diff --git a/controllers/gateway.go b/controllers/gateway.go
index 0556346..5d4db5d 100644
--- a/controllers/gateway.go
+++ b/controllers/gateway.go
@@ -36,7 +36,7 @@ func NewGatewayAdminController() *GatewayAdminController {
 }
 
 // List 获取网关列表
-// GET /api/gateways?keyword=&isSold=&projectType=
+// GET /api/gateways?keyword=&isSold=&projectType=&regionId=
 func (gc *GatewayAdminController) List(c *gin.Context) {
 	var items []models.Gateway
 	query := gc.DB.Model(&models.Gateway{}).Order("region_id ASC, created_at DESC")
@@ -57,6 +57,14 @@ func (gc *GatewayAdminController) List(c *gin.Context) {
 	if projectType := c.Query("projectType"); projectType != "" {
 		query = query.Where("project_type = ?", projectType)
 	}
+	if regionIDStr := strings.TrimSpace(c.Query("regionId")); regionIDStr != "" {
+		regionID, err := strconv.ParseUint(regionIDStr, 10, 32)
+		if err != nil || regionID == 0 {
+			writeError(c, http.StatusBadRequest, "regionId参数无效")
+			return
+		}
+		query = query.Where("region_id = ?", uint32(regionID))
+	}
 
 	if err := query.Find(&items).Error; err != nil {
 		writeError(c, http.StatusInternalServerError, "查询网关列表失败")
@@ -78,6 +86,11 @@ func (gc *GatewayAdminController) Create(c *gin.Context) {
 		writeError(c, http.StatusBadRequest, err.Error())
 		return
 	}
+	projectType, err := gc.findGatewayProjectType(payload.ProjectType)
+	if err != nil {
+		writeError(c, http.StatusBadRequest, err.Error())
+		return
+	}
 
 	// 处理售出逻辑：如果已售出但未提供时间，默认为当前时间 (2026-04-29)
 	var soldAt *time.Time
@@ -96,7 +109,7 @@ func (gc *GatewayAdminController) Create(c *gin.Context) {
 		Name:        strings.TrimSpace(payload.Name),
 		RegionID:    payload.RegionID,
 		Location:    strings.TrimSpace(payload.Location),
-		ProjectType: strings.TrimSpace(payload.ProjectType),
+		ProjectType: projectType.Code,
 		IsSold:      payload.IsSold,
 		SoldAt:      soldAt,
 	}
@@ -131,12 +144,17 @@ func (gc *GatewayAdminController) Update(c *gin.Context) {
 		writeError(c, http.StatusBadRequest, err.Error())
 		return
 	}
+	projectType, err := gc.findGatewayProjectType(payload.ProjectType)
+	if err != nil {
+		writeError(c, http.StatusBadRequest, err.Error())
+		return
+	}
 
 	// 更新字段
 	record.Name = strings.TrimSpace(payload.Name)
 	record.RegionID = payload.RegionID
 	record.Location = strings.TrimSpace(payload.Location)
-	record.ProjectType = strings.TrimSpace(payload.ProjectType)
+	record.ProjectType = projectType.Code
 	record.IsSold = payload.IsSold
 
 	// 核心逻辑：处理售出时间
@@ -196,6 +214,24 @@ func (gc *GatewayAdminController) findByID(id string) (models.Gateway, error) {
 	return record, nil
 }
 
+func (gc *GatewayAdminController) findGatewayProjectType(projectTypeCode string) (models.ProjectType, error) {
+	var projectType models.ProjectType
+	code := strings.TrimSpace(strings.ToLower(projectTypeCode))
+	if code == "" {
+		return projectType, errors.New("projectType is required")
+	}
+	if err := gc.DB.Where("code = ? AND is_active = ?", code, true).First(&projectType).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return projectType, errors.New("projectType is invalid")
+		}
+		return projectType, errors.New("failed to query project type")
+	}
+	if !projectType.SupportsGateway {
+		return projectType, errors.New("current project type does not support gateways")
+	}
+	return projectType, nil
+}
+
 // 辅助方法：验证输入数据
 func validateGatewayPayload(payload gatewayPayload) error {
 	mac := strings.TrimSpace(payload.MAC)
@@ -208,6 +244,9 @@ func validateGatewayPayload(payload gatewayPayload) error {
 	if strings.TrimSpace(payload.Name) == "" {
 		return errors.New("网关名称是必填项")
 	}
+	if strings.TrimSpace(payload.ProjectType) == "" {
+		return errors.New("项目类型是必填项")
+	}
 	return nil
 }
 
