新增: 电子相册全屏模式+开机启动+Win10兼容

2026-05-27 01:00:39 +08:00
parent 0cd9cd40b4
commit f3148bf72f
31 changed files with 1290 additions and 490 deletions
--- a/ainews.go
+++ b/ainews.go
@@ -55,7 +55,12 @@ func fetchAINews() []aiNewsItem {
 	}
 	aiNewsMu.Unlock()

-	url := fmt.Sprintf("%s?key=%s", tianapiAIURL, tianapiKey)
+	key := loadConfig().tianapiKey()
+	if key == "" {
+		log.Println("未配置天聚数行 API Key")
+		return nil
+	}
+	url := fmt.Sprintf("%s?key=%s", tianapiAIURL, key)
 	data, err := httpGet(url)
 	if err != nil {
 		log.Println("AI资讯请求失败:", err)
@@ -124,26 +129,34 @@ func pushAINews(items []aiNewsItem) {

 func aiNewsLoop() {
 	cfg := loadConfig()
-	if cfg.HideAINews {
-		return
-	}
-
+	if !cfg.HideAINews {
 		// 先推送缓存
 		if cached := loadAINewsCache(); cached != nil {
 			pushAINews(cached)
 		}
+	} else if cached := loadAINewsCache(); cached != nil {
+		aiNewsMu.Lock()
+		aiNewsCache = cached
+		aiNewsCacheAt = time.Now()
+		aiNewsMu.Unlock()
+	}

 	time.Sleep(8 * time.Second)

 	cfg = loadConfig()
-	if cfg.HideAINews {
-		return
+	if !cfg.HideAINews {
+		var items []aiNewsItem
+		for i := 0; i < 3; i++ {
+			items = fetchAINews()
+			if items != nil {
+				break
+			}
+			time.Sleep(30 * time.Second)
 		}
-
-	items := fetchAINews()
 		if items != nil {
 			pushAINews(items)
 		}
+	}

 	ticker := time.NewTicker(2 * time.Hour)
 	for range ticker.C {
--- a/assets/icons/tray-icon-128.png
+++ b/assets/icons/tray-icon-128.png
--- a/assets/icons/tray-icon-16.png
+++ b/assets/icons/tray-icon-16.png
--- a/assets/icons/tray-icon-20.png
+++ b/assets/icons/tray-icon-20.png
--- a/assets/icons/tray-icon-24.png
+++ b/assets/icons/tray-icon-24.png
--- a/assets/icons/tray-icon-256.png
+++ b/assets/icons/tray-icon-256.png
--- a/assets/icons/tray-icon-32.png
+++ b/assets/icons/tray-icon-32.png
--- a/assets/icons/tray-icon-40.png
+++ b/assets/icons/tray-icon-40.png
--- a/assets/icons/tray-icon-48.png
+++ b/assets/icons/tray-icon-48.png
--- a/assets/icons/tray-icon-64.png
+++ b/assets/icons/tray-icon-64.png
--- a/assets/icons/tray-icon.png
+++ b/assets/icons/tray-icon.png
--- a/assets/icons/tray-source.png
+++ b/assets/icons/tray-source.png
--- a/assets/icons/tray.ico
+++ b/assets/icons/tray.ico
--- a/bing.go
+++ b/bing.go
@@ -213,25 +213,14 @@ func bingToggleFavorite() string {
 	r := &h.Records[h.CurrentIdx]
 	r.Favorited = !r.Favorited
 	saveBingHistory(h)
-	state := "收藏"
-	if r.Favorited {
-		state = "取消收藏"
-	}
-	log.Printf("Bing 壁纸: %s (date=%s)", state, r.Date)
 	if r.Favorited {
+		log.Printf("Bing 壁纸: 已收藏 (date=%s)", r.Date)
 		return "☆ 取消收藏"
 	}
+	log.Printf("Bing 壁纸: 已取消收藏 (date=%s)", r.Date)
 	return "★ 收藏当前壁纸"
 }

-func bingCopyrightInfo() string {
-	r := getCurrentBingRecord()
-	if r != nil {
-		return fmt.Sprintf("%s (%s)", r.Copyright, r.Date)
-	}
-	return ""
-}
-
 func bingCurrentState() string {
 	h := loadBingHistory()
 	if h.CurrentIdx < 0 || h.CurrentIdx >= len(h.Records) {
@@ -305,25 +294,28 @@ func bingWallpaperLoop() {
 	}

 	// 定时切换壁纸 (1 小时间隔)
+	go func() {
 		ticker := time.NewTicker(1 * time.Hour)
 		for range ticker.C {
 			cfg := loadConfig()
 			if cfg.WallpaperType != WPBing || !cfg.BingAutoRefresh {
 				continue
 			}
+			bingMu.Lock()
 			h := loadBingHistory()
 			if len(h.Records) <= 1 {
+				bingMu.Unlock()
 				continue
 			}
-		// 顺序切换到下一张
-		nextIdx := (h.CurrentIdx + 1) % len(h.Records)
-		h.CurrentIdx = nextIdx
+			h.CurrentIdx = (h.CurrentIdx + 1) % len(h.Records)
 			saveBingHistory(h)
+			bingMu.Unlock()
 			bingReloadImage()
-		log.Printf("Bing 自动切换: idx=%d/%d", nextIdx, len(h.Records))
+			log.Printf("Bing 自动切换: idx=%d/%d", h.CurrentIdx, len(h.Records))
 		}
+	}()

-	// 定时拉取新壁纸 (4 小时间隔)
+	go func() {
 		fetchTicker := time.NewTicker(4 * time.Hour)
 		for range fetchTicker.C {
 			cfg := loadConfig()
@@ -331,4 +323,5 @@ func bingWallpaperLoop() {
 				go fetchBingHistory()
 			}
 		}
+	}()
 }
--- a/build.ps1
+++ b/build.ps1
@@ -0,0 +1,73 @@
+<#
+.SYNOPSIS
+    u-desktop 构建脚本
+.PARAMETER Pack
+    打包为 zip（含 WebView2 bootstrapper）
+#>
+param(
+    [switch]$Pack
+)
+
+$ErrorActionPreference = "Stop"
+$project = "u-desktop"
+$buildDir = "dist"
+
+# 清理
+if (Test-Path $buildDir) { Remove-Item $buildDir -Recurse -Force }
+New-Item -ItemType Directory -Force -Path $buildDir | Out-Null
+
+# 版本号
+$gitHash = git rev-parse --short HEAD
+$version = "$(Get-Date -Format 'yyyyMMdd').$gitHash"
+Write-Host "=== 构建 $project v$version ===" -ForegroundColor Cyan
+
+# 构建（隐藏控制台窗口）
+$env:GOOS = "windows"
+$env:GOARCH = "amd64"
+go build -ldflags="-s -w -H windowsgui -X main.version=$version" -o "$buildDir/$project.exe" .
+if ($LASTEXITCODE -ne 0) { Write-Host "构建失败" -ForegroundColor Red; exit 1 }
+
+$sizeBefore = [math]::Round((Get-Item "$buildDir/$project.exe").Length / 1MB, 1)
+Write-Host "构建完成: $buildDir/$project.exe ($sizeBefore MB)" -ForegroundColor Green
+
+# UPX 压缩
+if (Get-Command upx -ErrorAction SilentlyContinue) {
+    Write-Host "UPX 压缩中..." -ForegroundColor Yellow
+    upx --best "$buildDir/$project.exe"
+    $sizeAfter = [math]::Round((Get-Item "$buildDir/$project.exe").Length / 1MB, 1)
+    Write-Host "UPX 完成: $sizeBefore MB -> $sizeAfter MB" -ForegroundColor Green
+} else {
+    Write-Host "UPX 未安装，跳过压缩" -ForegroundColor Yellow
+}
+
+if (-not $Pack) { exit 0 }
+
+# --- 打包 ---
+$packDir = "$buildDir\$project-win10-amd64"
+if (Test-Path $packDir) { Remove-Item $packDir -Recurse -Force }
+New-Item -ItemType Directory -Force -Path $packDir | Out-Null
+
+# 复制 exe
+Copy-Item "$buildDir\$project.exe" $packDir
+
+# 下载 WebView2 bootstrapper
+$bootstrapper = "$packDir\MicrosoftEdgeWebview2Setup.exe"
+Write-Host "下载 WebView2 bootstrapper..." -ForegroundColor Yellow
+Invoke-WebRequest -Uri "https://go.microsoft.com/fwlink/p/?LinkId=2124703" -OutFile $bootstrapper -UseBasicParsing
+
+# 写入安装说明
+@"
+u-desktop v$version
+
+== 首次运行（Windows 10）==
+如果程序无法启动，请先运行 MicrosoftEdgeWebview2Setup.exe 安装 WebView2 运行时。
+Windows 11 无需安装，直接运行 $project.exe 即可。
+"@ | Out-File "$packDir\README.txt" -Encoding UTF8
+
+# 打包 zip
+$zipName = "$project-win10-amd64-v$version.zip"
+Compress-Archive -Path $packDir -DestinationPath "$buildDir\$zipName" -Force
+Write-Host "打包完成: $buildDir\$zipName" -ForegroundColor Green
+
+# 清理临时目录
+Remove-Item $packDir -Recurse -Force
--- a/config.go
+++ b/config.go
@@ -1,12 +1,9 @@
 package main

 import (
-	"bytes"
-	"encoding/binary"
+	_ "embed"
 	"encoding/json"
-	"image"
-	"image/color"
-	"image/png"
+	"log"
 	"os"
 	"path/filepath"
 )
@@ -64,17 +61,25 @@ type Config struct {
 	PhotoDir         string        `json:"photoDir"`
 	PhotoInterval    int           `json:"photoInterval"`
 	HidePhoto        bool          `json:"hidePhoto"`
+	PhotoFrameMode   bool          `json:"photoFrameMode"`
 	KnowledgeKeyword string        `json:"knowledgeKeyword"`
 	KnowledgePrompt  string        `json:"knowledgePrompt"`
 	HideKnowledge    bool          `json:"hideKnowledge"`
 	SavedColors      []SavedColor  `json:"savedColors"`
 	BingAutoRefresh  bool          `json:"bingAutoRefresh"`
+	AutoStart        bool          `json:"autoStart"`
+	QWeatherKey      string        `json:"qweatherKey,omitempty"`
+	TianapiKey       string        `json:"tianapiKey,omitempty"`
+	CPAKey           string        `json:"cpaKey,omitempty"`
 }

 const defaultZodiac = "射手座"

 var configPath string

+//go:embed assets/icons/tray.ico
+var trayIcon []byte
+
 func configDir() string {
 	return filepath.Dir(configPath)
 }
@@ -117,30 +122,29 @@ func defaultConfig() *Config {
 }

 func saveConfig(cfg *Config) error {
-	data, _ := json.MarshalIndent(cfg, "", "  ")
+	data, err := json.MarshalIndent(cfg, "", "  ")
+	if err != nil {
+		log.Println("配置序列化失败:", err)
+		return err
+	}
 	return os.WriteFile(configPath, data, 0644)
 }

