diff --git a/lerna.json b/lerna.json
index 2ac7c299..e6af12b5 100644
--- a/lerna.json
+++ b/lerna.json
@@ -1,6 +1,5 @@
 {
   "version": "0.27.6",
-  "useWorkspaces": true,
   "npmClient": "yarn",
   "packages": [
     "packages/*"
diff --git a/package.json b/package.json
index a6c2dc64..f23c674b 100644
--- a/package.json
+++ b/package.json
@@ -10,18 +10,19 @@
         "clean": "lerna run clean",
         "watch": "lerna run watch --parallel",
         "build": "lerna run build",
-        "ug": "yarn upgrade-interactive --latest",
+        "ug": "yarn upgrade-interactive",
         "np": "./script/push.sh",
         "lsp": "npm login -scope=@ccms",
         "lp": "lerna publish --verify-access --force-publish",
         "lpb": "lerna publish --preid beta --dist-tag beta --verify-access --force-publish",
         "lpc": "lerna publish --canary --preid beta --pre-dist-tag beta --verify-access --force-publish",
-        "lpf": "lerna publish from-package --yes"
+        "lpf": "lerna publish from-package --yes",
+        "sync": "./script/sync.sh"
     },
     "workspaces": [
         "packages/*"
     ],
     "devDependencies": {
-        "lerna": "^6.4.1"
+        "lerna": "^7.1.4"
     }
 }
diff --git a/packages/api/src/event.ts b/packages/api/src/event.ts
index 5b50e756..591fc9de 100644
--- a/packages/api/src/event.ts
+++ b/packages/api/src/event.ts
@@ -25,7 +25,7 @@ export namespace event {
         public EventPriority = EventPriority;
 
         private mapEvent = [];
-        private listenerMap = [];
+        private pluginEventMap = [];
         private cacheSlowEventKey = {};
 
         protected baseEventDir = '';
@@ -130,7 +130,7 @@ export namespace event {
             if (!plugin || !plugin.description || !plugin.description.name) throw new TypeError(i18n.translate("ms.api.event.listen.plugin.name.empty"))
             var name = plugin.description.name
             var eventCls = this.name2Class(name, event)
-            if (!eventCls) { return }
+            if (!eventCls) { return () => { console.warn('event ' + event + ' not found ignore off listener.') } }
             if (typeof priority === 'boolean') {
                 ignoreCancel = priority
                 priority = EventPriority.NORMAL
@@ -140,16 +140,15 @@ export namespace event {
             // @ts-ignore
             let executor = exec.name || exec.executor || '[anonymous]'
             // noinspection JSUnusedGlobalSymbols
-            var listener = this.register(
+            let listener = this.register(
                 eventCls,
                 this.createExecute(name, exec, eventCls),
                 priority,
                 ignoreCancel
             )
-            var listenerMap = this.listenerMap
             // add to cache Be used for close plugin to close event
-            if (!listenerMap[name]) listenerMap[name] = []
-            var off = () => {
+            if (!this.pluginEventMap[name]) this.pluginEventMap[name] = []
+            let off = () => {
                 if (off['offed']) return
                 off['offed'] = true
                 this.unregister(eventCls, listener)
@@ -159,7 +158,7 @@ export namespace event {
                     exec: executor
                 }))
             }
-            listenerMap[name].push(off)
+            this.pluginEventMap[name].push(off)
             // noinspection JSUnresolvedVariable
             console.debug(i18n.translate("ms.api.event.register", {
                 name,
@@ -176,10 +175,10 @@ export namespace event {
          * @param plugin 插件
          */
         disable(plugin: any) {
-            var eventCache = this.listenerMap[plugin.description.name]
+            var eventCache = this.pluginEventMap[plugin.description.name]
             if (eventCache) {
                 eventCache.forEach((off: () => any) => off())
-                delete this.listenerMap[plugin.description.name]
+                delete this.pluginEventMap[plugin.description.name]
             }
         }
 
diff --git a/packages/api/src/particle.ts b/packages/api/src/particle.ts
index 86b8f404..98dc1d5d 100644
--- a/packages/api/src/particle.ts
+++ b/packages/api/src/particle.ts
@@ -11,6 +11,7 @@ export namespace particle {
         abstract spawn(location: any, particle: Particle)
         abstract spawnToPlayer(player: any, location: any, particle: Particle)
     }
+
     /**
      * 表示一个特效对象
      *
diff --git a/packages/api/src/task.ts b/packages/api/src/task.ts
index 983c3dbf..ce4c1c62 100644
--- a/packages/api/src/task.ts
+++ b/packages/api/src/task.ts
@@ -1,6 +1,8 @@
-import { plugin } from './index'
+import { EventEmitter } from 'events'
 import { injectable } from '@ccms/container'
 
