diff --git a/config/local.yaml b/config/local.yaml
index e8d0d87..0505ffc 100644
--- a/config/local.yaml
+++ b/config/local.yaml
@@ -4,3 +4,12 @@ app:
   http_addr: ":8081"
   grpc_addr: ":9001"
   shutdown_timeout: 10s
+
+registry:
+  enabled: false
+  provider: ""
+  endpoint: ""
+  service_name: "chatappuser"
+  instance_id: ""
+  register_timeout: 3s
+  deregister_timeout: 5s
diff --git a/config/prod.yaml b/config/prod.yaml
index 3e1f045..a351887 100644
--- a/config/prod.yaml
+++ b/config/prod.yaml
@@ -4,3 +4,12 @@ app:
   http_addr: ":8081"
   grpc_addr: ":9001"
   shutdown_timeout: 10s
+
+registry:
+  enabled: false
+  provider: ""
+  endpoint: ""
+  service_name: "chatappuser"
+  instance_id: ""
+  register_timeout: 3s
+  deregister_timeout: 5s
diff --git a/config/prod.yaml.example b/config/prod.yaml.example
index 3e1f045..a351887 100644
--- a/config/prod.yaml.example
+++ b/config/prod.yaml.example
@@ -4,3 +4,12 @@ app:
   http_addr: ":8081"
   grpc_addr: ":9001"
   shutdown_timeout: 10s
+
+registry:
+  enabled: false
+  provider: ""
+  endpoint: ""
+  service_name: "chatappuser"
+  instance_id: ""
+  register_timeout: 3s
+  deregister_timeout: 5s
diff --git a/go.mod b/go.mod
index 4fe0530..c102e03 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module gitea.haiyihy.com/hy/chatappuser
 go 1.23.1
 
 require (
-	gitea.haiyihy.com/hy/chatappcommon v0.0.0
+	gitea.haiyihy.com/hy/chatappcommon v0.1.1-0.20260404072625-9a68eb0302e5
 	golang.org/x/sync v0.10.0
 	google.golang.org/grpc v1.67.3
 	gopkg.in/yaml.v3 v3.0.1
@@ -16,5 +16,3 @@ require (
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142 // indirect
 	google.golang.org/protobuf v1.36.11 // indirect
 )
-
-replace gitea.haiyihy.com/hy/chatappcommon => ../Common
diff --git a/go.sum b/go.sum
index e0ab4a4..439e44e 100644
--- a/go.sum
+++ b/go.sum
@@ -1,3 +1,5 @@
+gitea.haiyihy.com/hy/chatappcommon v0.1.1-0.20260404072625-9a68eb0302e5 h1:RUMxeDXog9ryyLU25wQR44dQYDnDGgeAM+9X3Gvkm74=
+gitea.haiyihy.com/hy/chatappcommon v0.1.1-0.20260404072625-9a68eb0302e5/go.mod h1:VXhR5abAucTWdJ7j+N09ddF57Pm5ZsKg0h55ejXjQ7s=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 golang.org/x/net v0.28.0 h1:a9JDOJc5GMUJ0+UDqmLT86WiEy7iWyIhz8gz8E4e5hE=
diff --git a/internal/app/app.go b/internal/app/app.go
index 9d73267..6a2af24 100644
--- a/internal/app/app.go
+++ b/internal/app/app.go
@@ -2,9 +2,11 @@ package app
 
 import (
 	"context"
+	"fmt"
 	"log/slog"
 
 	"gitea.haiyihy.com/hy/chatappuser/internal/config"
+	"gitea.haiyihy.com/hy/chatappuser/internal/lifecycle"
 	registerservice "gitea.haiyihy.com/hy/chatappuser/internal/service/register"
 	grpcserver "gitea.haiyihy.com/hy/chatappuser/internal/transport/grpc"
 	httpserver "gitea.haiyihy.com/hy/chatappuser/internal/transport/http"
@@ -15,19 +17,25 @@ import (
 type Application struct {
 	httpServer *httpserver.Server
 	grpcServer *grpcserver.Server
+	hooks      lifecycle.Hooks
 }
 
 // New 构造用户服务应用。
 func New(cfg config.Config, logger *slog.Logger) *Application {
 	registerHandler := registerservice.New()
+	registryHooks := lifecycle.NewRegistryHooks(cfg.Registry, logger.With("component", "registry_hooks"))
 	return &Application{
-		httpServer: httpserver.New(cfg.App.Name, cfg.App.HTTPAddr, cfg.App.ShutdownTimeout, logger),
+		httpServer: httpserver.New(cfg.App.Name, cfg.App.HTTPAddr, cfg.App.ShutdownTimeout, logger, registryHooks),
 		grpcServer: grpcserver.New(cfg.App.GRPCAddr, cfg.App.ShutdownTimeout, logger, registerHandler),
+		hooks:      registryHooks,
 	}
 }
 
 // Run 并行启动 HTTP 与 gRPC 服务，收到取消信号后优雅停机。
 func (a *Application) Run(ctx context.Context) error {
+	if err := a.hooks.OnRegister(ctx); err != nil {
+		return fmt.Errorf("register lifecycle hook: %w", err)
+	}
 	group, runCtx := errgroup.WithContext(ctx)
 	group.Go(func() error {
 		return a.httpServer.Run(runCtx)
diff --git a/internal/config/config.go b/internal/config/config.go
index d7cd789..14e2546 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -14,7 +14,8 @@ const DefaultPath = "config/local.yaml"
 
