diff --git a/src/onebot/api/index.ts b/src/onebot/api/index.ts
index a7021d18c..443159f78 100644
--- a/src/onebot/api/index.ts
+++ b/src/onebot/api/index.ts
@@ -1,8 +1,8 @@
-import { OneBotFriendApi } from '@/onebot/api/friend';
-import { OneBotUserApi } from '@/onebot/api/user';
-import { OneBotGroupApi } from '@/onebot/api/group';
-import { OneBotMsgApi } from '@/onebot/api/msg';
-import { OneBotQuickActionApi } from '@/onebot/api/quick-action';
+import type { OneBotFriendApi } from '@/onebot/api/friend';
+import type { OneBotUserApi } from '@/onebot/api/user';
+import type { OneBotGroupApi } from '@/onebot/api/group';
+import type { OneBotMsgApi } from '@/onebot/api/msg';
+import type { OneBotQuickActionApi } from '@/onebot/api/quick-action';
 
 export * from './friend';
 export * from './group';
diff --git a/src/onebot/api/quick-action.ts b/src/onebot/api/quick-action.ts
index b6b7d2f4a..8c12ede65 100644
--- a/src/onebot/api/quick-action.ts
+++ b/src/onebot/api/quick-action.ts
@@ -1,4 +1,4 @@
-import {
+import type {
     NapCatOneBot11Adapter,
     OB11Message,
     OB11MessageAt,
@@ -10,17 +10,19 @@ import {
     QuickActionGroupMessage,
     QuickActionGroupRequest,
 } from '@/onebot';
-import { NTGroupRequestOperateTypes, NapCatCore, Peer } from '@/core';
-import { OB11FriendRequestEvent } from '@/onebot/event/request/OB11FriendRequest';
-import { OB11GroupRequestEvent } from '@/onebot/event/request/OB11GroupRequest';
+import { NTGroupRequestOperateTypes, type NapCatCore, type Peer } from '@/core';
+import type { OB11FriendRequestEvent } from '@/onebot/event/request/OB11FriendRequest';
+import type { OB11GroupRequestEvent } from '@/onebot/event/request/OB11GroupRequest';
+
 import { ContextMode, createContext, normalize } from '@/onebot/action/msg/SendMsg';
 import { isNull } from '@/common/helper';
 
 export class OneBotQuickActionApi {
-    constructor(
-        public obContext: NapCatOneBot11Adapter,
-        public core: NapCatCore,
-    ) {
+    private obContext: NapCatOneBot11Adapter;
+    private core: NapCatCore;
+    constructor(obContext: NapCatOneBot11Adapter, core: NapCatCore) {
+        this.obContext = obContext;
+        this.core = core;
     }
 
     async handleQuickOperation(eventContext: QuickActionEvent, quickAction: QuickAction) {
diff --git a/src/onebot/index.ts b/src/onebot/index.ts
index 5a87c5b46..b993dfccb 100644
--- a/src/onebot/index.ts
+++ b/src/onebot/index.ts
@@ -76,7 +76,7 @@ export class NapCatOneBot11Adapter {
             FriendApi: new OneBotFriendApi(this, core),
             MsgApi: new OneBotMsgApi(this, core),
             QuickActionApi: new OneBotQuickActionApi(this, core),
-        };
+        } as const;
         this.actions = createActionMap(this, core);
         this.networkManager = new OB11NetworkManager();
     }