diff --git a/src/components/ReactPlayground/CodeEditor/Editor/hooks.ts b/src/components/ReactPlayground/CodeEditor/Editor/hooks.ts
index f14aa3b..7535cc7 100644
--- a/src/components/ReactPlayground/CodeEditor/Editor/hooks.ts
+++ b/src/components/ReactPlayground/CodeEditor/Editor/hooks.ts
@@ -2,7 +2,7 @@ import { editor, IPosition, Selection } from 'monaco-editor'
 import ScrollType = editor.ScrollType
 import { Monaco } from '@monaco-editor/react'
 import { getWorker, MonacoJsxSyntaxHighlight } from 'monaco-jsx-syntax-highlight'
-import { createATA, TypeHelper } from '@/components/ReactPlayground/CodeEditor/Editor/ata.ts'
+import { createATA, TypeHelper } from '@/components/ReactPlayground/CodeEditor/Editor/ata'
 
 export const useEditor = () => {
     const doOpenEditor = (
diff --git a/src/components/ReactPlayground/CodeEditor/Editor/index.tsx b/src/components/ReactPlayground/CodeEditor/Editor/index.tsx
index 7be12ca..c3887bf 100644
--- a/src/components/ReactPlayground/CodeEditor/Editor/index.tsx
+++ b/src/components/ReactPlayground/CodeEditor/Editor/index.tsx
@@ -3,13 +3,14 @@ import { editor, Selection } from 'monaco-editor'
 import MonacoEditor, { Monaco } from '@monaco-editor/react'
 import '@/components/ReactPlayground/CodeEditor/Editor/editor.scss'
 import { IEditorOptions, IFiles, ITheme } from '@/components/ReactPlayground/shared'
-import { MonacoEditorConfig } from '@/components/ReactPlayground/CodeEditor/Editor/monacoConfig'
 import { fileNameToLanguage } from '@/components/ReactPlayground/utils'
 import { useEditor, useTypesProgress } from '@/components/ReactPlayground/CodeEditor/Editor/hooks'
+import { MonacoEditorConfig } from '@/components/ReactPlayground/CodeEditor/Editor/monacoConfig'
 
 interface EditorProps {
     files?: IFiles
     selectedFileName?: string
+    readonly?: boolean
     onChange?: (code: string | undefined) => void
     options?: IEditorOptions
     theme?: ITheme
@@ -19,6 +20,7 @@ interface EditorProps {
 const Editor: React.FC<EditorProps> = ({
     files = {},
     selectedFileName = '',
+    readonly,
     theme,
     onChange,
     options,
@@ -92,7 +94,12 @@ const Editor: React.FC<EditorProps> = ({
                 value={file.value}
                 onChange={onChange}
                 onMount={handleOnEditorDidMount}
-                options={{ ...MonacoEditorConfig, ...options, theme: undefined }}
+                options={{
+                    ...MonacoEditorConfig,
+                    ...options,
+                    theme: undefined,
+                    readOnly: readonly
+                }}
             />
         </>
     )
diff --git a/src/components/ReactPlayground/CodeEditor/FileSelector/Item.tsx b/src/components/ReactPlayground/CodeEditor/FileSelector/Item.tsx
index 27bbc02..bcb447c 100644
--- a/src/components/ReactPlayground/CodeEditor/FileSelector/Item.tsx
+++ b/src/components/ReactPlayground/CodeEditor/FileSelector/Item.tsx
@@ -5,6 +5,8 @@ interface ItemProps {
     creating?: boolean
     value: string
     active?: boolean
+    hasEditing?: boolean
+    setHasEditing?: React.Dispatch<React.SetStateAction<boolean>>
     onOk?: (fileName: string) => void
     onCancel?: () => void
     onRemove?: (fileName: string) => void
@@ -16,6 +18,8 @@ const Item: React.FC<ItemProps> = ({
     readonly = false,
     value,
     active = false,
+    hasEditing,
+    setHasEditing,
     onOk,
     onCancel,
     onRemove,
@@ -27,6 +31,14 @@ const Item: React.FC<ItemProps> = ({
     const [fileName, setFileName] = useState(value)
     const [creating, setCreating] = useState(prop.creating)
 
