diff --git a/cmd/dashboard/controller/controller.go b/cmd/dashboard/controller/controller.go
index 5132d32..9a943c4 100644
--- a/cmd/dashboard/controller/controller.go
+++ b/cmd/dashboard/controller/controller.go
@@ -92,6 +92,7 @@ func routers(r *gin.Engine) {
 	auth.GET("/server", commonHandler(listServer))
 	auth.PATCH("/server/:id", commonHandler(updateServer))
 	auth.POST("/batch-delete/server", commonHandler(batchDeleteServer))
+	auth.POST("/force-update/server", commonHandler(forceUpdateServer))
 
 	auth.GET("/notification", commonHandler(listNotification))
 	auth.POST("/notification", commonHandler(createNotification))
diff --git a/cmd/dashboard/controller/server.go b/cmd/dashboard/controller/server.go
index 03f1712..71a105c 100644
--- a/cmd/dashboard/controller/server.go
+++ b/cmd/dashboard/controller/server.go
@@ -8,6 +8,7 @@ import (
 
 	"github.com/naiba/nezha/model"
 	"github.com/naiba/nezha/pkg/utils"
+	pb "github.com/naiba/nezha/proto"
 	"github.com/naiba/nezha/service/singleton"
 )
 
@@ -129,3 +130,42 @@ func batchDeleteServer(c *gin.Context) (any, error) {
 
 	return nil, nil
 }
+
+// Force update Agent
+// @Summary Force update Agent
+// @Security BearerAuth
+// @Schemes
+// @Description Force update Agent
+// @Tags auth required
+// @Accept json
+// @param request body []uint64 true "id list"
+// @Produce json
+// @Success 200 {object} model.CommonResponse[model.ForceUpdateResponse]
+// @Router /force-update/server [post]
+func forceUpdateServer(c *gin.Context) (*model.ForceUpdateResponse, error) {
+	var forceUpdateServers []uint64
+	if err := c.ShouldBindJSON(&forceUpdateServers); err != nil {
+		return nil, err
+	}
+
+	forceUpdateResp := new(model.ForceUpdateResponse)
+
+	for _, sid := range forceUpdateServers {
+		singleton.ServerLock.RLock()
+		server := singleton.ServerList[sid]
+		singleton.ServerLock.RUnlock()
+		if server != nil && server.TaskStream != nil {
+			if err := server.TaskStream.Send(&pb.Task{
+				Type: model.TaskTypeUpgrade,
+			}); err != nil {
+				forceUpdateResp.Failure = append(forceUpdateResp.Failure, sid)
+			} else {
+				forceUpdateResp.Success = append(forceUpdateResp.Success, sid)
+			}
+		} else {
+			forceUpdateResp.Offline = append(forceUpdateResp.Offline, sid)
+		}
+	}
+
+	return forceUpdateResp, nil
+}
diff --git a/model/server_api.go b/model/server_api.go
index ddd5abe..867bd7c 100644
--- a/model/server_api.go
+++ b/model/server_api.go
@@ -27,3 +27,9 @@ type ServerForm struct {
 	EnableDDNS   bool     `json:"enable_ddns,omitempty" validate:"optional"`    // 启用DDNS
 	DDNSProfiles []uint64 `gorm:"-" json:"ddns_profiles,omitempty"`             // DDNS配置
 }
+
+type ForceUpdateResponse struct {
+	Success []uint64 `json:"success,omitempty" validate:"optional"`
+	Failure []uint64 `json:"failure,omitempty" validate:"optional"`
+	Offline []uint64 `json:"offline,omitempty" validate:"optional"`
+}
diff --git a/service/singleton/crontask.go b/service/singleton/crontask.go
index 5cda99d..7dc790e 100644
--- a/service/singleton/crontask.go
+++ b/service/singleton/crontask.go
@@ -1,9 +1,9 @@
 package singleton
 
 import (
-	"bytes"
 	"fmt"
 	"slices"
+	"strings"
 	"sync"
 
 	"github.com/jinzhu/copier"
@@ -33,7 +33,7 @@ func loadCronTasks() {
 	DB.Find(&CronList)
 	var err error
 	var notificationGroupList []uint64
-	notificationMsgMap := make(map[uint64]*bytes.Buffer)
+	notificationMsgMap := make(map[uint64]*strings.Builder)
 	for _, cron := range CronList {
 		// 触发任务类型无需注册
 		if cron.TaskType == model.CronTypeTriggerTask {
@@ -48,7 +48,7 @@ func loadCronTasks() {
 			// 当前通知组首次出现 将其加入通知组列表并初始化通知组消息缓存
 			if _, ok := notificationMsgMap[cron.NotificationGroupID]; !ok {
 				notificationGroupList = append(notificationGroupList, cron.NotificationGroupID)
-				notificationMsgMap[cron.NotificationGroupID] = bytes.NewBufferString("")
+				notificationMsgMap[cron.NotificationGroupID] = new(strings.Builder)
 				notificationMsgMap[cron.NotificationGroupID].WriteString(Localizer.T("Tasks failed to register: ["))
 			}
 			notificationMsgMap[cron.NotificationGroupID].WriteString(fmt.Sprintf("%d,", cron.ID))