diff --git a/db/db.go b/db/db.go
deleted file mode 100644
index 0e9dfed..0000000
--- a/db/db.go
+++ /dev/null
@@ -1,48 +0,0 @@
-package db
-
-import (
-	"git.hlsq.asia/mmorpg/service-common/config"
-	"git.hlsq.asia/mmorpg/service-common/db/etcd"
-	"git.hlsq.asia/mmorpg/service-common/db/mysql"
-	"git.hlsq.asia/mmorpg/service-common/db/redis"
-	"git.hlsq.asia/mmorpg/service-common/log"
-)
-
-// ModuleDB 数据库模块
-type ModuleDB struct {
-}
-
-func (p *ModuleDB) Init(cfg *config.DBConfig) error {
-	// ETCD
-	if cfg.Etcd != nil {
-		if err := etcd.Init(cfg.Etcd); err != nil {
-			return err
-		}
-	}
-	// MYSQL
-	if cfg.MySQL != nil {
-		if err := mysql.Init(cfg.MySQL); err != nil {
-			return err
-		}
-	}
-	// REDIS
-	if cfg.Redis != nil {
-		if err := redis.Init(cfg.Redis); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func (p *ModuleDB) Stop() error {
-	if err := etcd.Close(); err != nil {
-		log.Errorf("close etcd failed: %v", err)
-	}
-	if err := mysql.Close(); err != nil {
-		log.Errorf("close mysql failed: %v", err)
-	}
-	if err := redis.Close(); err != nil {
-		log.Errorf("close redis failed: %v", err)
-	}
-	return nil
-}
diff --git a/module/discover.go b/module/discover.go
new file mode 100644
index 0000000..ba476a5
--- /dev/null
+++ b/module/discover.go
@@ -0,0 +1,25 @@
+package module
+
+import "git.hlsq.asia/mmorpg/service-common/discover"
+
+// Discover 服务发现模块
+type Discover struct {
+}
+
+func (m *Discover) Init() error {
+	return nil
+}
+
+func (m *Discover) Start() error {
+	discover.Listen()
+	return nil
+}
+
+func (m *Discover) Stop() error {
+	discover.Close()
+	return nil
+}
+
+func (m *Discover) Bind(_ ...any) Module {
+	return m
+}