diff --git a/.eslintrc.js b/.eslintrc.js
new file mode 100644
index 0000000..1caa99b
--- /dev/null
+++ b/.eslintrc.js
@@ -0,0 +1,31 @@
+const typeScriptExtensions = ['.ts'];
+module.exports = {
+    parser: '@typescript-eslint/parser',
+    extends: ['plugin:@typescript-eslint/recommended'],
+    plugins: ['unused-imports','eslint-plugin-import'],
+    parserOptions: {
+      ecmaVersion: 2018, // Allows for the parsing of modern ECMAScript features
+      sourceType: 'module', // Allows for the use of imports
+    },
+    settings: {
+      'import/extensions': typeScriptExtensions,
+      'import/external-module-folders': ['node_modules', 'node_modules/@types'],
+      'import/parsers': {
+        '@typescript-eslint/parser': typeScriptExtensions,
+      },
+      'import/resolver': {
+        node: {
+          extensions: typeScriptExtensions,
+        },
+      },
+    },
+    rules: {
+      "unused-imports/no-unused-imports": "error",
+      "@typescript-eslint/no-var-requires": "off",
+      '@typescript-eslint/no-unused-vars': 'off',
+      '@typescript-eslint/no-empty-function': 'off',
+      '@typescript-eslint/no-explicit-any': 'off',
+      '@typescript-eslint/no-this-alias': 'off',
+      "@typescript-eslint/quotes": 'off'
+    },
+  };
diff --git a/package.json b/package.json
index fe39f2f..4428d21 100755
--- a/package.json
+++ b/package.json
@@ -506,6 +506,7 @@
 	},
 	"scripts": {
 		"dev": "rimraf out && node build.js",
+		"lint:fix": "eslint src/**/*.ts --fix",
 		"build": "rimraf out && cd packages/zip-viewer && npm run build && cd ../.. && node build.js --mode=production",
 		"package": "vsce package --no-dependencies",
 		"publish": "vsce publish --no-dependencies",
@@ -515,8 +516,13 @@
 		"@types/node": "^17.0.23",
 		"@types/node-fetch": "^2.5.7",
 		"@types/vscode": "^1.64.0",
+		"@typescript-eslint/eslint-plugin": "^7.1.1",
+		"@typescript-eslint/parser": "^7.1.1",
 		"esbuild": "^0.14.54",
 		"esbuild-plugin-copy": "^1.3.0",
+		"eslint": "^8.57.0",
+		"eslint-plugin-import": "^2.29.1",
+		"eslint-plugin-unused-imports": "^3.1.0",
 		"rimraf": "^3.0.2"
 	},
 	"dependencies": {
@@ -539,4 +545,4 @@
 		"puppeteer-core": "^1.20.0",
 		"vscode-html-to-docx": "^1.1.2"
 	}
-}
\ No newline at end of file
+}
diff --git a/src/common/fileUtil.ts b/src/common/fileUtil.ts
index 8dd5cb4..3b0ad8f 100644
--- a/src/common/fileUtil.ts
+++ b/src/common/fileUtil.ts
@@ -12,7 +12,7 @@ export function writeFile(path: string, buffer: Buffer) {
 }
 
 export function adjustImgPath(uri: vscode.Uri, withworkspace: boolean = false) {
-    let imgPath = Global.getConfig<string>("pasterImgPath")
+    const imgPath = Global.getConfig<string>("pasterImgPath")
         .replace("${fileName}", parse(uri.fsPath).name.replace(/\s/g, ''))
         .replace("${now}", new Date().getTime() + "")
     return {
@@ -30,7 +30,7 @@ export function adjustImgPath(uri: vscode.Uri, withworkspace: boolean = false) {
 export function getWorkspacePath(uri: vscode.Uri): string {
     const folders = vscode.workspace.workspaceFolders;
     if (!folders || folders.length == 0) return '';
-    let workspacePath = folders[0]?.uri?.fsPath;
+    const workspacePath = folders[0]?.uri?.fsPath;
     if (folders.length > 1) {
         for (const folder of folders) {
             if (uri.fsPath.includes(folder.uri.fsPath)) {
diff --git a/src/provider/markdownEditorProvider.ts b/src/provider/markdownEditorProvider.ts
index 1a88c6a..0af9c38 100644
--- a/src/provider/markdownEditorProvider.ts
+++ b/src/provider/markdownEditorProvider.ts
@@ -26,7 +26,7 @@ export class MarkdownEditorProvider implements vscode.CustomTextEditorProvider {
 
