diff --git a/src/main/java/com/project/exam/domain/service/impl/AssemblePaperDomainServiceImpl.java b/src/main/java/com/project/exam/domain/service/impl/AssemblePaperDomainServiceImpl.java
index e8c1f23..46057c3 100644
--- a/src/main/java/com/project/exam/domain/service/impl/AssemblePaperDomainServiceImpl.java
+++ b/src/main/java/com/project/exam/domain/service/impl/AssemblePaperDomainServiceImpl.java
@@ -259,7 +259,7 @@ public class AssemblePaperDomainServiceImpl implements AssemblePaperDomainServic
     }
 
 
-    /**
+    /**selectedQuestionIds
      * 通用的普通题抽取逻辑（锁 KP 级别）
      */
     private void pickWithLock(List<TaskKnowledgePointDTO> seeds, QuestionTypeEnum type,
@@ -301,6 +301,9 @@ public class AssemblePaperDomainServiceImpl implements AssemblePaperDomainServic
                 if (CollUtil.isEmpty(candidateIds)){
                     continue;
                 }
+                // todo
+                candidateIds.removeIf(id -> result.stream().anyMatch(r -> r.getId().equals(id)));
+
 
                 QuestionDTO bestQuestionDTO = questionMapper.selectBatchIds(candidateIds).stream()
                         .max(Comparator.comparingInt(q -> {
diff --git a/src/main/java/com/project/question/mapper/QuestionKpRelMapper.java b/src/main/java/com/project/question/mapper/QuestionKpRelMapper.java
index f5f279e..7bfdf22 100644
--- a/src/main/java/com/project/question/mapper/QuestionKpRelMapper.java
+++ b/src/main/java/com/project/question/mapper/QuestionKpRelMapper.java
@@ -3,6 +3,7 @@ package com.project.question.mapper;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.project.question.domain.entity.QuestionKpRelEntity;
 import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Options;
 import org.apache.ibatis.annotations.Select;
 import org.springframework.data.repository.query.Param;
 
@@ -21,6 +22,7 @@ public interface QuestionKpRelMapper extends BaseMapper<QuestionKpRelEntity> {
             "  AND q.question_type = #{type} " +
             "  AND q.use_status = 0 " +
             "  AND q.deleted = 0")
+    @Options(flushCache = Options.FlushCachePolicy.TRUE)
     List<Long> findAvailableIdsByKpAndType(@Param("kpId") Long kpId, @Param("type") Integer type);
 
     /**