diff --git a/mayfly_go_web/src/components/SearchForm/index.vue b/mayfly_go_web/src/components/SearchForm/index.vue
index 1edfd0a2..5c594a6a 100644
--- a/mayfly_go_web/src/components/SearchForm/index.vue
+++ b/mayfly_go_web/src/components/SearchForm/index.vue
@@ -14,7 +14,7 @@
                             <span>:</span>
                         </template>
 
-                        <SearchFormItem v-if="!item.slot" :item="item" v-model="searchParam[item.prop]" />
+                        <SearchFormItem @keyup.enter="handleItemKeyupEnter(item)" v-if="!item.slot" :item="item" v-model="searchParam[item.prop]" />
 
                         <slot v-else :name="item.slot"></slot>
                     </el-form-item>
@@ -98,6 +98,12 @@ const showCollapse = computed(() => {
     }, 0);
     return show;
 });
+
+const handleItemKeyupEnter = (item: SearchItem) => {
+    if (item.type == 'input') {
+        props.search(searchParam);
+    }
+};
 </script>
 <style lang="scss">
 .search-form {
diff --git a/mayfly_go_web/src/components/pagetable/PageTable.vue b/mayfly_go_web/src/components/pagetable/PageTable.vue
index dbecc0e2..bc1c3c22 100644
--- a/mayfly_go_web/src/components/pagetable/PageTable.vue
+++ b/mayfly_go_web/src/components/pagetable/PageTable.vue
@@ -1,12 +1,14 @@
 <template>
     <div>
-        <!-- 查询表单 -->
-        <SearchForm v-show="isShowSearch" :items="searchItems" v-model="queryForm_" :search="queryData" :reset="reset" :search-col="searchCol">
-            <!-- 遍历父组件传入的 solts 透传给子组件 -->
-            <template v-for="(_, key) in useSlots()" v-slot:[key]>
-                <slot :name="key"></slot>
-            </template>
-        </SearchForm>
+        <transition name="el-zoom-in-top">
+            <!-- 查询表单 -->
+            <SearchForm v-show="isShowSearch" :items="searchItems" v-model="queryForm_" :search="queryData" :reset="reset" :search-col="searchCol">
+                <!-- 遍历父组件传入的 solts 透传给子组件 -->
+                <template v-for="(_, key) in useSlots()" v-slot:[key]>
+                    <slot :name="key"></slot>
+                </template>
+            </SearchForm>
+        </transition>
 
         <el-card>
             <div class="table-main">
diff --git a/server/internal/common/consts/consts.go b/server/internal/common/consts/consts.go
index 28fba258..37b85e18 100644
--- a/server/internal/common/consts/consts.go
+++ b/server/internal/common/consts/consts.go
@@ -20,4 +20,7 @@ const (
 	TagResourceTypeDb      = 2
 	TagResourceTypeRedis   = 3
 	TagResourceTypeMongo   = 4
+
+	// 删除机器的事件主题名
+	DeleteMachineEventTopic = "machine:delete"
 )
diff --git a/server/internal/db/application/db.go b/server/internal/db/application/db.go
index d13e591c..a0d59355 100644
--- a/server/internal/db/application/db.go
+++ b/server/internal/db/application/db.go
@@ -124,9 +124,18 @@ func (d *dbAppImpl) Delete(ctx context.Context, id uint64) error {
 		// 关闭连接
 		dbm.CloseDb(id, v)
 	}
-	// 删除该库下用户保存的所有sql信息
-	d.dbSqlRepo.DeleteByCond(ctx, &entity.DbSql{DbId: id})
-	return d.DeleteById(ctx, id)
+
+	return d.Tx(ctx,
+		func(ctx context.Context) error {
+			return d.DeleteById(ctx, id)
+		},
+		func(ctx context.Context) error {
+			// 删除该库下用户保存的所有sql信息
+			return d.dbSqlRepo.DeleteByCond(ctx, &entity.DbSql{DbId: id})
+		}, func(ctx context.Context) error {
+			var tagIds []uint64
+			return d.tagApp.RelateResource(ctx, db.Code, consts.TagResourceTypeDb, tagIds)
+		})
 }
 
 func (d *dbAppImpl) GetDbConn(dbId uint64, dbName string) (*dbm.DbConn, error) {
diff --git a/server/internal/machine/api/machine_file.go b/server/internal/machine/api/machine_file.go
index 5fae9691..dcc9a120 100644
--- a/server/internal/machine/api/machine_file.go
+++ b/server/internal/machine/api/machine_file.go
@@ -59,7 +59,7 @@ func (m *MachineFile) SaveMachineFiles(rc *req.Ctx) {
 }
 
 func (m *MachineFile) DeleteFile(rc *req.Ctx) {
-	biz.ErrIsNil(m.MachineFileApp.Delete(rc.MetaCtx, GetMachineFileId(rc.GinCtx)))
+	biz.ErrIsNil(m.MachineFileApp.DeleteById(rc.MetaCtx, GetMachineFileId(rc.GinCtx)))
 }
 
