fix(data): 修复数据清理参数系统类型为空时的查询异常

- 添加系统类型参数非空校验
- 避免空值导致数据库查询错误
- 保持原有数据源条件判断逻辑

algorithm/algorithm-boot/src/main/java/com/njcn/algorithm/serviceimpl/line/PqReasonableRangeServiceImpl.java

@@ -34,7 +34,9 @@ public class PqReasonableRangeServiceImpl extends ServiceImpl<PqReasonableRangeM
     public List<PqReasonableRangeDto> getReasonableRangeList(DataCleanParam param) {
         List<PqReasonableRangeDto> result = new ArrayList<>();
         LambdaQueryWrapper<PqReasonableRange> queryWrapper = new LambdaQueryWrapper<>();
-        queryWrapper.eq(PqReasonableRange::getBelongingSystem,param.getSystemType());
+        if (StrUtil.isNotBlank(param.getSystemType())) {
+            queryWrapper.eq(PqReasonableRange::getBelongingSystem,param.getSystemType());
+        }
         if(StrUtil.isNotBlank(param.getDataSource())){
             queryWrapper.eq(PqReasonableRange::getDataSource,param.getDataSource());
         }