diff --git a/.gitignore b/.gitignore
index a5842a0..c964fd9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,9 +1,8 @@
 .log.meta.json
-
 .ai/
-
 .geminiignore
 .gemini
 env.json
 env.yml
-env.yaml
\ No newline at end of file
+env.yaml
+/CODE-FULL.md
diff --git a/go.mod b/go.mod
index b0fa66e..84a30be 100644
--- a/go.mod
+++ b/go.mod
@@ -11,6 +11,7 @@ require (
 	apigo.cc/go/log v1.3.0
 	apigo.cc/go/redis v1.3.0
 	apigo.cc/go/safe v1.3.0
+	apigo.cc/go/starter v1.0.1
 	apigo.cc/go/timer v1.3.0
 	github.com/gorilla/websocket v1.5.3
 	golang.org/x/net v0.54.0
@@ -22,7 +23,7 @@ require (
 	apigo.cc/go/encoding v1.3.0 // indirect
 	apigo.cc/go/rand v1.3.0 // indirect
 	apigo.cc/go/shell v1.3.0 // indirect
-	github.com/gomodule/redigo v1.9.3 // indirect
+	github.com/gomodule/redigo v2.0.0+incompatible // indirect
 	golang.org/x/crypto v0.51.0 // indirect
 	golang.org/x/sys v0.44.0 // indirect
 	golang.org/x/text v0.37.0 // indirect
diff --git a/go.sum b/go.sum
index 0eb98e4..2eeaaf5 100644
--- a/go.sum
+++ b/go.sum
@@ -1,47 +1,43 @@
-apigo.cc/go/cast v1.2.10 h1:wa9/hz6GW6Z+5co6l7LftMn2Eo06WpVHHDCCQphnmH8=
-apigo.cc/go/cast v1.2.10/go.mod h1:lGlwImiOvHxG7buyMWhFzcdvQzmSaoKbmr7bcDfUpHk=
-apigo.cc/go/config v1.0.8 h1:ZvontnJngNJrm6EJAPYmPhmBnLC9V7g5kZLiuN1MT60=
-apigo.cc/go/config v1.0.8/go.mod h1:FCZj70MCejeWwv81O7sdpg0zmjOzglAMmNEfT3dQYzw=
-apigo.cc/go/crypto v1.1.1 h1:AE0jNtKzcq4euz6fL9MAYEHQpbIEfDTHv2mriP/juig=
-apigo.cc/go/crypto v1.1.1/go.mod h1:Q26As+TQrNs6olGkiVdD6649DJirxA4CUBT4oukKPuw=
-apigo.cc/go/discover v1.0.11 h1:aeAC+xAwGlOeXsRptXJkEn8MvRZ7lom5N5jfBAg9/CE=
-apigo.cc/go/discover v1.0.11/go.mod h1:TcIpl1Ocu51koRxugV81Jnz4NH0+Q5f5PF105VczS/0=
-apigo.cc/go/encoding v1.1.2 h1:reSrLkyYrtZsf4S91XPdyBY2AQpvA43n9q0Q9wz5uJA=
-apigo.cc/go/encoding v1.1.2/go.mod h1:iLuvrYHEK8mLnk8jijx5Sv1tInFreny0yGNBouA1d20=
-apigo.cc/go/file v1.0.8 h1:GPkixU080cvrmz7cbdXkC2DqMvsWWyY3UzoyUVQYFvs=
-apigo.cc/go/file v1.0.8/go.mod h1:T/wYji/va0S+JM2fAHonhKpnXKIELk/bmgnFEgMMY2s=
-apigo.cc/go/http v1.0.11 h1:EOlMXlTGrWY0RI3MynkV7noT49WiUdGVPdOtDJjIkU4=
-apigo.cc/go/http v1.0.11/go.mod h1:K2JgyI7DblfbzAnK1OHx4PS/1Pvcoqcp3g2uwsCPe68=
-apigo.cc/go/id v1.0.7 h1:vXCK8mUW3s4cJYmli0o2BxgyI9XbJrG8gSGJOP2Fe4g=
-apigo.cc/go/id v1.0.7/go.mod h1:wXBrPpcEpyUDM7bp7M5uPM9zFw4VcnvXMQLw4Yd+uZE=
-apigo.cc/go/log v1.1.16 h1:uqPqeHvs+FdNupLBzzamJmY4oHAqtPEkGuW/pW5i2nQ=
-apigo.cc/go/log v1.1.16/go.mod h1:bOfPXjrX2bY+FNG9eEtBnvaVXoxZDGvz0jQfF3s/mYk=
-apigo.cc/go/rand v1.0.6 h1:p51rkaDrYUdZPIRbQAujZmQelWg2ipAMts33A/tG7QE=
-apigo.cc/go/rand v1.0.6/go.mod h1:mZ/4Soa3bk+XvDaqPWJuUe1bfEi4eThBj1XmEAuYxsk=
-apigo.cc/go/redis v1.0.9 h1:5MnCchcDgoVnGHQn+KJF9PJXXRayK9nlZg+Q0lTnMoU=
-apigo.cc/go/redis v1.0.9/go.mod h1:SVOD7iuUL/jxYEa28qObDQf4GY9UVSKjhM9vVj9TXLI=
-apigo.cc/go/safe v1.0.7 h1:f0d+v9K2dHPyG5DNqhyddCmAmSiIqIfkPi/AMED/iQI=
-apigo.cc/go/safe v1.0.7/go.mod h1:Hu7TVDWPe/I+nBZfYJH4mt+ROzG+rwk2D1zHTXj/2eE=
-apigo.cc/go/shell v1.0.6 h1:RngaSMr2AkAFDl545A1Ln+D8ckqV2jknUp4PohDaLIA=