 /***      sftp相关操作      */
diff --git a/server/internal/machine/application/machine.go b/server/internal/machine/application/machine.go
index 7b3215a5..35e5d656 100644
--- a/server/internal/machine/application/machine.go
+++ b/server/internal/machine/application/machine.go
@@ -12,14 +12,12 @@ import (
 	tagapp "mayfly-go/internal/tag/application"
 	"mayfly-go/pkg/base"
 	"mayfly-go/pkg/errorx"
-	"mayfly-go/pkg/gormx"
+	"mayfly-go/pkg/global"
 	"mayfly-go/pkg/logx"
 	"mayfly-go/pkg/model"
 	"mayfly-go/pkg/scheduler"
 	"mayfly-go/pkg/utils/stringx"
 	"time"
-
-	"gorm.io/gorm"
 )
 
 type Machine interface {
@@ -51,11 +49,14 @@ type Machine interface {
 	GetMachineStats(machineId uint64) (*mcm.Stats, error)
 }
 
-func newMachineApp(machineRepo repository.Machine, authCertApp AuthCert, tagApp tagapp.TagTree) Machine {
+func newMachineApp(machineRepo repository.Machine,
+	authCertApp AuthCert,
+	tagApp tagapp.TagTree) Machine {
 	app := &machineAppImpl{
 		authCertApp: authCertApp,
 		tagApp:      tagApp,
 	}
+
 	app.Repo = machineRepo
 	return app
 }
@@ -141,22 +142,22 @@ func (m *machineAppImpl) ChangeStatus(ctx context.Context, id uint64, status int
 
 // 根据条件获取机器信息
 func (m *machineAppImpl) Delete(ctx context.Context, id uint64) error {
+	machine, err := m.GetById(new(entity.Machine), id)
+	if err != nil {
+		return errorx.NewBiz("机器信息不存在")
+	}
 	// 关闭连接
 	mcm.DeleteCli(id)
-	return gormx.Tx(
-		func(db *gorm.DB) error {
-			// 删除machine表信息
-			return gormx.DeleteByIdWithDb(db, new(entity.Machine), id)
-		},
-		func(db *gorm.DB) error {
-			// 删除machine_file
-			return gormx.DeleteByWithDb(db, &entity.MachineFile{MachineId: id})
-		},
-		func(db *gorm.DB) error {
-			// 删除machine_script
-			return gormx.DeleteByWithDb(db, &entity.MachineScript{MachineId: id})
-		},
-	)
+
+	// 发布机器删除事件
+	global.EventBus.Publish(ctx, consts.DeleteMachineEventTopic, machine)
+	return m.Tx(ctx,
+		func(ctx context.Context) error {
+			return m.DeleteById(ctx, id)
+		}, func(ctx context.Context) error {
+			var tagIds []uint64
+			return m.tagApp.RelateResource(ctx, machine.Code, consts.TagResourceTypeMachine, tagIds)
+		})
 }
 
 func (m *machineAppImpl) GetCli(machineId uint64) (*mcm.Cli, error) {
diff --git a/server/internal/machine/application/machine_cronjob.go b/server/internal/machine/application/machine_cronjob.go
index a718b215..50f03af6 100644
--- a/server/internal/machine/application/machine_cronjob.go
+++ b/server/internal/machine/application/machine_cronjob.go
@@ -137,6 +137,11 @@ func (m *machineCropJobAppImpl) CronJobRelateMachines(ctx context.Context, cronJ
 }
 
