diff --git a/ui/artalk/src/artalk.ts b/ui/artalk/src/artalk.ts
index 376ce251..63065b55 100644
--- a/ui/artalk/src/artalk.ts
+++ b/ui/artalk/src/artalk.ts
@@ -8,7 +8,7 @@ import * as Stat from './plugins/stat'
 import { Api } from './api'
 import type { TInjectedServices } from './service'
 import { GlobalPlugins, PluginOptions, load } from './load'
-import type { ArtalkConfig, EventPayloadMap, ArtalkPlugin, ContextApi } from '@/types'
+import type { ArtalkConfigPartial, EventPayloadMap, ArtalkPlugin, ContextApi } from '@/types'
 
 /**
  * Artalk
@@ -18,7 +18,7 @@ import type { ArtalkConfig, EventPayloadMap, ArtalkPlugin, ContextApi } from '@/
 export default class Artalk {
   public ctx!: ContextApi
 
-  constructor(conf: Partial<ArtalkConfig>) {
+  constructor(conf: ArtalkConfigPartial) {
     // Init Config
     const handledConf = handelCustomConf(conf, true)
 
@@ -49,7 +49,7 @@ export default class Artalk {
   }
 
   /** Update config of Artalk */
-  public update(conf: Partial<ArtalkConfig>) {
+  public update(conf: ArtalkConfigPartial) {
     this.ctx.updateConf(conf)
     return this
   }
@@ -92,7 +92,7 @@ export default class Artalk {
   // ===========================
 
   /** Init Artalk */
-  public static init(conf: Partial<ArtalkConfig>): Artalk {
+  public static init(conf: ArtalkConfigPartial): Artalk {
     return new Artalk(conf)
   }
 
@@ -103,7 +103,7 @@ export default class Artalk {
   }
 
   /** Load count widget */
-  public static loadCountWidget(c: Partial<ArtalkConfig>) {
+  public static loadCountWidget(c: ArtalkConfigPartial) {
     const conf = handelCustomConf(c, true)
 
     Stat.initCountWidget({
diff --git a/ui/artalk/src/config.ts b/ui/artalk/src/config.ts
index 62de44a3..d19a5022 100644
--- a/ui/artalk/src/config.ts
+++ b/ui/artalk/src/config.ts
@@ -2,7 +2,7 @@ import type { ApiOptions } from './api/options'
 import { mergeDeep } from './lib/merge-deep'
 import { createApiHandlers } from './api'
 import Defaults from './defaults'
-import type { ArtalkConfig, ContextApi } from '@/types'
+import type { ArtalkConfig, ArtalkConfigPartial, ContextApi } from '@/types'
 
 /**
  * Handle the custom config which is provided by the user
@@ -11,14 +11,11 @@ import type { ArtalkConfig, ContextApi } from '@/types'
  * @param full - If `full` is `true`, the return value will be the complete config for Artalk instance creation
  * @returns The config for Artalk instance creation
  */
-export function handelCustomConf(customConf: Partial<ArtalkConfig>, full: true): ArtalkConfig
-export function handelCustomConf(
-  customConf: Partial<ArtalkConfig>,
-  full?: false,
-): Partial<ArtalkConfig>
-export function handelCustomConf(customConf: Partial<ArtalkConfig>, full = false) {
+export function handelCustomConf(customConf: ArtalkConfigPartial, full: true): ArtalkConfig
+export function handelCustomConf(customConf: ArtalkConfigPartial, full?: false): ArtalkConfigPartial
+export function handelCustomConf(customConf: ArtalkConfigPartial, full = false) {
   // 合并默认配置
-  const conf: Partial<ArtalkConfig> = full ? mergeDeep(Defaults, customConf) : customConf
+  const conf: ArtalkConfigPartial = full ? mergeDeep(Defaults, customConf) : customConf
 
