diff --git a/cmd/gost/config.go b/cmd/gost/config.go
index 0229c11..ab6381c 100644
--- a/cmd/gost/config.go
+++ b/cmd/gost/config.go
@@ -14,6 +14,7 @@ import (
 	ingress_parser "github.com/go-gost/x/config/parsing/ingress"
 	limiter_parser "github.com/go-gost/x/config/parsing/limiter"
 	logger_parser "github.com/go-gost/x/config/parsing/logger"
+	observer_parser "github.com/go-gost/x/config/parsing/observer"
 	recorder_parser "github.com/go-gost/x/config/parsing/recorder"
 	resolver_parser "github.com/go-gost/x/config/parsing/resolver"
 	router_parser "github.com/go-gost/x/config/parsing/router"
@@ -106,6 +107,13 @@ func buildService(cfg *config.Config) (services []service.Service) {
 		}
 	}
 
+	for _, observerCfg := range cfg.Observers {
+		if h := observer_parser.ParseObserver(observerCfg); h != nil {
+			if err := registry.ObserverRegistry().Register(observerCfg.Name, h); err != nil {
+				log.Fatal(err)
+			}
+		}
+	}
 	for _, recorderCfg := range cfg.Recorders {
 		if h := recorder_parser.ParseRecorder(recorderCfg); h != nil {
 			if err := registry.RecorderRegistry().Register(recorderCfg.Name, h); err != nil {
diff --git a/cmd/gost/program.go b/cmd/gost/program.go
index ac2a7e9..c215c19 100644
--- a/cmd/gost/program.go
+++ b/cmd/gost/program.go
@@ -188,6 +188,7 @@ func (p *program) mergeConfig(cfg1, cfg2 *config.Config) *config.Config {
 		RLimiters:  append(cfg1.RLimiters, cfg2.RLimiters...),
 		Loggers:    append(cfg1.Loggers, cfg2.Loggers...),
 		Routers:    append(cfg1.Routers, cfg2.Routers...),
+		Observers:  append(cfg1.Observers, cfg2.Observers...),
 		TLS:        cfg1.TLS,
 		Log:        cfg1.Log,
 		API:        cfg1.API,
diff --git a/go.mod b/go.mod
index 3a29a42..05bafcf 100644
--- a/go.mod
+++ b/go.mod
@@ -5,8 +5,8 @@ go 1.21
 replace github.com/templexxx/cpu v0.0.7 => github.com/templexxx/cpu v0.0.10-0.20211111114238-98168dcec14a
 
 require (
-	github.com/go-gost/core v0.0.0-20231219132306-6b5c04b5e446
-	github.com/go-gost/x v0.0.0-20231227112431-e1ae379048a5
+	github.com/go-gost/core v0.0.0-20240103125300-5a427b4eaf99
+	github.com/go-gost/x v0.0.0-20240103125506-c959fc2f7376
 	github.com/judwhite/go-svc v1.2.1
 )
 