-apigo.cc/go/shell v1.0.6/go.mod h1:X7Nozjd7oau4nvAJCI21vxrxfd4ZL5nE4C6eUsmi2Hc=
-apigo.cc/go/timer v1.0.7 h1:QUH0t7l9kBiGU/QdDNSthnXLfJXOEp+mpdY2+QPlrEI=
-apigo.cc/go/timer v1.0.7/go.mod h1:kOnqTTX+zA4AH7SfC+LpUm4ZvS+DVyWWMqul/V5QWJs=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
-github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/gomodule/redigo v1.9.3 h1:dNPSXeXv6HCq2jdyWfjgmhBdqnR6PRO3m/G05nvpPC8=
-github.com/gomodule/redigo v1.9.3/go.mod h1:KsU3hiK/Ay8U42qpaJk+kuNa3C+spxapWpM+ywhcgtw=
+apigo.cc/go/cast v1.3.0 h1:ZTcLYijkqZjSWSCSpJUWMfzJYeJKbwKxquKkPrFsROQ=
+apigo.cc/go/cast v1.3.0/go.mod h1:lGlwImiOvHxG7buyMWhFzcdvQzmSaoKbmr7bcDfUpHk=
+apigo.cc/go/config v1.3.0 h1:TwI3bv3D+BJrAnFx+o62HQo3FarY2Ge3SCGsKchFYGg=
+apigo.cc/go/config v1.3.0/go.mod h1:88lqKEBXlIExFKt1geLONVLYyM+QhRVpBe0ok3OEvjI=
+apigo.cc/go/crypto v1.3.0 h1:rGRrrb5O+4M50X5hVUmJQbXx3l87zzlcgzGtUvZrZL8=
+apigo.cc/go/crypto v1.3.0/go.mod h1:uSCcmbcFoiltUPMQTSuqmU9nfKEH/lRs7nQ7aa3Z4Mc=
+apigo.cc/go/discover v1.3.0 h1:CXuKtAZygU+4TMHtebVkjWyyWmPgoLbsJFdKFGiCOd8=
+apigo.cc/go/discover v1.3.0/go.mod h1:VMu1qC6AngVFQMdaCwGoq3/PPX0xDnjkG+1AcSA+Zvs=
+apigo.cc/go/encoding v1.3.0 h1:8jqNHoZBR8vOU/BGsLFebfp1Txa1UxDRpd7YwzIFLJs=
+apigo.cc/go/encoding v1.3.0/go.mod h1:kT/uUJiuAOkZ4LzUWrUtk/I0iL1D8aatvD+59bDnHBo=
+apigo.cc/go/file v1.3.0 h1:xG9FcY3Rv6Br83r9pq9QsIXFrplx4g8ITOkHSzfzXRg=
+apigo.cc/go/file v1.3.0/go.mod h1:pYHBlB/XwsrnWpEh7GIFpbiqobrExfiB+rEN8V2d2kY=
+apigo.cc/go/http v1.3.0 h1:1ZweotOuAxTI8wfib9knWYXM2t0POOJ3ezgOKObH3sg=
+apigo.cc/go/http v1.3.0/go.mod h1:DC3phxBNbt/dOWdhxtffAEYeUs3j6P3BD8e6J8gxU9U=
+apigo.cc/go/id v1.3.0 h1:Tr2Yj0Rl19lfwW5wBTJ407o/zgo2oVRLE20WWEgJzdE=
+apigo.cc/go/id v1.3.0/go.mod h1:AFH3kMFwENfXNyijnAFWEhSF1o3y++UBPem1IUlrcxA=
+apigo.cc/go/log v1.3.0 h1:61Z80WGN6SnhgxgoR8xuVYIieMdjlJKmf8JX1HXzp0Y=
+apigo.cc/go/log v1.3.0/go.mod h1:dz4bSz9BnOgutkUJJZfX3uDDwsMpUxt7WF50mLK9hgE=
+apigo.cc/go/rand v1.3.0 h1:k+UFAhMySwXf+dq8Om9TniZV6fm6gAE0evbrqMEdwQU=
+apigo.cc/go/rand v1.3.0/go.mod h1:mZ/4Soa3bk+XvDaqPWJuUe1bfEi4eThBj1XmEAuYxsk=
+apigo.cc/go/redis v1.3.0 h1:3NJE3xPXzhCwL+Mh1iyphFrsKWEuPlY26LHJfMVFSeU=
+apigo.cc/go/redis v1.3.0/go.mod h1:KPDPwMOER7WJX3Qev24LTeAOSmCl8OApe8iagPDxOUQ=
+apigo.cc/go/safe v1.3.0 h1:uctdAUsphT9p60Tk4oS5xPCe0NoIdOHfsYv4PNS0Rok=
+apigo.cc/go/safe v1.3.0/go.mod h1:tC9X14V+qh0BqIrVg4UkXbl+2pEN+lj2ZNI8IjDB6Fs=
+apigo.cc/go/shell v1.3.0 h1:hdxuYPN/7T2BuM/Ja8AjVUhbRqU/wpi8OjcJVziJ0nw=
+apigo.cc/go/shell v1.3.0/go.mod h1:aNJiRWibxlA485yX3t+07IVAbrALKmxzv4oGEUC+hK4=
+apigo.cc/go/starter v1.0.1 h1:7Qv/rRlEVlTX7wjr1LpV1XX1wUD4UAssDi6J+YCh73s=
+apigo.cc/go/starter v1.0.1/go.mod h1:xHfo+36hXGdVhhnRqd1l+Vk6Fp1ecN2LDAcsDOVodXk=
+apigo.cc/go/timer v1.3.0 h1:dorVGKw0xR6Gj8Pwfl86K46szMBfD31XyO+uUqxU+EI=
+apigo.cc/go/timer v1.3.0/go.mod h1:kOnqTTX+zA4AH7SfC+LpUm4ZvS+DVyWWMqul/V5QWJs=
+github.com/gomodule/redigo v2.0.0+incompatible h1:K/R+8tc58AaqLkqG2Ol3Qk+DR/TlNuhuh457pBFPtt0=
+github.com/gomodule/redigo v2.0.0+incompatible/go.mod h1:B4C85qUVwatsJoIUNIfCRsp7qO0iAmpGFZ4EELWSbC4=
