marge: 合并代码

src/modules/common/service/register.impl.go

@@ -41,7 +41,7 @@ func (s *RegisterImpl) ValidateCaptcha(code, uuid string) error {
 	}
 	verifyKey := cachekey.CAPTCHA_CODE_KEY + uuid
 	captcha, err := redis.Get("", verifyKey)
-	if captcha == "" || err != nil {
+	if err != nil {
 		return errors.New("验证码已失效")
 	}
 	redis.Del("", verifyKey)