@@ -28,7 +28,7 @@ require (
 	github.com/gin-gonic/gin v1.9.1 // indirect
 	github.com/go-gost/gosocks4 v0.0.1 // indirect
 	github.com/go-gost/gosocks5 v0.4.0 // indirect
-	github.com/go-gost/plugin v0.0.0-20231119084331-d49a1cb23b3b // indirect
+	github.com/go-gost/plugin v0.0.0-20240103125338-9c84e29cb81a // indirect
 	github.com/go-gost/relay v0.4.1-0.20230916134211-828f314ddfe7 // indirect
 	github.com/go-gost/tls-dissector v0.0.2-0.20220408131628-aac992c27451 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
diff --git a/go.sum b/go.sum
index 98ba37c..e94baca 100644
--- a/go.sum
+++ b/go.sum
@@ -49,20 +49,20 @@ github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE
 github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
 github.com/gin-gonic/gin v1.9.1 h1:4idEAncQnU5cB7BeOkPtxjfCSye0AAm1R0RVIqJ+Jmg=
 github.com/gin-gonic/gin v1.9.1/go.mod h1:hPrL7YrpYKXt5YId3A/Tnip5kqbEAP+KLuI3SUcPTeU=
-github.com/go-gost/core v0.0.0-20231219132306-6b5c04b5e446 h1:H7VyfQOOAH7smDQ41O/mMClFv8MyflVk5AO9uIp7qXg=
-github.com/go-gost/core v0.0.0-20231219132306-6b5c04b5e446/go.mod h1:ndkgWVYRLwupVaFFWv8ML1Nr8tD3xhHK245PLpUDg4E=
+github.com/go-gost/core v0.0.0-20240103125300-5a427b4eaf99 h1:/0hmilnQBEDlOaRcO+TlwaHH8a5ig6nc2aAsU4FGZcw=
+github.com/go-gost/core v0.0.0-20240103125300-5a427b4eaf99/go.mod h1:ndkgWVYRLwupVaFFWv8ML1Nr8tD3xhHK245PLpUDg4E=
 github.com/go-gost/gosocks4 v0.0.1 h1:+k1sec8HlELuQV7rWftIkmy8UijzUt2I6t+iMPlGB2s=
 github.com/go-gost/gosocks4 v0.0.1/go.mod h1:3B6L47HbU/qugDg4JnoFPHgJXE43Inz8Bah1QaN9qCc=
 github.com/go-gost/gosocks5 v0.4.0 h1:EIrOEkpJez4gwHrMa33frA+hHXJyevjp47thpMQsJzI=
 github.com/go-gost/gosocks5 v0.4.0/go.mod h1:1G6I7HP7VFVxveGkoK8mnprnJqSqJjdcASKsdUn4Pp4=
-github.com/go-gost/plugin v0.0.0-20231119084331-d49a1cb23b3b h1:ZmnYutflq+KOZK+Px5RDckorDSxTYlkT4aQbjTC8/C4=
-github.com/go-gost/plugin v0.0.0-20231119084331-d49a1cb23b3b/go.mod h1:qXr2Zm9Ex2ATqnWuNUzVZqySPMnuIihvblYZt4MlZLw=
+github.com/go-gost/plugin v0.0.0-20240103125338-9c84e29cb81a h1:ME7P1Brcg4C640DSPqlvQr7JuvvQfJ8QpmS3yCFlK3A=
+github.com/go-gost/plugin v0.0.0-20240103125338-9c84e29cb81a/go.mod h1:qXr2Zm9Ex2ATqnWuNUzVZqySPMnuIihvblYZt4MlZLw=
 github.com/go-gost/relay v0.4.1-0.20230916134211-828f314ddfe7 h1:qAG1OyjvdA5h221CfFSS3J359V3d2E7dJWyP29QoDSI=
 github.com/go-gost/relay v0.4.1-0.20230916134211-828f314ddfe7/go.mod h1:lcX+23LCQ3khIeASBo+tJ/WbwXFO32/N5YN6ucuYTG8=
 github.com/go-gost/tls-dissector v0.0.2-0.20220408131628-aac992c27451 h1:xj8gUZGYO3nb5+6Bjw9+tsFkA9sYynrOvDvvC4uDV2I=
 github.com/go-gost/tls-dissector v0.0.2-0.20220408131628-aac992c27451/go.mod h1:/9QfdewqmHdaE362Hv5nDaSWLx3pCmtD870d6GaquXs=
-github.com/go-gost/x v0.0.0-20231227112431-e1ae379048a5 h1:wd0kauz1Su3UP7Z3zlf/zR4RZVnVW3Lcsg0mUSyj/tc=
-github.com/go-gost/x v0.0.0-20231227112431-e1ae379048a5/go.mod h1:DomeGDRedoAv33nq3R/pB9wSNQBYDcCAq7OZbOuOwMw=
+github.com/go-gost/x v0.0.0-20240103125506-c959fc2f7376 h1:ZLaIjEbo/pGxK9Mw4RUTqsi0be9n22YnC7tsb6cHtnE=
+github.com/go-gost/x v0.0.0-20240103125506-c959fc2f7376/go.mod h1:aZsf9kureYawzhBhxsl/IOTYgO7Tt3TETQ5xxXmRw5E=
 github.com/go-logr/logr v1.2.4 h1:g01GSCwiDw2xSZfjJ2/T9M+S6pFdcNtFYsp+Y43HYDQ=
 github.com/go-logr/logr v1.2.4/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
 github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s=