diff --git a/internal/model/web/alipay.go b/internal/model/web/alipay.go
index 707a1170..6bfa674f 100644
--- a/internal/model/web/alipay.go
+++ b/internal/model/web/alipay.go
@@ -57,12 +57,12 @@ type AlipayNotifyReq struct {
 func (r *AlipayNotifyReq) Bind(c *gin.Context) mir.Error {
 	if err := c.Request.ParseForm(); err != nil {
 		logrus.Errorf("parse form err: %s", err)
-		return _errRechargeNotifyError
+		return ErrRechargeNotifyError
 	}
 	noti, err := conf.MustAlipayClient().GetTradeNotification(c.Request)
 	if err != nil {
 		logrus.Errorf("alipayClient.GetTradeNotification err: %s form: %v", err, c.Request.Form)
-		return _errRechargeNotifyError
+		return ErrRechargeNotifyError
 	}
 	r.Ctx = c.Request.Context()
 	r.ID = convert.StrTo(noti.OutTradeNo).MustInt64()
diff --git a/internal/model/web/priv.go b/internal/model/web/priv.go
index e27c1a95..d226e158 100644
--- a/internal/model/web/priv.go
+++ b/internal/model/web/priv.go
@@ -209,7 +209,7 @@ func (r *UploadAttachmentReq) Bind(c *gin.Context) (xerr mir.Error) {
 	uploadType := c.Request.FormValue("type")
 	file, fileHeader, err := c.Request.FormFile("file")
 	if err != nil {
-		return _errFileUploadFailed
+		return ErrFileUploadFailed
 	}
 	defer func() {
 		if xerr != nil {
diff --git a/internal/model/web/utils.go b/internal/model/web/utils.go
index ab13ed68..06436d72 100644
--- a/internal/model/web/utils.go
+++ b/internal/model/web/utils.go
@@ -17,7 +17,7 @@ func fileCheck(uploadType string, size int64) mir.Error {
 		return xerror.InvalidParams
 	}
 	if size > 1024*1024*100 {
-		return _errFileInvalidSize.WithDetails("最大允许100MB")
+		return ErrFileInvalidSize.WithDetails("最大允许100MB")
 	}
 	return nil
 }
@@ -42,6 +42,6 @@ func getFileExt(s string) (string, mir.Error) {
 		"application/x-zip-compressed":
 		return ".zip", nil
 	default:
-		return "", _errFileInvalidExt.WithDetails("仅允许 png/jpg/gif/mp4/mov/zip 类型")
+		return "", ErrFileInvalidExt.WithDetails("仅允许 png/jpg/gif/mp4/mov/zip 类型")
 	}
 }
diff --git a/internal/model/web/xerror.go b/internal/model/web/xerror.go
index 1a0ea170..6328a099 100644
--- a/internal/model/web/xerror.go
+++ b/internal/model/web/xerror.go
@@ -10,84 +10,84 @@ import (
 
 // nolint
 var (
-	_errUsernameHasExisted      = xerror.NewError(20001, "用户名已存在")
-	_errUsernameLengthLimit     = xerror.NewError(20002, "用户名长度3~12")
-	_errUsernameCharLimit       = xerror.NewError(20003, "用户名只能包含字母、数字")
-	_errPasswordLengthLimit     = xerror.NewError(20004, "密码长度6~16")
-	_errUserRegisterFailed      = xerror.NewError(20005, "用户注册失败")
-	_errUserHasBeenBanned       = xerror.NewError(20006, "该账户已被封停")
-	_errNoPermission            = xerror.NewError(20007, "无权限执行该请求")
-	_errUserHasBindOTP          = xerror.NewError(20008, "当前用户已绑定二次验证")
-	_errUserOTPInvalid          = xerror.NewError(20009, "二次验证码验证失败")
-	_errUserNoBindOTP           = xerror.NewError(20010, "当前用户未绑定二次验证")
-	_errErrorOldPassword        = xerror.NewError(20011, "当前用户密码验证失败")
-	_errErrorCaptchaPassword    = xerror.NewError(20012, "图形验证码验证失败")
-	_errAccountNoPhoneBind      = xerror.NewError(20013, "拒绝操作: 账户未绑定手机号")
-	_errTooManyLoginError       = xerror.NewError(20014, "登录失败次数过多，请稍后再试")
-	_errGetPhoneCaptchaError    = xerror.NewError(20015, "短信验证码获取失败")
-	_errTooManyPhoneCaptchaSend = xerror.NewError(20016, "短信验证码获取次数已达今日上限")
-	_errExistedUserPhone        = xerror.NewError(20017, "该手机号已被绑定")
-	_errErrorPhoneCaptcha       = xerror.NewError(20018, "手机验证码不正确")
-	_errMaxPhoneCaptchaUseTimes = xerror.NewError(20019, "手机验证码已达最大使用次数")
-	_errNicknameLengthLimit     = xerror.NewError(20020, "昵称长度2~12")
-	_errNoExistUsername         = xerror.NewError(20021, "用户不存在")
-	_errNoAdminPermission       = xerror.NewError(20022, "无管理权限")
-	_errDisallowUserRegister    = xerror.NewError(20023, "系统不允许注册用户")
+	ErrUsernameHasExisted      = xerror.NewError(20001, "用户名已存在")
+	ErrUsernameLengthLimit     = xerror.NewError(20002, "用户名长度3~12")
+	ErrUsernameCharLimit       = xerror.NewError(20003, "用户名只能包含字母、数字")
+	ErrPasswordLengthLimit     = xerror.NewError(20004, "密码长度6~16")
+	ErrUserRegisterFailed      = xerror.NewError(20005, "用户注册失败")
+	ErrUserHasBeenBanned       = xerror.NewError(20006, "该账户已被封停")
+	ErrNoPermission            = xerror.NewError(20007, "无权限执行该请求")
+	ErrUserHasBindOTP          = xerror.NewError(20008, "当前用户已绑定二次验证")
+	ErrUserOTPInvalid          = xerror.NewError(20009, "二次验证码验证失败")
+	ErrUserNoBindOTP           = xerror.NewError(20010, "当前用户未绑定二次验证")
+	ErrErrorOldPassword        = xerror.NewError(20011, "当前用户密码验证失败")
+	ErrErrorCaptchaPassword    = xerror.NewError(20012, "图形验证码验证失败")
+	ErrAccountNoPhoneBind      = xerror.NewError(20013, "拒绝操作: 账户未绑定手机号")
+	ErrTooManyLoginError       = xerror.NewError(20014, "登录失败次数过多，请稍后再试")
+	ErrGetPhoneCaptchaError    = xerror.NewError(20015, "短信验证码获取失败")
+	ErrTooManyPhoneCaptchaSend = xerror.NewError(20016, "短信验证码获取次数已达今日上限")
+	ErrExistedUserPhone        = xerror.NewError(20017, "该手机号已被绑定")
+	ErrErrorPhoneCaptcha       = xerror.NewError(20018, "手机验证码不正确")
+	ErrMaxPhoneCaptchaUseTimes = xerror.NewError(20019, "手机验证码已达最大使用次数")
+	ErrNicknameLengthLimit     = xerror.NewError(20020, "昵称长度2~12")
+	ErrNoExistUsername         = xerror.NewError(20021, "用户不存在")
+	ErrNoAdminPermission       = xerror.NewError(20022, "无管理权限")
+	ErrDisallowUserRegister    = xerror.NewError(20023, "系统不允许注册用户")
 
-	_errGetPostsFailed          = xerror.NewError(30001, "获取动态列表失败")
-	_errCreatePostFailed        = xerror.NewError(30002, "动态发布失败")
-	_errGetPostFailed           = xerror.NewError(30003, "获取动态详情失败")
-	_errDeletePostFailed        = xerror.NewError(30004, "动态删除失败")
-	_errLockPostFailed          = xerror.NewError(30005, "动态锁定失败")
-	_errGetPostTagsFailed       = xerror.NewError(30006, "获取话题列表失败")
-	_errInvalidDownloadReq      = xerror.NewError(30007, "附件下载请求不合法")
-	_errDownloadReqError        = xerror.NewError(30008, "附件下载请求失败")
-	_errInsuffientDownloadMoney = xerror.NewError(30009, "附件下载失败:账户资金不足")
-	_errDownloadExecFail        = xerror.NewError(30010, "附件下载失败:扣费失败")
-	_errStickPostFailed         = xerror.NewError(30011, "动态置顶失败")
-	_errVisblePostFailed        = xerror.NewError(30012, "更新可见性失败")
+	ErrGetPostsFailed          = xerror.NewError(30001, "获取动态列表失败")
+	ErrCreatePostFailed        = xerror.NewError(30002, "动态发布失败")
+	ErrGetPostFailed           = xerror.NewError(30003, "获取动态详情失败")
+	ErrDeletePostFailed        = xerror.NewError(30004, "动态删除失败")
+	ErrLockPostFailed          = xerror.NewError(30005, "动态锁定失败")
+	ErrGetPostTagsFailed       = xerror.NewError(30006, "获取话题列表失败")
+	ErrInvalidDownloadReq      = xerror.NewError(30007, "附件下载请求不合法")
+	ErrDownloadReqError        = xerror.NewError(30008, "附件下载请求失败")
+	ErrInsuffientDownloadMoney = xerror.NewError(30009, "附件下载失败:账户资金不足")
+	ErrDownloadExecFail        = xerror.NewError(30010, "附件下载失败:扣费失败")
+	ErrStickPostFailed         = xerror.NewError(30011, "动态置顶失败")
+	ErrVisblePostFailed        = xerror.NewError(30012, "更新可见性失败")
 