diff --git a/controllers/project_type_admin.go b/controllers/project_type_admin.go
new file mode 100644
index 0000000..1d2fc0c
--- /dev/null
+++ b/controllers/project_type_admin.go
@@ -0,0 +1,185 @@
+package controllers
+
+import (
+	"errors"
+	"hr_receiver/config"
+	"hr_receiver/models"
+	"net/http"
+	"strconv"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+	"gorm.io/gorm"
+)
+
+type ProjectTypeAdminController struct {
+	DB *gorm.DB
+}
+
+type projectTypePayload struct {
+	Code            string `json:"code"`
+	Name            string `json:"name"`
+	Description     string `json:"description"`
+	SupportsGateway bool   `json:"supportsGateway"`
+	IsActive        bool   `json:"isActive"`
+	Sort            int    `json:"sort"`
+}
+
+func NewProjectTypeAdminController() *ProjectTypeAdminController {
+	return &ProjectTypeAdminController{DB: config.DB}
+}
+
+func (pc *ProjectTypeAdminController) List(c *gin.Context) {
+	var items []models.ProjectType
+	query := pc.DB.Model(&models.ProjectType{}).Order("sort ASC, id ASC")
+
+	if keyword := strings.TrimSpace(c.Query("keyword")); keyword != "" {
+		likeValue := "%" + keyword + "%"
+		query = query.Where("code LIKE ? OR name LIKE ? OR description LIKE ?", likeValue, likeValue, likeValue)
+	}
+	if supportsGatewayStr := strings.TrimSpace(c.Query("supportsGateway")); supportsGatewayStr != "" {
+		supportsGateway, err := strconv.ParseBool(supportsGatewayStr)
+		if err != nil {
+			writeError(c, http.StatusBadRequest, "invalid supportsGateway")
+			return
+		}
+		query = query.Where("supports_gateway = ?", supportsGateway)
+	}
+	if isActiveStr := strings.TrimSpace(c.Query("isActive")); isActiveStr != "" {
+		isActive, err := strconv.ParseBool(isActiveStr)
+		if err != nil {
+			writeError(c, http.StatusBadRequest, "invalid isActive")
+			return
+		}
+		query = query.Where("is_active = ?", isActive)
+	}
+
+	if err := query.Find(&items).Error; err != nil {
+		writeError(c, http.StatusInternalServerError, "failed to query project types")
+		return
+	}
+	writeSuccess(c, http.StatusOK, "query success", items)
+}
+
+func (pc *ProjectTypeAdminController) Create(c *gin.Context) {
+	var payload projectTypePayload
+	if err := c.ShouldBindJSON(&payload); err != nil {
+		writeError(c, http.StatusBadRequest, err.Error())
+		return
+	}
+	if err := validateProjectTypePayload(payload); err != nil {
+		writeError(c, http.StatusBadRequest, err.Error())
+		return
+	}
+
+	record := models.ProjectType{
+		Code:            normalizeProjectTypeCode(payload.Code),
+		Name:            strings.TrimSpace(payload.Name),
+		Description:     strings.TrimSpace(payload.Description),
+		SupportsGateway: payload.SupportsGateway,
+		IsActive:        payload.IsActive,
+		Sort:            payload.Sort,
+	}
+	if err := pc.DB.Create(&record).Error; err != nil {
+		writeProjectTypeDBError(c, err)
+		return
+	}
+	writeSuccess(c, http.StatusCreated, "create success", record)
+}
+
+func (pc *ProjectTypeAdminController) Update(c *gin.Context) {
+	record, err := pc.findByID(c.Param("id"))
+	if err != nil {
+		respondProjectTypeLookupError(c, err)
+		return
+	}
+
+	var payload projectTypePayload
+	if err := c.ShouldBindJSON(&payload); err != nil {
+		writeError(c, http.StatusBadRequest, err.Error())
+		return
+	}