   // 绑定元素
   if (conf.el && typeof conf.el === 'string') {
@@ -59,7 +56,7 @@ export function handelCustomConf(customConf: Partial<ArtalkConfig>, full = false
  * @param conf - The Server response config for control the frontend of Artalk remotely
  * @returns The config for Artalk instance creation
  */
-export function handleConfFormServer(conf: Partial<ArtalkConfig>) {
+export function handleConfFormServer(conf: ArtalkConfigPartial): ArtalkConfigPartial {
   const ExcludedKeys: (keyof ArtalkConfig)[] = [
     'el',
     'pageKey',
@@ -95,7 +92,7 @@ export function handleConfFormServer(conf: Partial<ArtalkConfig>) {
  * @param ctx - If `ctx` not provided, `checkAdmin` and `checkCaptcha` will be disabled
  * @returns ApiOptions for Api client instance creation
  */
-export function convertApiOptions(conf: Partial<ArtalkConfig>, ctx?: ContextApi): ApiOptions {
+export function convertApiOptions(conf: ArtalkConfigPartial, ctx?: ContextApi): ApiOptions {
   return {
     baseURL: `${conf.server}/api/v2`,
     siteName: conf.site || '',
diff --git a/ui/artalk/src/context.ts b/ui/artalk/src/context.ts
index a1fb4bd2..45fe9053 100644
--- a/ui/artalk/src/context.ts
+++ b/ui/artalk/src/context.ts
@@ -15,6 +15,7 @@ import { watchConf } from './lib/watch-conf'
 
 import type {
   ArtalkConfig,
+  ArtalkConfigPartial,
   CommentData,
   ListFetchParams,
   ContextApi,
@@ -165,7 +166,7 @@ class Context implements ContextApi {
     this.updateConf({ darkMode })
   }
 
-  updateConf(nConf: Partial<ArtalkConfig>): void {
+  updateConf(nConf: ArtalkConfigPartial): void {
     this.conf = mergeDeep(this.conf, handelCustomConf(nConf, false))
     this.mounted && this.events.trigger('updated', this.conf)
   }
diff --git a/ui/artalk/src/defaults.ts b/ui/artalk/src/defaults.ts
index 83ab79be..da613c20 100644
--- a/ui/artalk/src/defaults.ts
+++ b/ui/artalk/src/defaults.ts
@@ -1,6 +1,13 @@
 import type { ArtalkConfig } from '@/types'
 
-const defaults: ArtalkConfig = {
+type RequiredExcept<T, K extends keyof T> = Required<Omit<T, K>> & Pick<T, K>
+type FunctionKeys<T> = Exclude<
+  { [K in keyof T]: NonNullable<T[K]> extends (...args: any[]) => any ? K : never }[keyof T],
+  undefined
+>
+type ExcludedKeys = FunctionKeys<ArtalkConfig>
+
+const defaults: RequiredExcept<ArtalkConfig, ExcludedKeys> = {
   el: '',
   pageKey: '',
   pageTitle: '',
@@ -45,12 +52,19 @@ const defaults: ArtalkConfig = {
     scrollable: false,
   },
 
+  pvAdd: true,
   imgUpload: true,
+  imgLazyLoad: 'native',
   reqTimeout: 15000,
   versionCheck: true,
   useBackendConf: true,
+  listUnreadHighlight: false,
 
   locale: 'en',
+  apiVersion: '',
+  pluginURLs: [],
+  markedReplacers: [],
+  markedOptions: {},
 }
 
 if (ARTALK_LITE) {
diff --git a/ui/artalk/src/load.ts b/ui/artalk/src/load.ts
index 86897ad4..91e67153 100644
--- a/ui/artalk/src/load.ts
+++ b/ui/artalk/src/load.ts
@@ -1,5 +1,5 @@
 import { DefaultPlugins } from './plugins'
-import type { ArtalkConfig, ArtalkPlugin, ContextApi } from '@/types'
+import type { ArtalkConfigPartial, ArtalkPlugin, ContextApi } from '@/types'
 import { handleConfFormServer } from '@/config'
 import { showErrorDialog } from '@/components/error-dialog'
 
@@ -37,7 +37,7 @@ export async function load(ctx: ContextApi) {
     })
 
   // Initial config
-  let conf: Partial<ArtalkConfig> = {
+  let conf: ArtalkConfigPartial = {
     apiVersion: data.version?.version, // version info
   }
 
diff --git a/ui/artalk/src/types/config.ts b/ui/artalk/src/types/config.ts
index 74c72bd3..db8be097 100644
--- a/ui/artalk/src/types/config.ts
+++ b/ui/artalk/src/types/config.ts
@@ -4,156 +4,171 @@ import type { EditorApi } from './editor'
 import type { I18n } from '@/i18n'
 
 export interface ArtalkConfig {
-  /** 装载元素 */
+  /** Element selector or Element to mount the Artalk */
   el: string | HTMLElement
 