 func (m *machineCropJobAppImpl) MachineRelateCronJobs(ctx context.Context, machineId uint64, cronJobs []uint64) {
+	if len(cronJobs) == 0 {
+		m.machineCropJobRelateRepo.DeleteByCond(ctx, &entity.MachineCronJobRelate{MachineId: machineId})
+		return
+	}
+
 	oldCronIds := m.machineCropJobRelateRepo.GetCronJobIds(machineId)
 	addIds, delIds, _ := collx.ArrayCompare[uint64](cronJobs, oldCronIds, func(u1, u2 uint64) bool { return u1 == u2 })
 	addVals := make([]*entity.MachineCronJobRelate, 0)
diff --git a/server/internal/machine/application/machine_file.go b/server/internal/machine/application/machine_file.go
index 1a363674..42f908e5 100644
--- a/server/internal/machine/application/machine_file.go
+++ b/server/internal/machine/application/machine_file.go
@@ -9,6 +9,7 @@ import (
 	"mayfly-go/internal/machine/domain/entity"
 	"mayfly-go/internal/machine/domain/repository"
 	"mayfly-go/internal/machine/mcm"
+	"mayfly-go/pkg/base"
 	"mayfly-go/pkg/errorx"
 	"mayfly-go/pkg/logx"
 	"mayfly-go/pkg/model"
@@ -19,19 +20,16 @@ import (
 )
 
 type MachineFile interface {
+	base.App[*entity.MachineFile]
+
 	// 分页获取机器文件信息列表
 	GetPageList(condition *entity.MachineFile, pageParam *model.PageParam, toEntity any, orderBy ...string) (*model.PageResult[any], error)
 
 	// 根据条件获取
 	GetMachineFile(condition *entity.MachineFile, cols ...string) error
 
-	// 根据id获取
-	GetById(id uint64, cols ...string) *entity.MachineFile
-
 	Save(ctx context.Context, entity *entity.MachineFile) error
 
-	Delete(ctx context.Context, id uint64) error
-
 	// 获取文件关联的机器信息，主要用于记录日志使用
 	// GetMachine(fileId uint64) *mcm.Info
 
@@ -75,11 +73,14 @@ type MachineFile interface {
 }
 
 func newMachineFileApp(machineFileRepo repository.MachineFile, machineApp Machine) MachineFile {
-	return &machineFileAppImpl{machineApp: machineApp, machineFileRepo: machineFileRepo}
-
+	app := &machineFileAppImpl{machineApp: machineApp, machineFileRepo: machineFileRepo}
+	app.Repo = machineFileRepo
+	return app
 }
 
 type machineFileAppImpl struct {
+	base.AppImpl[*entity.MachineFile, repository.MachineFile]
+
 	machineFileRepo repository.MachineFile
 
 	machineApp Machine
@@ -95,15 +96,6 @@ func (m *machineFileAppImpl) GetMachineFile(condition *entity.MachineFile, cols
 	return m.machineFileRepo.GetBy(condition, cols...)
 }
 
-// 根据id获取
-func (m *machineFileAppImpl) GetById(id uint64, cols ...string) *entity.MachineFile {
-	mf := new(entity.MachineFile)
-	if err := m.machineFileRepo.GetById(mf, id, cols...); err == nil {
-		return mf
-	}
-	return nil
-}
-
 // 保存机器文件配置
 func (m *machineFileAppImpl) Save(ctx context.Context, mf *entity.MachineFile) error {
 	_, err := m.machineApp.GetById(new(entity.Machine), mf.MachineId, "Name")
@@ -118,10 +110,6 @@ func (m *machineFileAppImpl) Save(ctx context.Context, mf *entity.MachineFile) e
 	return m.machineFileRepo.Insert(ctx, mf)
 }
 
-func (m *machineFileAppImpl) Delete(ctx context.Context, id uint64) error {
-	return m.machineFileRepo.DeleteById(ctx, id)
-}
-
 func (m *machineFileAppImpl) ReadDir(fid uint64, path string) ([]fs.FileInfo, error) {
 	if !strings.HasSuffix(path, "/") {
 		path = path + "/"
@@ -309,8 +297,8 @@ func (m *machineFileAppImpl) Rename(fileId uint64, oldname string, newname strin
 
 // 获取文件机器cli
 func (m *machineFileAppImpl) GetMachineCli(fid uint64, inputPath ...string) (*mcm.Cli, error) {
-	mf := m.GetById(fid)
-	if mf == nil {
+	mf, err := m.GetById(new(entity.MachineFile), fid)
+	if err != nil {
 		return nil, errorx.NewBiz("文件不存在")
 	}
 
diff --git a/server/internal/machine/init/init.go b/server/internal/machine/init/init.go
index 659dec38..a3ecc1e8 100644
--- a/server/internal/machine/init/init.go
+++ b/server/internal/machine/init/init.go
@@ -1,8 +1,32 @@
 package init
 
