diff --git a/common/version.go b/common/version.go
index feb4161..b7ad0ad 100644
--- a/common/version.go
+++ b/common/version.go
@@ -1,3 +1,4 @@
 package common
 
 const Version = "0.4.4"
+const SERVICENAME = "CasaOS-UserService"
diff --git a/go.mod b/go.mod
index bfe4c38..a2829b2 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/IceWhaleTech/CasaOS-UserService
 go 1.20
 
 require (
-	github.com/IceWhaleTech/CasaOS-Common v0.4.8-alpha3
+	github.com/IceWhaleTech/CasaOS-Common v0.4.8-alpha12
 	github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf
 	github.com/deepmap/oapi-codegen v1.12.4
 	github.com/getkin/kin-openapi v0.117.0
diff --git a/main.go b/main.go
index 67a9041..5d886bf 100644
--- a/main.go
+++ b/main.go
@@ -3,6 +3,7 @@
 package main
 
 import (
+	"context"
 	_ "embed"
 	"flag"
 	"fmt"
@@ -18,6 +19,7 @@ import (
 	util_http "github.com/IceWhaleTech/CasaOS-Common/utils/http"
 	"github.com/IceWhaleTech/CasaOS-Common/utils/jwt"
 	"github.com/IceWhaleTech/CasaOS-Common/utils/logger"
+	"github.com/IceWhaleTech/CasaOS-UserService/codegen/message_bus"
 	"github.com/IceWhaleTech/CasaOS-UserService/common"
 	"github.com/IceWhaleTech/CasaOS-UserService/pkg/config"
 	"github.com/IceWhaleTech/CasaOS-UserService/pkg/sqlite"
@@ -154,6 +156,23 @@ func main() {
 	go route.EventListen()
 	logger.Info("User service is listening...", zap.Any("address", listener.Addr().String()), zap.String("filepath", addressFilePath))
 
+	var events []message_bus.EventType
+	events = append(events, message_bus.EventType{Name: "zimaos:user:save_config", SourceID: common.SERVICENAME, PropertyTypeList: []message_bus.PropertyType{}})
+	// register at message bus
+	for i := 0; i < 10; i++ {
+		response, err := service.MyService.MessageBus().RegisterEventTypesWithResponse(context.Background(), events)
+		if err != nil {
+			logger.Error("error when trying to register one or more event types - some event type will not be discoverable", zap.Error(err))
+		}
+		if response != nil && response.StatusCode() != http.StatusOK {
+			logger.Error("error when trying to register one or more event types - some event type will not be discoverable", zap.String("status", response.Status()), zap.String("body", string(response.Body)))
+		}
+		if response.StatusCode() == http.StatusOK {
+			break
+		}
+		time.Sleep(time.Second)
+	}
+
 	s := &http.Server{
 		Handler:           mux,
 		ReadHeaderTimeout: 5 * time.Second, // fix G112: Potential slowloris attack (see https://github.com/securego/gosec)
diff --git a/route/v1/user.go b/route/v1/user.go
index c772c95..87e0077 100644
--- a/route/v1/user.go
+++ b/route/v1/user.go
@@ -1,6 +1,7 @@
 package v1
 
 import (
+	"context"
 	"crypto/ecdsa"
 	"encoding/base64"
 	json2 "encoding/json"
@@ -21,6 +22,7 @@ import (
 	"github.com/IceWhaleTech/CasaOS-Common/utils/common_err"
 	"github.com/IceWhaleTech/CasaOS-Common/utils/jwt"
 	"github.com/IceWhaleTech/CasaOS-Common/utils/logger"
+	"github.com/IceWhaleTech/CasaOS-UserService/common"
 	"github.com/IceWhaleTech/CasaOS-UserService/model"
 	"github.com/IceWhaleTech/CasaOS-UserService/model/system_model"
 	"github.com/IceWhaleTech/CasaOS-UserService/pkg/config"
@@ -508,6 +510,20 @@ func PostUserCustomConf(c *gin.Context) {
 		return
 	}
 
+	if name == "system" {
+		dataMap := make(map[string]string, 1)
+		dataMap["system"] = string(data)
+		response, err := service.MyService.MessageBus().PublishEventWithResponse(context.Background(), common.SERVICENAME, "zimaos:user:save_config", dataMap)
+		if err != nil {
+			logger.Error("failed to publish event to message bus", zap.Error(err), zap.Any("event", string(data)))
+			return
+		}
+		if response.StatusCode() != http.StatusOK {
+			logger.Error("failed to publish event to message bus", zap.String("status", response.Status()), zap.Any("response", response))
+		}
+
+	}
+
 	c.JSON(common_err.SUCCESS, model.Result{Success: common_err.SUCCESS, Message: common_err.GetMsg(common_err.SUCCESS), Data: json2.RawMessage(string(data))})
 }
 
diff --git a/service/service.go b/service/service.go
index 8d29cab..8235635 100644
--- a/service/service.go
+++ b/service/service.go
@@ -2,6 +2,8 @@ package service
 
 import (
 	"github.com/IceWhaleTech/CasaOS-Common/external"
+	"github.com/IceWhaleTech/CasaOS-UserService/codegen/message_bus"
+	"github.com/IceWhaleTech/CasaOS-UserService/pkg/config"
 	"gorm.io/gorm"
 )
 
@@ -10,6 +12,7 @@ var MyService Repository
 type Repository interface {
 	Gateway() external.ManagementService
 	User() UserService
+	MessageBus() *message_bus.ClientWithResponses
 	Event() EventService
 }
 
@@ -43,3 +46,22 @@ func (c *store) Gateway() external.ManagementService {
 func (c *store) User() UserService {
 	return c.user
 }
+func (c *store) MessageBus() *message_bus.ClientWithResponses {
+	client, _ := message_bus.NewClientWithResponses("", func(c *message_bus.Client) error {
+		// error will never be returned, as we always want to return a client, even with wrong address,
+		// in order to avoid panic.
+		//
+		// If we don't avoid panic, message bus becomes a hard dependency, which is not what we want.
+
+		messageBusAddress, err := external.GetMessageBusAddress(config.CommonInfo.RuntimePath)
+		if err != nil {
+			c.Server = "message bus address not found"
+			return nil
+		}
+
+		c.Server = messageBusAddress
+		return nil
+	})
+
+	return client
+}