组织架构图，根结点为部门时，层级问题处理

src/com/engine/organization/service/impl/ChartServiceImpl.java

@@ -141,6 +141,10 @@ public class ChartServiceImpl extends Service implements ChartService {
 
         // 向下查询数据
         if (null != topChartPO) {
+            // 如果根结点是部门，顶层层级设置为1
+            if(topChartPO.getFtype().equals("2")){
+                topChartPO.setDepartmentDepth(1);
+            }
             findChildData(topChartPO, dataList, Integer.parseInt(depth), id, hideDepartment);
         }