cmd/gf: gen enums fail

### Go version

go version go1.22.2 windows/amd64

### GoFrame version

2.7.0

### Can this bug be reproduced with the latest release?

Option Yes

### What did you do?

gf gen enums

### What did you see happen?

![image](https://github.com/gogf/gf/assets/45782393/1483e07a-8545-438c-a2ef-89c4e2c0a097)


### What did you expect to see?

sucess