 github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
 github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/kr/pretty v0.3.0 h1:WgNl7dwNpEZ6jJ9k1snq4pZsg7DOEN8hP9Xw0Tsjwk0=
 github.com/kr/pretty v0.3.0/go.mod h1:640gp4NfQd8pI5XOwp5fnNeVWj67G7CFk/SaSQn7NBk=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
-github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/rogpeppe/go-internal v1.14.1 h1:UQB4HGPB6osV0SQTLymcB4TgvyWu6ZyliaW0tI/otEQ=
 github.com/rogpeppe/go-internal v1.14.1/go.mod h1:MaRKkUm5W0goXpeCfT7UZI6fk/L7L7so1lCWt35ZSgc=
-github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
-github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 golang.org/x/crypto v0.51.0 h1:IBPXwPfKxY7cWQZ38ZCIRPI50YLeevDLlLnyC5wRGTI=
 golang.org/x/crypto v0.51.0/go.mod h1:8AdwkbraGNABw2kOX6YFPs3WM22XqI4EXEd8g+x7Oc8=
 golang.org/x/net v0.54.0 h1:2zJIZAxAHV/OHCDTCOHAYehQzLfSXuf/5SoL/Dv6w/w=
diff --git a/proxy.go b/proxy.go
index 82c4018..4b9b847 100644
--- a/proxy.go
+++ b/proxy.go
@@ -162,3 +162,31 @@ func copyResponse(res *gohttp.Result, response *Response, logger *log.Logger) {
 		}
 	}
 }
+
+// ProxyRule 定义了外部传递或 Redis 中获取的代理规则配置
+type ProxyRule struct {
+	Path      string // 匹配路径或正则，支持变量捕获如 ^/api/(.*)$
+	AuthLevel int    // 所需鉴权级别
+	ToApp     string // 目标 AppName 或完整 URL (可含 $1 变量替换)
+	ToPath    string // 目标路径 (可含 $1 变量替换)
+}
+
+// ReplaceProxies 使用全量指针替换的方式 (Copy-on-Write) 无缝更新指定 host 的所有代理规则。
+// 该方法非常轻量，仅在赋值瞬间短暂持有写锁，不会阻塞任何并发请求，并且自动淘汰旧规则。
+func ReplaceProxies(host string, rules []ProxyRule) {
+	newProxies := make([]*proxyType, 0, len(rules))
+	for _, r := range rules {
+		p := &proxyType{authLevel: r.AuthLevel, fromPath: r.Path, toApp: r.ToApp, toPath: r.ToPath}
+		if strings.ContainsRune(r.Path, '(') {
+			matcher, err := regexp.Compile("^" + r.Path + "$")
+			if err == nil {
+				p.matcher = matcher
+			}
+		}
+		newProxies = append(newProxies, p)
+	}
+
+	hostPoliciesLock.Lock()
+	defer hostPoliciesLock.Unlock()
+	hostProxies[host] = newProxies
+}
diff --git a/reload.go b/reload.go
new file mode 100644
index 0000000..1dde371
--- /dev/null
+++ b/reload.go
@@ -0,0 +1,33 @@
+package service
+
+import (
+	"apigo.cc/go/log"
+	"sync"
+)
+
+var (
+	reloadHooks []func() error
+	reloadLock  sync.RWMutex
+)
+
+// OnReload 注册一个在接收到 SIGHUP 信号时触发的重新加载钩子
+func OnReload(handler func() error) {
+	reloadLock.Lock()
+	defer reloadLock.Unlock()
+	reloadHooks = append(reloadHooks, handler)
+}
+
+// triggerReload 触发所有注册的重新加载钩子
+func triggerReload() error {
+	reloadLock.RLock()
+	hooks := make([]func() error, len(reloadHooks))
+	copy(hooks, reloadHooks)
+	reloadLock.RUnlock()
+
+	for _, hook := range hooks {
+		if err := hook(); err != nil {
+			log.DefaultLogger.Error("reload hook failed", "error", err.Error())
+		}
+	}
+	return nil
+}
diff --git a/rewrite.go b/rewrite.go
index 35c9cb1..c17ce77 100644
--- a/rewrite.go
+++ b/rewrite.go
@@ -101,3 +101,28 @@ func processRewrite(request *Request, response *Response, logger *log.Logger) bo
 