-func generateIcon() []byte {
-	img := image.NewRGBA(image.Rect(0, 0, 16, 16))
-	c := color.RGBA{R: 88, G: 101, B: 242, A: 255}
-	for y := 0; y < 16; y++ {
-		for x := 0; x < 16; x++ {
-			img.Set(x, y, c)
+func getSecret(envName, cfgValue string) string {
+	if v := os.Getenv(envName); v != "" {
+		return v
 	}
-	}
-	var buf bytes.Buffer
-	png.Encode(&buf, img)
-	pngData := buf.Bytes()
-	ico := make([]byte, 22+len(pngData))
-	binary.LittleEndian.PutUint16(ico[0:], 0)
-	binary.LittleEndian.PutUint16(ico[2:], 1)
-	binary.LittleEndian.PutUint16(ico[4:], 1)
-	ico[6], ico[7], ico[8], ico[9] = 16, 16, 0, 0
-	binary.LittleEndian.PutUint16(ico[10:], 1)
-	binary.LittleEndian.PutUint16(ico[12:], 32)
-	binary.LittleEndian.PutUint32(ico[14:], uint32(len(pngData)))
-	binary.LittleEndian.PutUint32(ico[18:], 22)
-	copy(ico[22:], pngData)
-	return ico
+	return cfgValue
+}
+
+func (c *Config) qweatherKey() string {
+	return getSecret("U_DESKTOP_QWEATHER_KEY", c.QWeatherKey)
+}
+
+func (c *Config) tianapiKey() string {
+	return getSecret("U_DESKTOP_TIANAPI_KEY", c.TianapiKey)
+}
+
+func (c *Config) cpaKey() string {
+	return getSecret("U_DESKTOP_CPA_KEY", c.CPAKey)
 }
--- a/config_icon_test.go
+++ b/config_icon_test.go
@@ -0,0 +1,56 @@
+package main
+
+import (
+	"bytes"
+	"encoding/binary"
+	"image/png"
+	"testing"
+)
+
+func TestTrayIconIsMultiSizeICO(t *testing.T) {
+	ico := trayIcon
+	if len(ico) < 6 {
+		t.Fatalf("icon is too short: %d bytes", len(ico))
+	}
+	if got := binary.LittleEndian.Uint16(ico[0:2]); got != 0 {
+		t.Fatalf("reserved field = %d, want 0", got)
+	}
+	if got := binary.LittleEndian.Uint16(ico[2:4]); got != 1 {
+		t.Fatalf("icon type = %d, want 1", got)
+	}
+	count := int(binary.LittleEndian.Uint16(ico[4:6]))
+	if count < 3 {
+		t.Fatalf("entry count = %d, want at least 3", count)
+	}
+
+	seen := map[int]bool{}
+	for i := 0; i < count; i++ {
+		entry := 6 + i*16
+		size := int(ico[entry])
+		if size == 0 {
+			size = 256
+		}
+		seen[size] = true
+		dataSize := int(binary.LittleEndian.Uint32(ico[entry+8 : entry+12]))
+		dataOffset := int(binary.LittleEndian.Uint32(ico[entry+12 : entry+16]))
+		if dataOffset+dataSize > len(ico) {
+			t.Fatalf("entry %d data range %d..%d exceeds icon length %d", i, dataOffset, dataOffset+dataSize, len(ico))
+		}
+		img, err := png.Decode(bytes.NewReader(ico[dataOffset : dataOffset+dataSize]))
+		if err != nil {
+			t.Fatalf("entry %d PNG decode failed: %v", i, err)
+		}
+		if got := img.Bounds().Dx(); got != int(size) {
+			t.Fatalf("entry %d decoded width = %d, want %d", i, got, size)
+		}
+		if got := img.Bounds().Dy(); got != int(size) {
+			t.Fatalf("entry %d decoded height = %d, want %d", i, got, size)
+		}
+	}
+
+	for _, size := range []int{16, 32, 48, 256} {
+		if !seen[size] {
+			t.Fatalf("icon is missing %dx%d entry", size, size)
+		}
+	}
+}
--- a/dialog.go
+++ b/dialog.go
@@ -24,10 +24,14 @@ var (
 func slicePtr(s interface{}) uintptr {
 	switch v := s.(type) {
 	case []uint16:
-		if len(v) == 0 { return 0 }
+		if len(v) == 0 {
+			return 0
+		}
 		return uintptr(unsafe.Pointer(&v[0]))
 	case []uint32:
-		if len(v) == 0 { return 0 }
+		if len(v) == 0 {
+			return 0
+		}
 		return uintptr(unsafe.Pointer(&v[0]))
 	}
 	return 0
--- a/horoscope.go
+++ b/horoscope.go
@@ -7,11 +7,9 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
-	"sync"
 	"time"
 )

-const tianapiKey = "da21ff665b09cbdcc29952a105aad97b"
 const tianapiStarURL = "https://apis.tianapi.com/star/index"

 var zodiacToSign = map[string]string{
@@ -20,8 +18,6 @@ var zodiacToSign = map[string]string{
 	"射手座": "sagittarius", "摩羯座": "capricorn", "水瓶座": "aquarius", "双鱼座": "pisces",
 }

-var horoscopeMu sync.Mutex
-
 type tianapiStarResp struct {
 	Code   int `json:"code"`
 	Result struct {
@@ -68,17 +64,18 @@ func loadHoroscopeCache() *horoscopeInfo {
 	return &info
 }

-func isCacheToday(info *horoscopeInfo) bool {
-	return info != nil
-}
-
 func fetchHoroscope(zodiac string) *horoscopeInfo {
 	sign := zodiacToSign[zodiac]
 	if sign == "" {
 		sign = "sagittarius"
 	}

-	url := fmt.Sprintf("%s?key=%s&astro=%s", tianapiStarURL, tianapiKey, sign)
+	key := loadConfig().tianapiKey()
+	if key == "" {
+		log.Println("未配置天聚数行 API Key")
+		return nil
+	}
+	url := fmt.Sprintf("%s?key=%s&astro=%s", tianapiStarURL, key, sign)
 	data, err := httpGet(url)
 	if err != nil {
 		log.Println("星座运势请求失败:", err)
@@ -138,28 +135,26 @@ func pushHoroscope(zodiac string) {

 func horoscopeLoop() {
 	cfg := loadConfig()
-	if cfg.HideZodiac {
-		return
-	}

 	cached := loadHoroscopeCache()
-	if cached != nil {
+	if cached != nil && !cfg.HideZodiac {
 		pushHoroscopeInfo(cached)
 	}

 	time.Sleep(5 * time.Second)

 	cfg = loadConfig()
-	if cfg.HideZodiac {
-		return
-	}
-
 	today := time.Now().Format("2006-01-02")
-	if cached != nil && cached.Date == today && cached.Zodiac == cfg.Zodiac {
-		return
-	}
-
+	if !cfg.HideZodiac && !(cached != nil && cached.Date == today && cached.Zodiac == cfg.Zodiac) {
+		for i := 0; i < 3; i++ {
 			pushHoroscope(cfg.Zodiac)
+			cached := loadHoroscopeCache()
+			if cached != nil && cached.Date == time.Now().Format("2006-01-02") && cached.Zodiac == cfg.Zodiac {
+				break
+			}
+			time.Sleep(30 * time.Second)
+		}
+	}

 	ticker := time.NewTicker(24 * time.Hour)
 	for range ticker.C {
--- a/knowledge.go
+++ b/knowledge.go
@@ -9,14 +9,16 @@ import (
 	"math/rand"
 	"net/http"
 	"path/filepath"
+	"strings"
 	"time"
+	"unicode/utf8"

 	_ "modernc.org/sqlite"
 )

 const cpaURL = "https://cpa.1216.top/v1/chat/completions"
-const cpaKey = "alink-shared-key-1"
 const cpaModel = "glm-4.5-air"
+const minKnowledgeRunes = 80

 type knowledgeData struct {
 	Content string `json:"content"`
@@ -59,15 +61,24 @@ func getRandomKnowledgeCard(keyword string) string {
 	if knowledgeDB == nil {
 		return ""
 	}
-	var content string
-	err := knowledgeDB.QueryRow(
-		"SELECT content FROM knowledge_cards WHERE keyword = ? ORDER BY RANDOM() LIMIT 1",
+	rows, err := knowledgeDB.Query(
+		"SELECT content FROM knowledge_cards WHERE keyword = ? ORDER BY RANDOM() LIMIT 20",
 		keyword,
-	).Scan(&content)
+	)
 	if err != nil {
 		return ""
 	}
+	defer rows.Close()
+	for rows.Next() {
+		var content string
+		if rows.Scan(&content) == nil {
+			content = normalizeKnowledgeContent(content)
+			if isQualityKnowledgeCard(content) {
 				return content
+			}
+		}
+	}
+	return ""
 }

 func getKnowledgeCardCount(keyword string) int {
@@ -86,21 +97,60 @@ func getKnowledgeCardCount(keyword string) int {
 }

 func fetchKnowledgeFromLLM(keyword string, cfg *Config) string {
-	basePrompt := fmt.Sprintf(
-		"根据关键词「%s」，生成一条有趣的知识小卡片。要求：控制在80字以内，简洁有趣，有知识性。直接输出内容，不要加标题、序号或其他格式。",
-		keyword,
-	)
-	if cfg.KnowledgePrompt != "" {
-		basePrompt += "\n附加要求：" + cfg.KnowledgePrompt
+	basePrompt := buildKnowledgePrompt(keyword, cfg.KnowledgePrompt)
+	messages := []map[string]string{
+		{
+			"role":    "system",
+			"content": "你是严谨的中文知识卡片作者，输出必须具体、准确、有信息密度。不要写空泛鸡汤，不要只给一句定义。",
+		},
+		{"role": "user", "content": basePrompt},
 	}

 	body := map[string]interface{}{
 		"model":       cpaModel,
-		"max_tokens": 256,
-		"messages": []map[string]string{
-			{"role": "user", "content": basePrompt},
-		},
+		"max_tokens":  512,
+		"temperature": 0.55,
+		"messages":    messages,
 	}
+	content := requestKnowledgeCompletion(body)
+	content = normalizeKnowledgeContent(content)
+	if isQualityKnowledgeCard(content) {
+		return content
+	}
+
+	log.Printf("知识卡片质量不足，重试: %q", content)
+	messages = append(messages, map[string]string{
+		"role": "user",
+		"content": fmt.Sprintf(
+			"上一条太短或信息密度不足。请重写一条「%s」知识卡片：120-180个中文字符，必须包含一个明确机制/原理、一个具体例子或应用场景、一个结论。只输出正文。",
+			keyword,
+		),
+	})
+	body["messages"] = messages
+	content = requestKnowledgeCompletion(body)
+	content = normalizeKnowledgeContent(content)
+	if isQualityKnowledgeCard(content) {
+		return content
+	}
+
+	return ""
+}
+
+func buildKnowledgePrompt(keyword, customPrompt string) string {
+	basePrompt := fmt.Sprintf(`围绕关键词「%s」生成一条桌面知识卡片。
+硬性要求：
+1. 120-180个中文字符，分成2-3句；
+2. 必须讲清一个具体机制、原理、权衡或实践经验；
+3. 必须包含一个具体例子、场景或判断标准；
+4. 避免“很重要、非常有用、提升效率”这类空泛表述；
+5. 不要标题、序号、Markdown、表情，直接输出正文。`, keyword)
+	if customPrompt != "" {
+		basePrompt += "\n附加风格要求（不能覆盖上面的字数和质量要求）：" + customPrompt
+	}
+	return basePrompt
+}
+
+func requestKnowledgeCompletion(body map[string]interface{}) string {
 	jsonData, _ := json.Marshal(body)

 	req, err := http.NewRequest("POST", cpaURL, bytes.NewReader(jsonData))
@@ -108,7 +158,12 @@ func fetchKnowledgeFromLLM(keyword string, cfg *Config) string {
 		log.Println("知识API请求创建失败:", err)
 		return ""
 	}
-	req.Header.Set("Authorization", "Bearer "+cpaKey)
+	key := loadConfig().cpaKey()
+	if key == "" {
+		log.Println("未配置知识卡片 API Key")
+		return ""
+	}
+	req.Header.Set("Authorization", "Bearer "+key)
 	req.Header.Set("Content-Type", "application/json")

 	resp, err := httpClient.Do(req)
@@ -135,6 +190,41 @@ func fetchKnowledgeFromLLM(keyword string, cfg *Config) string {
 	return ""
 }

