From 653e7f4454af5e96b736a0c04ac48b45c5adc494 Mon Sep 17 00:00:00 2001
From: luoweijian <1329394916@qq.com>
Date: Thu, 5 Feb 2026 14:21:29 +0800
Subject: [PATCH] =?UTF-8?q?sql=E4=BF=AE=E6=94=B9?=
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---
 src/main/java/com/project/exam/mapper/ExamRecordMapper.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/com/project/exam/mapper/ExamRecordMapper.java b/src/main/java/com/project/exam/mapper/ExamRecordMapper.java
index ff1da9b..e260551 100644
--- a/src/main/java/com/project/exam/mapper/ExamRecordMapper.java
+++ b/src/main/java/com/project/exam/mapper/ExamRecordMapper.java
@@ -13,7 +13,7 @@ public interface ExamRecordMapper extends BaseMapper<ExamRecordEntity> {
      * SQL 解释：$[index].userAnswer 对应 JSON 数组中第 index 个对象的字段
      */
     @Update("UPDATE evaluator_exam_record SET " +
-            "answer_snapshot = JSON_SET(paper_snapshot, '$[${idx}].userAnswer', #{answer}), " +
+            "answer_snapshot = JSON_SET(answer_snapshot, '$[${idx}].userAnswer', #{answer}), " +
             "update_time = NOW() " +
             "WHERE id = #{recordId}")
     int updateAnswerIncremental(@Param("recordId") Long recordId,