-	_errGetCommentsFailed   = xerror.NewError(40001, "获取评论列表失败")
-	_errCreateCommentFailed = xerror.NewError(40002, "评论发布失败")
-	_errGetCommentFailed    = xerror.NewError(40003, "获取评论详情失败")
-	_errDeleteCommentFailed = xerror.NewError(40004, "评论删除失败")
-	_errCreateReplyFailed   = xerror.NewError(40005, "评论回复失败")
-	_errGetReplyFailed      = xerror.NewError(40006, "获取评论详情失败")
-	_errMaxCommentCount     = xerror.NewError(40007, "评论数已达最大限制")
-	_errGetCommentThumbs    = xerror.NewError(40008, "获取评论点赞信息失败")
+	ErrGetCommentsFailed   = xerror.NewError(40001, "获取评论列表失败")
+	ErrCreateCommentFailed = xerror.NewError(40002, "评论发布失败")
+	ErrGetCommentFailed    = xerror.NewError(40003, "获取评论详情失败")
+	ErrDeleteCommentFailed = xerror.NewError(40004, "评论删除失败")
+	ErrCreateReplyFailed   = xerror.NewError(40005, "评论回复失败")
+	ErrGetReplyFailed      = xerror.NewError(40006, "获取评论详情失败")
+	ErrMaxCommentCount     = xerror.NewError(40007, "评论数已达最大限制")
+	ErrGetCommentThumbs    = xerror.NewError(40008, "获取评论点赞信息失败")
 
-	_errGetMessagesFailed = xerror.NewError(50001, "获取消息列表失败")
-	_errReadMessageFailed = xerror.NewError(50002, "标记消息已读失败")
-	_errSendWhisperFailed = xerror.NewError(50003, "私信发送失败")
-	_errNoWhisperToSelf   = xerror.NewError(50004, "不允许给自己发送私信")
-	_errTooManyWhisperNum = xerror.NewError(50005, "今日私信次数已达上限")
+	ErrGetMessagesFailed = xerror.NewError(50001, "获取消息列表失败")
+	ErrReadMessageFailed = xerror.NewError(50002, "标记消息已读失败")
+	ErrSendWhisperFailed = xerror.NewError(50003, "私信发送失败")
+	ErrNoWhisperToSelf   = xerror.NewError(50004, "不允许给自己发送私信")
+	ErrTooManyWhisperNum = xerror.NewError(50005, "今日私信次数已达上限")
 
-	_errGetCollectionsFailed = xerror.NewError(60001, "获取收藏列表失败")
-	_errGetStarsFailed       = xerror.NewError(60002, "获取点赞列表失败")
+	ErrGetCollectionsFailed = xerror.NewError(60001, "获取收藏列表失败")
+	ErrGetStarsFailed       = xerror.NewError(60002, "获取点赞列表失败")
 
-	_errRechargeReqFail       = xerror.NewError(70001, "充值请求失败")
-	_errRechargeNotifyError   = xerror.NewError(70002, "充值回调失败")
-	_errGetRechargeFailed     = xerror.NewError(70003, "充值详情获取失败")
-	_errUserWalletBillsFailed = xerror.NewError(70004, "用户钱包账单获取失败")
+	ErrRechargeReqFail       = xerror.NewError(70001, "充值请求失败")
+	ErrRechargeNotifyError   = xerror.NewError(70002, "充值回调失败")
+	ErrGetRechargeFailed     = xerror.NewError(70003, "充值详情获取失败")
+	ErrUserWalletBillsFailed = xerror.NewError(70004, "用户钱包账单获取失败")
 
-	_errNoRequestingFriendToSelf   = xerror.NewError(80001, "不允许添加自己为好友")
-	_errNotExistFriendId           = xerror.NewError(80002, "好友id不存在")
-	_errSendRequestingFriendFailed = xerror.NewError(80003, "申请添加朋友请求发送失败")
-	_errAddFriendFailed            = xerror.NewError(80004, "添加好友失败")
-	_errRejectFriendFailed         = xerror.NewError(80005, "拒绝好友失败")
-	_errDeleteFriendFailed         = xerror.NewError(80006, "删除好友失败")
-	_errGetContactsFailed          = xerror.NewError(80007, "获取联系人列表失败")
-	_errNoActionToSelf             = xerror.NewError(80008, "不允许对自己操作")
+	ErrNoRequestingFriendToSelf   = xerror.NewError(80001, "不允许添加自己为好友")
+	ErrNotExistFriendId           = xerror.NewError(80002, "好友id不存在")
+	ErrSendRequestingFriendFailed = xerror.NewError(80003, "申请添加朋友请求发送失败")
+	ErrAddFriendFailed            = xerror.NewError(80004, "添加好友失败")
+	ErrRejectFriendFailed         = xerror.NewError(80005, "拒绝好友失败")
+	ErrDeleteFriendFailed         = xerror.NewError(80006, "删除好友失败")
+	ErrGetContactsFailed          = xerror.NewError(80007, "获取联系人列表失败")
+	ErrNoActionToSelf             = xerror.NewError(80008, "不允许对自己操作")
 
-	_errFollowTopicFailed      = xerror.NewError(90001, "关注话题失败")
-	_errUnfollowTopicFailed    = xerror.NewError(90002, "取消关注话题失败")
-	_errStickTopicFailed       = xerror.NewError(90003, "更行话题置顶状态失败")
-	_errThumbsUpTweetComment   = xerror.NewError(90101, "评论点赞失败")
-	_errThumbsDownTweetComment = xerror.NewError(90102, "评论点踩失败")
-	_errThumbsUpTweetReply     = xerror.NewError(90103, "评论回复点赞失败")
-	_errThumbsDownTweetReply   = xerror.NewError(90104, "评论回复点踩失败")
+	ErrFollowTopicFailed      = xerror.NewError(90001, "关注话题失败")
+	ErrUnfollowTopicFailed    = xerror.NewError(90002, "取消关注话题失败")
+	ErrStickTopicFailed       = xerror.NewError(90003, "更行话题置顶状态失败")
+	ErrThumbsUpTweetComment   = xerror.NewError(90101, "评论点赞失败")
+	ErrThumbsDownTweetComment = xerror.NewError(90102, "评论点踩失败")
+	ErrThumbsUpTweetReply     = xerror.NewError(90103, "评论回复点赞失败")
+	ErrThumbsDownTweetReply   = xerror.NewError(90104, "评论回复点踩失败")
 