 	return false
 }
+
+// RewriteRule 定义了外部传递的 URL 重写规则
+type RewriteRule struct {
+	Path   string // 原始路径或匹配正则，例如 ^/old/(.*)$
+	ToPath string // 重写后的路径，例如 /new/$1
+}
+
+// ReplaceRewrites 使用 Copy-on-Write 机制原子地替换指定 host 下的所有重写规则。
+func ReplaceRewrites(host string, rules []RewriteRule) {
+	newRewrites := make([]*rewriteType, 0, len(rules))
+	for _, r := range rules {
+		s := &rewriteType{fromPath: r.Path, toPath: r.ToPath}
+		if strings.ContainsRune(r.Path, '(') {
+			matcher, err := regexp.Compile("^" + r.Path + "$")
+			if err == nil {
+				s.matcher = matcher
+			}
+		}
+		newRewrites = append(newRewrites, s)
+	}
+
+	hostPoliciesLock.Lock()
+	defer hostPoliciesLock.Unlock()
+	hostRewrites[host] = newRewrites
+}
diff --git a/server.go b/server.go
index b865d9d..60a325e 100644
--- a/server.go
+++ b/server.go
@@ -5,6 +5,7 @@ import (
 	"apigo.cc/go/log"
 	"apigo.cc/go/redis"
 	"apigo.cc/go/safe"
+	"apigo.cc/go/starter"
 	"context"
 	"fmt"
 	"golang.org/x/net/http2"
@@ -12,46 +13,35 @@ import (
 	"net"
 	"net/http"
 	"os"
-	"os/signal"
 	"strings"
-	"syscall"
 	"time"
 )
 
