diff --git a/app/users/api/etc/user-api.yaml b/app/users/api/etc/users-api.yaml
similarity index 100%
rename from app/users/api/etc/user-api.yaml
rename to app/users/api/etc/users-api.yaml
diff --git a/app/users/api/internal/logic/auth/loginLogic.go b/app/users/api/internal/logic/auth/loginLogic.go
index ed87ff7..808b92a 100644
--- a/app/users/api/internal/logic/auth/loginLogic.go
+++ b/app/users/api/internal/logic/auth/loginLogic.go
@@ -6,9 +6,11 @@ package auth
 import (
 	"context"
 	"errors"
-	"juwan-backend/app/users/rpc/usercenter"
+	"strconv"
 	"time"
 
+	"juwan-backend/app/users/rpc/usercenter"
+
 	"juwan-backend/app/users/api/internal/svc"
 	"juwan-backend/app/users/api/internal/types"
 
@@ -65,6 +67,7 @@ func (l *LoginLogic) Login(req *types.LoginReq) (*types.LoginResp, string, error
 		logx.Errorf("copier.Copy err: %v", err)
 		return nil, "", errors.New("copy user failed")
 	}
+	user.Id = strconv.FormatInt(userResp.Users.Id, 10)
 	var verificationStatus map[string]string
 	err = json.Unmarshal([]byte(userResp.Users.VerificationStatus), &verificationStatus)
 	if err != nil {
diff --git a/app/users/api/internal/logic/auth/registerLogic.go b/app/users/api/internal/logic/auth/registerLogic.go
index 53a68d4..b6210e5 100644
--- a/app/users/api/internal/logic/auth/registerLogic.go
+++ b/app/users/api/internal/logic/auth/registerLogic.go
@@ -7,12 +7,14 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"regexp"
+	"strconv"
+	"time"
+
 	"juwan-backend/app/users/rpc/pb"
 	"juwan-backend/app/users/rpc/usercenter"
 	"juwan-backend/common/utils/contextj"
 	"juwan-backend/common/utils/pwdUtils"
-	"regexp"
-	"time"
 
 	"juwan-backend/app/users/api/internal/svc"
 	"juwan-backend/app/users/api/internal/types"
@@ -95,6 +97,7 @@ func (l *RegisterLogic) Register(req *types.RegisterReq) (*types.RegisterResp, s
 		logx.Errorf("copier.Copy err: %v", err)
 		return nil, "", errors.New("copy user failed")
 	}
+	user.Id = strconv.FormatInt(userResp.Users.Id, 10)
 	var verificationStatus map[string]string
 	err = json.Unmarshal([]byte(userResp.Users.VerificationStatus), &verificationStatus)
 	if err != nil {
diff --git a/app/users/api/internal/logic/user/followUserLogic.go b/app/users/api/internal/logic/user/followUserLogic.go
index 2ab73b6..8f8eb54 100644
--- a/app/users/api/internal/logic/user/followUserLogic.go
+++ b/app/users/api/internal/logic/user/followUserLogic.go
@@ -6,6 +6,8 @@ package user
 import (
 	"context"
 	"errors"
+	"strconv"
+
 	"juwan-backend/app/users/rpc/usercenter"
 	"juwan-backend/common/utils/contextj"
 
@@ -31,15 +33,19 @@ func NewFollowUserLogic(ctx context.Context, svcCtx *svc.ServiceContext) *Follow
 }
 
 func (l *FollowUserLogic) FollowUser(req *types.FollowUserReq) (resp *types.EmptyResp, err error) {
-	// todo: add your logic here and delete this line
 	userId, err := contextj.UserIDFrom(l.ctx)
 	if err != nil {
 		return nil, errors.New("unauthorized")
 	}
 
+	followeeId, err := strconv.ParseInt(req.Id, 10, 64)
+	if err != nil {
+		return nil, errors.New("invalid user id")
+	}
+
 	_, err = l.svcCtx.UserRpc.AddUserFollows(l.ctx, &usercenter.AddUserFollowsReq{
 		FollowerId: userId,
-		FolloweeId: req.Id,
+		FolloweeId: followeeId,
 		CreatedAt:  0,
 	})
 	if err != nil {
diff --git a/app/users/api/internal/logic/user/getMeLogic.go b/app/users/api/internal/logic/user/getMeLogic.go
index f274e81..0243577 100644
--- a/app/users/api/internal/logic/user/getMeLogic.go
+++ b/app/users/api/internal/logic/user/getMeLogic.go
@@ -6,11 +6,13 @@ package user
 import (
 	"context"
 	"errors"
+	"strconv"
+	"time"
+
 	"juwan-backend/app/users/api/internal/svc"
 	"juwan-backend/app/users/api/internal/types"
 	"juwan-backend/app/users/rpc/usercenter"
 	"juwan-backend/common/utils/contextj"
-	"time"
 