-	_errFileUploadFailed = xerror.NewError(10200, "文件上传失败")
-	_errFileInvalidExt   = xerror.NewError(10201, "文件类型不合法")
-	_errFileInvalidSize  = xerror.NewError(10202, "文件大小超限")
+	ErrFileUploadFailed = xerror.NewError(10200, "文件上传失败")
+	ErrFileInvalidExt   = xerror.NewError(10201, "文件类型不合法")
+	ErrFileInvalidSize  = xerror.NewError(10202, "文件大小超限")
 )
diff --git a/internal/servants/web/admin.go b/internal/servants/web/admin.go
index 27d7f5c1..1d8241e6 100644
--- a/internal/servants/web/admin.go
+++ b/internal/servants/web/admin.go
@@ -30,7 +30,7 @@ func (s *adminSrv) Chain() gin.HandlersChain {
 func (s *adminSrv) ChangeUserStatus(req *web.ChangeUserStatusReq) mir.Error {
 	user, err := s.Ds.GetUserByID(req.ID)
 	if err != nil || user.Model == nil || user.ID <= 0 {
-		return _errNoExistUsername
+		return web.ErrNoExistUsername
 	}
 	// 执行更新
 	user.Status = req.Status
diff --git a/internal/servants/web/alipay.go b/internal/servants/web/alipay.go
index dc8f4a84..9c7c11c5 100644
--- a/internal/servants/web/alipay.go
+++ b/internal/servants/web/alipay.go
@@ -40,7 +40,7 @@ func (s *alipayPubSrv) AlipayNotify(req *web.AlipayNotifyReq) mir.Error {
 			recharge, err := s.Ds.GetRechargeByID(req.ID)
 			if err != nil {
 				logrus.Errorf("GetRechargeByID id:%d err: %s", req.ID, err)
-				return _errRechargeNotifyError
+				return web.ErrRechargeNotifyError
 			}
 			if recharge.TradeStatus != "TRADE_SUCCESS" {
 				// 标记为已付款
@@ -48,7 +48,7 @@ func (s *alipayPubSrv) AlipayNotify(req *web.AlipayNotifyReq) mir.Error {
 				defer s.Redis.DelRechargeStatus(req.Ctx, req.TradeNo)
 				if err != nil {
 					logrus.Errorf("HandleRechargeSuccess id:%d err: %s", req.ID, err)
-					return _errRechargeNotifyError
+					return web.ErrRechargeNotifyError
 				}
 			}
 		}
@@ -64,12 +64,12 @@ func (s *alipayPrivSrv) UserWalletBills(req *web.UserWalletBillsReq) (*web.UserW
 	bills, err := s.Ds.GetUserWalletBills(req.UserId, (req.Page-1)*req.PageSize, req.PageSize)
 	if err != nil {
 		logrus.Errorf("GetUserWalletBills err: %s", err)
-		return nil, _errUserWalletBillsFailed
+		return nil, web.ErrUserWalletBillsFailed
 	}
 	totalRows, err := s.Ds.GetUserWalletBillCount(req.UserId)
 	if err != nil {
 		logrus.Errorf("GetUserWalletBillCount err: %s", err)
-		return nil, _errUserWalletBillsFailed
+		return nil, web.ErrUserWalletBillsFailed
 	}
 	resp := base.PageRespFrom(bills, req.Page, req.PageSize, totalRows)
 	return (*web.UserWalletBillsResp)(resp), nil
@@ -79,7 +79,7 @@ func (s *alipayPrivSrv) UserRechargeLink(req *web.UserRechargeLinkReq) (*web.Use
 	recharge, err := s.Ds.CreateRecharge(req.User.ID, req.Amount)
 	if err != nil {
 		logrus.Errorf("Ds.CreateRecharge err: %v", err)
-		return nil, _errRechargeReqFail
+		return nil, web.ErrRechargeReqFail
 	}
 	p := alipay.TradePreCreate{}
 	p.OutTradeNo = fmt.Sprintf("%d", recharge.ID)
@@ -89,10 +89,10 @@ func (s *alipayPrivSrv) UserRechargeLink(req *web.UserRechargeLinkReq) (*web.Use
 	rsp, err := s.alipayClient.TradePreCreate(p)
 	if err != nil {
 		logrus.Errorf("client.TradePreCreate err: %v\n", err)
-		return nil, _errRechargeReqFail
+		return nil, web.ErrRechargeReqFail
 	}
 	if rsp.Content.Code != alipay.CodeSuccess {
-		return nil, _errRechargeReqFail
+		return nil, web.ErrRechargeReqFail
 	}
 	return &web.UserRechargeLinkResp{
 		Id:  recharge.ID,
@@ -104,11 +104,11 @@ func (s *alipayPrivSrv) UserRechargeResult(req *web.UserRechargeResultReq) (*web
 	recharge, err := s.Ds.GetRechargeByID(req.Id)
 	if err != nil {
 		logrus.Errorf("Ds.GetRechargeByID err: %v", err)
-		return nil, _errGetRechargeFailed
+		return nil, web.ErrGetRechargeFailed
 	}
 	if recharge.UserID != req.UserId {
 		logrus.Errorf("Ds.GetRechargeByID userId not equel recharge.UserID: %d req.UserId %d", recharge.UserID, req.UserId)
-		return nil, _errGetRechargeFailed
+		return nil, web.ErrGetRechargeFailed
 	}
 	return &web.UserRechargeResultResp{
 		Id:     recharge.ID,
diff --git a/internal/servants/web/core.go b/internal/servants/web/core.go
index 637108b8..9bf791c1 100644
--- a/internal/servants/web/core.go
+++ b/internal/servants/web/core.go
@@ -122,7 +122,7 @@ func (s *coreSrv) GetMessages(req *web.GetMessagesReq) (*web.GetMessagesResp, mi
 	}
 	if err != nil {
 		logrus.Errorf("Ds.GetMessages err: %v\n", err)
-		return nil, _errGetMessagesFailed
+		return nil, web.ErrGetMessagesFailed
 	}
 	totalRows, _ := s.Ds.GetMessageCount(conditions)
 	resp := base.PageRespFrom(messages, req.Page, req.PageSize, totalRows)
@@ -132,14 +132,14 @@ func (s *coreSrv) GetMessages(req *web.GetMessagesReq) (*web.GetMessagesResp, mi
 func (s *coreSrv) ReadMessage(req *web.ReadMessageReq) mir.Error {
 	message, err := s.Ds.GetMessageByID(req.ID)
 	if err != nil {
-		return _errReadMessageFailed
+		return web.ErrReadMessageFailed
 	}
 	if message.ReceiverUserID != req.Uid {
-		return _errNoPermission
+		return web.ErrNoPermission
 	}
 	if err = s.Ds.ReadMessage(message); err != nil {
 		logrus.Errorf("Ds.ReadMessage err: %s", err)
-		return _errReadMessageFailed
+		return web.ErrReadMessageFailed
 	}
 	return nil
 }
@@ -147,13 +147,13 @@ func (s *coreSrv) ReadMessage(req *web.ReadMessageReq) mir.Error {
 func (s *coreSrv) SendUserWhisper(req *web.SendWhisperReq) mir.Error {
 	// 不允许发送私信给自己
 	if req.Uid == req.UserID {
-		return _errNoWhisperToSelf
+		return web.ErrNoWhisperToSelf
 	}
 
 	// 今日频次限制
 	ctx := context.Background()
 	if count, _ := s.Redis.GetCountWhisper(ctx, req.Uid); count >= _MaxWhisperNumDaily {
-		return _errTooManyWhisperNum
+		return web.ErrTooManyWhisperNum
 	}
 
 	// 创建私信
@@ -166,7 +166,7 @@ func (s *coreSrv) SendUserWhisper(req *web.SendWhisperReq) mir.Error {
 	})
 	if err != nil {
 		logrus.Errorf("Ds.CreateWhisper err: %s", err)
-		return _errSendWhisperFailed
+		return web.ErrSendWhisperFailed
 	}
 
 	// 写入当日（自然日）计数缓存
@@ -179,12 +179,12 @@ func (s *coreSrv) GetCollections(req *web.GetCollectionsReq) (*web.GetCollection
 	collections, err := s.Ds.GetUserPostCollections(req.UserId, (req.Page-1)*req.PageSize, req.PageSize)
 	if err != nil {
 		logrus.Errorf("Ds.GetUserPostCollections err: %s", err)
-		return nil, _errGetCollectionsFailed
+		return nil, web.ErrGetCollectionsFailed
 	}
 	totalRows, err := s.Ds.GetUserPostCollectionCount(req.UserId)
 	if err != nil {
 		logrus.Errorf("Ds.GetUserPostCollectionCount err: %s", err)
-		return nil, _errGetCollectionsFailed
+		return nil, web.ErrGetCollectionsFailed
 	}
 
 	var posts []*core.Post
@@ -194,7 +194,7 @@ func (s *coreSrv) GetCollections(req *web.GetCollectionsReq) (*web.GetCollection
 	postsFormated, err := s.Ds.MergePosts(posts)
 	if err != nil {
 		logrus.Errorf("Ds.MergePosts err: %s", err)
-		return nil, _errGetCollectionsFailed
+		return nil, web.ErrGetCollectionsFailed
 	}
 	resp := base.PageRespFrom(postsFormated, req.Page, req.PageSize, totalRows)
 
@@ -205,23 +205,23 @@ func (s *coreSrv) UserPhoneBind(req *web.UserPhoneBindReq) mir.Error {
 	// 手机重复性检查
 	u, err := s.Ds.GetUserByPhone(req.Phone)
 	if err == nil && u.Model != nil && u.ID != 0 && u.ID != req.User.ID {
-		return _errExistedUserPhone
+		return web.ErrExistedUserPhone
 	}
 
