diff --git a/frontend/src/views/exam/practice.vue b/frontend/src/views/exam/practice.vue
index c984ae5..cb39519 100644
--- a/frontend/src/views/exam/practice.vue
+++ b/frontend/src/views/exam/practice.vue
@@ -1182,9 +1182,12 @@ const renderMarkdown = (content: string): string => {
  */
 const formatCorrectAnswer = (question: any) => {
   if (question.type === 'single' || question.type === 'multiple') {
-    // 如果有correctAnswer字段（来自Dify的原始correct），直接使用
+    // 如果有correctAnswer字段（来自Dify的原始correct）
     if (question.correctAnswer) {
-      return question.correctAnswer
+      // 多选题格式优化：将 "A：xxx,B：xxx" 改为换行显示
+      // 匹配 ",A：" 或 ",B：" 等格式，在逗号后的选项字母前换行
+      const formatted = question.correctAnswer.replace(/,([A-Za-z][：:])/g, '\n$1')
+      return formatted
     }
     // 否则从options中提取
     return question.options