更新小程序首页精选推荐逻辑，调整展示的章节数据源为排名接口，优化展开功能以支持动态加载更多章节。修复图标组件的SVG映射，确保图标显示一致性。更新开发环境配置为本地地址，提升开发体验。

miniprogram/pages/index/index.js

@@ -66,8 +66,7 @@ Page({
     // 展开状态（首页精选/最新）
     featuredExpanded: false,
     latestExpanded: false,
-    featuredSectionsFull: [], // 展开时用 book/hot 加载的完整列表
-    featuredExpandedLoading: false,
+    featuredSectionsFull: [], // ranking 返回的 10 条，默认展示前 5 条
 
     // 功能配置（搜索开关）
     searchEnabled: true,
@@ -203,24 +202,29 @@ Page({
         tagClass: ['tag-hot', 'tag-rec', 'tag-rec'][i] || 'tag-rec'
       })
 
-      const [recRes, latestRes] = await Promise.all([
-        app.request({ url: '/api/miniprogram/book/recommended', silent: true }).catch(() => null),
+      const [rankRes, latestRes] = await Promise.all([
+        app.request({ url: '/api/miniprogram/book/ranking?limit=10', silent: true }).catch(() => null),
         app.request({ url: '/api/miniprogram/book/latest-chapters', silent: true }).catch(() => null)
       ])
 
-      // 1. 精选推荐（recommended → hot 兜底）
-      let featured = []
-      if (recRes && recRes.success && Array.isArray(recRes.data) && recRes.data.length > 0) {
-        featured = recRes.data.map((s, i) => toSection(s, i))
+      // 1. 精选推荐（10 条，默认展示 5 条，展开显示 10 条）
+      let featuredFull = []
+      if (rankRes && rankRes.success && Array.isArray(rankRes.data) && rankRes.data.length > 0) {
+        featuredFull = rankRes.data.map((s, i) => toSection(s, i))
       }
-      if (featured.length === 0) {
+      if (featuredFull.length === 0) {
         try {
           const hotRes = await app.request({ url: '/api/miniprogram/book/hot?limit=10', silent: true })
           const hotList = (hotRes && hotRes.data) ? hotRes.data : []
-          if (hotList.length > 0) featured = hotList.slice(0, 3).map((s, i) => toSection(s, i))
+          if (hotList.length > 0) featuredFull = hotList.slice(0, 10).map((s, i) => toSection(s, i))
         } catch (e) { console.log('[Index] book/hot 兜底失败:', e) }
       }
-      if (featured.length > 0) this.setData({ featuredSections: featured })
+      if (featuredFull.length > 0) {
+        this.setData({
+          featuredSectionsFull: featuredFull,
+          featuredSections: featuredFull.slice(0, 5)
+        })
+      }
 
       // 2. 最新更新 + 最新列表（共用 latest-chapters 数据）
       const rawList = (latestRes && latestRes.data) ? latestRes.data : []
@@ -522,41 +526,14 @@ Page({
     wx.switchTab({ url: '/pages/match/match' })
   },
 
-  // 精选推荐：展开/折叠
-  async toggleFeaturedExpanded() {
-    if (this.data.featuredExpandedLoading) return
+  // 精选推荐：展开/折叠（默认 5 条，展开显示 10 条）
+  toggleFeaturedExpanded() {
     trackClick('home', 'tab_click', this.data.featuredExpanded ? '精选收起' : '精选展开')
+    const full = this.data.featuredSectionsFull || []
     if (this.data.featuredExpanded) {
-      const collapsed = this.data.featuredSectionsFull.length > 0 ? this.data.featuredSectionsFull.slice(0, 3) : this.data.featuredSections
-      this.setData({ featuredExpanded: false, featuredSections: collapsed })
-      return
-    }
-    if (this.data.featuredSectionsFull.length > 0) {
-      this.setData({ featuredExpanded: true, featuredSections: this.data.featuredSectionsFull })
-      return
-    }
-    this.setData({ featuredExpandedLoading: true })
-    try {
-      const res = await app.request({ url: '/api/miniprogram/book/hot?limit=50', silent: true })
-      const list = (res && res.data) ? res.data : []
-      const tagMap = ['热门', '推荐', '精选']
-      const full = list.map((s, i) => ({
-        id: s.id || s.section_id,
-        mid: s.mid ?? s.MID ?? 0,
-        title: s.sectionTitle || s.section_title || s.title || s.chapterTitle || '',
-        part: (s.partTitle || s.part_title || '').replace(/[_｜|]/g, ' ').trim(),
-        tag: tagMap[i % 3] || '精选',
-        tagClass: ['tag-hot', 'tag-rec', 'tag-rec'][i % 3] || 'tag-rec'
-      }))
-      this.setData({
-        featuredSectionsFull: full,
-        featuredSections: full,
-        featuredExpanded: true,
-        featuredExpandedLoading: false
-      })
-    } catch (e) {
-      console.log('[Index] 加载精选更多失败:', e)
-      this.setData({ featuredExpandedLoading: false })
+      this.setData({ featuredExpanded: false, featuredSections: full.slice(0, 5) })
+    } else {
+      this.setData({ featuredExpanded: true, featuredSections: full })
     }
   },
 

miniprogram/pages/index/index.wxml

@@ -96,8 +96,8 @@
     <view class="section">
       <view class="section-header">
         <text class="section-title">精选推荐</text>
-        <view class="section-more" wx:if="{{featuredSections.length > 0}}" bindtap="toggleFeaturedExpanded">
-          <text class="more-text">{{featuredExpandedLoading ? '加载中...' : (featuredExpanded ? '收起' : '展开更多')}}</text>
+        <view class="section-more" wx:if="{{featuredSectionsFull.length > 5}}" bindtap="toggleFeaturedExpanded">
+          <text class="more-text">{{featuredExpanded ? '收起' : '展开更多'}}</text>
           <icon name="{{featuredExpanded ? 'chevron-up' : 'chevron-down'}}" size="28" color="rgba(255,255,255,0.6)" customClass="more-arrow"></icon>
         </view>
       </view>