 	// 如果禁止phone verify 则允许通过任意验证码
 	if _enablePhoneVerify {
 		c, err := s.Ds.GetLatestPhoneCaptcha(req.Phone)
 		if err != nil {
-			return _errErrorPhoneCaptcha
+			return web.ErrErrorPhoneCaptcha
 		}
 		if c.Captcha != req.Captcha {
-			return _errErrorPhoneCaptcha
+			return web.ErrErrorPhoneCaptcha
 		}
 		if c.ExpiredOn < time.Now().Unix() {
-			return _errErrorPhoneCaptcha
+			return web.ErrErrorPhoneCaptcha
 		}
 		if c.UseTimes >= _MaxCaptchaTimes {
-			return _errMaxPhoneCaptchaUseTimes
+			return web.ErrMaxPhoneCaptchaUseTimes
 		}
 		// 更新检测次数
 		s.Ds.UsePhoneCaptcha(c)
@@ -242,12 +242,12 @@ func (s *coreSrv) GetStars(req *web.GetStarsReq) (*web.GetStarsResp, mir.Error)
 	stars, err := s.Ds.GetUserPostStars(req.UserId, (req.Page-1)*req.PageSize, req.PageSize)
 	if err != nil {
 		logrus.Errorf("Ds.GetUserPostStars err: %s", err)
-		return nil, _errGetStarsFailed
+		return nil, web.ErrGetStarsFailed
 	}
 	totalRows, err := s.Ds.GetUserPostStarCount(req.UserId)
 	if err != nil {
 		logrus.Errorf("Ds.GetUserPostStars err: %s", err)
-		return nil, _errGetStarsFailed
+		return nil, web.ErrGetStarsFailed
 	}
 
 	var posts []*core.Post
@@ -257,7 +257,7 @@ func (s *coreSrv) GetStars(req *web.GetStarsReq) (*web.GetStarsResp, mir.Error)
 	postsFormated, err := s.Ds.MergePosts(posts)
 	if err != nil {
 		logrus.Errorf("Ds.MergePosts err: %s", err)
-		return nil, _errGetStarsFailed
+		return nil, web.ErrGetStarsFailed
 	}
 	resp := base.PageRespFrom(postsFormated, req.Page, req.PageSize, totalRows)
 
@@ -272,7 +272,7 @@ func (s *coreSrv) ChangePassword(req *web.ChangePasswordReq) mir.Error {
 	// 旧密码校验
 	user := req.User
 	if !validPassword(user.Password, req.OldPassword, req.User.Salt) {
-		return _errErrorOldPassword
+		return web.ErrErrorOldPassword
 	}
 	// 更新入库
 	user.Password, user.Salt = encryptPasswordAndSalt(req.Password)
@@ -311,7 +311,7 @@ func (s *coreSrv) SuggestUsers(req *web.SuggestUsersReq) (*web.SuggestUsersResp,
 
 func (s *coreSrv) ChangeNickname(req *web.ChangeNicknameReq) mir.Error {
 	if utf8.RuneCountInString(req.Nickname) < 2 || utf8.RuneCountInString(req.Nickname) > 12 {
-		return _errNicknameLengthLimit
+		return web.ErrNicknameLengthLimit
 	}
 	user := req.User
 	user.Nickname = req.Nickname
diff --git a/internal/servants/web/friendship.go b/internal/servants/web/friendship.go
index afe0dcf2..4a419666 100644
--- a/internal/servants/web/friendship.go
+++ b/internal/servants/web/friendship.go
@@ -35,7 +35,7 @@ func (s *friendshipSrv) GetContacts(req *web.GetContactsReq) (*web.GetContactsRe
 	res, err := s.Ds.GetContacts(req.User.ID, (req.Page-1)*req.PageSize, req.PageSize)
 	if err != nil {
 		logrus.Errorf("service.GetContacts err: %s", err)
-		return nil, _errGetContactsFailed
+		return nil, web.ErrGetContactsFailed
 	}
 	resp := base.PageRespFrom(res.Contacts, req.Page, req.PageSize, res.Total)
 	return (*web.GetContactsResp)(resp), nil
@@ -46,14 +46,14 @@ func (s *friendshipSrv) DeleteFriend(req *web.DeleteFriendReq) mir.Error {
 		return xerror.ServerError
 	}
 	if req.User != nil && req.User.ID == req.UserId {
-		return _errNoActionToSelf
+		return web.ErrNoActionToSelf
 	}
 	if _, err := s.Ds.GetUserByID(req.UserId); err != nil {
-		return _errNotExistFriendId
+		return web.ErrNotExistFriendId
 	}
 	if err := s.Ds.DeleteFriend(req.User.ID, req.UserId); err != nil {
 		logrus.Errorf("Ds.DeleteFriend err: %s", err)
-		return _errDeleteFriendFailed
+		return web.ErrDeleteFriendFailed
 	}
 	return nil
 }
@@ -63,14 +63,14 @@ func (s *friendshipSrv) RejectFriend(req *web.RejectFriendReq) mir.Error {
 		return xerror.ServerError
 	}
 	if req.User.ID == req.UserId {
-		return _errNoActionToSelf
+		return web.ErrNoActionToSelf
 	}
 	if _, err := s.Ds.GetUserByID(req.UserId); err != nil {
-		return _errNotExistFriendId
+		return web.ErrNotExistFriendId
 	}
 	if err := s.Ds.RejectFriend(req.User.ID, req.UserId); err != nil {
 		logrus.Errorf("Ds.RejectFriend err: %s", err)
-		return _errRejectFriendFailed
+		return web.ErrRejectFriendFailed
 	}
 	return nil
 }
@@ -80,14 +80,14 @@ func (s *friendshipSrv) AddFriend(req *web.AddFriendReq) mir.Error {
 		return xerror.ServerError
 	}
 	if req.User.ID == req.UserId {
-		return _errNoActionToSelf
+		return web.ErrNoActionToSelf
 	}
 	if _, err := s.Ds.GetUserByID(req.UserId); err != nil {
-		return _errNotExistFriendId
+		return web.ErrNotExistFriendId
 	}
 	if err := s.Ds.AddFriend(req.User.ID, req.UserId); err != nil {
 		logrus.Errorf("Ds.AddFriend err: %s", err)
-		return _errAddFriendFailed
+		return web.ErrAddFriendFailed
 	}
 	return nil
 }
@@ -97,14 +97,14 @@ func (s *friendshipSrv) RequestingFriend(req *web.RequestingFriendReq) mir.Error
 		return xerror.ServerError
 	}
 	if req.User.ID == req.UserId {
-		return _errNoRequestingFriendToSelf
+		return web.ErrNoRequestingFriendToSelf
 	}
 	if _, err := s.Ds.GetUserByID(req.UserId); err != nil {
-		return _errNotExistFriendId
+		return web.ErrNotExistFriendId
 	}
 	if err := s.Ds.RequestingFriend(req.User.ID, req.UserId, req.Greetings); err != nil {
 		logrus.Errorf("Ds.RequestingFriend err: %s", err)
-		return _errSendRequestingFriendFailed
+		return web.ErrSendRequestingFriendFailed
 	}
 	return nil
 }
diff --git a/internal/servants/web/loose.go b/internal/servants/web/loose.go
index 2a6c50c7..97b9cabc 100644
--- a/internal/servants/web/loose.go
+++ b/internal/servants/web/loose.go
@@ -37,7 +37,7 @@ func (s *looseSrv) Timeline(req *web.TimelineReq) (*web.TimelineResp, mir.Error)
 		res, err := s.Ds.IndexPosts(req.User, offset, limit)
 		if err != nil {
 			logrus.Errorf("Ds.IndexPosts err: %s", err)
-			return nil, _errGetPostsFailed
+			return nil, web.ErrGetPostsFailed
 		}
 		resp = base.PageRespFrom(res.Tweets, req.Page, req.PageSize, res.Total)
 	} else {
@@ -48,12 +48,12 @@ func (s *looseSrv) Timeline(req *web.TimelineReq) (*web.TimelineResp, mir.Error)
 		res, err := s.Ts.Search(req.User, q, offset, limit)
 		if err != nil {
 			logrus.Errorf("Ts.Search err: %s", err)
-			return nil, _errGetPostsFailed
+			return nil, web.ErrGetPostsFailed
 		}
 		posts, err := s.Ds.RevampPosts(res.Items)
 		if err != nil {
 			logrus.Errorf("Ds.RevampPosts err: %s", err)
-			return nil, _errGetPostsFailed
+			return nil, web.ErrGetPostsFailed
 		}
 		resp = base.PageRespFrom(posts, req.Page, req.PageSize, res.Total)
 	}
@@ -85,12 +85,12 @@ func (s *looseSrv) GetUserTweets(req *web.GetUserTweetsReq) (*web.GetUserTweetsR
 	_, posts, err := s.GetTweetList(conditions, (req.Page-1)*req.PageSize, req.PageSize)
 	if err != nil {
 		logrus.Errorf("s.GetTweetList err: %s", err)
-		return nil, _errGetPostsFailed
+		return nil, web.ErrGetPostsFailed
 	}
 	totalRows, err := s.Ds.GetPostCount(conditions)
 	if err != nil {
 		logrus.Errorf("s.GetPostCount err: %s", err)
-		return nil, _errGetPostsFailed
+		return nil, web.ErrGetPostsFailed
 	}
 
