二级表头下载，反射获取值调整：添加map类型对象的处理

gic-enterprise-download/src/main/java/com/gic/download/utils/DownloadUtils.java

@@ -107,6 +107,13 @@ public class DownloadUtils {
          */
         protected Object getPropertyOfDouble(Object bean, String propertyName) {
             try {
+                if (bean == null) {
+                    return null;
+                }
+                if (bean instanceof Map) {
+                    //如果是map
+                    return ((Map) bean).get(propertyName);
+                }
                 return BeanUtils.getProperty(bean, propertyName);
             } catch (Throwable e) {
                 LOGGER.info("bean:" + bean + ",Property:" + propertyName + e.getMessage(), e);