-import "mayfly-go/internal/machine/application"
+import (
+	"context"
+	"mayfly-go/internal/common/consts"
+	"mayfly-go/internal/machine/application"
+	"mayfly-go/internal/machine/domain/entity"
+	"mayfly-go/pkg/eventbus"
+	"mayfly-go/pkg/global"
+)
 
 func Init() {
 	application.GetMachineCronJobApp().InitCronJob()
 	application.GetMachineApp().TimerUpdateStats()
+
+	global.EventBus.Subscribe(consts.DeleteMachineEventTopic, "machineFile", func(ctx context.Context, event *eventbus.Event) error {
+		me := event.Val.(*entity.Machine)
+		return application.GetMachineFileApp().DeleteByCond(ctx, &entity.MachineFile{MachineId: me.Id})
+	})
+
+	global.EventBus.Subscribe(consts.DeleteMachineEventTopic, "machineScript", func(ctx context.Context, event *eventbus.Event) error {
+		me := event.Val.(*entity.Machine)
+		return application.GetMachineScriptApp().DeleteByCond(ctx, &entity.MachineScript{MachineId: me.Id})
+	})
+
+	global.EventBus.Subscribe(consts.DeleteMachineEventTopic, "machineCronJob", func(ctx context.Context, event *eventbus.Event) error {
+		me := event.Val.(*entity.Machine)
+		var jobIds []uint64
+		application.GetMachineCronJobApp().MachineRelateCronJobs(ctx, me.Id, jobIds)
+		return nil
+	})
 }
diff --git a/server/internal/mongo/application/mongo.go b/server/internal/mongo/application/mongo.go
index 50e01375..5b56826e 100644
--- a/server/internal/mongo/application/mongo.go
+++ b/server/internal/mongo/application/mongo.go
@@ -51,8 +51,20 @@ func (d *mongoAppImpl) GetPageList(condition *entity.MongoQuery, pageParam *mode
 }
 
 func (d *mongoAppImpl) Delete(ctx context.Context, id uint64) error {
+	mongoEntity, err := d.GetById(new(entity.Mongo), id)
+	if err != nil {
+		return errorx.NewBiz("mongo信息不存在")
+	}
+
 	mgm.CloseConn(id)
-	return d.GetRepo().DeleteById(ctx, id)
+	return d.Tx(ctx,
+		func(ctx context.Context) error {
+			return d.DeleteById(ctx, id)
+		},
+		func(ctx context.Context) error {
+			var tagIds []uint64
+			return d.tagApp.RelateResource(ctx, mongoEntity.Code, consts.TagResourceTypeMongo, tagIds)
+		})
 }
 
 func (d *mongoAppImpl) TestConn(me *entity.Mongo) error {
diff --git a/server/internal/redis/application/redis.go b/server/internal/redis/application/redis.go
index 8441909e..c596ca60 100644
--- a/server/internal/redis/application/redis.go
+++ b/server/internal/redis/application/redis.go
@@ -123,7 +123,13 @@ func (r *redisAppImpl) Delete(ctx context.Context, id uint64) error {
 		db, _ := strconv.Atoi(dbStr)
 		rdm.CloseConn(re.Id, db)
 	}
-	return r.DeleteById(ctx, id)
+
+	return r.Tx(ctx, func(ctx context.Context) error {
+		return r.DeleteById(ctx, id)
+	}, func(ctx context.Context) error {
+		var tagIds []uint64
+		return r.tagApp.RelateResource(ctx, re.Code, consts.TagResourceTypeRedis, tagIds)
+	})
 }
 
 // 获取数据库连接实例
diff --git a/server/internal/tag/application/tag_tree.go b/server/internal/tag/application/tag_tree.go
index b8539c26..251af283 100644
--- a/server/internal/tag/application/tag_tree.go
+++ b/server/internal/tag/application/tag_tree.go
@@ -147,6 +147,14 @@ func (p *tagTreeAppImpl) GetAccountResourceCodes(accountId uint64, resourceType
 }
 
 func (p *tagTreeAppImpl) RelateResource(ctx context.Context, resourceCode string, resourceType int8, tagIds []uint64) error {
+	// 如果tagIds为空数组，则为解绑该标签资源关联关系
+	if len(tagIds) == 0 {
+		return p.tagResourceApp.DeleteByCond(ctx, &entity.TagResource{
+			ResourceCode: resourceCode,
+			ResourceType: resourceType,
+		})
+	}
+
 	var oldTagResources []*entity.TagResource
 	p.tagResourceApp.ListByQuery(&entity.TagResourceQuery{ResourceType: resourceType, ResourceCode: resourceCode}, &oldTagResources)
 
