diff --git a/manage/user.go b/manage/user.go
index bce2e03..ae273ab 100644
--- a/manage/user.go
+++ b/manage/user.go
@@ -1677,3 +1677,59 @@ func (m *Manager) PublicUserInfoByUserId(userId string) (*modelexts.User, *perro
 
 	return userExt, nil
 }
+
+func (m *Manager) PublicUserInfoByUserIdOrName(userIdOrName string) (*modelexts.User, *perror.PlutoError) {
+	users, err := models.Users(qm.Where("user_id = ? OR name = ?", userIdOrName, userIdOrName)).All(m.db)
+	if err != nil {
+		return nil, perror.ServerError.Wrapper(err)
+	}
+
+	// 优先精确匹配 user_id
+	var user *models.User
+	for _, u := range users {
+		if u.UserID == userIdOrName {
+			user = u
+			break
+		}
+	}
+	if user == nil {
+		// name 不保证唯一，仅当昵称唯一匹配时才按昵称查找，避免定位到错误用户
+		for _, u := range users {
+			if u.Name != userIdOrName {
+				continue
+			}
+			if user != nil {
+				return nil, perror.UserNotExist
+			}
+			user = u
+		}
+	}
+	if user == nil {
+		return nil, perror.UserNotExist
+	}
+
+	bindings, err := models.Bindings(qm.Where("user_id = ?", user.ID)).All(m.db)
+
+	if err != nil {
+		return nil, perror.ServerError.Wrapper(err)
+	}
+
+	userExt := &modelexts.User{
+		User:     user,
+		Bindings: bindings,
+	}
+
+	return userExt, nil
+}
+
+func (m *Manager) SearchUsersByName(name string) ([]*models.User, *perror.PlutoError) {
+	users, err := models.Users(
+		qm.Where("name LIKE ?", "%"+name+"%"),
+		qm.Limit(20),
+	).All(m.db)
+	if err != nil {
+		return nil, perror.ServerError.Wrapper(err)
+	}
+
+	return users, nil
+}
diff --git a/modelexts/exts.go b/modelexts/exts.go
index cce6f75..b06d2d2 100644
--- a/modelexts/exts.go
+++ b/modelexts/exts.go
@@ -46,6 +46,12 @@ func (u User) PublicInfo() map[string]interface{} {
 	return res
 }
 
+func (u User) SearchInfo() map[string]interface{} {
+	res := u.PublicInfo()
+	res["user_id"] = u.User.UserID
+	return res
+}
+
 type Scopes struct {
 	Application *models.Application `json:"application"`
 	Scopes      []*models.RbacScope `json:"scopes"`
diff --git a/route/v1.go b/route/v1.go
index f63cdae..388c2d7 100644
--- a/route/v1.go
+++ b/route/v1.go
@@ -120,6 +120,20 @@ func (r *Router) registerUserV1Routes(prefix string) {
 			middle:      middleware.NoAuthMiddleware,
 			handler:     r.v1.PublicUserInfoByUserId,
 		},
+		{
+			path:        "/info/identity/{userIdOrName}/public",
+			description: "Get user public info like avatar, name by userId or unique name",
+			method:      "GET",
+			middle:      middleware.NoAuthMiddleware,
+			handler:     r.v1.PublicUserInfoByUserIdOrName,
+		},
+		{
+			path:        "/search",
+			description: "Search users by name",
+			method:      "GET",
+			middle:      middleware.AccessTokenAuthMiddleware,
+			handler:     r.v1.SearchUsers,
+		},
 		{
 			path:        "/delete",
 			description: "Delete user",
diff --git a/route/v1/user.go b/route/v1/user.go
index 8f21504..46ee459 100644
--- a/route/v1/user.go
+++ b/route/v1/user.go
@@ -12,6 +12,7 @@ import (
 	perror "github.com/MuShare/pluto/datatype/pluto_error"
 	"github.com/MuShare/pluto/datatype/request"
 	"github.com/MuShare/pluto/manage"
+	"github.com/MuShare/pluto/modelexts"
 	"github.com/MuShare/pluto/utils/general"
 	"github.com/MuShare/pluto/utils/mail"
 	routeUtils "github.com/MuShare/pluto/utils/route"
@@ -405,6 +406,42 @@ func (router *Router) PublicUserInfoByUserId(w http.ResponseWriter, r *http.Requ
 	return nil
 }
 
+func (router *Router) PublicUserInfoByUserIdOrName(w http.ResponseWriter, r *http.Request) *perror.PlutoError {
+	vars := mux.Vars(r)
+	userIdOrName := vars["userIdOrName"]
+	res, perr := router.manager.PublicUserInfoByUserIdOrName(userIdOrName)
+
+	if perr != nil {
+		return perr
+	}
+
+	routeUtils.ResponseOK(res.PublicInfo(), w)
+
+	return nil
+}
+
+func (router *Router) SearchUsers(w http.ResponseWriter, r *http.Request) *perror.PlutoError {
+	name := r.URL.Query().Get("name")
+	if name == "" {
+		return perror.BadRequest
+	}
+
+	users, perr := router.manager.SearchUsersByName(name)
+
+	if perr != nil {
+		return perr
+	}
+
+	res := make([]map[string]interface{}, 0)
+	for _, u := range users {
+		res = append(res, (&modelexts.User{User: u}).SearchInfo())
+	}
+
+	routeUtils.ResponseOK(res, w)
+
+	return nil
+}
+
 func (router *Router) DeleteUser(w http.ResponseWriter, r *http.Request) *perror.PlutoError {
 	payload, perr := routeUtils.GetAccessPayload(r)
 	if perr != nil {