+// normalizeKnowledgeContent 清洗 LLM 输出的格式残留（Markdown标记、标题前缀、多余空白）
+func normalizeKnowledgeContent(content string) string {
+	content = strings.TrimSpace(content)
+	content = strings.Trim(content, "` \t\r\n")
+	content = strings.TrimPrefix(content, "知识卡片：")
+	content = strings.TrimPrefix(content, "知识卡片:")
+	content = strings.TrimPrefix(content, "正文：")
+	content = strings.TrimPrefix(content, "正文:")
+	content = strings.ReplaceAll(content, "\r\n", "\n")
+	lines := strings.FieldsFunc(content, func(r rune) bool {
+		return r == '\n' || r == '\r' || r == '\t'
+	})
+	content = strings.Join(lines, " ")
+	content = strings.Join(strings.Fields(content), " ")
+	return strings.TrimSpace(content)
+}
+
+// isQualityKnowledgeCard 检查字数 ≥80 且空泛表述 <3 条
+func isQualityKnowledgeCard(content string) bool {
+	if utf8.RuneCountInString(content) < minKnowledgeRunes {
+		return false
+	}
+	weakPhrases := []string{"很重要", "非常重要", "很有用", "提升效率", "值得关注", "可以帮助", "广泛应用"}
+	weakHits := 0
+	for _, phrase := range weakPhrases {
+		if strings.Contains(content, phrase) {
+			weakHits++
+		}
+	}
+	if weakHits >= 3 {
+		return false
+	}
+	return strings.ContainsAny(content, "。；;：:，,")
+}
+
 func pushKnowledgeJSON(content, keyword string) {
 	data, _ := json.Marshal(knowledgeData{Content: content, Keyword: keyword})
 	evalJS(fmt.Sprintf(`if(window.updateKnowledgeFromGo) window.updateKnowledgeFromGo(%s)`, string(data)))
--- a/main.go
+++ b/main.go
@@ -1,24 +1,57 @@
 package main

 import (
+	"fmt"
 	"log"
 	"os"
 	"path/filepath"
+	"unsafe"

 	"github.com/getlantern/systray"
+	"github.com/jchv/go-webview2/webviewloader"
 	"golang.org/x/sys/windows"
 )

+func showError(msg string) {
+	title, _ := windows.UTF16PtrFromString("u-desktop")
+	text, _ := windows.UTF16PtrFromString(msg)
+	procMessageBoxW.Call(0, uintptr(unsafe.Pointer(text)), uintptr(unsafe.Pointer(title)), 0x10)
+}
+
+func setupLog() {
+	exePath, _ := os.Executable()
+	logFile, err := os.Create(filepath.Join(filepath.Dir(exePath), "u-desktop.log"))
+	if err != nil {
+		return
+	}
+	log.SetOutput(logFile)
+	log.SetFlags(log.Ldate | log.Ltime | log.Lmicroseconds)
+}
+
 func main() {
-	log.SetFlags(log.Ltime | log.Lmicroseconds)
+	setupLog()
+
+	defer func() {
+		if r := recover(); r != nil {
+			log.Println("PANIC:", r)
+			showError(fmt.Sprintf("程序崩溃: %v\n详情见 u-desktop.log", r))
+		}
+	}()
+
+	ver, err := webviewloader.GetInstalledVersion()
+	if err != nil || ver == "" {
+		showError("未检测到 WebView2 运行时，请先安装 Microsoft Edge WebView2 Runtime。\n\n下载地址: https://developer.microsoft.com/microsoft-edge/webview2/")
+		os.Exit(1)
+	}
+	log.Println("WebView2:", ver)

 	mutexName, _ := windows.UTF16PtrFromString("Global\\u-desktop-single-instance")
 	mutex, err := windows.CreateMutex(nil, false, mutexName)
 	if err != nil {
-		log.Fatal("创建互斥锁失败:", err)
+		showError("创建互斥锁失败: " + err.Error())
+		os.Exit(1)
 	}
 	if windows.GetLastError() == windows.ERROR_ALREADY_EXISTS {
-		log.Println("已有实例运行，退出")
 		windows.CloseHandle(mutex)
 		return
 	}
@@ -29,5 +62,7 @@ func main() {
 	os.MkdirAll(cfgDir, 0755)
 	configPath = filepath.Join(cfgDir, "settings.json")
 	procSetProcessDPIAware.Call()
+
+	log.Println("启动 systray...")
 	systray.Run(onSystrayReady, nil)
 }
--- a/photo.go
+++ b/photo.go
@@ -1,7 +1,6 @@
 package main

 import (
-	"encoding/base64"
 	"encoding/json"
 	"fmt"
 	"log"
@@ -20,6 +19,9 @@ var (
 	photoDir      string
 	photoStop     chan struct{}
 	photoDone     chan struct{}
+	photoCacheMu  sync.Mutex
+	photoCacheMap map[string]string
+	photoCacheDir string
 )

 func scanPhotoDir(dir string) []string {
@@ -42,25 +44,31 @@ func scanPhotoDir(dir string) []string {
 	return files
 }

-func photoToDataURI(dir, name string) string {
-	path := filepath.Join(dir, name)
-	data, err := os.ReadFile(path)
-	if err != nil {
-		return ""
+func preCachePhotos(dir string, files []string) {
+	cache := make(map[string]string, len(files))
+	for _, name := range files {
+		uri := imageToDataURI(filepath.Join(dir, name))
+		if uri != "" {
+			cache[name] = uri
 		}
-	ext := strings.ToLower(filepath.Ext(name))
-	mime := "image/jpeg"
-	switch ext {
-	case ".png":
-		mime = "image/png"
-	case ".gif":
-		mime = "image/gif"
-	case ".webp":
-		mime = "image/webp"
-	case ".bmp":
-		mime = "image/bmp"
 	}
-	return fmt.Sprintf("data:%s;base64,%s", mime, base64.StdEncoding.EncodeToString(data))
+	photoCacheMu.Lock()
+	photoCacheMap = cache
+	photoCacheDir = dir
+	photoCacheMu.Unlock()
+	log.Printf("相册: 预缓存 %d/%d 张", len(cache), len(files))
+}
+
+func getCachedPhotoURI(dir, name string) string {
+	photoCacheMu.Lock()
+	if photoCacheMap != nil && photoCacheDir == dir {
+		if uri, ok := photoCacheMap[name]; ok {
+			photoCacheMu.Unlock()
+			return uri
+		}
+	}
+	photoCacheMu.Unlock()
+	return imageToDataURI(filepath.Join(dir, name))
 }

 func pushCurrentPhoto(interval int) {
@@ -78,7 +86,7 @@ func pushCurrentPhoto(interval int) {
 		idx = 0
 	}

-	src := photoToDataURI(dir, files[idx])
+	src := getCachedPhotoURI(dir, files[idx])
 	if src == "" {
 		return
 	}
@@ -118,7 +126,13 @@ func startPhotoLoop() {
 	photoDone = done
 	photoMu.Unlock()

+	photoCacheMu.Lock()
+	photoCacheMap = nil
+	photoCacheDir = cfg.PhotoDir
+	photoCacheMu.Unlock()
+
 	log.Printf("相册: 共 %d 张, 间隔 %ds", len(files), interval)
+	go preCachePhotos(cfg.PhotoDir, files)
 	pushCurrentPhoto(interval)

 	go func() {
@@ -149,8 +163,16 @@ func stopPhotoLoop() {
 	done := photoDone
 	photoStop = nil
 	photoDone = nil
+	photoFiles = nil
+	photoIdx = 0
+	photoDir = ""
 	photoMu.Unlock()

+	photoCacheMu.Lock()
+	photoCacheMap = nil
+	photoCacheDir = ""
+	photoCacheMu.Unlock()
+
 	if stop != nil {
 		close(stop)
 	}
--- a/scripts/build_tray_icon.py
+++ b/scripts/build_tray_icon.py
@@ -0,0 +1,98 @@
+from __future__ import annotations
+
+import argparse
+from pathlib import Path
+
+from PIL import Image, ImageChops
+
+
+ICON_SIZES = (16, 20, 24, 32, 40, 48, 64, 128, 256)
+
+
+def remove_green_background(image: Image.Image) -> Image.Image:
+	rgba = image.convert("RGBA")
+	pixels = rgba.load()
+	width, height = rgba.size
+
+	for y in range(height):
+		for x in range(width):
+			r, g, b, a = pixels[x, y]
+			green_score = g - max(r, b)
+			is_key = g > 90 and green_score > 35
+			is_fringe = g > 32 and g > r * 1.35 and g > b * 1.20
+			if is_key or is_fringe:
+				edge = max(0, min(255, (green_score - 18) * 5))
+				alpha = max(0, 255 - edge)
+				if alpha < 56:
+					pixels[x, y] = (0, 0, 0, 0)
+				else:
+					despilled_g = min(g, max(r, b))
+					pixels[x, y] = (r, despilled_g, b, min(a, alpha))
+
+	return rgba
+
+
+def crop_to_alpha(image: Image.Image, padding_ratio: float) -> Image.Image:
+    alpha = image.getchannel("A")
+    bbox = alpha.getbbox()
+    if not bbox:
+        raise ValueError("source image has no visible pixels after background removal")
+
+    cropped = image.crop(bbox)
+    side = max(cropped.size)
+    padding = round(side * padding_ratio)
+    canvas_side = side + padding * 2
+    canvas = Image.new("RGBA", (canvas_side, canvas_side), (0, 0, 0, 0))
+    canvas.alpha_composite(cropped, ((canvas_side - cropped.width) // 2, (canvas_side - cropped.height) // 2))
+    return canvas
+
+
+def trim_transparent_padding(image: Image.Image) -> Image.Image:
+    empty = Image.new("RGBA", image.size, (0, 0, 0, 0))
+    bbox = ImageChops.difference(image, empty).getbbox()
+    if bbox is None:
+        return image
+    return image.crop(bbox)
+
+
+def build_icons(source: Path, out_dir: Path, padding_ratio: float) -> None:
+    out_dir.mkdir(parents=True, exist_ok=True)
+
+    source_image = Image.open(source)
+    transparent = remove_green_background(source_image)
+    master = crop_to_alpha(transparent, padding_ratio)
+    master = trim_transparent_padding(master)
+
+    master_path = out_dir / "tray-icon.png"
+    master.save(master_path)
+
+    resized_images: list[Image.Image] = []
+    for size in ICON_SIZES:
+        resized = master.resize((size, size), Image.Resampling.LANCZOS)
+        resized.save(out_dir / f"tray-icon-{size}.png")
+        resized_images.append(resized)
+
+    ico_path = out_dir / "tray.ico"
+    resized_images[-1].save(
+        ico_path,
+        format="ICO",
+        sizes=[(size, size) for size in ICON_SIZES],
+        append_images=resized_images[:-1],
+    )
+
+    print(f"wrote {master_path}")
+    print(f"wrote {ico_path}")
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(description="Build u-desktop tray icon assets from a generated source image.")
+    parser.add_argument("--source", type=Path, required=True, help="Generated source PNG on a green chroma-key background.")
+    parser.add_argument("--out-dir", type=Path, default=Path("assets/icons"), help="Directory for PNG sizes and tray.ico.")
+    parser.add_argument("--padding", type=float, default=0.04, help="Transparent padding ratio around the cropped icon.")
+    args = parser.parse_args()
+
+    build_icons(args.source, args.out_dir, args.padding)
+
+
+if __name__ == "__main__":
+    main()
--- a/scripts/check-resources.ps1
+++ b/scripts/check-resources.ps1
@@ -0,0 +1,8 @@
+$p = Get-Process -Name 'u-desktop' -ErrorAction SilentlyContinue
+if (-not $p) { Write-Host "u-desktop not running"; exit 0 }
+Write-Host "PID:          $($p.Id)"
+Write-Host "CPU time:     $([math]::Round($p.CPU, 2))s"
+Write-Host "WorkingSet:   $([math]::Round($p.WorkingSet64/1MB, 1)) MB"
+Write-Host "PrivateMem:   $([math]::Round($p.PrivateMemorySize64/1MB, 1)) MB"
+Write-Host "Threads:      $($p.Threads.Count)"
+Write-Host "Handles:      $($p.HandleCount)"
--- a/settings.go
+++ b/settings.go
@@ -24,6 +24,40 @@ var (
 	settingsHwnd uintptr
 )

