ECO怎么没有记录

如下的ECO。我改了几个元件的封装，怎么ECO文件里面没有记录？谢谢！** ECO In Report **Fri Jun 13 12:27:11 2008Input File : D:Program FilesPADS Projectseco2pcb.eco
Current Job : UntitledLine 14 , Section *DEL_ATTRIBUTE*
"Comment"
* WARNING: Processing command to delete attribute "Comment" from Component UU1.
* The attribute is also inherited from Decal QFN5X5-32.
* The change is not fully reconciled for cases where the schematic
* does not support hierarchical attributes.

谢谢，自己顶一下！

今天又试一试了，发现ECO的这个eco.err记事本文件里面怎么还是没有我修改和增添了的元件的ECO记录？如下内容：** ECO In Report **Sat Jun 14 09:43:55 2008Input File : D:Program FilesPADS Projectseco2pcb.eco
Current Job : Untitled
No errors foundAttribute Dictionary was modified during import operations.?The following
attributes were added to the Attribute Dictionary as non-ECO Registered:Sim.Analog.Model
Sim.Analog.Order
Sim.Analog.Prefix
Part Number
Manufacturer #1
Voltage Rating

再顶一下！