custom time.Time type can not use bindQuery get a value. about gin HOT 3 CLOSED

package main

import (
	"net/http"
	"time"
	
	"github.com/gin-gonic/gin"
)

func main() {
	r := gin.Default()
	r.Any("/time", func(c *gin.Context) {
		s := struct {
			CreatedAt []time.Time `form:"createdAt" time_format:"2006-01-02 15:04:05" example:"2019-09-09 12:12:12,2019-09-09 12:12:12"`
		}{}
		
		if err := c.Bind(&s); err != nil {
			c.String(http.StatusBadRequest,err.Error())
		}
		c.JSON(http.StatusOK,s)
		
	})
	r.Run()
}

const defaultTimeLayout = "2006-01-02 15:04:05"

type MyTime time.Time

func (t *MyTime) UnmarshalJSON(data []byte) error {
	var v interface{}
	if err := json.Unmarshal(data, &v); err != nil {
		return err
	}
	switch value := v.(type) {
	case string:
		var err error
		tt, err := time.ParseInLocation(defaultTimeLayout, value, time.Local)
		if err != nil {
			return err
		}
		*t = MyTime(tt)
		return nil
	default:
		return errors.New("invalid time format")
	}
}

func (t MyTime) MarshalJSON() ([]byte, error) {
	return json.Marshal(time.Time(t).Format(defaultTimeLayout))
}

type MyReq struct {
	Time MyTime `json:"time" form:"time" binding:"required" time_format:"2006-01-02 15:04:05"`
}