导入captcha时报错

[clingfei]

import(
"crypto/md5"
"fmt"
"github.com/beego/beego/v2/client/orm"
"github.com/beego/beego/v2/core/validation"
beego "github.com/beego/beego/v2/server/web"
"log"
"github.com/astaxie/beego/cache"
captcha2 "github.com/astaxie/beego/utils/captcha"
）
func init() {
// use beego cache system store the captcha data
store := cache.NewMemoryCache()
cpt = captcha2.NewWithFilter("/captcha/", store)
}

会出现以下错误：
./Netdisk flag redefined: graceful
panic: ./Netdisk flag redefined: graceful

goroutine 1 [running]:
flag.(*FlagSet).Var(0xc000172660, 0xee0f40, 0x14d5188, 0xdaa5ef, 0x8, 0xdc1691, 0x21)
/usr/lib/go-1.13/src/flag/flag.go:848 +0x4ae
flag.BoolVar(...)
/usr/lib/go-1.13/src/flag/flag.go:627

似乎是因为在flag.go和grace.go中重复定义了flag变量，但这两个变量是依赖包中所定义的，请问应当如何解决？

[flycash]

你不能使用"github.com/astaxie/beego/cache"。你应该用"github.com/beego/beego/server/web/filter/cacha"。大概是在这个位置。
你这里是v1.x和v2.x混用，会有很多问题。我建议你直接删掉github.com/astaxie/beego依赖