+import { plugin } from './index'
+
 const AtomicInteger = Java.type("java.util.concurrent.atomic.AtomicInteger")
 
 export namespace task {
@@ -79,7 +81,7 @@ export namespace task {
     /**
      * 任务抽象
      */
-    export abstract class Task implements Cancelable {
+    export abstract class Task extends EventEmitter implements Cancelable {
         protected func: Function
         protected isAsync: boolean = false;
         protected laterTime: number = 0;
@@ -88,7 +90,10 @@ export namespace task {
         protected taskId: number
         protected innerTask: any
 
+        private cancelled: boolean = false
+
         constructor(owner: plugin.Plugin, func: Function, id: number) {
+            super()
             this.owner = owner
             this.func = func
             this.taskId = id
@@ -134,20 +139,35 @@ export namespace task {
          */
         cancel(): boolean {
             let result = this.cancel0()
-            process.emit('task.finish', this)
+            this.finish()
+            this.cancelled = true
             return result
         }
 
         protected run(...args: any[]): void {
             try {
+                this.emit('before', this)
+                if (this.cancelled) { return }
                 this.func(...args)
-                !this.interval && process.emit('task.finish', this)
-            } catch (ex: any) {
-                console.console('§4插件执行任务时发生错误', ex)
-                console.ex(ex)
+                this.emit('after', this)
+            } catch (error: any) {
+                this.emit('error', error)
+                if (!error.processed) {
+                    console.console('§4插件执行任务时发生错误', error)
+                    console.ex(error)
+                    this.cancel()
+                }
+            } finally {
+                this.emit('finally', this)
+                if (!this.interval && !this.cancelled) { this.finish() }
             }
         }
 
+        protected finish() {
+            process.emit('task.finish', this)
+            this.emit('finish', this)
+        }
+
         /**
          * 提交任务
          * @param args 任务参数
diff --git a/packages/common/src/reflect.ts b/packages/common/src/reflect.ts
index 6dfc2c58..3f5d1b7d 100644
--- a/packages/common/src/reflect.ts
+++ b/packages/common/src/reflect.ts
@@ -137,7 +137,7 @@ function declaredField(clazz: java.lang.Class<any>, name: string | java.lang.Str
         } catch (error: any) {
             if (target === undefined) { break }
             target = target.getSuperclass()
-            console.debug(`切换到超类: ${target.getName()}`)
+            console.debug(`switch to super class: ${target.getName()}`)
         }
     }
     if (field === null) {
@@ -174,7 +174,7 @@ function declaredMethod(clazz: java.lang.Class<any>, nameOrIndex: string | numbe
             } catch (error) {
                 if (target === undefined) { break }
                 target = target.getSuperclass()
-                console.debug(`切换到超类: ${target.getName()}`)
+                console.debug(`switch to super class: ${target.getName()}`)
             }
         }
     }
@@ -187,7 +187,7 @@ function declaredMethods(clazz: java.lang.Class<any>) {
 }
 
 function mapToObject(javaObj) {
-    if (!Java.isJavaObject(javaObj)) { throw new TypeError(`参数 ${javaObj} 不是一个Java对象!`) }
+    if (!Java.isJavaObject(javaObj)) { throw new TypeError(`argument ${javaObj} is not a java object.`) }
     let target = Proxy.newProxy(javaObj, {
         apply: (target, name, args) => { return args ? javaObj[name](args) : javaObj[name]() }
     })
diff --git a/packages/container/src/index.ts b/packages/container/src/index.ts
index 07bd752d..cce22c94 100644
--- a/packages/container/src/index.ts
+++ b/packages/container/src/index.ts
@@ -154,8 +154,10 @@ export const reduceMetadata = (ctx: interfaces.Context): any => {
 function initAutowired(container: Container) {
     container.bind(ioc.Autowired).toDynamicValue((ctx) => {
         var metadata: any = reduceMetadata(ctx)
-        let key = Object.toString.call(metadata.named)
+        let key = Object.prototype.toString.call(metadata.named)
         if (key === "[object Function]" || key === "[object Symbol]") { return container.get(metadata.named) }
+        console.warn('container Autowired', metadata.named, 'failed. Error: illegal serviceIdentifier type', key)
+        console.debug(metadata.named, 'metadata', JSON.stringify(metadata))
         return undefined
     })
 }
diff --git a/packages/plugin/src/command.ts b/packages/plugin/src/command.ts
index 0146850d..ae486cb9 100644
--- a/packages/plugin/src/command.ts
+++ b/packages/plugin/src/command.ts
@@ -15,51 +15,51 @@ export class PluginCommandManager {
         process.on('plugin.after.disable', this.unregistryCommand.bind(this))
     }
 