     private getFolders(): vscode.Uri[] {
         const data = [];
-        for (var i = 65; i <= 90; i++) {
+        for (let i = 65; i <= 90; i++) {
             data.push(vscode.Uri.file(`${String.fromCharCode(i)}:/`))
         }
         return data;
diff --git a/src/provider/officeViewerProvider.ts b/src/provider/officeViewerProvider.ts
index 5433b35..634d4e5 100644
--- a/src/provider/officeViewerProvider.ts
+++ b/src/provider/officeViewerProvider.ts
@@ -1,17 +1,14 @@
 import { ZipService } from '@/service/zip/zipService';
-import axios from 'axios';
 import { spawn } from 'child_process';
 import { existsSync, mkdirSync, readdirSync, readFileSync } from 'fs';
 import { tmpdir } from 'os';
 import { basename, extname, parse, resolve } from 'path';
 import { TextEncoder } from 'util';
 import * as vscode from 'vscode';
-import { workspace } from 'vscode';
 import { Handler } from '../common/handler';
 import { Output } from '../common/Output';
 import { Util } from '../common/util';
 import { ViewManager } from '@/common/viewManager';
-import { Global } from '@/common/global';
 
 /**
  * support view office files
diff --git a/src/service/markdownService.ts b/src/service/markdownService.ts
index c94be8b..94f6be7 100644
--- a/src/service/markdownService.ts
+++ b/src/service/markdownService.ts
@@ -101,7 +101,8 @@ export class MarkdownService {
         }
 
         const uri = document.uri;
-        let { relPath, fullPath } = adjustImgPath(uri)
+        const info = adjustImgPath(uri), { fullPath } = info;
+        let { relPath } = info;
         const imagePath = isAbsolute(fullPath) ? fullPath : `${dirname(uri.fsPath)}/${relPath}`.replace(/\\/g, "/");
         this.createImgDir(imagePath);
         this.saveClipboardImageToFileAndGetPath(imagePath, async (savedImagePath) => {
@@ -121,7 +122,7 @@ export class MarkdownService {
             }
             if (editor) {
                 editor?.edit(edit => {
-                    let current = editor.selection;
+                    const current = editor.selection;
                     if (current.isEmpty) {
                         edit.insert(current.start, `![${imgName}](${relPath})`);
                     } else {
@@ -158,7 +159,7 @@ export class MarkdownService {
 
     private saveClipboardImageToFileAndGetPath(imagePath: string, cb: (value: string) => void) {
         if (!imagePath) return;
-        let platform = process.platform;
+        const platform = process.platform;
         if (platform === 'win32') {
             // Windows
             const scriptPath = path.join(this.context.extensionPath, '/lib/pc.ps1');
@@ -179,8 +180,8 @@ export class MarkdownService {
             });
         } else if (platform === 'darwin') {
             // Mac
-            let scriptPath = path.join(this.context.extensionPath, './lib/mac.applescript');
-            let ascript = spawn('osascript', [scriptPath, imagePath]);
+            const scriptPath = path.join(this.context.extensionPath, './lib/mac.applescript');
+            const ascript = spawn('osascript', [scriptPath, imagePath]);
             ascript.on('exit', function (code, signal) {
             });
             ascript.stdout.on('data', function (data) {
@@ -188,13 +189,13 @@ export class MarkdownService {
             });
         } else {
             // Linux 
-            let scriptPath = path.join(this.context.extensionPath, './lib/linux.sh');
+            const scriptPath = path.join(this.context.extensionPath, './lib/linux.sh');
 
-            let ascript = spawn('sh', [scriptPath, imagePath]);
+            const ascript = spawn('sh', [scriptPath, imagePath]);
             ascript.on('exit', function (code, signal) {
             });
             ascript.stdout.on('data', function (data) {
-                let result = data.toString().trim();
+                const result = data.toString().trim();
                 if (result == "no xclip") {
                     vscode.window.showInformationMessage('You need to install xclip command first.');
                     return;