 	resp := base.PageRespFrom(posts, req.Page, req.PageSize, totalRows)
@@ -101,10 +101,10 @@ func (s *looseSrv) GetUserProfile(req *web.GetUserProfileReq) (*web.GetUserProfi
 	he, err := s.Ds.GetUserByUsername(req.Username)
 	if err != nil {
 		logrus.Errorf("Ds.GetUserByUsername err: %s", err)
-		return nil, _errNoExistUsername
+		return nil, web.ErrNoExistUsername
 	}
 	if he.Model == nil && he.ID <= 0 {
-		return nil, _errNoExistUsername
+		return nil, web.ErrNoExistUsername
 	}
 	// 设定自己不是自己的朋友
 	isFriend := !(req.User == nil || req.User.ID == he.ID)
@@ -146,10 +146,10 @@ func (s *looseSrv) TopicList(req *web.TopicListReq) (*web.TopicListResp, mir.Err
 		}
 	default:
 		// TODO: return good error
-		err = _errGetPostTagsFailed
+		err = web.ErrGetPostTagsFailed
 	}
 	if err != nil {
-		return nil, _errGetPostTagsFailed
+		return nil, web.ErrGetPostTagsFailed
 	}
 	return &web.TopicListResp{
 		Topics:       tags,
@@ -169,7 +169,7 @@ func (s *looseSrv) TweetComments(req *web.TweetCommentsReq) (*web.TweetCommentsR
 
 	comments, err := s.Ds.GetComments(conditions, (req.Page-1)*req.PageSize, req.PageSize)
 	if err != nil {
-		return nil, _errGetCommentsFailed
+		return nil, web.ErrGetCommentsFailed
 	}
 
 	userIDs := []int64{}
@@ -181,24 +181,24 @@ func (s *looseSrv) TweetComments(req *web.TweetCommentsReq) (*web.TweetCommentsR
 
 	users, err := s.Ds.GetUsersByIDs(userIDs)
 	if err != nil {
-		return nil, _errGetCommentsFailed
+		return nil, web.ErrGetCommentsFailed
 	}
 
 	contents, err := s.Ds.GetCommentContentsByIDs(commentIDs)
 	if err != nil {
-		return nil, _errGetCommentsFailed
+		return nil, web.ErrGetCommentsFailed
 	}
 
 	replies, err := s.Ds.GetCommentRepliesByID(commentIDs)
 	if err != nil {
-		return nil, _errGetCommentsFailed
+		return nil, web.ErrGetCommentsFailed
 	}
 
 	var commentThumbs, replyThumbs cs.CommentThumbsMap
 	if req.Uid > 0 {
 		commentThumbs, replyThumbs, err = s.Ds.GetCommentThumbsMap(req.Uid, req.TweetId)
 		if err != nil {
-			return nil, _errGetCommentsFailed
+			return nil, web.ErrGetCommentsFailed
 		}
 	}
 
diff --git a/internal/servants/web/priv.go b/internal/servants/web/priv.go
index 97117749..aae8f2c9 100644
--- a/internal/servants/web/priv.go
+++ b/internal/servants/web/priv.go
@@ -49,7 +49,7 @@ func (s *privSrv) Chain() gin.HandlersChain {
 func (s *privSrv) ThumbsDownTweetReply(req *web.TweetReplyThumbsReq) mir.Error {
 	if err := s.Ds.ThumbsDownReply(req.Uid, req.TweetId, req.CommentId, req.ReplyId); err != nil {
 		logrus.Errorf("thumbs down tweet reply error: %s req:%v", err, req)
-		return _errThumbsDownTweetReply
+		return web.ErrThumbsDownTweetReply
 	}
 	return nil
 }
@@ -57,7 +57,7 @@ func (s *privSrv) ThumbsDownTweetReply(req *web.TweetReplyThumbsReq) mir.Error {
 func (s *privSrv) ThumbsUpTweetReply(req *web.TweetReplyThumbsReq) mir.Error {
 	if err := s.Ds.ThumbsUpReply(req.Uid, req.TweetId, req.CommentId, req.ReplyId); err != nil {
 		logrus.Errorf("thumbs up tweet reply error: %s req:%v", err, req)
-		return _errThumbsUpTweetReply
+		return web.ErrThumbsUpTweetReply
 	}
 	return nil
 }
@@ -65,7 +65,7 @@ func (s *privSrv) ThumbsUpTweetReply(req *web.TweetReplyThumbsReq) mir.Error {
 func (s *privSrv) ThumbsDownTweetComment(req *web.TweetCommentThumbsReq) mir.Error {
 	if err := s.Ds.ThumbsDownComment(req.Uid, req.TweetId, req.CommentId); err != nil {
 		logrus.Errorf("thumbs down tweet comment error: %s req:%v", err, req)
-		return _errThumbsDownTweetComment
+		return web.ErrThumbsDownTweetComment
 	}
 	return nil
 }
@@ -73,7 +73,7 @@ func (s *privSrv) ThumbsDownTweetComment(req *web.TweetCommentThumbsReq) mir.Err
 func (s *privSrv) ThumbsUpTweetComment(req *web.TweetCommentThumbsReq) mir.Error {
 	if err := s.Ds.ThumbsUpComment(req.Uid, req.TweetId, req.CommentId); err != nil {
 		logrus.Errorf("thumbs up tweet comment error: %s req:%v", err, req)
-		return _errThumbsUpTweetComment
+		return web.ErrThumbsUpTweetComment
 	}
 	return nil
 }
@@ -81,7 +81,7 @@ func (s *privSrv) ThumbsUpTweetComment(req *web.TweetCommentThumbsReq) mir.Error
 func (s *privSrv) UnfollowTopic(req *web.UnfollowTopicReq) mir.Error {
 	if err := s.Ds.UnfollowTopic(req.Uid, req.TopicId); err != nil {
 		logrus.Errorf("user(%d) unfollow topic(%d) failed: %s", req.Uid, req.TopicId, err)
-		return _errUnfollowTopicFailed
+		return web.ErrUnfollowTopicFailed
 	}
 	return nil
 }
@@ -89,7 +89,7 @@ func (s *privSrv) UnfollowTopic(req *web.UnfollowTopicReq) mir.Error {
 func (s *privSrv) FollowTopic(req *web.FollowTopicReq) mir.Error {
 	if err := s.Ds.FollowTopic(req.Uid, req.TopicId); err != nil {
 		logrus.Errorf("user(%d) follow topic(%d) failed: %s", req.Uid, req.TopicId, err)
-		return _errFollowTopicFailed
+		return web.ErrFollowTopicFailed
 	}
 	return nil
 }
@@ -98,7 +98,7 @@ func (s *privSrv) StickTopic(req *web.StickTopicReq) (*web.StickTopicResp, mir.E
 	status, err := s.Ds.StickTopic(req.Uid, req.TopicId)
 	if err != nil {
 		logrus.Errorf("user(%d) stick topic(%d) failed: %s", req.Uid, req.TopicId, err)
-		return nil, _errStickTopicFailed
+		return nil, web.ErrStickTopicFailed
 	}
 	return &web.StickTopicResp{
 		StickStatus: status,
@@ -114,7 +114,7 @@ func (s *privSrv) UploadAttachment(req *web.UploadAttachmentReq) (*web.UploadAtt
 	objectUrl, err := s.oss.PutObject(ossSavePath, req.File, req.FileSize, req.ContentType, false)
 	if err != nil {
 		logrus.Errorf("oss.putObject err: %s", err)
-		return nil, _errFileUploadFailed
+		return nil, web.ErrFileUploadFailed
 	}
 
 	// 构造附件Model
@@ -134,7 +134,7 @@ func (s *privSrv) UploadAttachment(req *web.UploadAttachmentReq) (*web.UploadAtt
 	attachment, err = s.Ds.CreateAttachment(attachment)
 	if err != nil {
 		logrus.Errorf("Ds.CreateAttachment err: %s", err)
-		return nil, _errFileUploadFailed
+		return nil, web.ErrFileUploadFailed
 	}
 
 	return &web.UploadAttachmentResp{
@@ -151,14 +151,14 @@ func (s *privSrv) DownloadAttachmentPrecheck(req *web.DownloadAttachmentPrecheck
 	content, err := s.Ds.GetPostContentByID(req.ContentID)
 	if err != nil {
 		logrus.Errorf("Ds.GetPostContentByID err: %s", err)
-		return nil, _errInvalidDownloadReq
+		return nil, web.ErrInvalidDownloadReq
 	}
 	resp := &web.DownloadAttachmentPrecheckResp{Paid: true}
 	if content.Type == core.ContentTypeChargeAttachment {
 		tweet, err := s.GetTweetBy(content.PostID)
 		if err != nil {
 			logrus.Errorf("get tweet err: %v", err)
-			return nil, _errInvalidDownloadReq
+			return nil, web.ErrInvalidDownloadReq
 		}
 		// 发布者或管理员免费下载
 		if tweet.UserID == req.User.ID || req.User.IsAdmin {
@@ -174,7 +174,7 @@ func (s *privSrv) DownloadAttachment(req *web.DownloadAttachmentReq) (*web.Downl
 	content, err := s.Ds.GetPostContentByID(req.ContentID)
 	if err != nil {
 		logrus.Errorf("s.GetPostContentByID err: %v", err)
-		return nil, _errInvalidDownloadReq
+		return nil, web.ErrInvalidDownloadReq
 	}
 	// 收费附件
 	if content.Type == core.ContentTypeChargeAttachment {
@@ -207,7 +207,7 @@ func (s *privSrv) DownloadAttachment(req *web.DownloadAttachmentReq) (*web.Downl
 	signedURL, err := s.oss.SignURL(objectKey, 60)
 	if err != nil {
 		logrus.Errorf("client.SignURL err: %v", err)
-		return nil, _errDownloadReqError
+		return nil, web.ErrDownloadReqError
 	}
 	return &web.DownloadAttachmentResp{
 		SignedURL: signedURL,
@@ -224,7 +224,7 @@ func (s *privSrv) CreateTweet(req *web.CreateTweetReq) (_ *web.CreateTweetResp,
 
 	contents, err := persistMediaContents(s.oss, req.Contents)
 	if err != nil {
-		return nil, _errCreatePostFailed
+		return nil, web.ErrCreatePostFailed
 	}
 	mediaContents = contents
 	tags := tagsFrom(req.Tags)
@@ -239,7 +239,7 @@ func (s *privSrv) CreateTweet(req *web.CreateTweetReq) (_ *web.CreateTweetResp,
 	post, err = s.Ds.CreatePost(post)
 	if err != nil {
 		logrus.Errorf("Ds.CreatePost err: %s", err)
-		return nil, _errCreatePostFailed
+		return nil, web.ErrCreatePostFailed
 	}
 