 	"github.com/jinzhu/copier"
 	"github.com/zeromicro/go-zero/core/logx"
@@ -56,6 +58,7 @@ func (l *GetMeLogic) GetMe() (resp *types.User, err error) {
 		return nil, errors.New("copy user failed")
 	}
 
+	resp.Id = strconv.FormatInt(user.Users.Id, 10)
 	var verificationStatus map[string]string
 	err = json.Unmarshal([]byte(user.Users.VerificationStatus), &verificationStatus)
 	if err != nil {
diff --git a/app/users/api/internal/logic/user/getUserInfoLogic.go b/app/users/api/internal/logic/user/getUserInfoLogic.go
index 3bec0e3..92da70e 100644
--- a/app/users/api/internal/logic/user/getUserInfoLogic.go
+++ b/app/users/api/internal/logic/user/getUserInfoLogic.go
@@ -6,6 +6,8 @@ package user
 import (
 	"context"
 	"errors"
+	"strconv"
+
 	"juwan-backend/app/users/api/internal/svc"
 	"juwan-backend/app/users/api/internal/types"
 	"juwan-backend/app/users/rpc/usercenter"
@@ -30,9 +32,13 @@ func NewGetUserInfoLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetUs
 }
 
 func (l *GetUserInfoLogic) GetUserInfo(req *types.GetUserReq) (resp types.User, err error) {
+	targetId, err := strconv.ParseInt(req.Id, 10, 64)
+	if err != nil {
+		return types.User{}, errors.New("invalid user id")
+	}
 
 	pbUser, err := l.svcCtx.UserRpc.GetUsersById(l.ctx, &usercenter.GetUsersByIdReq{
-		Id: req.Id,
+		Id: targetId,
 	})
 	if err != nil {
 		return types.User{}, errors.New("failed to get user info by userid")
@@ -44,6 +50,7 @@ func (l *GetUserInfoLogic) GetUserInfo(req *types.GetUserReq) (resp types.User,
 		logx.Errorf("struct to user info failed, err:%v.", err)
 		return types.User{}, errors.New("failed to get user info by userid")
 	}
+	user.Id = strconv.FormatInt(pbUser.Users.Id, 10)
 	user.Role = pbUser.Users.CurrentRole
 
 	return user, nil
diff --git a/app/users/api/internal/logic/user/unfollowUserLogic.go b/app/users/api/internal/logic/user/unfollowUserLogic.go
index 10c9e88..1de700d 100644
--- a/app/users/api/internal/logic/user/unfollowUserLogic.go
+++ b/app/users/api/internal/logic/user/unfollowUserLogic.go
@@ -6,6 +6,8 @@ package user
 import (
 	"context"
 	"errors"
+	"strconv"
+
 	"juwan-backend/app/users/rpc/usercenter"
 	"juwan-backend/common/utils/contextj"
 
@@ -31,14 +33,18 @@ func NewUnfollowUserLogic(ctx context.Context, svcCtx *svc.ServiceContext) *Unfo
 }
 
 func (l *UnfollowUserLogic) UnfollowUser(req *types.UnfollowUserReq) (resp *types.EmptyResp, err error) {
-	// todo: add your logic here and delete this line
 	userId, err := contextj.UserIDFrom(l.ctx)
 	if err != nil {
 		return nil, errors.New("unauthorized")
 	}
 
+	targetId, err := strconv.ParseInt(req.Id, 10, 64)
+	if err != nil {
+		return nil, errors.New("invalid user id")
+	}
+
 	_, err = l.svcCtx.UserRpc.DelUserFollows(l.ctx, &usercenter.DelUserFollowsReq{
-		Id:     req.Id,
+		Id:     targetId,
 		UserId: userId,
 	})
 	if err != nil {
diff --git a/app/users/api/internal/logic/user/updateMeLogic.go b/app/users/api/internal/logic/user/updateMeLogic.go
index d3c5a79..f6f0015 100644
--- a/app/users/api/internal/logic/user/updateMeLogic.go
+++ b/app/users/api/internal/logic/user/updateMeLogic.go
@@ -6,11 +6,13 @@ package user
 import (
 	"context"
 	"errors"
+	"strconv"
+	"strings"
+	"time"
+
 	"juwan-backend/app/users/rpc/usercenter"
 	"juwan-backend/common/converter"
 	"juwan-backend/common/utils/contextj"
-	"strings"
-	"time"
 
 	"juwan-backend/app/users/api/internal/svc"
 	"juwan-backend/app/users/api/internal/types"
@@ -64,6 +66,7 @@ func (l *UpdateMeLogic) UpdateMe(req *types.UpdateUserProfileReq) (resp *types.U
 		return nil, errors.New("get user failed")
 	}
 