+    const handleOnClick = () => {
+        if (hasEditing) {
+            return
+        }
+
+        onClick?.()
+    }
+
     const handleKeyDown = (event: React.KeyboardEvent<HTMLInputElement>) => {
         if (event.key === 'Enter') {
             event.preventDefault()
@@ -39,30 +51,35 @@ const Item: React.FC<ItemProps> = ({
 
     const finishNameFile = () => {
         if (!creating || onValidate ? !onValidate?.(fileName, value) : false) {
+            inputRef.current?.focus()
             return
         }
 
         if (fileName === value && active) {
             setCreating(false)
+            setHasEditing?.(false)
             return
         }
 
         onOk?.(fileName)
         setCreating(false)
+        setHasEditing?.(false)
     }
 
     const cancelNameFile = () => {
         setFileName(value)
         setCreating(false)
+        setHasEditing?.(false)
         onCancel?.()
     }
 
     const handleOnDoubleClick = () => {
-        if (readonly) {
+        if (readonly || creating || hasEditing) {
             return
         }
 
         setCreating(true)
+        setHasEditing?.(true)
         setFileName(value)
         setTimeout(() => {
             inputRef.current?.focus()
@@ -75,6 +92,9 @@ const Item: React.FC<ItemProps> = ({
 
     const handleOnDelete = (e: React.MouseEvent<HTMLDivElement>) => {
         e.stopPropagation()
+        if (hasEditing) {
+            return
+        }
         if (confirm(`确定删除文件 ${value} ？`)) {
             onRemove?.(value)
         }
@@ -85,7 +105,7 @@ const Item: React.FC<ItemProps> = ({
     }, [])
 
     return (
-        <div className={`tab-item${active ? ' active' : ''}`} onClick={onClick}>
+        <div className={`tab-item${active ? ' active' : ''}`} onClick={handleOnClick}>
             {creating ? (
                 <div className={'tab-item-input'}>
                     <input
diff --git a/src/components/ReactPlayground/CodeEditor/FileSelector/file-selector.scss b/src/components/ReactPlayground/CodeEditor/FileSelector/file-selector.scss
index 9da47bf..5ed521f 100644
--- a/src/components/ReactPlayground/CodeEditor/FileSelector/file-selector.scss
+++ b/src/components/ReactPlayground/CodeEditor/FileSelector/file-selector.scss
@@ -2,11 +2,10 @@
   display: flex;
   flex-direction: row;
   gap: 1px;
-  padding: 10px 20px 0 20px;
+  padding: 4px 20px 0 20px;
 
   .tab-item {
     display: flex;
-    flex-wrap: wrap;
     align-items: center;
     justify-content: center;
     height: 30px;
diff --git a/src/components/ReactPlayground/CodeEditor/FileSelector/index.tsx b/src/components/ReactPlayground/CodeEditor/FileSelector/index.tsx
index 6e0039a..3eee08a 100644
--- a/src/components/ReactPlayground/CodeEditor/FileSelector/index.tsx
+++ b/src/components/ReactPlayground/CodeEditor/FileSelector/index.tsx
@@ -1,19 +1,15 @@
 import React from 'react'
 import '@/components/ReactPlayground/CodeEditor/FileSelector/file-selector.scss'
-import { IFiles } from '@/components/ReactPlayground/shared.ts'
-import {
-    ENTRY_FILE_NAME,
-    IMPORT_MAP_FILE_NAME,
-    MAIN_FILE_NAME
-} from '@/components/ReactPlayground/files.ts'
-import Item from '@/components/ReactPlayground/CodeEditor/FileSelector/Item.tsx'
+import { IFiles } from '@/components/ReactPlayground/shared'
+import { ENTRY_FILE_NAME, IMPORT_MAP_FILE_NAME } from '@/components/ReactPlayground/files'
+import Item from '@/components/ReactPlayground/CodeEditor/FileSelector/Item'
 
 interface FileSelectorProps {
     files?: IFiles
     onChange?: (fileName: string) => void
     onError?: (msg: string) => void
     readonly?: boolean
-    readonlyFiles?: string[]
+    notRemovableFiles?: string[]
     onRemoveFile?: (fileName: string) => void
     onAddFile?: (fileName: string) => void
     onUpdateFileName?: (newFileName: string, oldFileName: string) => void
@@ -25,7 +21,7 @@ const FileSelector: React.FC<FileSelectorProps> = ({
     onChange,
     onError,
     readonly = false,
-    readonlyFiles = [],
+    notRemovableFiles = [],
     onRemoveFile,
     onAddFile,
     onUpdateFileName,
@@ -33,6 +29,7 @@ const FileSelector: React.FC<FileSelectorProps> = ({
 }) => {
     const [tabs, setTabs] = useState<string[]>([])
     const [creating, setCreating] = useState(false)
+    const [hasEditing, setHasEditing] = useState(false)
 