 // GlobalDiscoverer 供服务框架内部使用的发现实例
 var GlobalDiscoverer *discover.Discoverer
 
-// AsyncServer 异步服务实例
-type AsyncServer struct {
+// WebServer 实现了 starter.Service 和 starter.Reloader 接口
+type WebServer struct {
 	server      *http.Server
 	listener    net.Listener
 	Addr        string
-	stopChan    chan os.Signal
-	startChan   chan bool
 	useDiscover bool
 	discoverer  *discover.Discoverer
 }
 
-// AsyncStart 异步启动服务
-func AsyncStart() *AsyncServer {
-	as := &AsyncServer{
-		startChan: make(chan bool, 1),
-		stopChan:  make(chan os.Signal, 1),
-	}
-
-	go as.start()
-
-	<-as.startChan
-	return as
+// NewWebServer 创建并返回一个新的 WebServer 实例
+func NewWebServer() *WebServer {
+	return &WebServer{}
 }
 
-func (as *AsyncServer) start() {
+// Start 启动服务，实现 starter.Service 接口
+func (ws *WebServer) Start(ctx context.Context, logger *log.Logger) error {
 	listenStr := Config.Listen
-	as.useDiscover = false
+	ws.useDiscover = false
 
 	if listenStr == "" {
 		listenStr = ":0,h2c"
-		as.useDiscover = true
+		ws.useDiscover = true
 	}
 
