diff --git a/packages/plugin-chat/src/index.ts b/packages/plugin-chat/src/index.ts
index 44c8f643ad..b26f33fafb 100644
--- a/packages/plugin-chat/src/index.ts
+++ b/packages/plugin-chat/src/index.ts
@@ -9,6 +9,12 @@ declare module 'koishi-core' {
   interface EventMap {
     'chat/receive'(message: Message, session: Session): void
   }
+
+  namespace Bot {
+    interface Platforms {
+      'web': SandboxBot
+    }
+  }
 }
 
 export interface Config extends ReceiverConfig {
diff --git a/packages/plugin-webui/src/index.ts b/packages/plugin-webui/src/index.ts
index 201c05a584..d616f8c7e6 100644
--- a/packages/plugin-webui/src/index.ts
+++ b/packages/plugin-webui/src/index.ts
@@ -2,7 +2,6 @@ import { Context, Channel, User } from 'koishi-core'
 import { template, Time } from 'koishi-utils'
 import { Meta } from './data'
 import { Synchronizer } from './stats'
-import { SandboxBot } from './adapter'
 import { WebServer, Config } from './server'
 
 import './mongo'
@@ -29,12 +28,6 @@ declare module 'koishi-core' {
     _sendType?: 'command' | 'dialogue'
   }
 
-  namespace Bot {
-    interface Platforms {
-      'web': SandboxBot
-    }
-  }
-
   interface Bot {
     messageSent: number[]
     messageReceived: number[]