-  /** 页面唯一标识（完整 URL） */
+  /** Unique page identifier */
   pageKey: string
 
-  /** 页面标题 */
+  /** Title of the page */
   pageTitle: string
 
-  /** 服务器地址 */
+  /** Server address */
   server: string
 
-  /** 站点名 */
+  /** Site name */
   site: string
 
-  /** 评论框占位字符 */
+  /** Placeholder text for the comment input box */
   placeholder: string
 
-  /** 评论为空时显示字符 */
+  /** Text to display when there are no comments */
   noComment: string
 
-  /** 发送按钮文字 */
+  /** Text for the send button */
   sendBtn: string
 
-  /** 评论框穿梭（显示在待回复评论后面） */
+  /** Movable comment box (display below the comment to be replied) */
   editorTravel: boolean
 
-  /** 表情包 */
+  /** Emoticons settings */
   emoticons: object | any[] | string | false
 
-  /** Gravatar 头像 */
+  /** Gravatar avatar settings */
   gravatar: {
-    /** API 地址 */
+    /** API endpoint */
     mirror: string
-    /** API 参数 */
+    /** API parameters */
     params: string
   }
 
-  /** 头像链接生成器 */
+  /** Avatar URL generator function */
   avatarURLBuilder?: (comment: CommentData) => string
 
-  /** 分页配置 */
+  /** Pagination settings */
   pagination: {
-    /** 每次请求获取数量 */
+    /** Number of comments to fetch per request */
     pageSize: number
-    /** 阅读更多模式 */
+    /** "Read more" mode */
     readMore: boolean
-    /** 滚动到底部自动加载 */
+    /** Automatically load more comments when scrolled to the bottom */
     autoLoad: boolean
   }
 
-  /** 内容限高 */
+  /** Height limit configuration */
   heightLimit: {
-    /** 评论内容限高 */
+    /** Maximum height for comment content */
     content: number
 
-    /** 子评论区域限高 */
+    /** Maximum height for child comments */
     children: number
 
-    /** 滚动限高 */
+    /** Whether the content is scrollable */
     scrollable: boolean
   }
 
-  /** 评论投票按钮 */
+  /** Voting feature for comments */
   vote: boolean
 
-  /** 评论投票反对按钮 */
+  /** Downvote button for comments */
   voteDown: boolean
 
-  /** 评论预览功能 */
+  /** Preview feature for comments */
   preview: boolean
 
-  /** 评论数绑定元素 Selector */
+  /** Selector for the element binding to the comment count */
   countEl: string
 
-  /** PV 数绑定元素 Selector */
+  /** Selector for the element binding to the page views (PV) count */
   pvEl: string
 
-  /** 统计组件 PageKey 属性名 */
+  /** Attribute name for the PageKey in statistics components */
   statPageKeyAttr: string
 
-  /** 夜间模式 */
+  /** Dark mode settings */
   darkMode: boolean | 'auto'
 
-  /** 请求超时（单位：秒） */
+  /** Request timeout (in seconds) */
   reqTimeout: number
 
-  /** 平铺模式 */
+  /** Flat mode for comment display */
   flatMode: boolean | 'auto'
 
-  /** 嵌套模式 · 最大层数 */
+  /** Maximum number of levels for nested comments */
   nestMax: number
 
-  /** 嵌套模式 · 排序方式 */
+  /** Sorting order for nested comments */
   nestSort: 'DATE_ASC' | 'DATE_DESC'
 
-  /** 显示 UA 徽标 */
+  /** Display UA badge (user agent badge) */
   uaBadge: boolean
 
-  /** 评论列表排序功能 (显示 Dropdown) */
+  /** Show sorting dropdown for comment list */
   listSort: boolean
 
-  /** 图片上传功能 */
+  /** Enable image upload feature */
   imgUpload: boolean
 
-  /** 图片上传器 */
+  /** Image uploader function */
   imgUploader?: (file: File) => Promise<string>
 
-  /** Image lazy load */
+  /** Image lazy load mode */
   imgLazyLoad?: 'native' | 'data-src'
 
-  /** 版本检测 */
+  /** Enable version check */
   versionCheck: boolean
 
-  /** 引用后端配置 */
+  /** Use backend configuration */
   useBackendConf: boolean
 
-  /** 语言本地化 */
+  /** Localization settings */
   locale: I18n | string
 
-  /** 后端版本 (系统数据，用户不允许更改) */
+  /** Backend API version (system data, not allowed for user modification) */
   apiVersion?: string
 