-    private registryCommand(pluginInstance: plugin.Plugin) {
-        let cmds = getPluginCommandMetadata(pluginInstance)
-        let tabs = getPluginTabCompleterMetadata(pluginInstance)
+    public registryCommand(pluginInstance: plugin.Plugin, executor: any = pluginInstance) {
+        let cmds = getPluginCommandMetadata(executor)
+        let tabs = getPluginTabCompleterMetadata(executor)
         for (const cmd of cmds) {
             if (!this.ServerChecker.check(cmd.servers)) {
                 console.debug(`[${pluginInstance.description.name}] ${cmd.target.constructor.name} incompatible command ${cmd.name} server(${cmd.servers}) ignore.`)
                 continue
             }
             for (let command of [cmd.name, ...cmd.alias]) {
-                let [cmdExecutor, cmdCompleter] = this.generateAutoMainCommand(pluginInstance, cmd, tabs.get(command))
+                let [cmdExecutor, cmdCompleter] = this.generateAutoMainCommand(pluginInstance, executor, cmd, tabs.get(command))
                 this.CommandManager.on(pluginInstance, command, {
-                    cmd: cmdExecutor.bind(pluginInstance),
-                    tab: cmdCompleter?.bind(pluginInstance)
+                    cmd: cmdExecutor.bind(executor),
+                    tab: cmdCompleter?.bind(executor)
                 })
             }
         }
     }
 
-    private unregistryCommand(pluginInstance: plugin.Plugin) {
-        let cmds = getPluginCommandMetadata(pluginInstance)
+    public unregistryCommand(pluginInstance: plugin.Plugin, executor: any = pluginInstance) {
+        let cmds = getPluginCommandMetadata(executor)
         for (const cmd of cmds) {
             if (!this.ServerChecker.check(cmd.servers)) {
                 console.debug(`[${pluginInstance.description.name}] ${cmd.target.constructor.name} incompatible command ${cmd.name} server(${cmd.servers}) ignore.`)
                 continue
             }
             for (let command of [cmd.name, ...cmd.alias]) {
-                this.CommandManager.off(pluginInstance, command)
+                this.CommandManager.off(executor, command)
             }
         }
     }
 
-    private generateAutoMainCommand(pluginInstance: plugin.Plugin, cmd: interfaces.CommandMetadata, tab: interfaces.CommandMetadata) {
-        let cmdExecutor = pluginInstance[cmd.executor]
-        let cmdCompleter = tab ? pluginInstance[tab.executor] : undefined
-        let cmdSubCache = Object.keys(pluginInstance.constructor.prototype).filter(s => s.startsWith('cmd')).map(s => s.substring(3))
+    private generateAutoMainCommand(pluginInstance: plugin.Plugin, executor: any, cmd: interfaces.CommandMetadata, tab: interfaces.CommandMetadata) {
+        let cmdExecutor = executor[cmd.executor]
+        let cmdCompleter = tab ? executor[tab.executor] : undefined
+        let cmdSubCache = Object.keys(executor.constructor.prototype).filter(s => s.startsWith('cmd')).map(s => s.substring(3))
         if (cmd.autoMain) {
             cmdExecutor = (sender: any, command: string, args: string[]) => {
                 let subcommand = args[0]
                 let cmdKey = 'cmd' + subcommand
                 if (!cmdSubCache.includes(subcommand)) {
-                    if (!pluginInstance[cmd.executor].apply(pluginInstance, [sender, command, args])) {
+                    if (!executor[cmd.executor].apply(executor, [sender, command, args])) {
                         subcommand && pluginInstance.logger.sender(sender, `§4未知的命令: §b/${command} §c${subcommand}`)
                         pluginInstance.logger.sender(
                             sender,
-                            pluginInstance['cmdhelp'] ?
+                            executor['cmdhelp'] ?
                                 `§6请执行 §b/${command} §ahelp §6查看帮助!` :
                                 [
                                     `§6插件: §b${pluginInstance.description.name}`,
@@ -69,7 +69,7 @@ export class PluginCommandManager {
                     }
                     return
                 }
-                let subcommandexec = pluginInstance[cmdKey]
+                let subcommandexec = executor[cmdKey]
                 let permission: string
                 if (cmd.permission && sender.hasPermission) {
                     if (typeof cmd.permission == "string") {
@@ -82,7 +82,7 @@ export class PluginCommandManager {
                     }
                 }
                 args.shift()
-                return subcommandexec.apply(pluginInstance, [sender, ...args])
+                return subcommandexec.apply(executor, [sender, ...args])
             }
             let originCompleter = cmdCompleter
             cmdCompleter = (sender: any, command: string, args: string[]) => {
@@ -95,7 +95,7 @@ export class PluginCommandManager {
                     }
                     if (!sender.hasPermission(permission)) { return [] }
                 }
-                return (args.length == 1 ? cmdSubCache : []).concat(originCompleter?.apply(pluginInstance, [sender, command, args]) || [])
+                return (args.length == 1 ? cmdSubCache : []).concat(originCompleter?.apply(executor, [sender, command, args]) || [])
             }
         }
         if (!cmdCompleter) { console.debug(`[${pluginInstance.description.name}] command ${cmd.name} is not registry tabCompleter`) }
diff --git a/packages/plugin/src/event.ts b/packages/plugin/src/event.ts
index e0bbad35..663f7d32 100644
--- a/packages/plugin/src/event.ts
+++ b/packages/plugin/src/event.ts
@@ -11,6 +11,8 @@ export class PluginEventManager {
     @Autowired()
     private nativePluginChecker: server.NativePluginChecker
 
