diff --git a/media/webview/script.js b/media/webview/script.js
index a16e26d..82c929a 100644
--- a/media/webview/script.js
+++ b/media/webview/script.js
@@ -86,6 +86,41 @@ document.addEventListener('DOMContentLoaded', () => {
             userInput.value = message.content; // 插入选中内容到输入框
             selectedCodeForContext = message.content;
             userInput.focus(); // 自动聚焦输入框
+        } else if (message.command === 'fileList') {
+            const fileListContainer = document.getElementById('file-list');
+
+            if (message.error) {
+                fileListContainer.innerHTML = `<div class="loading">错误: ${message.error}</div>`;
+                return;
+            }
+
+            if (!message.files || message.files.length === 0) {
+                fileListContainer.innerHTML = '<div class="loading">未找到文件</div>';
+                return;
+            }
+
+            // 渲染文件列表
+            fileListContainer.innerHTML = '';
+            message.files.forEach(file => {
+                const fileItem = document.createElement('div');
+                fileItem.className = 'file-item';
+                fileItem.innerHTML = `                <span class="file-icon">${file.isDirectory ? '📁' : '📄'}</span>
+                <span class="file-name" title="${file.relativePath}">${file.relativePath}</span>
+            `;
+
+                fileItem.addEventListener('click', () => {
+                    // 选择文件
+                    vscode.postMessage({
+                        command: 'selectFileByPath',
+                        filePath: file.path
+                    });
+
+                    // 关闭模态框
+                    document.getElementById('file-browser-modal').classList.add('hidden');
+                });
+
+                fileListContainer.appendChild(fileItem);
+            });
         } else if (message.command === 'setContextFile') {
             const contextPlaceholder = document.getElementById('context-placeholder');
             const contextTab = document.getElementById('context-tab');
@@ -104,9 +139,38 @@ document.addEventListener('DOMContentLoaded', () => {
 
     });
 
+    // 打开文件浏览器
     document.getElementById('select-context-btn').addEventListener('click', () => {
+        // 显示模态框
+        document.getElementById('file-browser-modal').classList.remove('hidden');
+
+        // 请求文件列表
         vscode.postMessage({
-            command: 'selectContextFile'
+            command: 'getFileList'
+        });
+    });
+    // 关闭模态框
+    document.getElementById('close-modal').addEventListener('click', () => {
+        document.getElementById('file-browser-modal').classList.add('hidden');
+    });
+    // 点击模态框外部关闭
+    document.getElementById('file-browser-modal').addEventListener('click', (e) => {
+        if (e.target.id === 'file-browser-modal') {
+            document.getElementById('file-browser-modal').classList.add('hidden');
+        }
+    });
+    // 文件搜索功能
+    document.getElementById('file-search-input').addEventListener('input', (e) => {
+        const searchTerm = e.target.value.toLowerCase();
+        const fileItems = document.querySelectorAll('.file-item');
+
+        fileItems.forEach(item => {
+            const fileName = item.querySelector('.file-name').textContent.toLowerCase();
+            if (fileName.includes(searchTerm)) {
+                item.style.display = '';
+            } else {
+                item.style.display = 'none';
+            }
         });
     });
     // 添加关闭按钮事件监听
diff --git a/media/webview/style.css b/media/webview/style.css
index def79d0..9f370cb 100644
--- a/media/webview/style.css
+++ b/media/webview/style.css
@@ -207,3 +207,118 @@ body {
 .select-context-btn:hover {
     background-color: #005a9e;
 }
+
+/* 模态框样式 */
+.modal {
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background-color: rgba(0, 0, 0, 0.5);
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    z-index: 1000;
+}
+
+.modal.hidden {
+    display: none;
+}
+
+.modal-content {
+    background-color: #282c34;
+    border-radius: 8px;
+    width: 80%;
+    max-width: 600px;
+    max-height: 80vh;
+    display: flex;
+    flex-direction: column;
+}
+
+.modal-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: 15px 20px;
+    border-bottom: 1px solid #444;
+}
+
+.modal-header h3 {
+    margin: 0;
+    color: white;
+}
+
+.close-modal {
+    font-size: 24px;
+    cursor: pointer;
+    color: #aaa;
+}
+
+.close-modal:hover {
+    color: white;
+}
+
+.modal-body {
+    flex: 1;
+    padding: 15px;
+    overflow: hidden;
+    display: flex;
+    flex-direction: column;
+}
+
+.file-search {
+    flex: 1;
+    margin-bottom: 15px;
+}
+
+.file-search input {
+    padding: 8px;
+    background-color: #3e4451;
+    border: 1px solid #444;
+    border-radius: 4px;
+    color: white;
+}
+
+.file-list {
+    flex: 1;
+    overflow-y: auto;
+    border: 1px solid #444;
+    border-radius: 4px;
+    background-color: #3e4451;
+}
+
+.file-item {
+    padding: 10px;
+    border-bottom: 1px solid #444;
+    cursor: pointer;
+    display: flex;
+    align-items: center;
+}
+
+.file-item:hover {
+    background-color: #4e5461;
+}
+
+.file-item:last-child {
+    border-bottom: none;
+}
+
+.file-icon {
+    margin-right: 10px;
+    width: 16px;
+    text-align: center;
+}
+
+.file-name {
+    flex: 1;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+}
+
+.loading {
+    text-align: center;
+    padding: 20px;
+    color: #abb2bf;
+}
diff --git a/src/extension.ts b/src/extension.ts
index 770ab1b..6e719b9 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -72,8 +72,54 @@ export function activate(context: vscode.ExtensionContext) {
         }
     });
 
