diff --git a/internal/api/activity/app.go b/internal/api/activity/app.go
index ea46465..7e03015 100755
--- a/internal/api/activity/app.go
+++ b/internal/api/activity/app.go
@@ -8,6 +8,7 @@ import (
 	tasksvc "bindbox-game/internal/service/task_center"
 	titlesvc "bindbox-game/internal/service/title"
 	usersvc "bindbox-game/internal/service/user"
+	welfaresvc "bindbox-game/internal/service/welfare_activity"
 
 	"github.com/redis/go-redis/v9"
 )
@@ -23,6 +24,7 @@ type handler struct {
 	task          tasksvc.Service
 	redis         *redis.Client
 	activityOrder activitysvc.ActivityOrderService // 活动订单服务
+	welfare       welfaresvc.Service
 }
 
 func New(logger logger.CustomLogger, db mysql.Repo, rdb *redis.Client, task tasksvc.Service) *handler {
@@ -38,5 +40,6 @@ func New(logger logger.CustomLogger, db mysql.Repo, rdb *redis.Client, task task
 		task:          task,
 		redis:         rdb,
 		activityOrder: activitysvc.NewActivityOrderService(logger, db),
+		welfare:       welfaresvc.New(logger, db),
 	}
 }
diff --git a/internal/api/admin/admin.go b/internal/api/admin/admin.go
index b090d02..1b4f49e 100755
--- a/internal/api/admin/admin.go
+++ b/internal/api/admin/admin.go
@@ -18,6 +18,7 @@ import (
 	syscfgsvc "bindbox-game/internal/service/sysconfig"
 	titlesvc "bindbox-game/internal/service/title"
 	usersvc "bindbox-game/internal/service/user"
+	welfaresvc "bindbox-game/internal/service/welfare_activity"
 
 	"github.com/redis/go-redis/v9"
 )
@@ -41,6 +42,7 @@ type handler struct {
 	livestream  livestreamsvc.Service
 	synthesis   synthesissvc.Service
 	financeSvc  financesvc.Service // P&L service (read-only)
+	welfare     welfaresvc.Service
 }
 
