修改bug

amos-boot-module/amos-boot-module-biz/amos-boot-module-equip-biz/src/main/java/com/yeejoin/equipmanage/service/impl/FormInstanceServiceImpl.java

@@ -157,7 +157,7 @@ public class FormInstanceServiceImpl extends ServiceImpl<FormInstanceMapper, For
         //字节点单位修改
 
         Map<String, String> mapid= formInstanceMapper.getChildListdate(instanceId);
-        if(mapid!=null){
+        if(mapid.get("ids")!=null && !mapid.get("ids").equals("")){
             String[] listid=  mapid.get("ids").split(",");
             if(listid!=null){
                   List<String> listiods= new ArrayList<>();