+    // 注册获取工作区文件列表的命令
+    const getFileListCommand = vscode.commands.registerCommand('ai-chat.getFileList', async () => {
+        if (panel && panel.webview) {
+            try {
+                // 获取工作区根路径
+                const workspaceFolders = vscode.workspace.workspaceFolders;
+                if (!workspaceFolders || workspaceFolders.length === 0) {
+                    panel.webview.postMessage({
+                        command: 'fileList',
+                        files: [],
+                        error: '未找到工作区'
+                    });
+                    return;
+                }
+
+                const rootPath = workspaceFolders[0].uri;
+
+                // 查找所有文件
+                const fileUris = await vscode.workspace.findFiles('**/*', '**/node_modules/**');
+
+                // 转换为相对路径和基本信息
+                const files = fileUris.map(uri => {
+                    const relativePath = vscode.workspace.asRelativePath(uri);
+                    const isDirectory = uri.path.endsWith('/');
+                    return {
+                        path: uri.fsPath,
+                        relativePath: relativePath,
+                        name: path.basename(uri.fsPath),
+                        isDirectory: isDirectory
+                    };
+                });
+
+                panel.webview.postMessage({
+                    command: 'fileList',
+                    files: files
+                });
+            } catch (error) {
+                panel.webview.postMessage({
+                    command: 'fileList',
+                    files: [],
+                    error: error.message
+                });
+            }
+        }
+    });
+
     // 添加到 subscriptions
-    context.subscriptions.push(statusBarItem, openWebviewCommand, addToChatCommand,selectFileCommand);
+    context.subscriptions.push(statusBarItem, openWebviewCommand, addToChatCommand,selectFileCommand,getFileListCommand);
 }
 
 function openWebview(
@@ -163,6 +209,45 @@ function openWebview(
                         });
                     }
                     break;
+                case 'getFileList':
+                    // 执行获取文件列表逻辑
+                    const workspaceFolders = vscode.workspace.workspaceFolders;
+                    if (workspaceFolders && workspaceFolders.length > 0) {
+                        const fileUris = await vscode.workspace.findFiles('**/*', '**/node_modules/**');
+
+                        const files = fileUris.map(uri => {
+                            const relativePath = vscode.workspace.asRelativePath(uri);
+                            return {
+                                path: uri.fsPath,
+                                relativePath: relativePath,
+                                name: path.basename(uri.fsPath),
+                                isDirectory: false // 简化处理，实际可以根据扩展名判断
+                            };
+                        });
+
+                        panel.webview.postMessage({
+                            command: 'fileList',
+                            files: files
+                        });
+                    }
+                    break;
+
+                case 'selectFileByPath':
+                    // 根据路径选择文件
+                    try {
+                        const fileUri = vscode.Uri.file(message.filePath);
+                        const fileContent = await vscode.workspace.fs.readFile(fileUri);
+                        const decodedContent = new TextDecoder("utf-8").decode(fileContent);
+
+                        panel.webview.postMessage({
+                            command: 'setContextFile',
+                            fileName: fileUri.fsPath,
+                            fileContent: decodedContent
+                        });
+                    } catch (error) {
+                        vscode.window.showErrorMessage(`无法读取文件: ${error.message}`);
+                    }
+                    break;
             }
         },
         undefined,
@@ -249,6 +334,25 @@ function getWebviewContent(styleUri: vscode.Uri, scriptUri: vscode.Uri,highlight
                         <button id="close-context-btn" class="close-btn" title="清除上下文">×</button>
                     </div>
                 </div>
+                
+                <!-- 文件浏览器模态框 -->
+                <div id="file-browser-modal" class="modal hidden">
+                    <div class="modal-content">
+                        <div class="modal-header">
+                            <h3>选择上下文文件</h3>
+                            <span id="close-modal" class="close-modal">&times;</span>
+                        </div>
+                        <div class="modal-body">
+                            <div class="file-search">
+                                <input type="text" id="file-search-input" placeholder="搜索文件..." />
+                            </div>
+                            <div id="file-list" class="file-list">
+                                <div class="loading">加载中...</div>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+                
                 <!-- 聊天输入表单 -->
                 <form id="chat-form">
                     <input type="text" id="user-input" placeholder="输入你的问题..." required />