 // Config 汇总用户服务的运行配置。
 type Config struct {
-	App AppConfig `yaml:"app"`
+	App      AppConfig      `yaml:"app"`
+	Registry RegistryConfig `yaml:"registry"`
 }
 
 // AppConfig 描述用户服务自身监听参数。
@@ -26,6 +27,17 @@ type AppConfig struct {
 	ShutdownTimeout time.Duration `yaml:"shutdown_timeout"`
 }
 
+// RegistryConfig 预留服务注册中心接入参数，当前只保留注销钩子扩展点。
+type RegistryConfig struct {
+	Enabled           bool          `yaml:"enabled"`
+	Provider          string        `yaml:"provider"`
+	Endpoint          string        `yaml:"endpoint"`
+	ServiceName       string        `yaml:"service_name"`
+	InstanceID        string        `yaml:"instance_id"`
+	RegisterTimeout   time.Duration `yaml:"register_timeout"`
+	DeregisterTimeout time.Duration `yaml:"deregister_timeout"`
+}
+
 // Load 从 YAML 文件加载配置并校验。
 func Load(path string) (Config, error) {
 	data, err := os.ReadFile(path)
@@ -55,6 +67,10 @@ func defaultConfig() Config {
 			GRPCAddr:        ":9001",
 			ShutdownTimeout: 10 * time.Second,
 		},
+		Registry: RegistryConfig{
+			RegisterTimeout:   3 * time.Second,
+			DeregisterTimeout: 5 * time.Second,
+		},
 	}
 }
 
@@ -71,5 +87,11 @@ func validate(cfg Config) error {
 	if cfg.App.ShutdownTimeout <= 0 {
 		return fmt.Errorf("app.shutdown_timeout must be greater than 0")
 	}
+	if cfg.Registry.RegisterTimeout <= 0 {
+		return fmt.Errorf("registry.register_timeout must be greater than 0")
+	}
+	if cfg.Registry.DeregisterTimeout <= 0 {
+		return fmt.Errorf("registry.deregister_timeout must be greater than 0")
+	}
 	return nil
 }
diff --git a/internal/lifecycle/registry.go b/internal/lifecycle/registry.go
new file mode 100644
index 0000000..dc13ccb
--- /dev/null
+++ b/internal/lifecycle/registry.go
@@ -0,0 +1,43 @@
+package lifecycle
+
+import (
+	"context"
+	"log/slog"
+
+	"gitea.haiyihy.com/hy/chatappuser/internal/config"
+)
+
+// Hooks 预留服务注册中心生命周期钩子。
+type Hooks interface {
+	OnRegister(context.Context) error
+	OnDeregister(context.Context) error
+}
+
+type registryHooks struct {
+	cfg    config.RegistryConfig
+	logger *slog.Logger
+}
+
+// NewRegistryHooks 返回当前阶段的占位实现，后续可以替换成真实注册中心接入。
+func NewRegistryHooks(cfg config.RegistryConfig, logger *slog.Logger) Hooks {
+	return &registryHooks{
+		cfg:    cfg,
+		logger: logger,
+	}
+}
+
+func (h *registryHooks) OnRegister(_ context.Context) error {
+	if !h.cfg.Enabled {
+		return nil
+	}
+	h.logger.Info("registry register hook reserved", "provider", h.cfg.Provider, "service_name", h.cfg.ServiceName, "instance_id", h.cfg.InstanceID)
+	return nil
+}
+
+func (h *registryHooks) OnDeregister(_ context.Context) error {
+	if !h.cfg.Enabled {
+		return nil
+	}
+	h.logger.Info("registry deregister hook reserved", "provider", h.cfg.Provider, "service_name", h.cfg.ServiceName, "instance_id", h.cfg.InstanceID)
+	return nil
+}
diff --git a/internal/transport/http/server.go b/internal/transport/http/server.go
index 5ed1ab9..e178c2a 100644
--- a/internal/transport/http/server.go
+++ b/internal/transport/http/server.go
@@ -16,16 +16,23 @@ type Server struct {
 	addr            string
 	shutdownTimeout time.Duration
 	logger          *slog.Logger
+	drainHook       DrainHook
 	ready           atomic.Bool
 }
 
+// DrainHook 在服务摘除 readiness 后执行，例如注销注册中心节点。
+type DrainHook interface {
+	OnDeregister(context.Context) error
+}
+
 // New 创建探针 HTTP 服务。
-func New(appName string, addr string, shutdownTimeout time.Duration, logger *slog.Logger) *Server {
+func New(appName string, addr string, shutdownTimeout time.Duration, logger *slog.Logger, drainHook DrainHook) *Server {
 	server := &Server{
 		appName:         appName,
 		addr:            addr,
 		shutdownTimeout: shutdownTimeout,
 		logger:          logger,
+		drainHook:       drainHook,
 	}
 	server.ready.Store(true)
 	return server
@@ -49,6 +56,11 @@ func (s *Server) Run(ctx context.Context) error {
 		s.ready.Store(false)
 		shutdownCtx, cancel := context.WithTimeout(context.Background(), s.shutdownTimeout)
 		defer cancel()
+		if s.drainHook != nil {
+			if err := s.drainHook.OnDeregister(shutdownCtx); err != nil {
+				s.logger.Error("run deregister hook failed", "error", err)
+			}
+		}
 		_ = httpServer.Shutdown(shutdownCtx)
 	}()