-  /** Plugin script urls */
+  /** URLs for plugin scripts */
   pluginURLs?: string[]
 
-  /** Replacer for marked */
+  /** Replacers for the marked (Markdown parser) */
   markedReplacers?: ((raw: string) => string)[]
 
-  /** Marked options */
+  /** Options for the marked (Markdown parser) */
   markedOptions?: MarkedOptions
 
-  /** 列表请求参数修改器 */
+  /** Modifier for list fetch request parameters */
   listFetchParamsModifier?: (params: any) => void
 
   /**
-   * Date formatter for custom date format
-   * @param date - Date object
+   * Custom date formatter
+   * @param date - The Date object to format
    * @returns Formatted date string
    */
   dateFormatter?: (date: Date) => string
 
-  // TODO consider merge list related config into one object, or flatten all to keep simple (keep consistency)
-  remoteConfModifier?: (conf: Partial<ArtalkConfig>) => void
+  /** Custom configuration modifier for remote configuration (referenced by artalk-sidebar) */
+  // TODO: Consider merging list-related configuration into a single object, or flatten everything for simplicity and consistency
+  remoteConfModifier?: (conf: DeepPartial<ArtalkConfig>) => void
+
+  /** List unread highlight (enable by default in artalk-sidebar) */
   listUnreadHighlight?: boolean
+
+  /** The relative element for scrolling (useful if artalk is in a scrollable container) */
   scrollRelativeTo?: () => HTMLElement
+
+  /** Page view increment when comment list is loaded */
   pvAdd?: boolean
+
+  /** Callback before submitting a comment */
   beforeSubmit?: (editor: EditorApi, next: () => void) => void
 }
 
+type DeepPartial<T> = {
+  [K in keyof T]?: T[K] extends object ? DeepPartial<T[K]> : T[K]
+}
+
+export type ArtalkConfigPartial = DeepPartial<ArtalkConfig>
+
 /**
  * Local User Data (in localStorage)
  *
diff --git a/ui/artalk/src/types/context.ts b/ui/artalk/src/types/context.ts
index be7751fc..a3417334 100644
--- a/ui/artalk/src/types/context.ts
+++ b/ui/artalk/src/types/context.ts
@@ -2,6 +2,7 @@ import type { Marked } from 'marked'
 import type {
   SidebarShowPayload,
   EventPayloadMap,
+  ArtalkConfigPartial,
   ArtalkConfig,
   CommentData,
   DataManagerApi,
@@ -114,7 +115,7 @@ export interface ContextApi extends EventManagerFuncs<EventPayloadMap> {
   getEl(): HTMLElement
 
   /** 更新配置 */
-  updateConf(conf: Partial<ArtalkConfig>): void
+  updateConf(conf: ArtalkConfigPartial): void
 
   /** 监听配置更新 */
   watchConf<T extends (keyof ArtalkConfig)[]>(
diff --git a/ui/plugin-kit/package.json b/ui/plugin-kit/package.json
index 7fea4bf4..d663bd36 100644
--- a/ui/plugin-kit/package.json
+++ b/ui/plugin-kit/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@artalk/plugin-kit",
-  "version": "1.0.7",
+  "version": "1.0.8",
   "description": "The plugin kit for Artalk",
   "type": "module",
   "main": "dist/main.js",
diff --git a/ui/plugin-kit/src/plugin/main.ts b/ui/plugin-kit/src/plugin/main.ts
index 538ca36f..48e7e047 100644
--- a/ui/plugin-kit/src/plugin/main.ts
+++ b/ui/plugin-kit/src/plugin/main.ts
@@ -2,7 +2,7 @@ import path from 'node:path'
 import fs from 'node:fs'
 import type { LibraryOptions, Plugin } from 'vite'
 import ts from 'typescript'
-import type { ArtalkConfig } from 'artalk'
+import type { ArtalkConfigPartial } from 'artalk'
 
 import { RUNTIME_PATH, getRuntimeCode, wrapVirtualPrefix } from './runtime-helper'
 import { getInjectHTMLTags, hijackIndexPage } from './dev-page'
@@ -20,7 +20,7 @@ export interface ViteArtalkPluginKitOptions {
   /**
    * The options for Artalk instance initialization in the dev page.
    */
-  artalkInitOptions?: Partial<ArtalkConfig>
+  artalkInitOptions?: ArtalkConfigPartial
 }
 
 export const ViteArtalkPluginKit = (opts: ViteArtalkPluginKitOptions = {}): Plugin => {