 	// 创建推文内容
@@ -261,7 +261,7 @@ func (s *privSrv) CreateTweet(req *web.CreateTweetReq) (_ *web.CreateTweetResp,
 		}
 		if _, err = s.Ds.CreatePostContent(postContent); err != nil {
 			logrus.Infof("Ds.CreatePostContent err: %s", err)
-			return nil, _errCreateCommentFailed
+			return nil, web.ErrCreateCommentFailed
 		}
 	}
 
@@ -299,27 +299,27 @@ func (s *privSrv) CreateTweet(req *web.CreateTweetReq) (_ *web.CreateTweetResp,
 	formatedPosts, err := s.Ds.RevampPosts([]*core.PostFormated{post.Format()})
 	if err != nil {
 		logrus.Infof("Ds.RevampPosts err: %s", err)
-		return nil, _errCreatePostFailed
+		return nil, web.ErrCreatePostFailed
 	}
 	return (*web.CreateTweetResp)(formatedPosts[0]), nil
 }
 
 func (s *privSrv) DeleteTweet(req *web.DeleteTweetReq) mir.Error {
 	if req.User == nil {
-		return _errNoPermission
+		return web.ErrNoPermission
 	}
 	post, err := s.Ds.GetPostByID(req.ID)
 	if err != nil {
 		logrus.Errorf("Ds.GetPostByID err: %s", err)
-		return _errGetPostFailed
+		return web.ErrGetPostFailed
 	}
 	if post.UserID != req.User.ID && !req.User.IsAdmin {
-		return _errNoPermission
+		return web.ErrNoPermission
 	}
 	mediaContents, err := s.Ds.DeletePost(post)
 	if err != nil {
 		logrus.Errorf("Ds.DeletePost delete post failed: %s", err)
-		return _errDeletePostFailed
+		return web.ErrDeletePostFailed
 	}
 	// 删除推文的媒体内容
 	deleteOssObjects(s.oss, mediaContents)
@@ -327,7 +327,7 @@ func (s *privSrv) DeleteTweet(req *web.DeleteTweetReq) mir.Error {
 	s.DeleteSearchPost(post)
 	if err != nil {
 		logrus.Errorf("s.DeleteSearchPost failed: %s", err)
-		return _errDeletePostFailed
+		return web.ErrDeletePostFailed
 	}
 	return nil
 }
@@ -336,16 +336,16 @@ func (s *privSrv) DeleteCommentReply(req *web.DeleteCommentReplyReq) mir.Error {
 	reply, err := s.Ds.GetCommentReplyByID(req.ID)
 	if err != nil {
 		logrus.Errorf("Ds.GetCommentReplyByID err: %s", err)
-		return _errGetReplyFailed
+		return web.ErrGetReplyFailed
 	}
 	if req.User.ID != reply.UserID && !req.User.IsAdmin {
-		return _errNoPermission
+		return web.ErrNoPermission
 	}
 	// 执行删除
 	err = s.deletePostCommentReply(reply)
 	if err != nil {
 		logrus.Errorf("s.deletePostCommentReply err: %s", err)
-		return _errDeleteCommentFailed
+		return web.ErrDeleteCommentFailed
 	}
 	return nil
 }
@@ -359,7 +359,7 @@ func (s *privSrv) CreateCommentReply(req *web.CreateCommentReplyReq) (*web.Creat
 	)
 
 	if post, comment, atUserID, err = s.createPostPreHandler(req.CommentID, req.Uid, req.AtUserID); err != nil {
-		return nil, _errCreateReplyFailed
+		return nil, web.ErrCreateReplyFailed
 	}
 
 	// 创建评论
@@ -374,7 +374,7 @@ func (s *privSrv) CreateCommentReply(req *web.CreateCommentReplyReq) (*web.Creat
 
 	reply, err = s.Ds.CreateCommentReply(reply)
 	if err != nil {
-		return nil, _errCreateReplyFailed
+		return nil, web.ErrCreateReplyFailed
 	}
 
 	// 更新Post回复数
@@ -432,26 +432,26 @@ func (s *privSrv) DeleteComment(req *web.DeleteCommentReq) mir.Error {
 	comment, err := s.Ds.GetCommentByID(req.ID)
 	if err != nil {
 		logrus.Errorf("Ds.GetCommentByID err: %v\n", err)
-		return _errGetCommentFailed
+		return web.ErrGetCommentFailed
 	}
 	if req.User.ID != comment.UserID && !req.User.IsAdmin {
-		return _errNoPermission
+		return web.ErrNoPermission
 	}
 	// 加载post
 	post, err := s.Ds.GetPostByID(comment.PostID)
 	if err != nil {
-		return _errDeleteCommentFailed
+		return web.ErrDeleteCommentFailed
 	}
 	// 更新post回复数
 	post.CommentCount--
 	if err := s.Ds.UpdatePost(post); err != nil {
 		logrus.Errorf("Ds.UpdatePost err: %s", err)
-		return _errDeleteCommentFailed
+		return web.ErrDeleteCommentFailed
 	}
 	// TODO: 优化删除逻辑，事务化删除comment
 	if err := s.Ds.DeleteComment(comment); err != nil {
 		logrus.Errorf("Ds.DeleteComment err: %s", err)
-		return _errDeleteCommentFailed
+		return web.ErrDeleteCommentFailed
 	}
 	return nil
 }
@@ -478,7 +478,7 @@ func (s *privSrv) CreateComment(req *web.CreateCommentReq) (_ *web.CreateComment
 		return nil, xerror.ServerError
 	}
 	if post.CommentCount >= conf.AppSetting.MaxCommentCount {
-		return nil, _errMaxCommentCount
+		return nil, web.ErrMaxCommentCount
 	}
 	comment := &core.Comment{
 		PostID: post.ID,
@@ -489,7 +489,7 @@ func (s *privSrv) CreateComment(req *web.CreateCommentReq) (_ *web.CreateComment
 	comment, err = s.Ds.CreateComment(comment)
 	if err != nil {
 		logrus.Errorf("Ds.CreateComment err:%s", err)
-		return nil, _errCreateCommentFailed
+		return nil, web.ErrCreateCommentFailed
 	}
 
 	for _, item := range req.Contents {
@@ -595,14 +595,14 @@ func (s *privSrv) VisibleTweet(req *web.VisibleTweetReq) (*web.VisibleTweetResp,
 	}
 	post, err := s.Ds.GetPostByID(req.ID)
 	if err != nil {
-		return nil, _errVisblePostFailed
+		return nil, web.ErrVisblePostFailed
 	}
 	if xerr := checkPermision(req.User, post.UserID); xerr != nil {
 		return nil, xerr
 	}
 	if err = s.Ds.VisiblePost(post, req.Visibility); err != nil {
 		logrus.Warnf("s.Ds.VisiblePost: %s", err)
-		return nil, _errVisblePostFailed
+		return nil, web.ErrVisblePostFailed
 	}
 