+const runKeyPath = `Software\Microsoft\Windows\CurrentVersion\Run`
+
+func isAutoStartEnabled() bool {
+	k, err := registry.OpenKey(registry.CURRENT_USER, runKeyPath, registry.QUERY_VALUE)
+	if err != nil {
+		return false
+	}
+	defer k.Close()
+	_, _, err = k.GetStringValue("u-desktop")
+	return err == nil
+}
+
+func setAutoStart(enabled bool) {
+	exePath, _ := os.Executable()
+	if enabled {
+		k, _, err := registry.CreateKey(registry.CURRENT_USER, runKeyPath, registry.SET_VALUE)
+		if err != nil {
+			log.Println("注册表写入失败:", err)
+			return
+		}
+		defer k.Close()
+		k.SetStringValue("u-desktop", exePath)
+		log.Println("已开启开机启动")
+	} else {
+		k, err := registry.OpenKey(registry.CURRENT_USER, runKeyPath, registry.SET_VALUE)
+		if err != nil {
+			return
+		}
+		defer k.Close()
+		k.DeleteValue("u-desktop")
+		log.Println("已关闭开机启动")
+	}
+}
+
 func isSystemLightTheme() bool {
 	k, err := registry.OpenKey(registry.CURRENT_USER, `Software\Microsoft\Windows\CurrentVersion\Themes\Personalize`, registry.QUERY_VALUE)
 	if err != nil {
@@ -49,6 +83,25 @@ var themeNames = []struct {
 	{ThemeText, "文字"},
 }

+func refreshVisibleCards(cfg, oldCfg *Config) {
+	if oldCfg.HideWeather && !cfg.HideWeather {
+		go fetchAndPushWeather(getCurrentCity())
+	}
+	if oldCfg.HideZodiac && !cfg.HideZodiac {
+		triggerHoroscopeRefresh(cfg.Zodiac)
+	}
+	if oldCfg.HideKnowledge && !cfg.HideKnowledge {
+		if cfg.KnowledgeKeyword != "" {
+			triggerKnowledgeRefresh()
+		} else {
+			pushKnowledgePlaceholder()
+		}
+	}
+	if oldCfg.HideAINews && !cfg.HideAINews {
+		triggerAINewsRefresh()
+	}
+}
+
 func openSettingsWindow() {
 	settingsMu.Lock()
 	if settingsOpen && settingsHwnd != 0 {
@@ -141,6 +194,8 @@ func openSettingsWindow() {
 				"photoDir":         cfg.PhotoDir,
 				"photoInterval":    cfg.PhotoInterval,
 				"photoCard":        !cfg.HidePhoto,
+				"photoFrameMode":  cfg.PhotoFrameMode,
+				"autoStart":        isAutoStartEnabled(),
 			})
 			return string(data)
 		})
@@ -151,6 +206,7 @@ func openSettingsWindow() {
 				return ""
 			}
 			cfg := loadConfig()
+			oldCfg := *cfg
 			if v, ok := data["wallpaper"]; ok {
 				cfg.HideWallpaper = !v
 				evalJS(fmt.Sprintf("if(window.setWallpaperVisible) setWallpaperVisible(%v)", v))
@@ -179,9 +235,30 @@ func openSettingsWindow() {
 				cfg.ShowSeconds = v
 				evalJS(fmt.Sprintf("if(window.setShowSeconds) setShowSeconds(%v)", v))
 			}
+			if v, ok := data["autoStart"]; ok {
+				setAutoStart(v)
+			}
+			if v, ok := data["photoFrameMode"]; ok {
+				cfg.PhotoFrameMode = v
+				evalJS(fmt.Sprintf("if(window.setPhotoFrameMode) setPhotoFrameMode(%v)", v))
+				if v {
+					cfg.HideWallpaper = true
+					cfg.HideTime = true
+					cfg.HideWeather = true
+					cfg.HideZodiac = true
+					cfg.HideAINews = true
+					cfg.HideKnowledge = true
+					evalJS(`if(window.setWallpaperVisible) setWallpaperVisible(false)`)
+					for _, card := range []string{"time", "weather", "zodiac", "ainews", "knowledge"} {
+						evalJS(fmt.Sprintf("if(window.setCardVisible) setCardVisible('%s',false)", card))
+					}
+				}
+			}
 			if v, ok := data["photoCard"]; ok {
 				cfg.HidePhoto = !v
+				saveConfig(cfg)
 				evalJS(fmt.Sprintf("if(window.setCardVisible) setCardVisible('photo',%v)", v))
+				refreshVisibleCards(cfg, &oldCfg)
 				if cfg.PhotoDir != "" {
 					if v {
 						restartPhotoLoop()
@@ -189,8 +266,10 @@ func openSettingsWindow() {
 						stopPhotoLoop()
 					}
 				}
-			}
+			} else {
 				saveConfig(cfg)
+				refreshVisibleCards(cfg, &oldCfg)
+			}
 			return ""
 		})

@@ -416,8 +495,8 @@ func openSettingsWindow() {

 		hwnd := uintptr(w.Window())
 		// disable resize
-		style, _, _ := procGetWindowLongPtrW.Call(hwnd, uintptr(0xFFFFFFF0))
-		procSetWindowLongPtrW.Call(hwnd, uintptr(0xFFFFFFF0), style & ^uintptr(0x00040000|0x00010000))
+		style, _, _ := procGetWindowLongPtrW.Call(hwnd, gwlStyle)
+		procSetWindowLongPtrW.Call(hwnd, gwlStyle, style & ^uintptr(wsSizebox|wsMaxbox))

 		// resizeToFit: JS measures content, Go adjusts window frame
 		w.Bind("resizeToFit", func(contentW, contentH int) string {
--- a/systray.go
+++ b/systray.go
@@ -1,7 +1,6 @@
 package main

 import (
-	"fmt"
 	"log"
 	"os"
 	"os/exec"
@@ -16,7 +15,7 @@ import (
 )

 func onSystrayReady() {
-	systray.SetIcon(generateIcon())
+	systray.SetIcon(trayIcon)
 	systray.SetTooltip("动态壁纸引擎")

 	mSettings := systray.AddMenuItem("桌面设置", "打开设置窗口")
@@ -58,15 +57,20 @@ func onSystrayReady() {

 func startWebView() {
 	runtime.LockOSThread()
+	log.Println("startWebView: 开始")

 	workerw := findWorkerW()
 	if workerw == 0 {
-		log.Fatal("WorkerW not found")
+		log.Println("ERROR: WorkerW not found")
+		showError("无法找到桌面窗口（WorkerW），程序无法启动。")
+		os.Exit(1)
 	}
+	log.Printf("WorkerW: 0x%x", workerw)

 	screenW, screenH := getScreenSize()
 	log.Printf("Screen: %dx%d", screenW, screenH)

+	log.Println("创建 WebView2...")
 	wv = webview2.NewWithOptions(webview2.WebViewOptions{
 		AutoFocus: false,
 		WindowOptions: webview2.WindowOptions{
@@ -76,8 +80,20 @@ func startWebView() {
 		},
 	})
 	if wv == nil {
-		log.Fatal("WebView2 create failed")
+		showError("WebView2 创建失败，请确保已安装 WebView2 Runtime。")
+		os.Exit(1)
 	}
+	log.Println("WebView2 创建成功")
+
+	// 立即获取 HWND 并隐藏窗口，避免闪烁
+	wvHwnd = uintptr(wv.Window())
+	procShowWindow.Call(wvHwnd, 0) // SW_HIDE
+	procSetWindowLongPtrW.Call(wvHwnd, gwlStyle, wsPopup|wsVisible|wsChild)
+
+	// 立即嵌入 WorkerW
+	procSetParent.Call(wvHwnd, workerw)
+	procMoveWindow.Call(wvHwnd, uintptr(^uint(0)), uintptr(^uint(0)), uintptr(screenW+2), uintptr(screenH+2), 1)
+	log.Printf("已嵌入 WorkerW: HWND=0x%x, %dx%d", wvHwnd, screenW, screenH)

 	wv.Bind("setZodiacFromGo", func(zodiac string) error {
 		cfg := loadConfig()
@@ -85,33 +101,22 @@ func startWebView() {
 		return saveConfig(cfg)
 	})

-	wv.SetHtml(buildWallpaperHTML(loadConfig()))
-	time.Sleep(1 * time.Second)
+	log.Println("设置 HTML...")
+	cfg := loadConfig()
+	wv.SetHtml(buildWallpaperHTML(cfg))
+	time.Sleep(500 * time.Millisecond)

-	wvHwnd = uintptr(wv.Window())
-	procSetWindowLongPtrW.Call(wvHwnd, uintptr(0xFFFFFFF0), uintptr(0x80000000|0x10000000|0x02000000))
+	// 嵌入完成后再显示
 	procShowWindow.Call(wvHwnd, 5)
-	procMoveWindow.Call(wvHwnd, uintptr(^uint(0)), uintptr(^uint(0)), uintptr(screenW+2), uintptr(screenH+2), 1)
-	log.Printf("壁纸已嵌入: HWND=0x%x, %dx%d", wvHwnd, screenW, screenH)
+	log.Println("壁纸窗口已显示")

 	go func() {
 		time.Sleep(500 * time.Millisecond)
-		cfg := loadConfig()
-		evalJS(fmt.Sprintf(`window.userZodiac = %q;`, cfg.Zodiac))
+		reloadAllCards()
 	}()

 	go fullscreenMonitor()

-	go func() {
-		time.Sleep(3 * time.Second)
-		workerw := findWorkerW()
-		if workerw != 0 {
-			oldParent, _, _ := procSetParent.Call(wvHwnd, workerw)
-			log.Printf("SetParent: 0x%x -> 0x%x (old=0x%x)", wvHwnd, workerw, oldParent)
-			procMoveWindow.Call(wvHwnd, uintptr(^uint(0)), uintptr(^uint(0)), uintptr(screenW+2), uintptr(screenH+2), 1)
-		}
-	}()
-
 	type msg struct {
 		hwnd    uintptr
 		message uint32
@@ -147,7 +152,7 @@ func startWebView() {
 			}
 			goto nextMsg
 		}
-nextMsg:
+	nextMsg:
 		procTranslateMessage.Call(uintptr(unsafe.Pointer(&m)))
 		procDispatchMessageW.Call(uintptr(unsafe.Pointer(&m)))
 	}
--- a/wallpaper.go
+++ b/wallpaper.go
@@ -3,6 +3,7 @@ package main
 import (
 	_ "embed"
 	"encoding/base64"
+	"encoding/json"
 	"fmt"
 	"log"
 	"os"
@@ -44,35 +45,14 @@ var themeMap = map[ThemeName]string{
 func buildWallpaperHTML(cfg *Config) string {
 	var bg string

