ import { app } from '../ApplicationServices/Application';
 import { FileSystem } from '../Common/FileSystem';
 import { RequestStatus, uploadLogo } from '../Common/Request';
 import { deflate, GetCurrentViewPreViewImage } from '../Common/SerializeMaterial';
+import { StoreageKeys } from "../Common/StoreageKeys";
 import { FileServer } from '../DatabaseServices/FileServer';
 import { Command } from '../Editor/CommandMachine';
 
@@ -34,6 +35,7 @@ export class Save implements Command
             if (data.err_code === RequestStatus.Ok)
             {
                 fileServer.m_CurFileId = data.files.file_id;
+                localStorage.setItem(StoreageKeys.LastOpenFileId, fileServer.m_CurFileId);
             }
         }
 
diff --git a/src/Common/StoreageKeys.ts b/src/Common/StoreageKeys.ts
index a6d7ecbe5..4439bd228 100644
--- a/src/Common/StoreageKeys.ts
+++ b/src/Common/StoreageKeys.ts
@@ -8,4 +8,5 @@ export enum StoreageKeys
     ConfigName = "configName_",
     IsNewErp = "isNewErp",
     RoomName = "roomName",
+    LastOpenFileId = "lastfid",
 }
diff --git a/src/DatabaseServices/FileServer.ts b/src/DatabaseServices/FileServer.ts
index daa42d474..9d7cd7e46 100644
--- a/src/DatabaseServices/FileServer.ts
+++ b/src/DatabaseServices/FileServer.ts
@@ -5,6 +5,7 @@ import { FileUrls } from "../Common/HostUrl";
 import { DirectoryId, PostJson, RequestStatus } from "../Common/Request";
 import { inflate } from "../Common/SerializeMaterial";
 import { Singleton } from "../Common/Singleton";
+import { StoreageKeys } from "../Common/StoreageKeys";
 import { IDirectoryProps } from "../UI/Components/SourceManage/CommonPanel";
 import { CADFiler } from "./CADFiler";
 
@@ -148,6 +149,6 @@ export class FileServer extends Singleton
     {
         if (fileInfo.name)
             this.currentFileInfo.name = fileInfo.name;
-        localStorage.setItem('lastfid', fileInfo.file_id || "");
+        localStorage.setItem(StoreageKeys.LastOpenFileId, fileInfo.file_id || "");
     }
 }
diff --git a/src/Editor/CommandRegister.ts b/src/Editor/CommandRegister.ts
index c28cf9922..d20ddb3b9 100644
--- a/src/Editor/CommandRegister.ts
+++ b/src/Editor/CommandRegister.ts
@@ -99,6 +99,7 @@ import { PasteClip } from "../Add-on/PasteClip";
 import { Pedit } from "../Add-on/Pedit";
 import { Command_PLTest } from "../Add-on/polytest";
 import { Command_Purge } from "../Add-on/Purge";
+import { ReOpen } from "../Add-on/ReOpen";
 import { Command_RestoreColor } from "../Add-on/RestoreColor";
 import { Command_Reverse } from "../Add-on/Reverse";
 import { Command_Rotate } from "../Add-on/Rotate";
@@ -207,6 +208,7 @@ export function registerCommand()
     commandMachine.RegisterCommand("new", new New());
 
     commandMachine.RegisterCommand("open", new Open());
+    commandMachine.RegisterCommand("reopen", new ReOpen());
 
     commandMachine.RegisterCommand("arc", new DrawArc());
 
diff --git a/src/UI/Components/MainContent/Content.tsx b/src/UI/Components/MainContent/Content.tsx
index 173ce66ea..55b52148b 100644
--- a/src/UI/Components/MainContent/Content.tsx
+++ b/src/UI/Components/MainContent/Content.tsx
@@ -4,6 +4,7 @@ import { inject, observer } from 'mobx-react';
 import * as React from 'react';
 import { IsDev } from '../../../Common/Deving';
 import { CURRENT_HOST, ResourcesCDN_HOST } from '../../../Common/HostUrl';
+import { StoreageKeys } from '../../../Common/StoreageKeys';
 import { FileServer } from '../../../DatabaseServices/FileServer';
 import { TopPanelStore } from '../../Store/TopPanelStore';
 import { Carousel } from '../Carousel';
@@ -33,7 +34,7 @@ export class ContentComponent extends React.Component<{ store?: TopPanelStore; }
         {
             this.props.store.openMain = false;
             this.props.store.editoring = true;
-            let fid = localStorage.getItem('lastfid');
+            let fid = localStorage.getItem(StoreageKeys.LastOpenFileId);
             if (fid)
                 (FileServer.GetInstance() as FileServer).OpenFile(fid);
             return;
diff --git a/src/UI/Components/SourceManage/FilePanel.tsx b/src/UI/Components/SourceManage/FilePanel.tsx
index 24794588d..fe5d6653f 100644
--- a/src/UI/Components/SourceManage/FilePanel.tsx
+++ b/src/UI/Components/SourceManage/FilePanel.tsx
@@ -4,9 +4,10 @@ import { inject, observer } from 'mobx-react';
 import * as React from 'react';
 import { app } from '../../../ApplicationServices/Application';
 import { FileSystem } from '../../../Common/FileSystem';
-import { FileUrls, CURRENT_HOST } from '../../../Common/HostUrl';
+import { CURRENT_HOST, FileUrls } from '../../../Common/HostUrl';
 import { DirectoryId } from '../../../Common/Request';
 import { deflate } from '../../../Common/SerializeMaterial';
+import { StoreageKeys } from '../../../Common/StoreageKeys';
 import { FileFormatReg } from '../../../Common/Utils';
 import { FileServer } from '../../../DatabaseServices/FileServer';
 import { TopPanelStore } from '../../Store/TopPanelStore';
@@ -127,9 +128,9 @@ export class FilePanel extends React.Component<{ store?: TopPanelStore; }, {}>
         let server = FileServer.GetInstance() as FileServer;
         if (data.file_ids.includes(server.m_CurFileId))
             this.handleAddNewFile("新文件", this.commonPanel['currentDir']);
-        let lastFid = localStorage.getItem('lastfid');
-        if (data.file_ids.includes(lastFid))
-            localStorage.setItem('lastfid', "");
+        let lastFileId = localStorage.getItem(StoreageKeys.LastOpenFileId);
+        if (data.file_ids.includes(lastFileId))
+            localStorage.setItem(StoreageKeys.LastOpenFileId, "");
     };
     renderNav = () =>
     {