diff --git a/frontend/app/learn/page.tsx b/frontend/app/learn/page.tsx
index f205241..e2c9187 100644
--- a/frontend/app/learn/page.tsx
+++ b/frontend/app/learn/page.tsx
@@ -13,8 +13,6 @@ import { calculateCurrentMastery, getReviewTypesByDifficulty } from '@/lib/utils
 
 // 擴展的Flashcard接口，包含智能複習需要的欄位
 interface ExtendedFlashcard extends Omit<Flashcard, 'nextReviewDate'> {
-  userLevel?: number;        // 學習者程度數值 (從CEFR轉換)
-  wordLevel?: number;        // 詞彙難度數值 (從CEFR轉換)
   nextReviewDate?: string;   // 下次復習日期 (可選)
   currentInterval?: number;  // 當前間隔天數
   isOverdue?: boolean;       // 是否逾期
@@ -23,6 +21,7 @@ interface ExtendedFlashcard extends Omit<Flashcard, 'nextReviewDate'> {
   lastReviewDate?: string;   // 最後復習日期
   synonyms?: string[];       // 同義詞
   exampleImage?: string;     // 例句圖片
+  // 注意：userLevel和wordLevel已移除，改用即時CEFR轉換
 }
 
 export default function LearnPage() {
diff --git a/frontend/lib/services/flashcards.ts b/frontend/lib/services/flashcards.ts
index 8faf3cf..0acc500 100644
--- a/frontend/lib/services/flashcards.ts
+++ b/frontend/lib/services/flashcards.ts
@@ -210,9 +210,7 @@ class FlashcardsService {
         difficultyLevel: card.difficultyLevel || 'A2',
         createdAt: card.createdAt,
         updatedAt: card.updatedAt,
-        // 智能複習擴展欄位
-        userLevel: card.userLevel || 50,
-        wordLevel: card.wordLevel || 50,
+        // 智能複習擴展欄位 (數值欄位已移除，改用即時CEFR轉換)
         baseMasteryLevel: card.baseMasteryLevel || card.masteryLevel || 0,
         lastReviewDate: card.lastReviewDate || card.lastReviewedAt,
         currentInterval: card.currentInterval || card.intervalDays || 1,