diff --git a/src/options/views/help/guide.md b/src/options/views/help/guide.md
index 9b70fd7..fb0aab9 100644
--- a/src/options/views/help/guide.md
+++ b/src/options/views/help/guide.md
@@ -1,5 +1,3 @@
-[[toc]]
-
 # 软件目的
 
 本软件的开发旨在自动采集Amazon电商平台的数据，并提供导出和预览数据的功能。
diff --git a/src/page-worker/composables/amazon.ts b/src/page-worker/composables/amazon.ts
index ebab622..98e22ca 100644
--- a/src/page-worker/composables/amazon.ts
+++ b/src/page-worker/composables/amazon.ts
@@ -3,7 +3,7 @@ import amazon from '../impls/amazon';
 import { uploadImage } from '~/logic/upload-image';
 import { detailItems, reviewItems, searchItems } from '~/storages/amazon';
 import { createGlobalState } from '@vueuse/core';
-import { useAmazonService } from '~/services/amazon';
+import { useAmazonService } from '~/page-worker/services/amazon';
 import { LanchTaskBaseOptions, WorkerComposable } from '../interfaces/common';
 import { AmazonPageWorker } from '../interfaces/amazon';
 
@@ -14,7 +14,7 @@ export interface AmazonPageWorkerSettings {
 }
 
 /** Main function to build the Amazon page worker composable */
-function buildAmazonPageWorker() {
+function buildAmazonPageWorker(): WorkerComposable<AmazonPageWorker, AmazonPageWorkerSettings> {
   // Reactive settings object
   const settings = shallowRef<AmazonPageWorkerSettings>({});
   // Long task management
@@ -216,7 +216,7 @@ function buildAmazonPageWorker() {
     off: worker.off.bind(worker),
     once: worker.once.bind(worker),
     stop: worker.stop.bind(worker),
-  } as WorkerComposable<AmazonPageWorker, AmazonPageWorkerSettings>;
+  };
 }
 
 /** Create a global state composable for the Amazon worker */
diff --git a/src/page-worker/composables/homedepot.ts b/src/page-worker/composables/homedepot.ts
index c557d5a..dc5b709 100644
--- a/src/page-worker/composables/homedepot.ts
+++ b/src/page-worker/composables/homedepot.ts
@@ -10,7 +10,7 @@ export interface HomedepotWorkerSettings {
   commitChangeIngerval?: number;
 }
 
-function buildHomedepotWorker() {
+function buildHomedepotWorker(): WorkerComposable<HomedepotWorker, HomedepotWorkerSettings> {
   const settings = shallowRef<HomedepotWorkerSettings>({});
   const worker = homedepot.getHomedepotWorker();
   const { isRunning, startTask } = useLongTask();
@@ -79,7 +79,7 @@ function buildHomedepotWorker() {
     off: worker.off.bind(worker),
     once: worker.once.bind(worker),
     stop: worker.stop.bind(worker),
-  } as WorkerComposable<HomedepotWorker, HomedepotWorkerSettings>;
+  };
 }
 
 export const useHomedepotWorker = createGlobalState(buildHomedepotWorker);
diff --git a/src/page-worker/impls/amazon.ts b/src/page-worker/impls/amazon.ts
index 9027abf..a3b6e26 100644
--- a/src/page-worker/impls/amazon.ts
+++ b/src/page-worker/impls/amazon.ts
@@ -1,5 +1,5 @@
 import type { Tabs } from 'webextension-polyfill';
-import { withErrorHandling } from '../error-handler';
+import { withErrorHandling } from '../utils/error-handler';
 import {
   AmazonDetailPageInjector,
   AmazonReviewPageInjector,
diff --git a/src/page-worker/impls/homedepot.ts b/src/page-worker/impls/homedepot.ts
index c3de740..c345138 100644
--- a/src/page-worker/impls/homedepot.ts
+++ b/src/page-worker/impls/homedepot.ts
@@ -1,5 +1,5 @@
 import { Tabs } from 'webextension-polyfill';
-import { withErrorHandling } from '../error-handler';
+import { withErrorHandling } from '../utils/error-handler';
 import { HomedepotDetailPageInjector } from '../web-injectors/homedepot';
 import { BaseWorker } from './base';
 import { LanchTaskBaseOptions } from '../interfaces/common';
diff --git a/src/page-worker/interfaces/common.ts b/src/page-worker/interfaces/common.ts
index 3347677..ef0b9db 100644
--- a/src/page-worker/interfaces/common.ts
+++ b/src/page-worker/interfaces/common.ts
@@ -2,7 +2,9 @@ import type Emittery from 'emittery';
 
 export type Listener<T> = Pick<Emittery<T>, 'on' | 'off' | 'once'>;
 
-export type LanchTaskBaseOptions = { progress?: (remains: string[]) => Promise<void> | void };
+export interface LanchTaskBaseOptions {
+  progress?: (remains: string[]) => Promise<void> | void;
+}
 
 export interface LowesEvents {
   /** The event is fired when detail items collect */
diff --git a/src/services/amazon.ts b/src/page-worker/services/amazon.ts
similarity index 100%
rename from src/services/amazon.ts
rename to src/page-worker/services/amazon.ts
diff --git a/src/services/base.ts b/src/page-worker/services/base.ts
similarity index 100%
rename from src/services/base.ts
rename to src/page-worker/services/base.ts
diff --git a/src/page-worker/error-handler.ts b/src/page-worker/utils/error-handler.ts
similarity index 100%
rename from src/page-worker/error-handler.ts
rename to src/page-worker/utils/error-handler.ts
diff --git a/src/styles/main.scss b/src/styles/main.scss
index 1e079cf..1967de9 100644
--- a/src/styles/main.scss
+++ b/src/styles/main.scss
@@ -44,3 +44,7 @@ body,
   background: #f7fafc;
   border-radius: 8px;
 }
+
+.markdown-body {
+  max-width: 900px;
+}