diff --git a/server/pkg/eventbus/eventbus.go b/server/pkg/eventbus/eventbus.go
new file mode 100644
index 00000000..2572818b
--- /dev/null
+++ b/server/pkg/eventbus/eventbus.go
@@ -0,0 +1,191 @@
+package eventbus
+
+import (
+	"context"
+	"errors"
+	"mayfly-go/pkg/logx"
+	"sync"
+)
+
+// BusSubscriber defines subscription-related bus behavior
+type BusSubscriber interface {
+	Subscribe(topic string, subId string, fn EventHandleFunc) error
+	SubscribeAsync(topic string, subId string, fn EventHandleFunc, transactional bool) error
+	SubscribeOnce(topic string, subId string, fn EventHandleFunc) error
+	Unsubscribe(topic string, subId string) error
+}
+
+// BusPublisher defines publishing-related bus behavior
+type BusPublisher interface {
+	Publish(ctx context.Context, topic string, val any)
+}
+
+// BusController defines bus control behavior (checking handler's presence, synchronization)
+type BusController interface {
+	WaitAsync()
+}
+
+// Bus englobes global (subscribe, publish, control) bus behavior
+type Bus interface {
+	BusController
+	BusSubscriber
+	BusPublisher
+}
+
+// EventBus - box for handlers and callbacks.
+type EventBus struct {
+	subscriberManager map[string]*SubscriberManager // topic -> SubscriberManager
+	lock              sync.Mutex                    // a lock for the map
+	wg                sync.WaitGroup
+}
+
+func New() Bus {
+	b := &EventBus{
+		make(map[string]*SubscriberManager),
+		sync.Mutex{},
+		sync.WaitGroup{},
+	}
+	return Bus(b)
+}
+
+type Event struct {
+	Topic string
+	Val   any
+}
+
+// 订阅者们的事件处理器
+type SubscriberManager struct {
+	// 事件处理器 subId -> handler
+	handlers map[string]*eventHandler
+}
+
+func NewSubscriberManager() *SubscriberManager {
+	return &SubscriberManager{
+		handlers: make(map[string]*eventHandler),
+	}
+}
+
+func (sm *SubscriberManager) addSubscriber(subId string, eventHandler *eventHandler) {
+	sm.handlers[subId] = eventHandler
+}
+
+func (sm *SubscriberManager) delSubscriber(subId string) {
+	delete(sm.handlers, subId)
+}
+
+// 事件处理函数
+type EventHandleFunc func(ctx context.Context, event *Event) error
+
+type eventHandler struct {
+	handlerFunc   EventHandleFunc // 事件处理函数
+	once          bool            // 是否只执行一次
+	async         bool
+	transactional bool
+
+	sync.Mutex // lock for an event handler - useful for running async callbacks serially
+}
+
+func (bus *EventBus) Subscribe(topic string, subId string, fn EventHandleFunc) error {
+	eh := &eventHandler{}
+	eh.handlerFunc = fn
+	return bus.doSubscribe(topic, subId, eh)
+}
+
+// SubscribeAsync subscribes to a topic with an asynchronous callback
+// Transactional determines whether subsequent callbacks for a topic are
+func (bus *EventBus) SubscribeAsync(topic string, subId string, fn EventHandleFunc, transactional bool) error {
+	eh := &eventHandler{}
+	eh.handlerFunc = fn
+	eh.async = true
+	return bus.doSubscribe(topic, subId, eh)
+}
+
+// SubscribeOnce subscribes to a topic once. Handler will be removed after executing.
+func (bus *EventBus) SubscribeOnce(topic string, subId string, fn EventHandleFunc) error {
+	eh := &eventHandler{}
+	eh.handlerFunc = fn
+	eh.once = true
+	return bus.doSubscribe(topic, subId, eh)
+}
+
+func (bus *EventBus) Unsubscribe(topic string, subId string) error {
+	bus.lock.Lock()
+	defer bus.lock.Unlock()
+	subManager := bus.subscriberManager[topic]
+	if subManager == nil {
+		return errors.New("该主题不存在订阅者")
+	}
+	subManager.delSubscriber(subId)
+	return nil
+}
+
+func (bus *EventBus) Publish(ctx context.Context, topic string, val any) {
