Post请求，Req结构字段定义`in:header`，仍会出现在body中，导致swagger或redoc出现两个相同字段

[mingzaily]

1. What version of Go and system type/arch are you using?

go 1.17, mac

2. What version of GoFrame are you using?

v2.1.0-rc4

3. Can this issue be re-produced with the latest release?

yes

4. What did you do?

define

type GetUserReq struct {
	g.Meta `path:"/user" tags:"User" method:"post" sm:"获取用户信息"`
	Token  string `json:"token" v:"required" dc:"用户token" in:"header"`
	UserId int    `json:"user_id" v:"required" dc:"用户ID"`
}

type GetUserRes struct{}

open /swagger

open /api.json

5. What did you expect to see?

header param not in request body

6. What did you see instead?

header param in request body

[houseme]

建议升级版本使用