debug component issue

I made a simple transform component,and i aslo performed a ssis packeage using that component,executed without error,now i want to debug that component

I defined component's properties,action start using dtexec.exe and speicifed package path in action option. I put a breakpoint in component code, however when i begin debugging,it's always skip breakpoint

what should i do? thanks

when i using dtexec in command prompt

it always prompt the path is not valid and error is 0x80070057

below is what i input

dtexec /dts c:\ssis\***\***.dtsx

what's problem? thanks

|||

dtexec /f can working

but how to debug my component?

thanks in advance