fix(widget): 修复评论列表无评论时的文案显示问题

- 将硬编码的“暂无评论，快来抢沙发吧！”文案移至国际化文件，便于统一管理
- 在 CommentList 构造函数中注入翻译函数，确保组件能正确使用国际化文案
- 调整语言选择逻辑，优先使用用户配置的语言，其次使用服务器配置，最后自动检测
- 在开发工具中增加语言选择配置项，便于测试不同语言环境

docs/widget/src/components/CommentList.js

@@ -35,6 +35,7 @@ export class CommentList extends Component {
    */
   constructor(container, props = {}) {
     super(container, props);
+    this.t = props.t || ((k) => k);
     this.loadingComponent = null;
     this.paginationComponent = null;
     this.commentItems = new Map(); // 缓存 CommentItem 实例，key 为 comment.id
@@ -120,7 +121,7 @@ export class CommentList extends Component {
       const emptyEl = this.createElement('div', {
         className: 'cwd-empty',
         children: [
-          this.createTextElement('p', '暂无评论，快来抢沙发吧！', 'cwd-empty-text')
+          this.createTextElement('p', this.t('noComments'), 'cwd-empty-text')
         ]
       });
       root.appendChild(emptyEl);

docs/widget/src/core/CWDComments.js

@@ -169,7 +169,7 @@ export class CWDComments {
 				});
 
 				// 设置语言
-				let lang = serverConfig.widgetLanguage || 'auto';
+				let lang = this.config.lang || serverConfig.widgetLanguage || 'auto';
 				if (lang === 'auto' && typeof navigator !== 'undefined') {
 					const browserLang = navigator.language || navigator.userLanguage;
 					if (browserLang.toLowerCase().startsWith('en')) {
@@ -194,7 +194,7 @@ export class CWDComments {
 				}
 			} else {
 				// 即使没有域名限制，也需要设置语言
-				let lang = serverConfig.widgetLanguage || 'auto';
+				let lang = this.config.lang || serverConfig.widgetLanguage || 'auto';
 				if (lang === 'auto' && typeof navigator !== 'undefined') {
 					const browserLang = navigator.language || navigator.userLanguage;
 					if (browserLang.toLowerCase().startsWith('en')) {

docs/widget/src/dev.js

@@ -51,12 +51,14 @@ function populateInputs(config) {
 	const avatarPrefixInput = document.getElementById('avatarPrefix');
 	const siteIdInput = document.getElementById('siteId');
 	const postSlugInput = document.getElementById('postSlug');
+	const langSelect = document.getElementById('lang');
 
 	if (apiBaseUrlInput) apiBaseUrlInput.value = config.apiBaseUrl || DEFAULT_CONFIG.apiBaseUrl;
 	if (themeSelect) themeSelect.value = config.theme || DEFAULT_CONFIG.theme;
 	if (avatarPrefixInput) avatarPrefixInput.value = config.avatarPrefix || DEFAULT_CONFIG.avatarPrefix;
 	if (siteIdInput) siteIdInput.value = config.siteId || DEFAULT_CONFIG.siteId || '';
 	if (postSlugInput) postSlugInput.value = config.postSlug || DEFAULT_CONFIG.postSlug || '';
+	if (langSelect) langSelect.value = config.lang || DEFAULT_CONFIG.lang;
 }
 
 /**
@@ -67,7 +69,8 @@ function getConfigFromInputs() {
 	const theme = document.getElementById('theme')?.value || DEFAULT_CONFIG.theme;
 	const siteId = document.getElementById('siteId')?.value || DEFAULT_CONFIG.siteId || '';
 	const postSlug = document.getElementById('postSlug')?.value || DEFAULT_CONFIG.postSlug || '';
-	return { apiBaseUrl, theme, siteId, postSlug };
+	const lang = document.getElementById('lang')?.value || DEFAULT_CONFIG.lang;
+	return { apiBaseUrl, theme, siteId, postSlug, lang };
 }
 
 /**
@@ -98,6 +101,7 @@ async function initWidget() {
 			apiBaseUrl: config.apiBaseUrl,
 			siteId: config.siteId,
 			postSlug: config.postSlug,
+			lang: config.lang,
 		});
 		widgetInstance.mount();
 	} catch (error) {}

docs/widget/src/locales/index.js

@@ -64,7 +64,7 @@ export const locales = {
 		verifyAdmin: '退出验证',
 		formTitle: '发表评论',
 		loadMore: '加载更多',
-		noComments: '暂无评论',
+		noComments: '暂无评论，快来抢沙发吧！',
 		delete: '删除',
 		confirmDelete: '确定删除这条评论吗？',
 		deleteSuccess: '删除成功',