+	bus.lock.Lock() // will unlock if handler is not found or always after setUpPublish
+	defer bus.lock.Unlock()
+	logx.Debugf("主题-[%s]-发布了事件", topic)
+	event := &Event{
+		Topic: topic,
+		Val:   val,
+	}
+	subscriberManager := bus.subscriberManager[topic]
+	if subscriberManager == nil {
+		return
+	}
+
+	handlers := subscriberManager.handlers
+	if len(handlers) == 0 {
+		return
+	}
+
+	for subId, handler := range handlers {
+		logx.Debugf("订阅者-[%s]-开始执行主题-[%s]-发布的事件", subId, topic)
+		if handler.once {
+			subscriberManager.delSubscriber(subId)
+		}
+		if !handler.async {
+			bus.doPublish(ctx, handler, event)
+		} else {
+			bus.wg.Add(1)
+			if handler.transactional {
+				bus.lock.Unlock()
+				handler.Lock()
+				bus.lock.Lock()
+			}
+			go bus.doPublishAsync(ctx, handler, event)
+		}
+	}
+}
+
+// WaitAsync waits for all async callbacks to complete
+func (bus *EventBus) WaitAsync() {
+	bus.wg.Wait()
+}
+
+func (bus *EventBus) doSubscribe(topic string, subId string, handler *eventHandler) error {
+	bus.lock.Lock()
+	defer bus.lock.Unlock()
+	logx.Debugf("订阅者-[%s]-订阅了主题-[%s]", subId, topic)
+	subManager := bus.subscriberManager[topic]
+	if subManager == nil {
+		subManager = NewSubscriberManager()
+		bus.subscriberManager[topic] = subManager
+	}
+	subManager.addSubscriber(subId, handler)
+	return nil
+}
+
+func (bus *EventBus) doPublish(ctx context.Context, handler *eventHandler, event *Event) error {
+	err := handler.handlerFunc(ctx, event)
+	if err != nil {
+		logx.Errorf("订阅者执行主题[%s]失败: %s", event.Topic, err.Error())
+	}
+	return err
+}
+
+func (bus *EventBus) doPublishAsync(ctx context.Context, handler *eventHandler, event *Event) {
+	defer bus.wg.Done()
+	if handler.transactional {
+		defer handler.Unlock()
+	}
+	bus.doPublish(ctx, handler, event)
+}
diff --git a/server/pkg/eventbus/eventbus_test.go b/server/pkg/eventbus/eventbus_test.go
new file mode 100644
index 00000000..8061e62f
--- /dev/null
+++ b/server/pkg/eventbus/eventbus_test.go
@@ -0,0 +1,44 @@
+package eventbus
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"testing"
+	"time"
+)
+
+func TestSubscribe(t *testing.T) {
+	bus := New()
+
+	bus.SubscribeAsync("topic", "sub5", func(ctx context.Context, event *Event) error {
+		time.Sleep(5 * time.Second)
+		fmt.Printf("%s -> %s -> %d\n", "sub5", event.Topic, event.Val)
+		return nil
+	}, true)
+
+	bus.SubscribeOnce("topic", "sub1", func(ctx context.Context, event *Event) error {
+		fmt.Printf("%s -> %s -> %d\n", "sub1", event.Topic, event.Val)
+		return nil
+	})
+
+	bus.Subscribe("topic", "sub2", func(ctx context.Context, event *Event) error {
+		time.Sleep(5 * time.Second)
+		return errors.New("失败。。。。")
+	})
+
+	bus.SubscribeAsync("topic", "sub3", func(ctx context.Context, event *Event) error {
+		fmt.Printf("%s -> %s -> %d\n", "sub3", event.Topic, event.Val)
+		return nil
+	}, false)
+
+	bus.SubscribeAsync("topic", "sub4", func(ctx context.Context, event *Event) error {
+		time.Sleep(5 * time.Second)
+		fmt.Printf("%s -> %s -> %d\n", "sub4", event.Topic, event.Val)
+		return nil
+	}, false)
+
+	bus.Publish(context.Background(), "topic", 10)
+	bus.Publish(context.Background(), "topic", 20)
+	bus.WaitAsync()
+}
diff --git a/server/pkg/global/global.go b/server/pkg/global/global.go
index 3734edbd..ae59d0e4 100644
--- a/server/pkg/global/global.go
+++ b/server/pkg/global/global.go
@@ -1,9 +1,13 @@
 package global
 
 import (
+	"mayfly-go/pkg/eventbus"
+
 	"gorm.io/gorm"
 )
 
 var (
 	Db *gorm.DB // gorm
+
+	EventBus eventbus.Bus = eventbus.New()
 )