+	if err := validateProjectTypePayload(payload); err != nil {
+		writeError(c, http.StatusBadRequest, err.Error())
+		return
+	}
+
+	record.Code = normalizeProjectTypeCode(payload.Code)
+	record.Name = strings.TrimSpace(payload.Name)
+	record.Description = strings.TrimSpace(payload.Description)
+	record.SupportsGateway = payload.SupportsGateway
+	record.IsActive = payload.IsActive
+	record.Sort = payload.Sort
+
+	if err := pc.DB.Save(&record).Error; err != nil {
+		writeProjectTypeDBError(c, err)
+		return
+	}
+	writeSuccess(c, http.StatusOK, "update success", record)
+}
+
+func (pc *ProjectTypeAdminController) Delete(c *gin.Context) {
+	record, err := pc.findByID(c.Param("id"))
+	if err != nil {
+		respondProjectTypeLookupError(c, err)
+		return
+	}
+
+	var gatewayCount int64
+	if err := pc.DB.Model(&models.Gateway{}).Where("project_type = ?", record.Code).Count(&gatewayCount).Error; err != nil {
+		writeError(c, http.StatusInternalServerError, "failed to check gateway references")
+		return
+	}
+	if gatewayCount > 0 {
+		writeError(c, http.StatusConflict, "current project type is referenced by gateways")
+		return
+	}
+
+	if err := pc.DB.Delete(&record).Error; err != nil {
+		writeError(c, http.StatusInternalServerError, "failed to delete project type")
+		return
+	}
+	writeSuccess(c, http.StatusOK, "delete success", nil)
+}
+
+func (pc *ProjectTypeAdminController) findByID(id string) (models.ProjectType, error) {
+	var record models.ProjectType
+	numericID, err := strconv.ParseUint(strings.TrimSpace(id), 10, 64)
+	if err != nil {
+		return record, gorm.ErrRecordNotFound
+	}
+	if err := pc.DB.First(&record, numericID).Error; err != nil {
+		return record, err
+	}
+	return record, nil
+}
+
+func validateProjectTypePayload(payload projectTypePayload) error {
+	if normalizeProjectTypeCode(payload.Code) == "" {
+		return errors.New("code is required")
+	}
+	if strings.TrimSpace(payload.Name) == "" {
+		return errors.New("name is required")
+	}
+	return nil
+}
+
+func normalizeProjectTypeCode(code string) string {
+	return strings.TrimSpace(strings.ToLower(code))
+}
+
+func respondProjectTypeLookupError(c *gin.Context, err error) {
+	if errors.Is(err, gorm.ErrRecordNotFound) {
+		writeError(c, http.StatusNotFound, "project type not found")
+		return
+	}
+	writeError(c, http.StatusInternalServerError, "failed to query project type")
+}
+
+func writeProjectTypeDBError(c *gin.Context, err error) {
+	if strings.Contains(strings.ToLower(err.Error()), "unique") {
+		writeError(c, http.StatusConflict, "project type code already exists")
+		return
+	}
+	writeError(c, http.StatusInternalServerError, "failed to persist project type")
+}
diff --git a/main.go b/main.go
index 606d969..00aff19 100644
--- a/main.go
+++ b/main.go
@@ -30,6 +30,7 @@ func main() {
 		&models.User{},
 		&models.UserRegionBinding{},
 		&models.Kindergarten{},
+		&models.ProjectType{},
 		&models.AppFile{},
 		&models.AppFileShareCode{},
 		&models.MqttHeartRateRecord{},
@@ -49,6 +50,9 @@ func main() {
 	if err := models.EnsureDefaultAIPricing(config.DB); err != nil {
 		log.Printf("default ai pricing init failed: %v", err)
 	}
+	if err := models.EnsureDefaultProjectTypes(config.DB); err != nil {
+		log.Printf("default project types init failed: %v", err)
+	}
 