 	// 解析第一个监听配置
@@ -76,7 +66,7 @@ func (as *AsyncServer) start() {
 	}
 	appName := Config.App
 	if appName != "" || Config.Register != "" {
-		as.useDiscover = true
+		ws.useDiscover = true
 	}
 
 	// 初始化服务器唯一标识 (8位，物理上限 3,844/s)
@@ -92,18 +82,16 @@ func (as *AsyncServer) start() {
 
 	listener, err := net.Listen("tcp", addr)
 	if err != nil {
-		log.DefaultLogger.Error("failed to listen", "addr", addr, "error", err.Error())
-		as.startChan <- false
-		return
+		return fmt.Errorf("failed to listen on %s: %w", addr, err)
 	}
 
-	as.listener = listener
-	as.Addr = listener.Addr().String()
-	serverAddr = as.Addr
+	ws.listener = listener
+	ws.Addr = listener.Addr().String()
+	serverAddr = ws.Addr
 
 	// 如果使用了随机端口且没有明确指定不需要服务发现，则开启
 	if addr == ":0" || strings.HasSuffix(addr, ":0") {
-		as.useDiscover = true
+		ws.useDiscover = true
 	}
 
 	h2s := &http2.Server{}
@@ -112,7 +100,7 @@ func (as *AsyncServer) start() {
 		handler = h2c.NewHandler(handler, h2s)
 	}
 
-	as.server = &http.Server{
+	ws.server = &http.Server{
 		Handler:           handler,
 		ReadTimeout:       time.Duration(Config.ReadTimeout) * time.Millisecond,
 		ReadHeaderTimeout: time.Duration(Config.ReadHeaderTimeout) * time.Millisecond,
@@ -122,8 +110,8 @@ func (as *AsyncServer) start() {
 	}
 
 	// 启动服务发现
-	if as.useDiscover {
-		_, port, _ := net.SplitHostPort(as.Addr)
+	if ws.useDiscover {
+		_, port, _ := net.SplitHostPort(ws.Addr)
 		ip := GetServerIp()
 		discoverAddr := fmt.Sprintf("%s:%s", ip, port)
 
@@ -163,52 +151,98 @@ func (as *AsyncServer) start() {
 			registry = "127.0.0.1:6379::15" // Default fallback
 		}
 
-		as.discoverer = discover.Start(registry, appName, discoverAddr, log.DefaultLogger, discConf)
-		GlobalDiscoverer = as.discoverer
-		if as.discoverer != nil {
-			log.DefaultLogger.Info("discover registered", "app", appName, "addr", discoverAddr)
+		ws.discoverer = discover.Start(registry, appName, discoverAddr, logger, discConf)
+		GlobalDiscoverer = ws.discoverer
+		if ws.discoverer != nil {
+			logger.Info("discover registered", "app", appName, "addr", discoverAddr)
 		}
 	}
 
-	signal.Notify(as.stopChan, os.Interrupt, syscall.SIGTERM)
+	errChan := make(chan error, 1)
 
 	go func() {
-		log.DefaultLogger.Info("service starting", "addr", as.Addr, "proto", protocol)
-		as.startChan <- true
-		if err := as.server.Serve(listener); err != nil && err != http.ErrServerClosed {
-			log.DefaultLogger.Error("server error", "error", err.Error())
+		logger.Info("service starting", "addr", ws.Addr, "proto", protocol)
+		if err := ws.server.Serve(listener); err != nil && err != http.ErrServerClosed {
+			errChan <- err
 		}
+		close(errChan)
 	}()
-}
 
-// Stop 停止服务
-func (as *AsyncServer) Stop() {
-	log.DefaultLogger.Info("service stopping")
-	if as.discoverer != nil {
-		as.discoverer.Stop()
+	// 短暂等待验证是否闪退
+	select {
+	case err := <-errChan:
+		if err != nil {
+			return err
+		}
+	case <-time.After(100 * time.Millisecond):
 	}
 
