diff --git a/manager/src/main/java/org/jiayunet/service/JobCleanService.java b/manager/src/main/java/org/jiayunet/service/JobCleanService.java
index 17a6526..6e099ec 100644
--- a/manager/src/main/java/org/jiayunet/service/JobCleanService.java
+++ b/manager/src/main/java/org/jiayunet/service/JobCleanService.java
@@ -69,12 +69,7 @@ public class JobCleanService {
     @Scheduled(cron = "0 */1 * * * ?")
     public void cleanJob() {
         // 批量锁定：原子操作，clean_status 0→1
-        int locked = appJobDataMapper.update(null,
-                new LambdaUpdateWrapper<AppJobData>()
-                        .set(AppJobData::getCleanStatus, 1)
-                        .eq(AppJobData::getCleanStatus, 0)
-                        .eq(AppJobData::getIsValid, 1)
-                        .last("LIMIT " + batchSize));
+        int locked = appJobDataMapper.update(null, new LambdaUpdateWrapper<AppJobData>().set(AppJobData::getCleanStatus, 1).eq(AppJobData::getCleanStatus, 0).eq(AppJobData::getIsValid, 1).last("LIMIT " + batchSize));
 
         if (locked == 0) {
             return;
@@ -82,11 +77,7 @@ public class JobCleanService {
         log.info("岗位清洗：锁定{}条数据", locked);
 
         // 查出刚锁定的数据
-        List<AppJobData> dataList = appJobDataMapper.selectList(
-                new LambdaQueryWrapper<AppJobData>()
-                        .eq(AppJobData::getCleanStatus, 1)
-                        .eq(AppJobData::getIsValid, 1)
-                        .last("LIMIT " + batchSize));
+        List<AppJobData> dataList = appJobDataMapper.selectList(new LambdaQueryWrapper<AppJobData>().eq(AppJobData::getCleanStatus, 1).eq(AppJobData::getIsValid, 1).last("LIMIT " + batchSize));
 
         // 多线程并发处理
         for (AppJobData data : dataList) {
@@ -143,6 +134,8 @@ public class JobCleanService {
             if (json.startsWith("```")) {
                 json = json.replaceAll("^```\\w*\\n?", "").replaceAll("\\n?```$", "").trim();
             }
+            // 清除控制字符（Tab等），保留换行符，防止 Jackson 解析失败
+            json = json.replaceAll("[\\x00-\\x08\\x0B\\x0C\\x0E-\\x1F]", "");
 
             JsonNode root = HttpTool.objectMapper.readTree(json);
 
@@ -222,7 +215,8 @@ public class JobCleanService {
                 6. tags 是核心职能标签（如数据分析、团队协作），最多5个
                 7. skillTags 是技能关键词（如Java、MySQL），最多8个
                 8. companyShortName 去掉地区后缀、招聘后缀、括号内容，保持简洁
-                9. 只返回JSON，不要其他内容
+                9. 字符串值中不允许出现Tab、换行等控制字符，用空格或中文标点替代
+                10. 只返回JSON，不要其他内容
                 """;
     }