Make lotus-seal-worker issue

Hi, There:

I have issue to run ```
make lotus-seal-worker


the error message is  "make: *** 没有规则可制作目标“lotus-seal-worker”。 停止。" 

is that anyone knows how to fix this. 

But the way, what i have find is for new miner the steps on "lotu.sh" to hard to follow,  is that anyone can help with me and check if my mining program is in good order. 

Currently, what i am find is, i am not sure what i am doing now, and not sure if  i have get all the work done properly.  

if anyone can help me that will be great.  thanks heaps. 

Regards, 

Kai