diff --git a/electron/main/ipc.ts b/electron/main/ipc.ts
index b72bcc7..654d0f1 100644
--- a/electron/main/ipc.ts
+++ b/electron/main/ipc.ts
@@ -283,6 +283,37 @@ export function setupIpc(win: BrowserWindow): void {
     return null
   })
 
+  ipcMain.handle('rubric:exportJson', async () => {
+    const d = getDb()
+    const rows: any[] = d.prepare('SELECT * FROM rubric ORDER BY sort_order').all()
+    if (!rows.length) throw new Error('暂无评分标准可导出')
+    const questions = rows.map(r => ({
+      questionTitle: r.question_title,
+      maxScore: r.max_score,
+      referenceAnswer: r.reference_answer,
+      rubric: r.rubric
+    }))
+    const result = await dialogBox.showSaveDialog({
+      defaultPath: '评分标准.json',
+      filters: [{ name: 'JSON', extensions: ['json'] }]
+    })
+    if (result.canceled || !result.filePath) return false
+    fs.writeFileSync(result.filePath, JSON.stringify(questions, null, 2), 'utf-8')
+    return true
+  })
+
+  ipcMain.handle('rubric:importJson', async () => {
+    const result = await dialogBox.showOpenDialog({
+      properties: ['openFile'],
+      filters: [{ name: 'JSON', extensions: ['json'] }]
+    })
+    if (result.canceled || result.filePaths.length === 0) return null
+    const content = fs.readFileSync(result.filePaths[0], 'utf-8')
+    const questions = JSON.parse(content)
+    if (!Array.isArray(questions)) throw new Error('JSON 格式错误：应为数组')
+    return { questions, currentIndex: 0 }
+  })
+
   // --- Grading data bridge (toolbar → result window) ---
   ipcMain.handle('grading:storeData', (_event, data: any) => {
     gradingPayload = data
diff --git a/electron/preload/preload.ts b/electron/preload/preload.ts
index 68a0db5..cb1e781 100644
--- a/electron/preload/preload.ts
+++ b/electron/preload/preload.ts
@@ -50,7 +50,9 @@ contextBridge.exposeInMainWorld('electronAPI', {
 
   rubric: {
     storeData: (data: any) => ipcRenderer.invoke('rubric:storeData', data),
-    getData: () => ipcRenderer.invoke('rubric:getData')
+    getData: () => ipcRenderer.invoke('rubric:getData'),
+    exportJson: () => ipcRenderer.invoke('rubric:exportJson'),
+    importJson: () => ipcRenderer.invoke('rubric:importJson')
   },
 
   template: {
diff --git a/src/components/RubricEditor.vue b/src/components/RubricEditor.vue
index c44431a..004d494 100644
--- a/src/components/RubricEditor.vue
+++ b/src/components/RubricEditor.vue
@@ -34,8 +34,14 @@
     </div>
 
     <template #footer>
-      <el-button size="small" @click="handleClose">取消</el-button>
-      <el-button type="primary" size="small" @click="handleSave">应用</el-button>
+      <div class="footer-left">
+        <el-button size="small" @click="handleImport">导入</el-button>
+        <el-button size="small" @click="handleExport">导出</el-button>
+      </div>
+      <div class="footer-right">
+        <el-button size="small" @click="handleClose">取消</el-button>
+        <el-button type="primary" size="small" @click="handleSave">应用</el-button>
+      </div>
     </template>
   </el-dialog>
 </template>
@@ -96,12 +102,39 @@ async function handleSave() {
   }
 }
 
+async function handleExport() {
+  try {
+    await window.electronAPI?.rubric.exportJson()
+    ElMessage.success('导出成功')
+  } catch (err) {
+    ElMessage.error('导出失败：' + (err as Error).message)
+  }
+}
+
+async function handleImport() {
+  try {
+    const data = await window.electronAPI?.rubric.importJson()
+    if (data?.questions?.length) {
+      questions.value = JSON.parse(JSON.stringify(data.questions))
+      activeIndex.value = 0
+      ElMessage.success(`已导入 ${data.questions.length} 题`)
+    }
+  } catch (err) {
+    ElMessage.error('导入失败：' + (err as Error).message)
+  }
+}
+
 function handleClose() {
   window.electronAPI?.dialog.close()
 }
 </script>
 
 <style scoped>
+:deep(.el-dialog__footer) {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
 .question-tabs {
   display: flex;
   flex-direction: column;
@@ -136,4 +169,12 @@ function handleClose() {
   max-height: 480px;
   overflow-y: auto;
 }
+.footer-left {
+  display: flex;
+  gap: 8px;
+}
+.footer-right {
+  display: flex;
+  gap: 8px;
+}
 </style>
\ No newline at end of file
diff --git a/src/types/index.ts b/src/types/index.ts
index 93ad479..8aa3019 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -81,6 +81,8 @@ export interface ElectronAPI {
   rubric: {
     storeData: (data: any) => Promise<void>
     getData: () => Promise<any>
+    exportJson: () => Promise<boolean>
+    importJson: () => Promise<{ questions: QuestionItem[]; currentIndex: number } | null>
   }
   template: {
     list: () => Promise<unknown[]>