     const getMaxSequenceTabName = (filesName: string[]) => {
         const result = filesName.reduce((max, filesName) => {
@@ -79,7 +76,7 @@ const FileSelector: React.FC<FileSelectorProps> = ({
             onAddFile?.(value)
             setCreating(false)
         } else {
-            onUpdateFileName?.(item, value)
+            onUpdateFileName?.(value, item)
         }
 
         setTimeout(() => {
@@ -106,7 +103,14 @@ const FileSelector: React.FC<FileSelectorProps> = ({
 
     const handleOnRemove = (fileName: string) => {
         onRemoveFile?.(fileName)
-        handleOnClickTab(Object.keys(files)[Object.keys(files).length - 1])
+        if (fileName === selectedFileName) {
+            const index = Object.keys(files).indexOf(fileName) - 1
+            if (index >= 0) {
+                handleOnClickTab(Object.keys(files)[index])
+            } else {
+                handleOnClickTab(Object.keys(files)[1])
+            }
+        }
     }
 
     useEffect(() => {
@@ -133,9 +137,9 @@ const FileSelector: React.FC<FileSelectorProps> = ({
                         value={item}
                         active={selectedFileName == item}
                         creating={creating}
-                        readonly={
-                            readonly || readonlyFiles.includes(item) || MAIN_FILE_NAME == item
-                        }
+                        readonly={readonly || notRemovableFiles.includes(item)}
+                        hasEditing={hasEditing}
+                        setHasEditing={setHasEditing}
                         onValidate={handleOnValidateTab}
                         onOk={(name) => handleOnSaveTab(name, item)}
                         onCancel={handleOnCancel}
diff --git a/src/components/ReactPlayground/CodeEditor/index.tsx b/src/components/ReactPlayground/CodeEditor/index.tsx
index 0952284..a59640c 100644
--- a/src/components/ReactPlayground/CodeEditor/index.tsx
+++ b/src/components/ReactPlayground/CodeEditor/index.tsx
@@ -1,20 +1,23 @@
-import React, { useState } from 'react'
+import React from 'react'
+import _ from 'lodash'
+import { IEditorOptions, IFiles, ITheme } from '@/components/ReactPlayground/shared'
+import { fileNameToLanguage } from '@/components/ReactPlayground/utils'
 import FileSelector from '@/components/ReactPlayground/CodeEditor/FileSelector'
 import Editor from '@/components/ReactPlayground/CodeEditor/Editor'
-import { IEditorOptions, IFiles, ITheme } from '@/components/ReactPlayground/shared.ts'
-import FitFullscreen from '@/components/common/FitFullscreen.tsx'
-import FlexBox from '@/components/common/FlexBox.tsx'
-import _ from 'lodash'
+import FitFullscreen from '@/components/common/FitFullscreen'
+import FlexBox from '@/components/common/FlexBox'
 
 interface CodeEditorProps {
     theme: ITheme
     files: IFiles
     readonly?: boolean
     readonlyFiles?: string[]
+    notRemovable?: string[]
     selectedFileName: string
     options?: IEditorOptions
     onSelectedFileChange?: (fileName: string) => void
     onRemoveFile?: (fileName: string, files: IFiles) => void
+    onRenameFile?: (newFileName: string, oldFileName: string, files: IFiles) => void
 }
 
 const CodeEditor: React.FC<CodeEditorProps> = ({
@@ -22,9 +25,11 @@ const CodeEditor: React.FC<CodeEditorProps> = ({
     files,
     readonly,
     readonlyFiles,
+    notRemovable,
     options,
     onSelectedFileChange,
     onRemoveFile,
+    onRenameFile,
     ...props
 }) => {
     const [selectedFileName, setSelectedFileName] = useState(props.selectedFileName)
@@ -43,6 +48,24 @@ const CodeEditor: React.FC<CodeEditorProps> = ({
         onRemoveFile?.(fileName, clone)
     }
 