-	switch cfg.WallpaperType {
-	case WPTheme:
+	if cfg.WallpaperType == WPTheme {
 		if t, ok := themeMap[cfg.Theme]; ok {
 			bg = t
 		} else {
 			bg = themeAurora
 		}
-	case WPImage:
-		if cfg.ImagePath != "" {
-			src := imageToDataURI(cfg.ImagePath)
-			if src != "" {
-				bg = fmt.Sprintf(`<img src="%s" style="position:fixed;top:0;left:0;width:100%%;height:100%%;object-fit:cover;z-index:1;">`, src)
-			}
-		}
-	case WPBing:
-		if p := getCurrentBingPath(); p != "" {
-			if _, err := os.Stat(p); err == nil {
-				src := imageToDataURI(p)
-				if src != "" {
-					bg = fmt.Sprintf(`<img src="%s" style="position:fixed;top:0;left:0;width:100%%;height:100%%;object-fit:cover;z-index:1;">`, src)
-				}
-			}
-		}
-	case WPColor:
-		if cfg.ColorGradient && cfg.Color2 != "" {
-			bg = fmt.Sprintf(`<div style="position:fixed;top:0;left:0;width:100%%;height:100%%;z-index:1;background:linear-gradient(135deg,%s,%s);"></div>`, cfg.Color1, cfg.Color2)
 	} else {
-			bg = fmt.Sprintf(`<div style="position:fixed;top:0;left:0;width:100%%;height:100%%;z-index:1;background:%s;"></div>`, cfg.Color1)
-		}
+		bg = buildBgHTML(cfg)
 	}

 	if bg == "" {
@@ -109,6 +89,9 @@ func buildWallpaperHTML(cfg *Config) string {
 	if cfg.HidePhoto {
 		bodyClasses = append(bodyClasses, "hide-photo")
 	}
+	if cfg.PhotoFrameMode && cfg.PhotoDir != "" {
+		bodyClasses = append(bodyClasses, "photo-frame-mode")
+	}
 	if len(bodyClasses) > 0 {
 		cls := strings.Join(bodyClasses, " ")
 		html = strings.Replace(html, "{{BODY_CLASSES}}", cls, 1)
@@ -118,9 +101,8 @@ func buildWallpaperHTML(cfg *Config) string {

 	// 注入自定义文字
 	if cfg.WallpaperType == WPTheme && cfg.Theme == ThemeText && cfg.WallpaperText != "" {
-		escaped := strings.ReplaceAll(cfg.WallpaperText, `\`, `\\`)
-		escaped = strings.ReplaceAll(escaped, `"`, `\"`)
-		html = strings.Replace(html, "</script>", `window.wallpaperText = "`+escaped+`";</script>`, 1)
+		escaped, _ := json.Marshal(cfg.WallpaperText)
+		html = strings.Replace(html, "</script>", `window.wallpaperText = `+string(escaped)+`;</script>`, 1)
 	}

 	return html
@@ -152,21 +134,95 @@ func reloadWallpaper() {
 		return
 	}
 	cfg := loadConfig()
+
+	// 非主题壁纸切换：仅替换 #bg-layer，不销毁卡片状态
+	if cfg.WallpaperType != WPTheme {
+		updateBackground(cfg)
+		return
+	}
+
+	// 主题切换需要 SetHtml（canvas+script），之后恢复卡片数据
 	html := buildWallpaperHTML(cfg)
 	select {
 	case htmlQueue <- html:
 	default:
 	}
 	procPostMessageW.Call(wvHwnd, wmSetHtml, 0, 0)
-	go func() {
-		time.Sleep(1 * time.Second)
-		evalJS(fmt.Sprintf(`window.userZodiac = %q;`, cfg.Zodiac))
-		if cfg.Theme == ThemeText && cfg.WallpaperText != "" {
-			evalJS(fmt.Sprintf(`window.wallpaperText = %q; var el=document.getElementById("wallpaper-text"); if(el){el.textContent=%q;}`, cfg.WallpaperText, cfg.WallpaperText))
+	go reloadAllCards()
+}
+
+func buildBgHTML(cfg *Config) string {
+	switch cfg.WallpaperType {
+	case WPImage:
+		if cfg.ImagePath != "" {
+			src := imageToDataURI(cfg.ImagePath)
+			if src != "" {
+				return buildCoverImgHTML(src)
 			}
-		city := getCurrentCity()
+		}
+	case WPBing:
+		if p := getCurrentBingPath(); p != "" {
+			if _, err := os.Stat(p); err == nil {
+				src := imageToDataURI(p)
+				if src != "" {
+					return buildCoverImgHTML(src)
+				}
+			}
+		}
+	case WPColor:
+		if cfg.ColorGradient && cfg.Color2 != "" {
+			return fmt.Sprintf(`<div style="position:fixed;top:0;left:0;width:100%%;height:100%%;z-index:1;background:linear-gradient(135deg,%s,%s);"></div>`, cfg.Color1, cfg.Color2)
+		}
+		return fmt.Sprintf(`<div style="position:fixed;top:0;left:0;width:100%%;height:100%%;z-index:1;background:%s;"></div>`, cfg.Color1)
+	}
+	return ""
+}
+
+const coverImgTpl = `<img src="%s" style="position:fixed;top:0;left:0;width:100%%;height:100%%;object-fit:cover;z-index:1;">`
+
+func buildCoverImgHTML(src string) string {
+	return fmt.Sprintf(coverImgTpl, src)
+}
+
+func updateBackground(cfg *Config) {
+	bg := buildBgHTML(cfg)
+	if bg == "" {
+		return
+	}
+	display := ""
+	if cfg.HideWallpaper {
+		display = ` style="display:none"`
+	}
+	html := fmt.Sprintf(`<div id="bg-layer"%s>%s</div>`, display, bg)
+	evalJS(fmt.Sprintf(`var el=document.getElementById('bg-layer'); if(el){el.outerHTML=%q;}`, html))
+}
+
+func reloadAllCards() {
+	time.Sleep(800 * time.Millisecond)
+
+	evalJS(fmt.Sprintf(`window.userZodiac = %q;`, loadConfig().Zodiac))
+
+	if cached := loadHoroscopeCache(); cached != nil {
+		pushHoroscopeInfo(cached)
+	}
+	if cached := loadAINewsCache(); cached != nil {
+		pushAINews(cached)
+	}
+	cfg := loadConfig()
+	if cfg.KnowledgeKeyword != "" && !cfg.HideKnowledge {
+		if cached := getRandomKnowledgeCard(cfg.KnowledgeKeyword); cached != "" {
+			pushKnowledgeJSON(cached, cfg.KnowledgeKeyword)
+		}
+	}
+	if city := getCurrentCity(); city.ID != "" {
 		go fetchAndPushWeather(city)
+	}
+	if cfg.PhotoDir != "" && !cfg.HidePhoto {
+		go func() {
+			time.Sleep(500 * time.Millisecond)
+			pushCurrentPhoto(cfg.PhotoInterval)
 		}()
+	}
 }

 func bingReloadImage() {
--- a/weather.go
+++ b/weather.go
@@ -8,11 +8,10 @@ import (
 	"net/http"
 	"regexp"
 	"strings"
-"sync"
+	"sync"
 	"time"
 )

-const qweatherKey = "3b67b65a53c04170b602d2d1a7e6096f"
 const qweatherHost = "https://pb4nmv4qnu.re.qweatherapi.com"

 type City struct {
@@ -84,14 +83,18 @@ func getLocation() City {
 	return defaultCity
 }

+var (
+	reIPIP    = regexp.MustCompile(`来自于[：:]\s*(.+?)\s*$`)
+	reIPAddr  = regexp.MustCompile(`(\d+\.\d+\.\d+\.\d+)`)
+)
+
 func locateByIPIP() *City {
 	data, err := httpGet("https://myip.ipip.net")
 	if err != nil {
 		return nil
 	}
 	text := string(data)
-	re := regexp.MustCompile(`来自于[：:]\s*(.+?)\s*$`)
-	m := re.FindStringSubmatch(text)
+	m := reIPIP.FindStringSubmatch(text)
 	if m == nil {
 		return nil
 	}
@@ -114,8 +117,7 @@ func locateByIPIP() *City {
 func locateByGeoAPI() *City {
 	data, err := httpGet("https://myip.ipip.net")
 	if err == nil {
-		re := regexp.MustCompile(`(\d+\.\d+\.\d+\.\d+)`)
-		if m := re.FindStringSubmatch(string(data)); m != nil {
+		if m := reIPAddr.FindStringSubmatch(string(data)); m != nil {
 			return geoLookup(m[1])
 		}
 	}
@@ -123,7 +125,12 @@ func locateByGeoAPI() *City {
 }

 func geoLookup(ip string) *City {
-	url := fmt.Sprintf(qweatherHost+"/v2/city/lookup?location=%s&key=%s", ip, qweatherKey)
+	key := loadConfig().qweatherKey()
+	if key == "" {
+		log.Println("未配置和风天气 API Key")
+		return nil
+	}
+	url := fmt.Sprintf(qweatherHost+"/v2/city/lookup?location=%s&key=%s", ip, key)
 	data, err := httpGet(url)
 	if err != nil {
 		return nil
@@ -239,7 +246,12 @@ func fetchAndPushWeather(city City) {
 }

 func fetchCurrentWeather(cityID string) *currentWeather {
-	url := fmt.Sprintf(qweatherHost+"/v7/weather/now?location=%s&key=%s", cityID, qweatherKey)
+	key := loadConfig().qweatherKey()
+	if key == "" {
+		log.Println("未配置和风天气 API Key")
+		return nil
+	}
+	url := fmt.Sprintf(qweatherHost+"/v7/weather/now?location=%s&key=%s", cityID, key)
 	data, err := httpGet(url)
 	if err != nil {
 		return nil
@@ -258,7 +270,11 @@ func fetchCurrentWeather(cityID string) *currentWeather {
 }

 func fetchHourlyForecast(cityID string) []hourlyItem {
-	url := fmt.Sprintf(qweatherHost+"/v7/weather/24h?location=%s&key=%s", cityID, qweatherKey)
+	key := loadConfig().qweatherKey()
+	if key == "" {
+		return nil
+	}
+	url := fmt.Sprintf(qweatherHost+"/v7/weather/24h?location=%s&key=%s", cityID, key)
 	data, err := httpGet(url)
 	if err != nil {
 		return nil
@@ -293,7 +309,11 @@ func fetchHourlyForecast(cityID string) []hourlyItem {
 }

 func fetchDailyForecast(cityID string) []dailyItem {
-	url := fmt.Sprintf(qweatherHost+"/v7/weather/7d?location=%s&key=%s", cityID, qweatherKey)
+	key := loadConfig().qweatherKey()
+	if key == "" {
+		return nil
+	}
+	url := fmt.Sprintf(qweatherHost+"/v7/weather/7d?location=%s&key=%s", cityID, key)
 	data, err := httpGet(url)
 	if err != nil {
 		return nil
--- a/web/overlay.html
+++ b/web/overlay.html
@@ -10,28 +10,69 @@ html, body {
  height: 100%;
  overflow: hidden;
  background: #000;
-  font-family: "Microsoft YaHei", sans-serif;
+  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  color: #fff;
+  font-variant-numeric: tabular-nums;
+}
+:root {
+  --card-bg: rgba(22, 19, 28, 0.56);
+  --card-bg-strong: rgba(24, 20, 30, 0.68);
+  --card-line: rgba(255,255,255,0.10);
+  --card-line-soft: rgba(255,255,255,0.06);
+  --text-main: rgba(255,255,255,0.92);
+  --text-soft: rgba(255,255,255,0.66);
+  --text-faint: rgba(255,255,255,0.42);
+  --accent-warm: #ffd86b;
+  --accent-cool: #6bdcff;
+  --shadow-card: 0 18px 60px rgba(0,0,0,0.32), inset 0 1px 0 rgba(255,255,255,0.10);
+  --layout-x: 48px;
+  --layout-top: 38px;
+  --layout-bottom: 72px;
+  --layout-gap: 18px;
+  --layout-col-gap: 24px;
+  --right-panel: 400px;
+  --knowledge-panel: 460px;
+  --time-panel-h: 154px;
+  --zodiac-panel-h: 326px;
+  --photo-panel-h: 360px;
 }