 func New(logger logger.CustomLogger, db mysql.Repo, rdb *redis.Client) *handler {
@@ -69,5 +71,6 @@ func New(logger logger.CustomLogger, db mysql.Repo, rdb *redis.Client) *handler
 		livestream:  livestreamsvc.New(logger, db, ticketSvc),
 		synthesis:   synthesissvc.New(db),
 		financeSvc:  financesvc.New(logger, db),
+		welfare:     welfaresvc.New(logger, db),
 	}
 }
diff --git a/internal/router/router.go b/internal/router/router.go
index 8918af9..be7f35f 100755
--- a/internal/router/router.go
+++ b/internal/router/router.go
@@ -172,6 +172,17 @@ func NewHTTPMux(logger logger.CustomLogger, db mysql.Repo) (core.Mux, func(), er
 		adminAuthApiRouter.GET("/dashboard/order_trend", adminHandler.DashboardOrderTrend())
 		adminAuthApiRouter.GET("/dashboard/activity_stats", adminHandler.DashboardActivityStats())
 		adminAuthApiRouter.GET("/dashboard/item_card_sales", adminHandler.DashboardItemCardSales())
+		adminAuthApiRouter.GET("/welfare-activities", intc.RequireAdminAction("activity:view"), adminHandler.ListWelfareActivities())
+		adminAuthApiRouter.POST("/welfare-activities", intc.RequireAdminAction("activity:create"), adminHandler.CreateWelfareActivity())
+		adminAuthApiRouter.GET("/welfare-activities/cost-summary", intc.RequireAdminAction("activity:view"), adminHandler.GetWelfareCostSummary())
+		adminAuthApiRouter.GET("/welfare-activities/:id", intc.RequireAdminAction("activity:view"), adminHandler.GetWelfareActivity())
+		adminAuthApiRouter.PUT("/welfare-activities/:id", intc.RequireAdminAction("activity:modify"), adminHandler.UpdateWelfareActivity())
+		adminAuthApiRouter.DELETE("/welfare-activities/:id", intc.RequireAdminAction("activity:delete"), adminHandler.DeleteWelfareActivity())
+		adminAuthApiRouter.POST("/welfare-activities/:id/copy", intc.RequireAdminAction("activity:create"), adminHandler.CopyWelfareActivity())
+		adminAuthApiRouter.GET("/welfare-activities/:id/participants", intc.RequireAdminAction("activity:view"), adminHandler.ListWelfareParticipants())
+		adminAuthApiRouter.GET("/welfare-activities/:id/winners", intc.RequireAdminAction("activity:view"), adminHandler.ListWelfareWinners())
+		adminAuthApiRouter.POST("/welfare-activities/:id/draw", intc.RequireAdminAction("activity:modify"), adminHandler.DrawWelfareActivity())
+		adminAuthApiRouter.GET("/welfare-activities/:id/cost", intc.RequireAdminAction("activity:view"), adminHandler.GetWelfareCost())
 		adminAuthApiRouter.POST("/activities", intc.RequireAdminAction("activity:create"), adminHandler.CreateActivity())
 		adminAuthApiRouter.GET("/activities", intc.RequireAdminAction("activity:view"), adminHandler.ListActivities())
 		adminAuthApiRouter.PUT("/activities/:activity_id", intc.RequireAdminAction("activity:modify"), adminHandler.ModifyActivity())
@@ -444,6 +455,10 @@ func NewHTTPMux(logger logger.CustomLogger, db mysql.Repo) (core.Mux, func(), er
 		appPublicApiRouter.GET("/activities/:activity_id/issues/:issue_id/rewards", activityHandler.ListIssueRewards())
 		appPublicApiRouter.GET("/activities/:activity_id/issues/:issue_id/draw_logs", activityHandler.ListDrawLogs())
 		appPublicApiRouter.GET("/activities/:activity_id/issues/:issue_id/draw_logs_grouped", activityHandler.ListDrawLogsByLevel())
+		appPublicApiRouter.GET("/welfare-activities", activityHandler.ListWelfareActivities())
+		appPublicApiRouter.GET("/welfare-activities/:id", activityHandler.GetWelfareActivity())
+		appPublicApiRouter.GET("/welfare-activities/:id/participants", activityHandler.ListWelfareParticipants())
+		appPublicApiRouter.GET("/welfare-activities/:id/winners", activityHandler.ListWelfareWinners())
 
 		// APP 端轮播图
 		appPublicApiRouter.GET("/banners", appapi.NewBanner(logger, db).ListBannersForApp())
@@ -511,6 +526,9 @@ func NewHTTPMux(logger logger.CustomLogger, db mysql.Repo) (core.Mux, func(), er
 		appAuthApiRouter.PUT("/users/:user_id/addresses/:address_id", userHandler.UpdateUserAddress())
 		appAuthApiRouter.DELETE("/users/:user_id/addresses/:address_id", userHandler.DeleteUserAddress())
 
+		appAuthApiRouter.GET("/welfare-activities/:id/my", activityHandler.GetWelfareActivity())
+		appAuthApiRouter.POST("/welfare-activities/:id/join", activityHandler.JoinWelfareActivity())
+
 		// 任务中心 APP 端
 		appAuthApiRouter.GET("/task-center/tasks", taskCenterHandler.ListTasksForApp())
 		appAuthApiRouter.GET("/task-center/tasks/:id/progress/:user_id", taskCenterHandler.GetTaskProgressForApp())
diff --git a/main.go b/main.go
index a924377..8a5de3a 100755
--- a/main.go
+++ b/main.go
@@ -20,6 +20,7 @@ import (
 	syscfgsvc "bindbox-game/internal/service/sysconfig"
 	titlesvc "bindbox-game/internal/service/title"
 	usersvc "bindbox-game/internal/service/user"
+	welfaresvc "bindbox-game/internal/service/welfare_activity"
 
 	"flag"
 
@@ -99,6 +100,7 @@ func main() {
 	}()
 
 	activitysvc.StartScheduledSettlement(customLogger, dbRepo, redis.GetClient())
+	welfaresvc.StartScheduledDraw(customLogger, dbRepo)
 	usersvc.StartExpirationCheck(customLogger, dbRepo)
 	usersvc.StartAutoCancelWorker(customLogger, dbRepo)