 	// 推送Search
@@ -618,14 +618,14 @@ func (s *privSrv) StickTweet(req *web.StickTweetReq) (*web.StickTweetResp, mir.E
 	post, err := s.Ds.GetPostByID(req.ID)
 	if err != nil {
 		logrus.Errorf("Ds.GetPostByID err: %v\n", err)
-		return nil, _errStickPostFailed
+		return nil, web.ErrStickPostFailed
 	}
 	if !req.User.IsAdmin {
-		return nil, _errNoPermission
+		return nil, web.ErrNoPermission
 	}
 	newStatus := 1 - post.IsTop
 	if err = s.Ds.StickPost(post); err != nil {
-		return nil, _errStickPostFailed
+		return nil, web.ErrStickPostFailed
 	}
 	return &web.StickTweetResp{
 		StickStatus: newStatus,
@@ -635,14 +635,14 @@ func (s *privSrv) StickTweet(req *web.StickTweetReq) (*web.StickTweetResp, mir.E
 func (s *privSrv) LockTweet(req *web.LockTweetReq) (*web.LockTweetResp, mir.Error) {
 	post, err := s.Ds.GetPostByID(req.ID)
 	if err != nil {
-		return nil, _errLockPostFailed
+		return nil, web.ErrLockPostFailed
 	}
 	if post.UserID != req.User.ID && !req.User.IsAdmin {
-		return nil, _errNoPermission
+		return nil, web.ErrNoPermission
 	}
 	newStatus := 1 - post.IsLock
 	if err := s.Ds.LockPost(post); err != nil {
-		return nil, _errLockPostFailed
+		return nil, web.ErrLockPostFailed
 	}
 	return &web.LockTweetResp{
 		LockStatus: newStatus,
@@ -688,7 +688,7 @@ func (s *privSrv) createPostPreHandler(commentID int64, userID, atUserID int64)
 	}
 
 	if post.CommentCount >= conf.AppSetting.MaxCommentCount {
-		return nil, nil, atUserID, _errMaxCommentCount
+		return nil, nil, atUserID, web.ErrMaxCommentCount
 	}
 
 	if userID == atUserID {
@@ -715,7 +715,7 @@ func (s *privSrv) createPostStar(postID, userID int64) (*core.PostStar, mir.Erro
 	// 私密post不可操作
 	// TODO: 使用统一的permission checker来检查权限问题，这里好友可见post就没处理，是bug
 	if post.Visibility == core.PostVisitPrivate && post.UserID != userID {
-		return nil, _errNoPermission
+		return nil, web.ErrNoPermission
 	}
 
 	star, err := s.Ds.CreatePostStar(postID, userID)
@@ -741,7 +741,7 @@ func (s *privSrv) deletePostStar(star *core.PostStar) mir.Error {
 	// 私密post特殊处理
 	// TODO: 使用统一的permission checker来检查权限问题，这里好友可见post就没处理，是bug
 	if post.Visibility == core.PostVisitPrivate && post.UserID != star.UserID {
-		return _errNoPermission
+		return web.ErrNoPermission
 	}
 
 	if err = s.Ds.DeletePostStar(star); err != nil {
@@ -766,7 +766,7 @@ func (s *privSrv) createPostCollection(postID, userID int64) (*core.PostCollecti
 	// 私密post特殊处理
 	// TODO: 使用统一的permission checker来检查权限问题，这里好友可见post就没处理，是bug
 	if post.Visibility == core.PostVisitPrivate && post.UserID != userID {
-		return nil, _errNoPermission
+		return nil, web.ErrNoPermission
 	}
 
 	collection, err := s.Ds.CreatePostCollection(postID, userID)
@@ -792,7 +792,7 @@ func (s *privSrv) deletePostCollection(collection *core.PostCollection) mir.Erro
 	// 私密post特殊处理
 	// TODO: 使用统一的permission checker来检查权限问题，这里好友可见post就没处理，是bug
 	if post.Visibility == core.PostVisitPrivate && post.UserID != collection.UserID {
-		return _errNoPermission
+		return web.ErrNoPermission
 	}
 	if err = s.Ds.DeletePostCollection(collection); err != nil {
 		return xerror.ServerError
@@ -814,7 +814,7 @@ func (s *privSrv) checkPostAttachmentIsPaid(postID, userID int64) bool {
 
 func (s *privSrv) buyPostAttachment(post *core.Post, user *core.User) mir.Error {
 	if user.Balance < post.AttachmentPrice {
-		return _errInsuffientDownloadMoney
+		return web.ErrInsuffientDownloadMoney
 	}
 	// 执行购买
 	if err := s.Ds.HandlePostAttachmentBought(post, user); err != nil {
diff --git a/internal/servants/web/pub.go b/internal/servants/web/pub.go
index 6967d3c3..b91851bc 100644
--- a/internal/servants/web/pub.go
+++ b/internal/servants/web/pub.go
@@ -45,15 +45,15 @@ type pubSrv struct {
 func (s *pubSrv) TweetDetail(req *web.TweetDetailReq) (*web.TweetDetailResp, mir.Error) {
 	post, err := s.Ds.GetPostByID(req.TweetId)
 	if err != nil {
-		return nil, _errGetPostFailed
+		return nil, web.ErrGetPostFailed
 	}
 	postContents, err := s.Ds.GetPostContentsByIDs([]int64{post.ID})
 	if err != nil {
-		return nil, _errGetPostFailed
+		return nil, web.ErrGetPostFailed
 	}
 	users, err := s.Ds.GetUsersByIDs([]int64{post.UserID})
 	if err != nil {
-		return nil, _errGetPostFailed
+		return nil, web.ErrGetPostFailed
 	}
 	// 数据整合
 	postFormated := post.Format()
@@ -74,13 +74,13 @@ func (s *pubSrv) SendCaptcha(req *web.SendCaptchaReq) mir.Error {
 	// 验证图片验证码
 	if captcha, err := s.Redis.GetImgCaptcha(ctx, req.ImgCaptchaID); err != nil || string(captcha) != req.ImgCaptcha {
 		logrus.Debugf("get captcha err:%s expect:%s got:%s", err, captcha, req.ImgCaptcha)
-		return _errErrorCaptchaPassword
+		return web.ErrErrorCaptchaPassword
 	}
 	s.Redis.DelImgCaptcha(ctx, req.ImgCaptchaID)
 
 	// 今日频次限制
 	if count, _ := s.Redis.GetCountSmsCaptcha(ctx, req.Phone); count >= _MaxPhoneCaptcha {
-		return _errTooManyPhoneCaptchaSend
+		return web.ErrTooManyPhoneCaptchaSend
 	}
 
 	if err := s.Ds.SendPhoneCaptcha(req.Phone); err != nil {
@@ -119,7 +119,7 @@ func (s *pubSrv) GetCaptcha() (*web.GetCaptchaResp, mir.Error) {
 
 func (s *pubSrv) Register(req *web.RegisterReq) (*web.RegisterResp, mir.Error) {
 	if _disallowUserRegister {
-		return nil, _errDisallowUserRegister
+		return nil, web.ErrDisallowUserRegister
 	}
 	// 用户名检查
 	if err := s.validUsername(req.Username); err != nil {
@@ -128,7 +128,7 @@ func (s *pubSrv) Register(req *web.RegisterReq) (*web.RegisterResp, mir.Error) {
 	// 密码检查
 	if err := checkPassword(req.Password); err != nil {
 		logrus.Errorf("scheckPassword err: %v", err)
-		return nil, _errUserRegisterFailed
+		return nil, web.ErrUserRegisterFailed
 	}
 	password, salt := encryptPasswordAndSalt(req.Password)
 	user := &core.User{
@@ -142,7 +142,7 @@ func (s *pubSrv) Register(req *web.RegisterReq) (*web.RegisterResp, mir.Error) {
 	user, err := s.Ds.CreateUser(user)
 	if err != nil {
 		logrus.Errorf("Ds.CreateUser err: %s", err)
-		return nil, _errUserRegisterFailed
+		return nil, web.ErrUserRegisterFailed
 	}
 	return &web.RegisterResp{
 		UserId:   user.ID,
@@ -160,12 +160,12 @@ func (s *pubSrv) Login(req *web.LoginReq) (*web.LoginResp, mir.Error) {
 
 	if user.Model != nil && user.ID > 0 {
 		if count, err := s.Redis.GetCountLoginErr(ctx, user.ID); err == nil && count >= _MaxLoginErrTimes {
-			return nil, _errTooManyLoginError
+			return nil, web.ErrTooManyLoginError
 		}
 		// 对比密码是否正确
 		if validPassword(user.Password, req.Password, user.Salt) {
 			if user.Status == core.UserStatusClosed {
-				return nil, _errUserHasBeenBanned
+				return nil, web.ErrUserHasBeenBanned
 			}
 			// 清空登录计数
 			s.Redis.DelCountLoginErr(ctx, user.ID)
@@ -198,17 +198,17 @@ func (s *pubSrv) Version() (*web.VersionResp, mir.Error) {
 func (s *pubSrv) validUsername(username string) mir.Error {
 	// 检测用户是否合规
 	if utf8.RuneCountInString(username) < 3 || utf8.RuneCountInString(username) > 12 {
-		return _errUsernameLengthLimit
+		return web.ErrUsernameLengthLimit
 	}
 
 	if !regexp.MustCompile(`^[a-zA-Z0-9]+$`).MatchString(username) {
-		return _errUsernameCharLimit
+		return web.ErrUsernameCharLimit
 	}
 