 /* ===== 公共卡片样式 ===== */
 .card {
-  background: rgba(0, 0, 0, 0.25);
-  backdrop-filter: blur(24px);
-  -webkit-backdrop-filter: blur(24px);
-  border-radius: 20px;
-  padding: 24px 28px;
-  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 0 0 1px rgba(255,255,255,0.08);
+  position: relative;
+  box-sizing: border-box;
+  overflow: hidden;
+  background: linear-gradient(145deg, rgba(255,255,255,0.075), rgba(255,255,255,0.025)), var(--card-bg);
+  backdrop-filter: blur(28px) saturate(1.2);
+  -webkit-backdrop-filter: blur(28px) saturate(1.2);
+  border: 1px solid var(--card-line);
+  border-radius: 8px;
+  padding: 22px 24px;
+  box-shadow: var(--shadow-card);
+}
+.card::before {
+  content: "";
+  position: absolute;
+  inset: 0;
+  pointer-events: none;
+  border-radius: inherit;
+  background:
+    linear-gradient(90deg, rgba(255,255,255,0.13), transparent 34%),
+    radial-gradient(circle at 12% 0%, rgba(255,216,107,0.13), transparent 38%);
+  opacity: 0.55;
+}
+.card > * {
+  position: relative;
 }

 .time {
-  font-size: 72px;
+  font-size: 66px;
  font-weight: 200;
-  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
-  letter-spacing: -2px;
+  text-shadow: 0 3px 28px rgba(0,0,0,0.42);
+  letter-spacing: 0;
  line-height: 1;
  font-variant-numeric: tabular-nums;
-  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
+  color: rgba(255,255,255,0.96);
 }
@keyframes hourlyGlow {
  0%   { text-shadow: 0 0 30px rgba(255,255,255,1), 0 0 80px rgba(180,200,255,0.8), 0 0 120px rgba(100,150,255,0.5); color: #fff; }
@@ -48,147 +89,155 @@ html, body {
  animation: hourlyGlow 6s ease-out forwards;
 }
 .date {
-  font-size: 14px;
-  color: rgba(255,255,255,0.7);
-  margin-bottom: 6px;
+  font-size: 13px;
+  color: var(--text-soft);
+  margin-bottom: 8px;
  text-shadow: 0 1px 6px rgba(0,0,0,0.5);
-  letter-spacing: 0.5px;
+  letter-spacing: 0;
 }

 .current-weather {
-  font-size: 16px;
-  font-weight: 500;
-  color: rgba(255,255,255,0.95);
+  font-size: 17px;
+  font-weight: 600;
+  color: var(--text-main);
  text-shadow: 0 1px 4px rgba(0,0,0,0.5);
-  margin-bottom: 14px;
+  margin-bottom: 16px;
+  text-align: right;
 }
 .forecast-title {
  font-size: 11px;
-  font-weight: 500;
-  color: rgba(255,255,255,0.45);
-  letter-spacing: 1px;
-  margin-bottom: 8px;
+  font-weight: 600;
+  color: var(--text-faint);
+  letter-spacing: 0;
+  margin-bottom: 9px;
+  text-align: right;
 }
 .weather-forecast {
-  display: flex;
-  gap: 6px;
-  overflow-x: auto;
-  padding-bottom: 6px;
-  justify-content: flex-end;
+  display: grid;
+  grid-template-columns: repeat(8, minmax(60px, 1fr));
+  gap: 7px;
+  overflow: hidden;
+  padding-bottom: 0;
 }
 .forecast-item {
-  background: rgba(255,255,255,0.06);
-  border-radius: 10px;
-  padding: 10px 12px;
+  background: rgba(255,255,255,0.055);
+  border-radius: 8px;
+  padding: 9px 8px;
  text-align: center;
-  min-width: 58px;
+  min-width: 0;
  font-size: 12px;
-  color: rgba(255,255,255,0.85);
-  border: 1px solid rgba(255,255,255,0.04);
+  color: var(--text-main);
+  border: 1px solid var(--card-line-soft);
 }
-.forecast-icon { font-size: 20px; margin: 4px 0; }
-.forecast-time { opacity: 0.6; font-size: 10px; }
-.forecast-temp { font-weight: 600; margin-top: 2px; font-size: 13px; }
-.forecast-pop { font-size: 10px; opacity: 0.6; margin-top: 1px; }
+.forecast-icon { font-size: 22px; margin: 5px 0; }
+.forecast-time { color: var(--text-faint); font-size: 10px; }
+.forecast-temp { font-weight: 700; margin-top: 2px; font-size: 14px; }
+.forecast-pop { font-size: 10px; color: var(--text-faint); margin-top: 2px; }
 .daily-forecast {
-  display: flex;
-  gap: 6px;
-  overflow-x: auto;
-  padding-bottom: 6px;
-  justify-content: flex-end;
+  display: grid;
+  grid-template-columns: repeat(7, minmax(64px, 1fr));
+  gap: 7px;
+  overflow: hidden;
+  padding-bottom: 0;
 }
 .daily-item {
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
-  padding: 8px 10px;
+  padding: 9px 8px;
  text-align: center;
-  min-width: 54px;
+  min-width: 0;
  font-size: 12px;
-  color: rgba(255,255,255,0.85);
-  border: 1px solid rgba(255,255,255,0.03);
+  color: var(--text-main);
+  border: 1px solid var(--card-line-soft);
 }
-.daily-icon { font-size: 20px; margin: 3px 0; }
+.daily-icon { font-size: 22px; margin: 5px 0; }

 .zodiac-text {
  font-size: 14px;
-  color: rgba(255,255,255,0.9);
+  color: var(--text-main);
  line-height: 1.6;
  text-shadow: 0 1px 4px rgba(0,0,0,0.5);
 }
 .zodiac-title {
-  font-size: 15px;
-  font-weight: 500;
-  margin-bottom: 2px;
+  font-size: 16px;
+  font-weight: 650;
+  margin-bottom: 3px;
 }
 .zodiac-date {
  font-size: 11px;
-  opacity: 0.4;
-  margin-bottom: 14px;
+  color: var(--text-faint);
+  margin-bottom: 12px;
 }
 .zodiac-bar {
  display: flex;
  align-items: center;
-  gap: 8px;
+  gap: 10px;
  margin-bottom: 7px;
  font-size: 12px;
 }
 .zodiac-bar-label {
  width: 28px;
-  opacity: 0.55;
+  color: var(--text-soft);
  flex-shrink: 0;
 }
 .zodiac-bar-track {
  flex: 1;
-  height: 4px;
-  background: rgba(255,255,255,0.08);
-  border-radius: 2px;
+  height: 5px;
+  background: rgba(255,255,255,0.10);
+  border-radius: 999px;
  overflow: hidden;
 }
 .zodiac-bar-fill {
  height: 100%;
-  border-radius: 2px;
+  border-radius: 999px;
  transition: width 0.6s ease;
 }
 .zodiac-bar-val {
  width: 30px;
  text-align: right;
  font-size: 11px;
-  opacity: 0.7;
+  color: var(--text-soft);
  flex-shrink: 0;
 }
 .zodiac-tags {
  display: flex;
-  gap: 6px;
+  gap: 7px;
  flex-wrap: wrap;
-  margin: 12px 0;
+  margin: 10px 0 9px;
 }
 .zodiac-tag {
  font-size: 10px;
-  background: rgba(255,255,255,0.06);
-  padding: 2px 8px;
-  border-radius: 5px;
-  opacity: 0.6;
+  background: rgba(255,255,255,0.08);
+  padding: 4px 8px;
+  border-radius: 6px;
+  color: var(--text-soft);
+  border: 1px solid rgba(255,255,255,0.05);
 }
 .zodiac-summary {
  font-size: 12px;
-  opacity: 0.6;
-  line-height: 1.7;
+  color: var(--text-soft);
+  line-height: 1.65;
+  display: -webkit-box;
+  -webkit-line-clamp: 3;
+  -webkit-box-orient: vertical;
+  overflow: hidden;
 }

 /* ===== AI 资讯 ===== */
 .ainews-header {
  font-size: 11px;
-  font-weight: 500;
-  color: rgba(255,255,255,0.45);
-  letter-spacing: 1px;
-  margin-bottom: 10px;
+  font-weight: 700;
+  color: var(--text-faint);
+  letter-spacing: 0;
+  margin-bottom: 14px;
 }
 .ainews-item {
  display: flex;
-  gap: 12px;
-  margin-bottom: 10px;
-  padding-bottom: 10px;
-  border-bottom: 1px solid rgba(255,255,255,0.06);
+  gap: 14px;
+  margin-bottom: 12px;
+  padding-bottom: 12px;
+  border-bottom: 1px solid var(--card-line-soft);
+  min-height: 58px;
 }
 .ainews-item:last-child {
  margin-bottom: 0;
@@ -196,12 +245,13 @@ html, body {
  border-bottom: none;
 }
 .ainews-img {
-  width: 80px;
-  height: 54px;
+  width: 92px;
+  height: 58px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
-  opacity: 0.85;
+  opacity: 0.92;
+  box-shadow: 0 8px 22px rgba(0,0,0,0.22);
 }
 .ainews-body {
  flex: 1;
@@ -210,11 +260,12 @@ html, body {
 .ainews-title-row {
  display: flex;
  align-items: baseline;
-  gap: 6px;
+  gap: 10px;
 }
 .ainews-title {
-  font-size: 13px;
-  color: rgba(255,255,255,0.9);
+  font-size: 14px;
+  font-weight: 650;
+  color: var(--text-main);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
@@ -224,48 +275,70 @@ html, body {
 }
 .ainews-source {
  font-size: 10px;
-  opacity: 0.4;
+  color: var(--text-faint);
  flex-shrink: 0;
 }
 .ainews-desc {
-  font-size: 11px;
-  opacity: 0.5;
+  font-size: 12px;
+  color: var(--text-soft);
  line-height: 1.5;
-  margin-top: 4px;
+  margin-top: 5px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
 }

+@media (max-width: 1500px) {
+  :root {
+    --layout-x: 32px;
+    --layout-col-gap: 18px;
+    --right-panel: 360px;
+    --knowledge-panel: 380px;
+    --time-panel-h: 144px;
+    --zodiac-panel-h: 312px;
+    --photo-panel-h: 320px;
+  }
+  .time {
+    font-size: 64px;
+  }
+  .weather-forecast {
+    grid-template-columns: repeat(4, 1fr);
+  }
+  .daily-forecast {
+    grid-template-columns: repeat(4, 1fr);
+  }
+}
+
 /* ===== 知识卡片 ===== */
 .knowledge-header {
  font-size: 11px;
-  color: rgba(255,255,255,0.45);
-  margin-bottom: 8px;
+  color: var(--text-faint);
+  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
-  letter-spacing: 0.5px;
+  letter-spacing: 0;
+  font-weight: 700;
 }
 .knowledge-keyword-tag {
-  background: rgba(255,255,255,0.08);
-  padding: 1px 8px;
-  border-radius: 4px;
+  background: rgba(255,255,255,0.09);
+  padding: 3px 8px;
+  border-radius: 6px;
  font-size: 10px;
-  color: rgba(255,255,255,0.6);
+  color: var(--text-soft);
 }
 .knowledge-content {
-  font-size: 14px;
-  color: rgba(255,255,255,0.9);
-  line-height: 1.7;
+  font-size: 16px;
+  color: var(--text-main);
+  line-height: 1.55;
  text-shadow: 0 1px 4px rgba(0,0,0,0.5);
 }

 .divider {
  height: 1px;
-  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
-  margin: 16px 0;
+  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.14), transparent);
+  margin: 18px 0;
 }