+    const handleOnUpdateFileName = (newFileName: string, oldFileName: string) => {
+        if (!files[oldFileName] || !newFileName) {
+            return
+        }
+
+        const { [oldFileName]: value, ...rest } = files
+        const newFile: IFiles = {
+            [newFileName]: {
+                ...value,
+                language: fileNameToLanguage(newFileName),
+                name: newFileName
+            }
+        }
+        const newFiles: IFiles = { ...rest, ...newFile }
+
+        onRenameFile?.(newFileName, oldFileName, newFiles)
+    }
+
     return (
         <>
             <FitFullscreen>
@@ -50,18 +73,20 @@ const CodeEditor: React.FC<CodeEditorProps> = ({
                     <FileSelector
                         files={files}
                         readonly={readonly}
-                        readonlyFiles={readonlyFiles}
+                        notRemovableFiles={notRemovable}
                         selectedFileName={
                             onSelectedFileChange ? props.selectedFileName : selectedFileName
                         }
                         onChange={handleOnChangeSelectedFile}
                         onRemoveFile={handleOnRemoveFile}
+                        onUpdateFileName={handleOnUpdateFileName}
                     />
                     <Editor
                         theme={theme}
                         selectedFileName={selectedFileName}
                         files={files}
                         options={options}
+                        readonly={readonly || readonlyFiles?.includes(selectedFileName)}
                     />
                 </FlexBox>
             </FitFullscreen>
diff --git a/src/components/ReactPlayground/shared.ts b/src/components/ReactPlayground/shared.ts
index 02fee27..0c7354e 100644
--- a/src/components/ReactPlayground/shared.ts
+++ b/src/components/ReactPlayground/shared.ts
@@ -1,7 +1,7 @@
 import React from 'react'
 import { editor } from 'monaco-editor'
 
-export type ILanguage = 'javascript' | 'typescript' | 'json' | 'css'
+export type ILanguage = 'javascript' | 'typescript' | 'json' | 'css' | 'xml'
 
 export interface IFile {
     name: string
diff --git a/src/components/ReactPlayground/utils.ts b/src/components/ReactPlayground/utils.ts
index 95b5a90..38ac84a 100644
--- a/src/components/ReactPlayground/utils.ts
+++ b/src/components/ReactPlayground/utils.ts
@@ -116,5 +116,6 @@ export const fileNameToLanguage = (name: string): ILanguage => {
     if (['ts', 'tsx'].includes(suffix)) return 'typescript'
     if (['json'].includes(suffix)) return 'json'
     if (['css'].includes(suffix)) return 'css'
+    if (['svg'].includes(suffix)) return 'xml'
     return 'javascript'
 }
diff --git a/src/pages/OnlineEditor.tsx b/src/pages/OnlineEditor.tsx
index 974ce4c..008cc53 100644
--- a/src/pages/OnlineEditor.tsx
+++ b/src/pages/OnlineEditor.tsx
@@ -5,25 +5,53 @@ import { IFiles } from '@/components/ReactPlayground/shared.ts'
 
 const OnlineEditor: React.FC = () => {
     const [files, setFiles] = useState<IFiles>({
-        abc: {
+        ['App.tsx']: {
             name: 'App.tsx',
             language: fileNameToLanguage('App.tsx'),
             value: 'const a = () => {}'
         },
+        ['App.css']: {
+            name: 'App.css',
+            language: fileNameToLanguage('App.css'),
+            value: '.title {}'
+        },
         cde: {
             name: 'App.css',
             language: fileNameToLanguage('App.css'),
             value: '.title {}'
+        },
+        def: {
+            name: 'App.css',
+            language: fileNameToLanguage('App.css'),
+            value: '.title {}'
+        },
+        efg: {
+            name: 'App.css',
+            language: fileNameToLanguage('App.css'),
+            value: '.title {}'
+        },
+        fgh: {
+            name: 'App.css',
+            language: fileNameToLanguage('App.css'),
+            value: '.title {}'
+        },
+        ghi: {
+            name: 'App.css',
+            language: fileNameToLanguage('App.css'),
+            value: '.title {}'
         }
     })
 
     return (
         <>
             <CodeEditor
-                theme={'light'}
+                theme={'vs-dark'}
                 files={files}
-                selectedFileName={'abc'}
+                selectedFileName={'App.css'}
+                notRemovable={['App.css']}
+                readonlyFiles={['App.tsx']}
                 onRemoveFile={(_, files) => setFiles(files)}
+                onRenameFile={(_, __, files) => setFiles(files)}
             />
         </>
     )