diff --git a/frontend/src/components/toolbar/index.vue b/frontend/src/components/toolbar/index.vue
index 1adc952..01dbbc7 100644
--- a/frontend/src/components/toolbar/index.vue
+++ b/frontend/src/components/toolbar/index.vue
@@ -26,7 +26,10 @@ const editorStore = useEditorStore();
           <input type="checkbox" :checked="editorStore.enableTabIndent" @change="editorStore.toggleTabIndent"/>
           <span>Tab</span>
         </label>
-        <span class="tab-size" title="Tab大小">
+        <span class="tab-type" title="Tab类型切换" @click="editorStore.toggleTabType">
+          {{ editorStore.tabType === 'spaces' ? '空格' : '制表符' }}
+        </span>
+        <span class="tab-size" title="Tab大小" v-if="editorStore.tabType === 'spaces'">
           <button class="tab-btn" @click="editorStore.decreaseTabSize" :disabled="editorStore.tabSize <= 2">-</button>
           <span>{{ editorStore.tabSize }}</span>
           <button class="tab-btn" @click="editorStore.increaseTabSize" :disabled="editorStore.tabSize >= 8">+</button>
@@ -98,6 +101,17 @@ const editorStore = useEditorStore();
           cursor: pointer;
         }
       }
+      
+      .tab-type {
+        cursor: pointer;
+        padding: 0 3px;
+        border-radius: 3px;
+        background-color: rgba(255, 255, 255, 0.05);
+        
+        &:hover {
+          background-color: rgba(255, 255, 255, 0.1);
+        }
+      }
 
       .tab-size {
         display: flex;
diff --git a/frontend/src/editor/extensions/tabExtension.ts b/frontend/src/editor/extensions/tabExtension.ts
index abccd63..8a01317 100644
--- a/frontend/src/editor/extensions/tabExtension.ts
+++ b/frontend/src/editor/extensions/tabExtension.ts
@@ -2,33 +2,35 @@ import {Compartment, Extension} from '@codemirror/state';
 import {EditorView, keymap} from '@codemirror/view';
 import {indentSelection} from '@codemirror/commands';
 import {indentUnit} from '@codemirror/language';
+import {TabType} from '@/stores/editor';
 
 // Tab设置相关的compartment
 export const tabSizeCompartment = new Compartment();
 export const tabKeyCompartment = new Compartment();
 
 // 自定义Tab键处理函数
-export const tabHandler = (view: EditorView, tabSize: number): boolean => {
+export const tabHandler = (view: EditorView, tabSize: number, tabType: TabType): boolean => {
   // 如果有选中文本，使用indentSelection
   if (!view.state.selection.main.empty) {
     return indentSelection(view);
   }
   
-  // 创建相应数量的空格
-  const spaces = ' '.repeat(tabSize);
+  // 根据tabType创建缩进字符
+  const indent = tabType === 'spaces' ? ' '.repeat(tabSize) : '\t';
   
-  // 在光标位置插入空格
+  // 在光标位置插入缩进字符
   const {state, dispatch} = view;
-  dispatch(state.update(state.replaceSelection(spaces), {scrollIntoView: true}));
+  dispatch(state.update(state.replaceSelection(indent), {scrollIntoView: true}));
   return true;
 };
 
 // 获取Tab相关的扩展
-export const getTabExtensions = (tabSize: number, enableTabIndent: boolean): Extension[] => {
+export const getTabExtensions = (tabSize: number, enableTabIndent: boolean, tabType: TabType): Extension[] => {
   const extensions: Extension[] = [];
   
-  // 设置缩进单位
-  extensions.push(tabSizeCompartment.of(indentUnit.of(' '.repeat(tabSize))));
+  // 根据tabType设置缩进单位
+  const indentStr = tabType === 'spaces' ? ' '.repeat(tabSize) : '\t';
+  extensions.push(tabSizeCompartment.of(indentUnit.of(indentStr)));
   
   // 如果启用了Tab缩进，添加自定义Tab键映射
   if (enableTabIndent) {
@@ -36,7 +38,7 @@ export const getTabExtensions = (tabSize: number, enableTabIndent: boolean): Ext
       tabKeyCompartment.of(
         keymap.of([{
           key: "Tab",
-          run: (view) => tabHandler(view, tabSize)
+          run: (view) => tabHandler(view, tabSize, tabType)
         }])
       )
     );
@@ -51,20 +53,22 @@ export const getTabExtensions = (tabSize: number, enableTabIndent: boolean): Ext
 export const updateTabConfig = (
   view: EditorView | null,
   tabSize: number, 
-  enableTabIndent: boolean
+  enableTabIndent: boolean,
+  tabType: TabType
 ) => {
   if (!view) return;
   