 #author {
@@ -273,8 +346,8 @@ html, body {
  bottom: 60px;
  right: 30px;
  font-size: 16px;
-  color: rgba(255,255,255,0.5);
-  letter-spacing: 1px;
+  color: rgba(255,255,255,0.42);
+  letter-spacing: 0;
  z-index: 10;
  pointer-events: none;
 }
@@ -288,10 +361,11 @@ body.layout-single #layout-multi { display: none; }

 body.layout-single #info {
  position: fixed;
-  top: 40px;
-  right: 40px;
+  top: 42px;
+  right: 42px;
  text-align: left;
-  width: calc(50vw - 60px);
+  width: min(760px, calc(50vw - 52px));
+  max-height: calc(100vh - 84px);
  z-index: 10;
 }
 body.layout-single #info .date {
@@ -300,57 +374,80 @@ body.layout-single #info .date {

 /* ===== MULTI 布局（独立卡片） ===== */
 body.layout-multi #layout-single { display: none; }
-body.layout-multi #layout-multi { display: block; }
+body.layout-multi #layout-multi {
+  position: fixed;
+  inset: var(--layout-top) var(--layout-x) var(--layout-bottom);
+  z-index: 10;
+  display: grid;
+  grid-template-columns: minmax(420px, 1fr) minmax(360px, var(--knowledge-panel)) var(--right-panel);
+  grid-template-rows: var(--time-panel-h) var(--layout-gap) var(--zodiac-panel-h) minmax(32px, 1fr) auto;
+  grid-template-areas:
+    "photo knowledge time"
+    "photo knowledge ."
+    "photo knowledge zodiac"
+    ". . ."
+    "news weather weather";
+  column-gap: var(--layout-col-gap);
+  row-gap: 0;
+  pointer-events: none;
+}
+body.layout-multi #layout-multi > .card {
+  pointer-events: none;
+}

 body.layout-multi #card-time {
-  position: fixed;
-  top: 40px;
-  right: 40px;
+  grid-area: time;
  text-align: left;
-  min-width: 280px;
-  z-index: 10;
+  width: 100%;
+  height: 100%;
+  padding: 22px 30px;
 }
 body.layout-multi #card-zodiac {
-  position: fixed;
-  top: 160px;
-  right: 40px;
-  width: 280px;
-  z-index: 10;
+  grid-area: zodiac;
+  width: 100%;
+  height: 100%;
+  padding: 22px 28px;
+}
+body.layout-multi #card-knowledge {
+  grid-area: knowledge;
+  align-self: stretch;
+  width: 100%;
+  min-height: 0;
+  padding: 22px 26px;
+}
+body.layout-multi #card-knowledge .knowledge-content {
+  display: -webkit-box;
+  -webkit-line-clamp: 8;
+  -webkit-box-orient: vertical;
+  overflow: hidden;
 }
 body.layout-multi #card-ainews {
-  position: fixed;
-  bottom: 40px;
-  left: 40px;
-  width: calc(50vw - 80px);
-  z-index: 10;
+  grid-area: news;
+  align-self: end;
+  width: 100%;
+  max-height: 390px;
 }
-body.layout-multi #card-bottom {
-  position: fixed;
-  bottom: 40px;
-  right: 40px;
-  width: calc(50vw - 60px);
-  display: flex;
-  gap: 20px;
-  align-items: flex-end;
-  z-index: 10;
-}
-body.layout-multi #card-right-col {
-  display: flex;
-  flex-direction: column;
-  gap: 20px;
-  flex: 1;
+body.layout-multi #card-weather {
+  grid-area: weather;
+  align-self: end;
+  width: 100%;
  min-width: 0;
-}
-body.layout-multi #card-right-col #card-knowledge {
-  text-align: left;
-}
-body.layout-multi #card-right-col #card-ainews {
-  text-align: left;
-}
-body.layout-multi #card-bottom #card-weather {
  text-align: right;
+  padding: 22px 28px 24px;
+}
+body.layout-multi #card-photo {
+  grid-area: photo;
+  position: relative;
+  top: auto;
+  left: auto;
+  align-self: start;
+  width: 100%;
+  max-height: var(--photo-panel-h);
+  padding: 16px;
+}
+body.layout-multi #card-photo img {
+  max-height: calc(var(--photo-panel-h) - 32px);
 }
-
 /* ===== 卡片隐藏 ===== */
 body.hide-time #card-time,
 body.hide-time #info .time,
@@ -372,15 +469,16 @@ body.hide-photo #card-photo { display: none !important; }
 /* ===== 相册 ===== */
 #card-photo {
  position: fixed;
-  top: 40px;
-  left: 40px;
-  width: calc(50vw - 80px);
+  top: 44px;
+  left: 48px;
+  width: min(860px, calc(50vw - 72px));
+  box-sizing: border-box;
  z-index: 10;
  padding: 16px;
 }
 .photo-wrap {
  position: relative;
-  border-radius: 12px;
+  border-radius: 8px;
  overflow: hidden;
 }
 #card-photo img {
@@ -388,7 +486,7 @@ body.hide-photo #card-photo { display: none !important; }
  max-height: 450px;
  object-fit: cover;
  display: block;
-  border-radius: 12px;
+  border-radius: 8px;
  transition: opacity 0.5s ease;
 }
 .photo-info {
@@ -417,6 +515,58 @@ body.hide-photo #card-photo { display: none !important; }
  background: rgba(255,255,255,0.6);
  border-radius: 2px;
 }
+
+/* ===== 电子相册模式 ===== */
+body.photo-frame-mode #bg-layer { display: none !important; }
+body.photo-frame-mode #card-photo { display: none !important; }
+body.photo-frame-mode #layout-multi { display: none !important; }
+body.photo-frame-mode #layout-single { display: none !important; }
+body.photo-frame-mode #author { display: none !important; }
+#photo-frame-bg {
+  display: none;
+  position: fixed;
+  top: 0; left: 0;
+  width: 100%; height: 100%;
+  z-index: 4;
+  object-fit: cover;
+  filter: blur(30px) brightness(0.5);
+  transform: scale(1.1);
+  transition: opacity 0.8s ease;
+}
+#photo-frame-img {
+  display: none;
+  position: fixed;
+  top: 0; left: 0;
+  width: 100%; height: 100%;
+  z-index: 5;
+  object-fit: contain;
+  transition: opacity 0.8s ease;
+}
+body.photo-frame-mode #photo-frame-bg { display: block; }
+body.photo-frame-mode #photo-frame-img { display: block; }
+/* 相册时钟叠加层 */
+.photo-frame-clock {
+  position: fixed; top: 28px; right: 36px; z-index: 10;
+  font-family: -apple-system, "SF Pro Display", "Segoe UI", sans-serif;
+  font-size: 52px; font-weight: 200; letter-spacing: 2px;
+  color: #fff;
+  text-shadow: 0 0 20px rgba(0,0,0,0.8), 0 0 40px rgba(0,0,0,0.5), 0 2px 4px rgba(0,0,0,0.9);
+  pointer-events: none;
+  opacity: 0;
+  transition: opacity 0.5s ease;
+}
+body.photo-frame-mode .photo-frame-clock { opacity: 1; }
+.photo-frame-date {
+  position: fixed; top: 86px; right: 38px; z-index: 10;
+  font-family: -apple-system, "SF Pro Display", "Segoe UI", sans-serif;
+  font-size: 15px; font-weight: 400;
+  color: rgba(255,255,255,0.8);
+  text-shadow: 0 0 12px rgba(0,0,0,0.7), 0 1px 3px rgba(0,0,0,0.8);
+  pointer-events: none;
+  opacity: 0;
+  transition: opacity 0.5s ease;
+}
+body.photo-frame-mode .photo-frame-date { opacity: 1; }
 </style>
 </head>
 <body class="layout-{{LAYOUT}} {{BODY_CLASSES}}">
@@ -459,16 +609,14 @@ body.hide-photo #card-photo { display: none !important; }
  <div id="card-zodiac" class="card">
    <div class="zodiac-text" id="zodiac2">加载中...</div>
  </div>
-  <div id="card-ainews" class="card">
-    <div class="ainews-header">🤖 AI 资讯</div>
-    <div id="ainews2">加载中...</div>
-  </div>
-  <div id="card-bottom">
-    <div id="card-right-col">
  <div id="card-knowledge" class="card">
    <div class="knowledge-header">💡 知识卡片 <span class="knowledge-keyword-tag" id="knowledgeTag2"></span></div>
    <div class="knowledge-content" id="knowledge2">请设置知识关键字</div>
  </div>
+  <div id="card-ainews" class="card">
+    <div class="ainews-header">🤖 AI 资讯</div>
+    <div id="ainews2">加载中...</div>
+  </div>
  <div id="card-weather" class="card">
    <div class="current-weather" id="currentWeather2">加载中...</div>
    <div class="forecast-title">24小时预报</div>
@@ -476,11 +624,7 @@ body.hide-photo #card-photo { display: none !important; }
    <div class="forecast-title" style="margin-top:12px">7日预报</div>
    <div class="daily-forecast" id="dailyForecast2"></div>
  </div>
-    </div>
-  </div>
-</div>
-
-<div id="card-photo" class="card" style="display:none">
+  <div id="card-photo" class="card" style="display:none">
    <div class="photo-wrap">
      <img id="photoImg" src="" alt="">
      <div class="photo-info">
@@ -488,10 +632,18 @@ body.hide-photo #card-photo { display: none !important; }
        <div class="photo-progress"><div class="photo-progress-bar" id="photoProgress"></div></div>
      </div>
    </div>
+  </div>
 </div>

 <div id="author">绝尘</div>

+<!-- 相册模式全屏图片 -->
+<img id="photo-frame-bg" src="" alt="">
+<img id="photo-frame-img" src="" alt="">
+<!-- 相册模式时钟 -->
+<div class="photo-frame-clock" id="photoFrameClock"></div>
+<div class="photo-frame-date" id="photoFrameDate"></div>
+
 <script>
 var lastTimeStr='', lastDateStr='', lastZodiac='';
 var horoscopeInfo=null;
@@ -523,6 +675,18 @@ function setText(id,txt){
  var e=document.getElementById(id);
  if(e) e.textContent=txt;
 }
+function escapeHTML(value){
+  return String(value == null ? '' : value)
+    .replace(/&/g,'&amp;')
+    .replace(/</g,'&lt;')
+    .replace(/>/g,'&gt;')
+    .replace(/"/g,'&quot;')
+    .replace(/'/g,'&#39;');
+}
+function safeImageURL(value){
+  var url=String(value || '').trim();
+  return /^(https?:|data:image\/)/i.test(url) ? url : '';
+}

 function buildBar(label,val,color){
  var v=parseInt(val)||0;
@@ -543,25 +707,17 @@ function buildZodiacHTML(name){
    html+=buildBar('财运',horoscopeInfo.money,barColors.money);
    html+=buildBar('健康',horoscopeInfo.health,barColors.health);
    html+='<div class="zodiac-tags">';
-    if(horoscopeInfo.luckyColor) html+='<span class="zodiac-tag">🎨 '+horoscopeInfo.luckyColor+'</span>';
-    if(horoscopeInfo.luckyNum) html+='<span class="zodiac-tag">🔢 '+horoscopeInfo.luckyNum+'</span>';
-    if(horoscopeInfo.noble) html+='<span class="zodiac-tag">⭐ '+horoscopeInfo.noble+'</span>';
+    if(horoscopeInfo.luckyColor) html+='<span class="zodiac-tag">🎨 '+escapeHTML(horoscopeInfo.luckyColor)+'</span>';
+    if(horoscopeInfo.luckyNum) html+='<span class="zodiac-tag">🔢 '+escapeHTML(horoscopeInfo.luckyNum)+'</span>';
+    if(horoscopeInfo.noble) html+='<span class="zodiac-tag">⭐ '+escapeHTML(horoscopeInfo.noble)+'</span>';
    html+='</div>';
-    if(horoscopeInfo.summary) html+='<div class="zodiac-summary">'+horoscopeInfo.summary+'</div>';
+    if(horoscopeInfo.summary) html+='<div class="zodiac-summary">'+escapeHTML(horoscopeInfo.summary)+'</div>';
  } else {
    html+='<div style="opacity:0.4;font-size:12px;margin-top:8px">运势加载中...</div>';
  }
  return html;
 }

