AlistGo/alist · error

failed to obtain verification code

Error message

failed to obtain verification code

What it means

Error "failed to obtain verification code" thrown in AlistGo/alist.

Source

Thrown at drivers/189pc/utils.go:436

			"userName":    param.RsaUsername,
		}).Post(AUTH_URL + "/api/logbox/oauth2/needcaptcha.do")
	if err != nil {
		return err
	}
	if resp.String() == "0" {
		return nil
	}

	// 拉取验证码
	imgRes, err := y.client.R().
		SetQueryParams(map[string]string{
			"token": param.CaptchaToken,
			"REQID": param.ReqId,
			"rnd":   fmt.Sprint(timestamp()),
		}).
		Get(AUTH_URL + "/api/logbox/oauth2/picCaptcha.do")
	if err != nil {
		return fmt.Errorf("failed to obtain verification code")
	}
	if imgRes.Size() > 20 {
		if setting.GetStr(conf.OcrApi) != "" && !y.NoUseOcr {
			vRes, err := base.RestyClient.R().
				SetMultipartField("image", "validateCode.png", "image/png", bytes.NewReader(imgRes.Body())).
				Post(setting.GetStr(conf.OcrApi))
			if err != nil {
				return err
			}
			if jsoniter.Get(vRes.Body(), "status").ToInt() == 200 {
				y.VCode = jsoniter.Get(vRes.Body(), "result").ToString()
				return nil
			}
		}

		// 返回验证码图片给前端
		return fmt.Errorf(`need img validate code: <img src="data:image/png;base64,%s"/>`, base64.StdEncoding.EncodeToString(imgRes.Body()))
	}

View on GitHub (pinned to 843d9dc814)

Solutions

1. Check the storage configuration and the provider's service status, fix the indicated cause, and retry the operation.

When it happens

Trigger: Thrown at drivers/189pc/utils.go:436 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of AlistGo/alist@843d9dc814 (2026-08-15). Data as JSON: /api/errors/9d4896beb9e6a6d4. Report an issue: GitHub.