+	return nil
+}
+
+// Stop 停止服务，实现 starter.Service 接口
+func (ws *WebServer) Stop(ctx context.Context) error {
+	log.DefaultLogger.Info("service stopping")
+	if ws.discoverer != nil {
+		ws.discoverer.Stop()
+	}
+	if ws.server != nil {
+		if err := ws.server.Shutdown(ctx); err != nil {
+			return err
+		}
+	}
+	log.DefaultLogger.Info("service stopped")
+	return nil
+}
+
+// Health 检查服务健康状态，实现 starter.Service 接口
+func (ws *WebServer) Health() error {
+	if ws.server == nil {
+		return fmt.Errorf("server is not running")
+	}
+	return nil
+}
+
+// Reload 实现配置重新加载，实现 starter.Reloader 接口
+func (ws *WebServer) Reload() error {
+	log.DefaultLogger.Info("reloading configurations...")
+	return triggerReload()
+}
+
+// AsyncServer 兼容旧版异步服务实例
+type AsyncServer struct {
+	*WebServer
+}
+
+// Stop 兼容旧版的无参数停止方法
+func (as *AsyncServer) Stop() {
 	stopTimeout := time.Duration(Config.StopTimeout) * time.Millisecond
 	if stopTimeout <= 0 {
 		stopTimeout = 5 * time.Second
 	}
-
 	ctx, cancel := context.WithTimeout(context.Background(), stopTimeout)
 	defer cancel()
-
-	if err := as.server.Shutdown(ctx); err != nil {
-		log.DefaultLogger.Error("server shutdown error", "error", err.Error())
-	}
-	log.DefaultLogger.Info("service stopped")
+	_ = as.WebServer.Stop(ctx)
 }
 
-// Wait 等待服务结束 (信号监听)
+// AsyncStart 兼容旧版的异步启动方法
+func AsyncStart() *AsyncServer {
+	ws := NewWebServer()
+	_ = ws.Start(context.Background(), log.DefaultLogger)
+	return &AsyncServer{WebServer: ws}
+}
+
+// Wait 等待服务结束 (兼容旧版，直接阻塞)
 func (as *AsyncServer) Wait() {
-	<-as.stopChan
-	as.Stop()
+	select {}
 }
 
-// Start 同步启动服务
+// Start 兼容旧版的同步启动方法 (通过内部注册 starter 实现)
 func Start() {
-	AsyncStart().Wait()
+	stopTimeout := time.Duration(Config.StopTimeout) * time.Millisecond
+	if stopTimeout <= 0 {
+		stopTimeout = 5 * time.Second
+	}
+	starter.Register("web-server", NewWebServer(), 100, 5*time.Second, stopTimeout)
+	starter.Run()
 }
diff --git a/static.go b/static.go
index ab3db34..d86175d 100644
--- a/static.go
+++ b/static.go
@@ -43,6 +43,29 @@ func StaticByHost(path, rootPath, host string) {
 	}
 }
 
+// ReplaceStatics 使用 Copy-on-Write 机制原子地替换指定 host 下的所有静态目录规则
+func ReplaceStatics(host string, config map[string]string) {
+	newStatics := make(map[string]*string, len(config))
+	for path, rootPath := range config {
+		rp := rootPath
+		if !filepath.IsAbs(rp) {
+			if absPath, err := filepath.Abs(rp); err == nil {
+				rp = absPath
+			}
+		}
+		newStatics[path] = &rp
+	}
+
+	staticsByHostLock.Lock()
+	defer staticsByHostLock.Unlock()
+	
+	if host == "" {
+		statics = newStatics
+	} else {
+		staticsByHost[host] = newStatics
+	}
+}
+
 func getStaticFilePath(requestPath, host string) string {
 	staticsByHostLock.RLock()
 	defer staticsByHostLock.RUnlock()