diff --git a/pkg/apiserver/domain/service/project.go b/pkg/apiserver/domain/service/project.go
index fbd4a29d0..8f23c6238 100644
--- a/pkg/apiserver/domain/service/project.go
+++ b/pkg/apiserver/domain/service/project.go
@@ -383,9 +383,28 @@ func (p *projectServiceImpl) ListProjectUser(ctx context.Context, projectName st
 	if err != nil {
 		return nil, err
 	}
+	var usernames []string
+	for _, entity := range entities {
+		usernames = append(usernames, entity.(*model.ProjectUser).Username)
+	}
+	var userMap = make(map[string]*model.User, len(usernames))
+	if len(usernames) > 0 {
+		users, _ := p.Store.List(ctx, &model.User{}, &datastore.ListOptions{
+			FilterOptions: datastore.FilterOptions{
+				In: []datastore.InQueryOption{
+					{Key: "name", Values: usernames},
+				},
+			},
+		})
+		for i := range users {
+			user := users[i].(*model.User)
+			userMap[user.Name] = user
+		}
+	}
 	var res apisv1.ListProjectUsersResponse
 	for _, entity := range entities {
-		res.Users = append(res.Users, ConvertProjectUserModel2Base(entity.(*model.ProjectUser)))
+		projectUser := entity.(*model.ProjectUser)
+		res.Users = append(res.Users, ConvertProjectUserModel2Base(projectUser, userMap[projectUser.Username]))
 	}
 	count, err := p.Store.Count(ctx, &projectUser, nil)
 	if err != nil {
@@ -400,7 +419,7 @@ func (p *projectServiceImpl) AddProjectUser(ctx context.Context, projectName str
 	if err != nil {
 		return nil, err
 	}
-	_, err = p.UserService.GetUser(ctx, req.UserName)
+	user, err := p.UserService.GetUser(ctx, req.UserName)
 	if err != nil {
 		return nil, err
 	}
@@ -428,7 +447,7 @@ func (p *projectServiceImpl) AddProjectUser(ctx context.Context, projectName str
 		}
 		return nil, err
 	}
-	return ConvertProjectUserModel2Base(&projectUser), nil
+	return ConvertProjectUserModel2Base(&projectUser, user), nil
 }
 
 func (p *projectServiceImpl) DeleteProjectUser(ctx context.Context, projectName string, userName string) error {
@@ -454,6 +473,10 @@ func (p *projectServiceImpl) UpdateProjectUser(ctx context.Context, projectName
 	if err != nil {
 		return nil, err
 	}
+	user, err := p.UserService.GetUser(ctx, userName)
+	if err != nil {
+		return nil, err
+	}
 	// check user roles
 	for _, role := range req.UserRoles {
 		var projectUser = model.Role{
@@ -481,7 +504,7 @@ func (p *projectServiceImpl) UpdateProjectUser(ctx context.Context, projectName
 	if err := p.Store.Put(ctx, &projectUser); err != nil {
 		return nil, err
 	}
-	return ConvertProjectUserModel2Base(&projectUser), nil
+	return ConvertProjectUserModel2Base(&projectUser, user), nil
 }
 
 func (p *projectServiceImpl) GetConfigs(ctx context.Context, projectName, configType string) ([]*apisv1.Config, error) {
@@ -592,13 +615,16 @@ func ConvertProjectModel2Base(project *model.Project, owner *model.User) *apisv1
 }
 
 // ConvertProjectUserModel2Base convert project user model to base struct
-func ConvertProjectUserModel2Base(user *model.ProjectUser) *apisv1.ProjectUserBase {
+func ConvertProjectUserModel2Base(user *model.ProjectUser, userModel *model.User) *apisv1.ProjectUserBase {
 	base := &apisv1.ProjectUserBase{
 		UserName:   user.Username,
 		UserRoles:  user.UserRoles,
 		CreateTime: user.CreateTime,
 		UpdateTime: user.UpdateTime,
 	}
+	if userModel != nil {
+		base.UserAlias = userModel.Alias
+	}
 	return base
 }
 
diff --git a/pkg/apiserver/domain/service/project_test.go b/pkg/apiserver/domain/service/project_test.go
index e453fcf48..60ba73484 100644
--- a/pkg/apiserver/domain/service/project_test.go
+++ b/pkg/apiserver/domain/service/project_test.go
@@ -227,6 +227,11 @@ var _ = Describe("Test project service functions", func() {
 			UserRoles: []string{"project-admin"},
 		})
 		Expect(err).Should(BeNil())
+
+		users, err := projectService.ListProjectUser(context.TODO(), "test-project", 0, 0)
+		Expect(err).Should(BeNil())
+		Expect(len(users.Users)).Should(Equal(1))
+		Expect(users.Users[0].UserAlias).Should(Equal("Administrator"))
 	})
 
 	It("Test Update project user function", func() {
diff --git a/pkg/apiserver/interfaces/api/dto/v1/types.go b/pkg/apiserver/interfaces/api/dto/v1/types.go
index 0321a5079..915ab1a70 100644
--- a/pkg/apiserver/interfaces/api/dto/v1/types.go
+++ b/pkg/apiserver/interfaces/api/dto/v1/types.go
@@ -1275,6 +1275,7 @@ type DetailUserResponse struct {
 // ProjectUserBase project user base
 type ProjectUserBase struct {
 	UserName   string    `json:"name"`
+	UserAlias  string    `json:"alias"`
 	UserRoles  []string  `json:"userRoles"`
 	CreateTime time.Time `json:"createTime"`
 	UpdateTime time.Time `json:"updateTime"`