 	if err := mqtt.Start(config.DB, config.App.MQTT); err != nil {
 		log.Printf("mqtt listener start failed: %v", err)
diff --git a/models/project_type.go b/models/project_type.go
new file mode 100644
index 0000000..b596028
--- /dev/null
+++ b/models/project_type.go
@@ -0,0 +1,76 @@
+package models
+
+import (
+	"errors"
+	"strings"
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type ProjectType struct {
+	ID              uint   `gorm:"primaryKey" json:"id"`
+	Code            string `gorm:"size:64;not null;uniqueIndex" json:"code"`
+	Name            string `gorm:"size:255;not null" json:"name"`
+	Description     string `gorm:"size:1024" json:"description"`
+	SupportsGateway bool   `gorm:"not null;default:false;index" json:"supportsGateway"`
+	IsActive        bool   `gorm:"not null;default:true;index" json:"isActive"`
+	Sort            int    `gorm:"not null;default:0;index" json:"sort"`
+	CreatedAt       int64  `gorm:"not null" json:"created_at"`
+	UpdatedAt       int64  `gorm:"not null" json:"updated_at"`
+}
+
+func (ProjectType) TableName() string {
+	return "project_types"
+}
+
+func (p *ProjectType) BeforeCreate(tx *gorm.DB) (err error) {
+	now := time.Now().UnixMilli()
+	p.Code = strings.TrimSpace(strings.ToLower(p.Code))
+	p.Name = strings.TrimSpace(p.Name)
+	p.Description = strings.TrimSpace(p.Description)
+	p.CreatedAt = now
+	p.UpdatedAt = now
+	return nil
+}
+
+func (p *ProjectType) BeforeUpdate(tx *gorm.DB) (err error) {
+	p.Code = strings.TrimSpace(strings.ToLower(p.Code))
+	p.Name = strings.TrimSpace(p.Name)
+	p.Description = strings.TrimSpace(p.Description)
+	p.UpdatedAt = time.Now().UnixMilli()
+	return nil
+}
+
+func EnsureDefaultProjectTypes(db *gorm.DB) error {
+	defaults := []ProjectType{
+		{Code: "flink", Name: "步频节拍器", Description: "Flink 步频节拍器项目", SupportsGateway: false, IsActive: true, Sort: 10},
+		{Code: "light", Name: "心肺耐力测试", Description: "Light 心肺耐力测试项目", SupportsGateway: true, IsActive: true, Sort: 20},
+		{Code: "heartrate", Name: "智能心率采集", Description: "智能心率采集项目", SupportsGateway: true, IsActive: true, Sort: 30},
+		{Code: "run50", Name: "50米往返跑", Description: "50米往返跑项目", SupportsGateway: false, IsActive: true, Sort: 40},
+	}
+
+	for _, item := range defaults {
+		var existing ProjectType
+		err := db.Where("code = ?", item.Code).First(&existing).Error
+		switch {
+		case err == nil:
+			existing.Name = item.Name
+			existing.Description = item.Description
+			existing.SupportsGateway = item.SupportsGateway
+			existing.IsActive = item.IsActive
+			existing.Sort = item.Sort
+			if err := db.Save(&existing).Error; err != nil {
+				return err
+			}
+		case errors.Is(err, gorm.ErrRecordNotFound):
+			if err := db.Create(&item).Error; err != nil {
+				return err
+			}
+		default:
+			return err
+		}
+	}
+
+	return nil
+}
diff --git a/routes/routes.go b/routes/routes.go
index 55ca237..9b6ecea 100644
--- a/routes/routes.go
+++ b/routes/routes.go
@@ -15,6 +15,7 @@ func SetupRouter() *gin.Engine {
 	stepTrainController := controllers.NewStepTrainingController()
 	lessonPlanController := controllers.NewLessonPlanController()
 	kindergartenAdminController := controllers.NewKindergartenAdminController()
+	projectTypeAdminController := controllers.NewProjectTypeAdminController()
 	userAdminController := controllers.NewUserAdminController()
 	gatewayController := controllers.NewGatewayAdminController()
 	systemDebugController := controllers.NewSystemDebugController()
@@ -73,6 +74,11 @@ func SetupRouter() *gin.Engine {
 			admin.PUT("/kindergartens/:id", kindergartenAdminController.Update)
 			admin.DELETE("/kindergartens/:id", kindergartenAdminController.Delete)
 
+			admin.GET("/project-types", projectTypeAdminController.List)
+			admin.POST("/project-types", projectTypeAdminController.Create)
+			admin.PUT("/project-types/:id", projectTypeAdminController.Update)
+			admin.DELETE("/project-types/:id", projectTypeAdminController.Delete)
+
 			admin.GET("/users", userAdminController.List)
 			admin.POST("/users", userAdminController.Create)
 			admin.PUT("/users/:id", userAdminController.Update)