diff --git a/packages/core/src/app.ts b/packages/core/src/app.ts
index 70e23ab439..40fc0147f8 100644
--- a/packages/core/src/app.ts
+++ b/packages/core/src/app.ts
@@ -25,7 +25,6 @@ export class App extends Context {
   _shortcuts: Command.Shortcut[] = []
   _hooks: Record<keyof any, [Context, (...args: any[]) => any][]> = {}
   _sessions: Dict<Session> = Object.create(null)
-  _services: Dict<string> = Object.create(null)
   _userCache = new SharedCache<User.Observed<any>>()
   _channelCache = new SharedCache<Channel.Observed<any>>()
 
diff --git a/packages/core/src/context.ts b/packages/core/src/context.ts
index 02649b9202..ef02e2c8c8 100644
--- a/packages/core/src/context.ts
+++ b/packages/core/src/context.ts
@@ -586,8 +586,11 @@ export namespace Context {
     model: Model
   }
 
+  export const Services: (keyof Services)[] = []
+
   export function service(key: keyof Services) {
     if (Object.prototype.hasOwnProperty.call(Context.prototype, key)) return
+    Services.push(key)
     const privateKey = Symbol(key)
     Object.defineProperty(Context.prototype, key, {
       get(this: Context) {
@@ -604,16 +607,13 @@ export namespace Context {
         const action = value ? oldValue ? 'changed' : 'enabled' : 'disabled'
         this.logger('service').debug(key, action)
         if (value) {
-          this.app._services[key] = this.state.id
           const dispose = () => {
             if (this.app[privateKey] !== value) return
             this[key] = null
-            delete this.app._services[key]
           }
           this.state.disposables.push(dispose)
           this.on('service', (name) => {
             if (name !== key) return
-            dispose()
             remove(this.state.disposables, dispose)
           })
         }
diff --git a/plugins/frontend/console/src/index.ts b/plugins/frontend/console/src/index.ts
index 55e029c88d..084b8625d2 100644
--- a/plugins/frontend/console/src/index.ts
+++ b/plugins/frontend/console/src/index.ts
@@ -170,9 +170,9 @@ class Console extends Service {
   private onConnection = (socket: WebSocket) => {
     const channel = new SocketHandle(this, socket)
 
-    for (const name in this.ctx.app._services) {
+    for (const name of Context.Services) {
       if (!name.startsWith('console.')) continue
-      this.ctx[name].get().then((value) => {
+      this.ctx[name]?.['get']().then((value) => {
         const key = name.slice(8)
         socket.send(JSON.stringify({ type: 'data', body: { key, value } }))
       })
diff --git a/plugins/frontend/manager/client/graph/utils.ts b/plugins/frontend/manager/client/graph/utils.ts
index 72b74993b7..bf25014bd1 100644
--- a/plugins/frontend/manager/client/graph/utils.ts
+++ b/plugins/frontend/manager/client/graph/utils.ts
@@ -3,8 +3,6 @@ import { store } from '~/client'
 import { Dict } from 'koishi'
 import { computed } from 'vue'
 
-type Bound = [number, number][]
-
 export interface Node extends PluginData {
   id: string
   col?: number
diff --git a/plugins/frontend/manager/client/index.ts b/plugins/frontend/manager/client/index.ts
index 1cdec32401..5608b98f26 100644
--- a/plugins/frontend/manager/client/index.ts
+++ b/plugins/frontend/manager/client/index.ts
@@ -48,6 +48,6 @@ registerPage({
   name: '依赖图',
   icon: 'project-diagram',
   order: 600,
-  fields: ['registry', 'services'],
+  fields: ['registry'],
   component: Graph,
 })
diff --git a/plugins/frontend/manager/src/registry.ts b/plugins/frontend/manager/src/registry.ts
index 980f783e3c..f9668dbd14 100644
--- a/plugins/frontend/manager/src/registry.ts
+++ b/plugins/frontend/manager/src/registry.ts
@@ -31,7 +31,7 @@ export default class RegistryProvider extends DataSource<Dict<PluginData>> {
         : capitalize(camelize(plugin.name)),
       parent: state.parent?.id,
       disposables: state.disposables.length,
-      dependencies: state.using.map(name => this.ctx.app._services[name]).filter(x => x),
+      dependencies: state.using.map(name => this.ctx[name]?.['ctx']?.state.id).filter(x => x),
     }
     for (const child of state.children) {
       this.traverse(child)
diff --git a/plugins/frontend/manager/src/services.ts b/plugins/frontend/manager/src/services.ts
index 8b9c61e56b..be089c7de9 100644
--- a/plugins/frontend/manager/src/services.ts
+++ b/plugins/frontend/manager/src/services.ts
@@ -9,6 +9,11 @@ export default class ServiceProvider extends DataSource<Dict<string>> {
   }
 
   async get() {
-    return this.ctx.app._services
+    const result: Dict<string> = {}
+    for (const name of Context.Services) {
+      const value = this.ctx[name]?.['ctx']?.state.id
+      if (value) result[name] = value
+    }
+    return result
   }
 }