+    private listenerMap = [];
+
     constructor() {
         process.on('plugin.before.enable', this.registryListener.bind(this))
         process.on('plugin.after.disable', this.unregistryListener.bind(this))
@@ -20,8 +22,9 @@ export class PluginEventManager {
         return this.eventManager.mapEventName().toFixed(0)
     }
 
-    private registryListener(pluginInstance: plugin.Plugin) {
-        let events = getPluginListenerMetadata(pluginInstance)
+    public registryListener(pluginInstance: plugin.Plugin, listener: any = pluginInstance) {
+        let events = getPluginListenerMetadata(listener)
+        let execes = []
         for (const event of events) {
             // ignore space listener
             if (!this.serverChecker.check(event.servers)) {
@@ -35,13 +38,25 @@ export class PluginEventManager {
             }
             // here must bind this to pluginInstance
             let exec = event.target[event.executor]
-            let execBinded = exec.bind(pluginInstance)
+            let execBinded = exec.bind(listener)
             execBinded.executor = event.executor
             exec.off = this.eventManager.listen(pluginInstance, event.name, execBinded, event.priority, event.ignoreCancel)
+            execes.push(exec)
         }
+        let off = () => {
+            if (off['offed']) return
+            off['offed'] = true
+            execes.forEach((exec: { off: () => void }) => exec.off())
+        }
+        listener.off = off
     }
 
-    private unregistryListener(pluginInstance: plugin.Plugin) {
-        this.eventManager.disable(pluginInstance)
+    private unregistryListener(pluginInstance: plugin.Plugin, listener: any = pluginInstance) {
+        if (listener && listener.off) {
+            listener.off()
+        }
+        if (pluginInstance) {
+            this.eventManager.disable(pluginInstance)
+        }
     }
 }
diff --git a/packages/plugin/src/index.ts b/packages/plugin/src/index.ts
index 6b8993d0..b574e1d8 100644
--- a/packages/plugin/src/index.ts
+++ b/packages/plugin/src/index.ts
@@ -10,6 +10,9 @@ export * from './manager'
 export * from './decorators'
 export * from './interfaces'
 
+export * from './event'
+export * from './command'
+
 export {
     plugin as JSPlugin,
     cmd as Cmd,
diff --git a/packages/plugin/src/interfaces.ts b/packages/plugin/src/interfaces.ts
index ce3f287f..535ebaca 100644
--- a/packages/plugin/src/interfaces.ts
+++ b/packages/plugin/src/interfaces.ts
@@ -8,7 +8,7 @@ export namespace interfaces {
     @injectable()
     export abstract class Plugin implements plugin.Plugin {
         public description: plugin.PluginMetadata
-        public logger: Console
+        public logger: MiaoScriptConsole
         @inject(server.Console)
         private Console: MiaoScriptConsole
 
@@ -28,6 +28,11 @@ export namespace interfaces {
             return dataFolder.getAbsolutePath()
         }
 
+        public registryCommand(executor: any) { }
+        public unregistryCommand(executor: any) { }
+        public registryListener(listener: any) { }
+        public unregistryListener(listener: any) { }
+
         public load() { }
         public enable() { }
         public disable() { }
diff --git a/script/push.sh b/script/push.sh
index 732ec405..6b93bdc8 100755
--- a/script/push.sh
+++ b/script/push.sh
@@ -1,3 +1,4 @@
+#!/bin/bash
 for package in `ls packages`; do
     echo $package
     pushd packages/$package
diff --git a/script/sync.sh b/script/sync.sh
old mode 100644
new mode 100755
index b80977f2..29b69ee9
--- a/script/sync.sh
+++ b/script/sync.sh
@@ -1,3 +1,4 @@
+#!/bin/bash
 for PACKAGE in `ls packages`;do
     echo "${PACKAGE} $(curl -s "https://registry-direct.npmmirror.com/@ccms/${PACKAGE}/sync?sync_upstream=true" -X 'PUT')"
 done