 	// 重复检查
 	user, _ := s.Ds.GetUserByUsername(username)
 	if user.Model != nil && user.ID > 0 {
-		return _errUsernameHasExisted
+		return web.ErrUsernameHasExisted
 	}
 	return nil
 }
diff --git a/internal/servants/web/utils.go b/internal/servants/web/utils.go
index b795d939..8bbfc06e 100644
--- a/internal/servants/web/utils.go
+++ b/internal/servants/web/utils.go
@@ -82,7 +82,7 @@ func getRandomAvatar() string {
 func checkPassword(password string) mir.Error {
 	// 检测用户是否合规
 	if utf8.RuneCountInString(password) < 6 || utf8.RuneCountInString(password) > 16 {
-		return _errPasswordLengthLimit
+		return web.ErrPasswordLengthLimit
 	}
 	return nil
 }
@@ -144,7 +144,7 @@ func fileCheck(uploadType string, size int64) mir.Error {
 		return xerror.InvalidParams
 	}
 	if size > 1024*1024*100 {
-		return _errFileInvalidSize.WithDetails("最大允许100MB")
+		return web.ErrFileInvalidSize.WithDetails("最大允许100MB")
 	}
 	return nil
 }
@@ -169,7 +169,7 @@ func getFileExt(s string) (string, mir.Error) {
 		"application/x-zip-compressed":
 		return ".zip", nil
 	default:
-		return "", _errFileInvalidExt.WithDetails("仅允许 png/jpg/gif/mp4/mov/zip 类型")
+		return "", web.ErrFileInvalidExt.WithDetails("仅允许 png/jpg/gif/mp4/mov/zip 类型")
 	}
 }
 
@@ -202,7 +202,7 @@ func tagsFrom(originTags []string) []string {
 // checkPermision 检查是否拥有者或管理员
 func checkPermision(user *core.User, targetUserId int64) mir.Error {
 	if user == nil || (user.ID != targetUserId && !user.IsAdmin) {
-		return _errNoPermission
+		return web.ErrNoPermission
 	}
 	return nil
 }
diff --git a/internal/servants/web/xerror.go b/internal/servants/web/xerror.go
deleted file mode 100644
index aacf9a01..00000000
--- a/internal/servants/web/xerror.go
+++ /dev/null
@@ -1,93 +0,0 @@
-// Copyright 2022 ROC. All rights reserved.
-// Use of this source code is governed by a MIT style
-// license that can be found in the LICENSE file.
-
-package web
-
-import (
-	"github.com/rocboss/paopao-ce/pkg/xerror"
-)
-
-// nolint
-var (
-	_errUsernameHasExisted      = xerror.NewError(20001, "用户名已存在")
-	_errUsernameLengthLimit     = xerror.NewError(20002, "用户名长度3~12")
-	_errUsernameCharLimit       = xerror.NewError(20003, "用户名只能包含字母、数字")
-	_errPasswordLengthLimit     = xerror.NewError(20004, "密码长度6~16")
-	_errUserRegisterFailed      = xerror.NewError(20005, "用户注册失败")
-	_errUserHasBeenBanned       = xerror.NewError(20006, "该账户已被封停")
-	_errNoPermission            = xerror.NewError(20007, "无权限执行该请求")
-	_errUserHasBindOTP          = xerror.NewError(20008, "当前用户已绑定二次验证")
-	_errUserOTPInvalid          = xerror.NewError(20009, "二次验证码验证失败")
-	_errUserNoBindOTP           = xerror.NewError(20010, "当前用户未绑定二次验证")
-	_errErrorOldPassword        = xerror.NewError(20011, "当前用户密码验证失败")
-	_errErrorCaptchaPassword    = xerror.NewError(20012, "图形验证码验证失败")
-	_errAccountNoPhoneBind      = xerror.NewError(20013, "拒绝操作: 账户未绑定手机号")
-	_errTooManyLoginError       = xerror.NewError(20014, "登录失败次数过多，请稍后再试")
-	_errGetPhoneCaptchaError    = xerror.NewError(20015, "短信验证码获取失败")
-	_errTooManyPhoneCaptchaSend = xerror.NewError(20016, "短信验证码获取次数已达今日上限")
-	_errExistedUserPhone        = xerror.NewError(20017, "该手机号已被绑定")
-	_errErrorPhoneCaptcha       = xerror.NewError(20018, "手机验证码不正确")
-	_errMaxPhoneCaptchaUseTimes = xerror.NewError(20019, "手机验证码已达最大使用次数")
-	_errNicknameLengthLimit     = xerror.NewError(20020, "昵称长度2~12")
-	_errNoExistUsername         = xerror.NewError(20021, "用户不存在")
-	_errNoAdminPermission       = xerror.NewError(20022, "无管理权限")
-	_errDisallowUserRegister    = xerror.NewError(20023, "系统不允许注册用户")
-
-	_errGetPostsFailed          = xerror.NewError(30001, "获取动态列表失败")
-	_errCreatePostFailed        = xerror.NewError(30002, "动态发布失败")
-	_errGetPostFailed           = xerror.NewError(30003, "获取动态详情失败")
-	_errDeletePostFailed        = xerror.NewError(30004, "动态删除失败")
-	_errLockPostFailed          = xerror.NewError(30005, "动态锁定失败")
-	_errGetPostTagsFailed       = xerror.NewError(30006, "获取话题列表失败")
-	_errInvalidDownloadReq      = xerror.NewError(30007, "附件下载请求不合法")
-	_errDownloadReqError        = xerror.NewError(30008, "附件下载请求失败")
-	_errInsuffientDownloadMoney = xerror.NewError(30009, "附件下载失败:账户资金不足")
-	_errDownloadExecFail        = xerror.NewError(30010, "附件下载失败:扣费失败")
-	_errStickPostFailed         = xerror.NewError(30011, "动态置顶失败")
-	_errVisblePostFailed        = xerror.NewError(30012, "更新可见性失败")
-
-	_errGetCommentsFailed   = xerror.NewError(40001, "获取评论列表失败")
-	_errCreateCommentFailed = xerror.NewError(40002, "评论发布失败")
-	_errGetCommentFailed    = xerror.NewError(40003, "获取评论详情失败")
-	_errDeleteCommentFailed = xerror.NewError(40004, "评论删除失败")
-	_errCreateReplyFailed   = xerror.NewError(40005, "评论回复失败")
-	_errGetReplyFailed      = xerror.NewError(40006, "获取评论详情失败")
-	_errMaxCommentCount     = xerror.NewError(40007, "评论数已达最大限制")
-	_errGetCommentThumbs    = xerror.NewError(40008, "获取评论点赞信息失败")
-
-	_errGetMessagesFailed = xerror.NewError(50001, "获取消息列表失败")
-	_errReadMessageFailed = xerror.NewError(50002, "标记消息已读失败")
-	_errSendWhisperFailed = xerror.NewError(50003, "私信发送失败")
-	_errNoWhisperToSelf   = xerror.NewError(50004, "不允许给自己发送私信")
-	_errTooManyWhisperNum = xerror.NewError(50005, "今日私信次数已达上限")
-
-	_errGetCollectionsFailed = xerror.NewError(60001, "获取收藏列表失败")
-	_errGetStarsFailed       = xerror.NewError(60002, "获取点赞列表失败")
-
-	_errRechargeReqFail       = xerror.NewError(70001, "充值请求失败")
-	_errRechargeNotifyError   = xerror.NewError(70002, "充值回调失败")
-	_errGetRechargeFailed     = xerror.NewError(70003, "充值详情获取失败")
-	_errUserWalletBillsFailed = xerror.NewError(70004, "用户钱包账单获取失败")
-
-	_errNoRequestingFriendToSelf   = xerror.NewError(80001, "不允许添加自己为好友")
-	_errNotExistFriendId           = xerror.NewError(80002, "好友id不存在")
-	_errSendRequestingFriendFailed = xerror.NewError(80003, "申请添加朋友请求发送失败")
-	_errAddFriendFailed            = xerror.NewError(80004, "添加好友失败")
-	_errRejectFriendFailed         = xerror.NewError(80005, "拒绝好友失败")
-	_errDeleteFriendFailed         = xerror.NewError(80006, "删除好友失败")
-	_errGetContactsFailed          = xerror.NewError(80007, "获取联系人列表失败")
-	_errNoActionToSelf             = xerror.NewError(80008, "不允许对自己操作")
-
-	_errFollowTopicFailed      = xerror.NewError(90001, "关注话题失败")
-	_errUnfollowTopicFailed    = xerror.NewError(90002, "取消关注话题失败")
-	_errStickTopicFailed       = xerror.NewError(90003, "更行话题置顶状态失败")
-	_errThumbsUpTweetComment   = xerror.NewError(90101, "评论点赞失败")
-	_errThumbsDownTweetComment = xerror.NewError(90102, "评论点踩失败")
-	_errThumbsUpTweetReply     = xerror.NewError(90103, "评论回复点赞失败")
-	_errThumbsDownTweetReply   = xerror.NewError(90104, "评论回复点踩失败")
-
-	_errFileUploadFailed = xerror.NewError(10200, "文件上传失败")
-	_errFileInvalidExt   = xerror.NewError(10201, "文件类型不合法")
-	_errFileInvalidSize  = xerror.NewError(10202, "文件大小超限")
-)