fix: 普通纪念币，bug修复，分页问题。

intc-modules/intc-collect/src/main/java/com/intc/collect/mapper/CommemorativeCoinMapper.java

@@ -29,6 +29,14 @@ public interface CommemorativeCoinMapper
      */
     public List<CommemorativeCoinVo> selectCommemorativeCoinList(CommemorativeCoinDto commemorativeCoinDto);
 
+    /**
+     * 根据ID列表查询流通纪念币及其关联文件
+     *
+     * @param ids 流通纪念币ID列表
+     * @return 流通纪念币集合（包含关联文件）
+     */
+    public List<CommemorativeCoinVo> selectCommemorativeCoinListWithFiles(List<Long> ids);
+
     /**
      * 新增流通纪念币
      *

intc-modules/intc-collect/src/main/java/com/intc/collect/service/impl/CommemorativeCoinServiceImpl.java

@@ -2,6 +2,8 @@ package com.intc.collect.service.impl;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
 
 import com.intc.collect.domain.CollectFile;
 import com.intc.collect.mapper.CollectFileMapper;
@@ -53,7 +55,35 @@ public class CommemorativeCoinServiceImpl implements ICommemorativeCoinService
     @Override
     public List<CommemorativeCoinVo> selectCommemorativeCoinList(CommemorativeCoinDto commemorativeCoinDto)
     {
-        return commemorativeCoinMapper.selectCommemorativeCoinList(commemorativeCoinDto);
+        // 第一步：先分页查询主表数据
+        List<CommemorativeCoinVo> list = commemorativeCoinMapper.selectCommemorativeCoinList(commemorativeCoinDto);
+        
+        // 如果查询结果为空，直接返回
+        if (list == null || list.isEmpty())
+        {
+            return list;
+        }
+        
+        // 第二步：提取主表ID列表
+        List<Long> ids = list.stream().map(CommemorativeCoinVo::getId).collect(Collectors.toList());
+        
+        // 第三步：批量查询关联的文件信息
+        List<CommemorativeCoinVo> listWithFiles = commemorativeCoinMapper.selectCommemorativeCoinListWithFiles(ids);
+        
+        // 第四步：将关联文件数据填充回主表对象
+        Map<Long, CommemorativeCoinVo> fileMap = listWithFiles.stream()
+                .collect(Collectors.toMap(CommemorativeCoinVo::getId, vo -> vo));
+        
+        for (CommemorativeCoinVo vo : list)
+        {
+            CommemorativeCoinVo voWithFiles = fileMap.get(vo.getId());
+            if (voWithFiles != null && voWithFiles.getCollectFileList() != null)
+            {
+                vo.setCollectFileList(voWithFiles.getCollectFileList());
+            }
+        }
+        
+        return list;
     }
 
     /**