-  // 更新indentUnit配置
+  // 根据tabType更新indentUnit配置
+  const indentStr = tabType === 'spaces' ? ' '.repeat(tabSize) : '\t';
   view.dispatch({
-    effects: tabSizeCompartment.reconfigure(indentUnit.of(' '.repeat(tabSize)))
+    effects: tabSizeCompartment.reconfigure(indentUnit.of(indentStr))
   });
   
   // 更新Tab键映射
   const tabKeymap = enableTabIndent
     ? keymap.of([{
         key: "Tab", 
-        run: (view) => tabHandler(view, tabSize)
+        run: (view) => tabHandler(view, tabSize, tabType)
       }])
     : [];
   
diff --git a/frontend/src/editor/index.vue b/frontend/src/editor/index.vue
index 8e33632..2de1852 100644
--- a/frontend/src/editor/index.vue
+++ b/frontend/src/editor/index.vue
@@ -34,7 +34,8 @@ const createEditor = () => {
   // 获取Tab相关扩展
   const tabExtensions = getTabExtensions(
     editorStore.tabSize,
-    editorStore.enableTabIndent
+    editorStore.enableTabIndent,
+    editorStore.tabType
   );
   
   // 创建统计信息更新扩展
@@ -83,13 +84,15 @@ const reconfigureTabSettings = () => {
   updateTabConfig(
     editorStore.editorView as EditorView,
     editorStore.tabSize,
-    editorStore.enableTabIndent
+    editorStore.enableTabIndent,
+    editorStore.tabType
   );
 };
 
 // 监听Tab设置变化
 watch(() => editorStore.tabSize, reconfigureTabSettings);
 watch(() => editorStore.enableTabIndent, reconfigureTabSettings);
+watch(() => editorStore.tabType, reconfigureTabSettings);
 
 onMounted(() => {
   // 创建编辑器
diff --git a/frontend/src/editor/theme/base-dark.ts b/frontend/src/editor/theme/base-dark.ts
index e2c8f37..c211e0c 100644
--- a/frontend/src/editor/theme/base-dark.ts
+++ b/frontend/src/editor/theme/base-dark.ts
@@ -8,12 +8,12 @@ export const config = {
     dark: true,
     background: '#252B37',
     foreground: '#9BB586',
-    selection: '#1A5888',
-    selectionMatch: 'rgba(26, 88, 136, 0.5)',
+    selection: '#3381c1',
+    selectionMatch: '#1A58887F',
     cursor: '#F8F8F2',
     dropdownBackground: '#282A36',
     dropdownBorder: '#191A21',
-    activeLine: 'rgba(46, 51, 63, 0.6)',
+    activeLine: '#2E333F99',
     lineNumber: '#676d7c',
     lineNumberActive: '#F8F8F2',
     lineNumberBackground: '#212731',
diff --git a/frontend/src/stores/editor.ts b/frontend/src/stores/editor.ts
index 2fe0f0a..b6a1784 100644
--- a/frontend/src/stores/editor.ts
+++ b/frontend/src/stores/editor.ts
@@ -13,6 +13,9 @@ const DEFAULT_TAB_SIZE = 4;
 const MIN_TAB_SIZE = 2;
 const MAX_TAB_SIZE = 8;
 
+// Tab类型
+export type TabType = 'spaces' | 'tab';
+
 export const useEditorStore = defineStore('editor', () => {
     // 状态
     const documentStats = ref<DocumentStats>({
@@ -30,6 +33,8 @@ export const useEditorStore = defineStore('editor', () => {
     const enableTabIndent = ref(true);
     // Tab键大小
     const tabSize = ref(DEFAULT_TAB_SIZE);
+    // Tab类型：空格或制表符
+    const tabType = ref<TabType>('spaces');
 
     // 方法
     function setEditorView(view: EditorView | null) {
@@ -94,6 +99,11 @@ export const useEditorStore = defineStore('editor', () => {
             tabSize.value -= 1;
         }
     }
+    
+    // 切换Tab类型（空格或制表符）
+    function toggleTabType() {
+        tabType.value = tabType.value === 'spaces' ? 'tab' : 'spaces';
+    }
 
     // 设置按钮操作
     function openSettings() {
@@ -109,6 +119,7 @@ export const useEditorStore = defineStore('editor', () => {
         fontSize,
         enableTabIndent,
         tabSize,
+        tabType,
 
         // 方法
         setEditorView,
@@ -120,12 +131,13 @@ export const useEditorStore = defineStore('editor', () => {
         resetFontSize,
         toggleTabIndent,
         increaseTabSize,
-        decreaseTabSize
+        decreaseTabSize,
+        toggleTabType
     };
 }, {
     persist: {
         key: 'editor',
         storage: localStorage,
-        pick: ['fontSize', 'encoding', 'enableTabIndent', 'tabSize']
+        pick: ['fontSize', 'encoding', 'enableTabIndent', 'tabSize', 'tabType']
     }
 });
\ No newline at end of file