+	resp.Id = strconv.FormatInt(user.Users.Id, 10)
 	var verificationStatus map[string]string
 	err = json.Unmarshal([]byte(user.Users.VerificationStatus), &verificationStatus)
 	if err != nil {
diff --git a/app/users/api/internal/types/types.go b/app/users/api/internal/types/types.go
index ea87a85..b21d69b 100644
--- a/app/users/api/internal/types/types.go
+++ b/app/users/api/internal/types/types.go
@@ -12,7 +12,7 @@ type EmptyResp struct {
 }
 
 type FollowUserReq struct {
-	Id int64 `path:"id"`
+	Id string `path:"id"`
 }
 
 type GetMyVerificationsResp struct {
@@ -32,7 +32,7 @@ type GetPendingListResp struct {
 }
 
 type GetUserReq struct {
-	Id int64 `path:"id"`
+	Id string `path:"id"`
 }
 
 type LoginReq struct {
@@ -85,7 +85,7 @@ type SwitchRoleReq struct {
 }
 
 type UnfollowUserReq struct {
-	Id int64 `path:"id"`
+	Id string `path:"id"`
 }
 
 type UpdateNotifySettingsReq struct {
@@ -105,7 +105,7 @@ type UpdateUserProfileReq struct {
 }
 
 type User struct {
-	Id                 int64             `json:"id"`
+	Id                 string            `json:"id"`
 	Username           string            `json:"username"`
 	Nickname           string            `json:"nickname"`
 	Avatar             string            `json:"avatar"`
diff --git a/app/users/api/users.go b/app/users/api/users.go
index 3df890f..59cc36a 100644
--- a/app/users/api/users.go
+++ b/app/users/api/users.go
@@ -1,22 +1,22 @@
 // Code scaffolded by goctl. Safe to edit.
-// goctl 1.9.2
+// goctl 1.10.1
 
 package main
 
 import (
 	"flag"
 	"fmt"
-	"juwan-backend/common/middlewares"
 
 	"juwan-backend/app/users/api/internal/config"
 	"juwan-backend/app/users/api/internal/handler"
 	"juwan-backend/app/users/api/internal/svc"
+	"juwan-backend/common/middlewares"
 
 	"github.com/zeromicro/go-zero/core/conf"
 	"github.com/zeromicro/go-zero/rest"
 )
 
-var configFile = flag.String("f", "etc/user-api.yaml", "the config file")
+var configFile = flag.String("f", "etc/users-api.yaml", "the config file")
 
 func main() {
 	flag.Parse()
diff --git a/desc/api/users.api b/desc/api/users.api
index c8e41ac..c3c2058 100644
--- a/desc/api/users.api
+++ b/desc/api/users.api
@@ -70,7 +70,7 @@ type (
 	EmptyResp  {}
 	// 用户信息核心模型 (User)
 	User {
-		Id                 int64             `json:"id"`
+		Id                 string            `json:"id"`
 		Username           string            `json:"username"`
 		Nickname           string            `json:"nickname"`
 		Avatar             string            `json:"avatar"`
@@ -142,13 +142,13 @@ type (
 // =================================================================================
 type (
 	GetUserReq {
-		Id int64 `path:"id"`
+		Id string `path:"id"`
 	}
 	FollowUserReq {
-		Id int64 `path:"id"`
+		Id string `path:"id"`
 	}
 	UnfollowUserReq {
-		Id int64 `path:"id"`
+		Id string `path:"id"`
 	}
 )
 
@@ -159,7 +159,7 @@ type (
 	group:  auth
 	prefix: /api/v1/auth
 )
-service user-api {
+service users-api {
 	@doc "用户注册"
 	@handler Register
 	post /register (RegisterReq) returns (RegisterResp)
@@ -177,7 +177,7 @@ service user-api {
 	group:  auth
 	prefix: /api/v1/auth
 )
-service user-api {
+service users-api {
 	@doc "退出登录"
 	@handler Logout
 	post /logout (LogoutReq) returns (EmptyResp)
@@ -188,7 +188,7 @@ service user-api {
 	prefix:     /api/v1/users
 	middleware: Logger
 )
-service user-api {
+service users-api {
 	@doc "获取当前登录用户信息"
 	@handler GetMe
 	get /me returns (User)
@@ -223,7 +223,7 @@ service user-api {
 	group:  user
 	prefix: /api/v1/users
 )
-service user-api {
+service users-api {
 	@doc "获取指定用户信息"
 	@handler GetUserInfo
 	get /:id (GetUserReq) returns (User)
@@ -233,7 +233,7 @@ service user-api {
 	group:  verification_user
 	prefix: /api/v1/users
 )
-service user-api {
+service users-api {
 	@doc "提交或修改角色认证申请 (支持幂等更新)"
 	@handler ApplyVerification
 	post /me/verification (ApplyVerificationReq) returns (VerificationEmptyResp)
@@ -247,7 +247,7 @@ service user-api {
 	group:  verification_admin
 	prefix: /api/v1/admin
 )
-service user-api {
+service users-api {
 	@doc "管理员获取认证申请列表 (分页)"
 	@handler GetVerifications
 	get /verifications (GetPendingListReq) returns (GetPendingListResp)