-function syncZodiacHeight(){
-  var zw=document.getElementById('card-zodiac');
-  var ww=document.getElementById('card-weather');
-  if(!zw||!ww||!document.body.classList.contains('layout-multi')) return;
-  var wh=ww.getBoundingClientRect().height;
-  zw.style.minHeight=wh+'px';
-}
-
 function updateZodiacDisplay(){
  var name=getUserZodiac();
  if(name===lastZodiac) return;
@@ -569,7 +725,6 @@ function updateZodiacDisplay(){
  var html=buildZodiacHTML(name);
  setEl('zodiac',html);
  setEl('zodiac2',html);
-  syncZodiacHeight();
 }

 var holidays=[
@@ -615,6 +770,14 @@ window.setWallpaperVisible=function(visible){
  if(bg){bg.style.display=visible?'':'none';}
 };

+window.setPhotoFrameMode=function(enabled){
+  if(enabled){
+    document.body.classList.add('photo-frame-mode');
+  } else {
+    document.body.classList.remove('photo-frame-mode');
+  }
+};
+
 window._showSeconds={{SHOW_SECONDS}};
 window.setShowSeconds=function(v){window._showSeconds=v; updateTime();};

@@ -648,6 +811,11 @@ function updateTime(){
    setEl('date',displayStr); setEl('date2',displayStr); lastDateStr=dateStr;
  }
  updateZodiacDisplay();
+  // 相册模式时钟
+  var fc=document.getElementById('photoFrameClock');
+  var fd=document.getElementById('photoFrameDate');
+  if(fc) fc.textContent=timeStr;
+  if(fd) fd.textContent=dateStr;
 }

 window.updateHoroscopeFromGo=function(data){
@@ -657,7 +825,6 @@ window.updateHoroscopeFromGo=function(data){
  lastZodiac='';
  window.userZodiac=data.zodiac;
  updateZodiacDisplay();
-  syncZodiacHeight();
 };

 window.updateAINewsFromGo=function(items){
@@ -670,12 +837,13 @@ window.updateAINewsFromGo=function(items){
    var time=n.ctime||'';
    if(time.length>10) time=time.substring(5,10);
    html+='<div class="ainews-item">';
-    if(n.picUrl){
-      html+='<img class="ainews-img" src="'+n.picUrl+'" loading="lazy" onerror="this.style.display=\'none\'">';
+    var picUrl=safeImageURL(n.picUrl);
+    if(picUrl){
+      html+='<img class="ainews-img" src="'+escapeHTML(picUrl)+'" loading="lazy" onerror="this.style.display=\'none\'">';
    }
    html+='<div class="ainews-body">';
-    html+='<div class="ainews-title-row"><span class="ainews-title">'+n.title+'</span><span class="ainews-source">'+n.source+' · '+time+'</span></div>';
-    if(n.description) html+='<div class="ainews-desc">'+n.description+'</div>';
+    html+='<div class="ainews-title-row"><span class="ainews-title">'+escapeHTML(n.title)+'</span><span class="ainews-source">'+escapeHTML(n.source)+' · '+escapeHTML(time)+'</span></div>';
+    if(n.description) html+='<div class="ainews-desc">'+escapeHTML(n.description)+'</div>';
    html+='</div></div>';
  }
  setEl('ainews',html);
@@ -703,7 +871,7 @@ window.updateWeatherFromGo=function(data){
    if(fel){
      if(data.hourly&&data.hourly.length>0){
        fel.innerHTML=data.hourly.map(function(item){
-          return '<div class="forecast-item"><div class="forecast-time">'+item.time+'</div><div class="forecast-icon">'+item.icon+'</div><div class="forecast-temp">'+item.temp+'</div>'+(item.pop&&item.pop!=='0'?'<div class="forecast-pop">'+item.pop+'%</div>':'')+'</div>';
+          return '<div class="forecast-item"><div class="forecast-time">'+escapeHTML(item.time)+'</div><div class="forecast-icon">'+escapeHTML(item.icon)+'</div><div class="forecast-temp">'+escapeHTML(item.temp)+'</div>'+(item.pop&&item.pop!=='0'?'<div class="forecast-pop">'+escapeHTML(item.pop)+'%</div>':'')+'</div>';
        }).join('');
      } else { fel.innerHTML='<div style="font-size:11px;opacity:0.4">暂无数据</div>'; }
    }
@@ -711,7 +879,7 @@ window.updateWeatherFromGo=function(data){
    if(del){
      if(data.daily&&data.daily.length>0){
        del.innerHTML=data.daily.map(function(item){
-          return '<div class="daily-item"><div style="opacity:0.6;font-size:10px">'+item.date+'</div><div class="daily-icon">'+item.icon+'</div><div class="forecast-temp">'+item.tempMin+'°~'+item.tempMax+'°</div></div>';
+          return '<div class="daily-item"><div style="opacity:0.6;font-size:10px">'+escapeHTML(item.date)+'</div><div class="daily-icon">'+escapeHTML(item.icon)+'</div><div class="forecast-temp">'+escapeHTML(item.tempMin)+'°~'+escapeHTML(item.tempMax)+'°</div></div>';
        }).join('');
      } else { del.innerHTML='<div style="font-size:11px;opacity:0.4">暂无数据</div>'; }
    }
@@ -719,7 +887,6 @@ window.updateWeatherFromGo=function(data){

  renderWeather('currentWeather','hourlyForecast','dailyForecast');
  renderWeather('currentWeather2','hourlyForecast2','dailyForecast2');
-  syncZodiacHeight();
 };

 updateTime();
@@ -727,6 +894,19 @@ setInterval(updateTime,1000);

 window.updatePhotoFromGo=function(data){
  if(typeof data==='string') data=JSON.parse(data);
+  var pfImg=document.getElementById('photo-frame-img');
+  var pfBg=document.getElementById('photo-frame-bg');
+  if(document.body.classList.contains('photo-frame-mode')&&pfImg){
+    if(!data||!data.src) return;
+    pfImg.style.opacity='0';
+    pfBg.style.opacity='0';
+    setTimeout(function(){
+      pfBg.src=data.src;
+      pfImg.src=data.src;
+      pfImg.onload=function(){pfImg.style.opacity='1';pfBg.style.opacity='1';};
+    },400);
+    return;
+  }
  var card=document.getElementById('card-photo');
  if(!card) return;
  if(!data||!data.src){card.style.display='none';return;}
--- a/web/settings.html
+++ b/web/settings.html
@@ -189,6 +189,10 @@ input[type="text"]:focus { border-color: var(--input-border-focus); }
 <div class="section">
  <div class="section-label">显示控制</div>
  <div class="card">
+    <div class="item">
+      <div><div class="item-label">开机启动</div><div class="item-desc">系统启动时自动运行</div></div>
+      <label class="switch"><input type="checkbox" id="autoStart"><span class="track"><span class="thumb"></span></span></label>
+    </div>
    <div class="item">
      <div><div class="item-label">显示壁纸</div></div>
      <label class="switch"><input type="checkbox" id="wallpaper" checked><span class="track"><span class="thumb"></span></span></label>
@@ -338,6 +342,10 @@ input[type="text"]:focus { border-color: var(--input-border-focus); }
      <div><div class="item-label">相册展示</div></div>
      <label class="switch"><input type="checkbox" id="photoCard" checked><span class="track"><span class="thumb"></span></span></label>
    </div>
+    <div class="item">
+      <div><div class="item-label">电子相册模式</div><div class="item-desc">照片铺满整个壁纸</div></div>
+      <label class="switch"><input type="checkbox" id="photoFrameMode"><span class="track"><span class="thumb"></span></span></label>
+    </div>
    <div class="item">
      <div class="item-desc" id="photoDirDisplay">未选择目录</div>
      <div class="btn-group">
@@ -377,8 +385,8 @@ input[type="text"]:focus { border-color: var(--input-border-focus); }
      <input type="text" id="knowledgeKeyword" placeholder="如: 历史、科学、冷知识">
    </div>
    <div class="item">
-      <div><div class="item-label">知识提示词</div><div class="item-desc">自定义生成风格，不会显示在桌面</div></div>
-      <input type="text" id="knowledgePrompt" placeholder="如: 用幽默口吻、面向程序员">
+      <div><div class="item-label">知识提示词</div><div class="item-desc">补充风格或方向，系统会保证内容密度</div></div>
+      <input type="text" id="knowledgePrompt" placeholder="如: 偏实践、给出判断标准">
    </div>
    <div class="item" style="position:relative">
      <div class="item-label">天气城市</div>
@@ -397,7 +405,7 @@ input[type="text"]:focus { border-color: var(--input-border-focus); }
 <div class="footer">u-desktop v1.0</div>

 <script>
-var toggleKeys = ['wallpaper', 'time', 'showSeconds', 'weather', 'zodiacCard', 'knowledgeCard', 'ainewsCard', 'photoCard'];
+var toggleKeys = ['autoStart', 'wallpaper', 'time', 'showSeconds', 'weather', 'zodiacCard', 'knowledgeCard', 'ainewsCard', 'photoCard', 'photoFrameMode'];
 var initDone = false;
 function sendToggle() {
  if (!initDone) return;
@@ -585,10 +593,10 @@ function loadBingFavorites() {
  });
 }
 document.getElementById('btnBingPrev').addEventListener('click', function() {
-  if (window.bingNext) window.bingNext().then(function(s) { updateBingUI(s); });
+  if (window.bingPrev) window.bingPrev().then(function(s) { updateBingUI(s); });
 });
 document.getElementById('btnBingNext').addEventListener('click', function() {
-  if (window.bingPrev) window.bingPrev().then(function(s) { updateBingUI(s); });
+  if (window.bingNext) window.bingNext().then(function(s) { updateBingUI(s); });
 });
 document.getElementById('btnBingFav').addEventListener('click', function() {
  if (window.bingToggleFavorite) {
--- a/win32.go
+++ b/win32.go
@@ -23,7 +23,8 @@ var (
 	procSetWindowLongPtrW   = user32.NewProc("SetWindowLongPtrW")
 	procGetWindowLongPtrW   = user32.NewProc("GetWindowLongPtrW")
 	procGetDpiForWindow     = user32.NewProc("GetDpiForWindow")
-procGetClientRect        = user32.NewProc("GetClientRect")
+	procGetClientRect       = user32.NewProc("GetClientRect")
+	procMessageBoxW         = user32.NewProc("MessageBoxW")
 	procGetMessageW         = user32.NewProc("GetMessageW")
 	procPostMessageW        = user32.NewProc("PostMessageW")
 	procTranslateMessage    = user32.NewProc("TranslateMessage")
@@ -35,11 +36,28 @@ var wvHwnd uintptr
 var jsQueue = make(chan string, 64)
 var paused int32

-const wmEvalJS = 0x0401
-const wmSetHtml = 0x0402
+const (
+	wmEvalJS  = 0x0401
+	wmSetHtml = 0x0402
+)
+
+const (
+	gwlStyle  = uintptr(0xFFFFFFF0) // GWL_STYLE = -16
+	wsPopup   = uintptr(0x80000000)
+	wsVisible = uintptr(0x10000000)
+	wsChild   = uintptr(0x02000000)
+	wsSizebox = uintptr(0x00040000)
+	wsMaxbox  = uintptr(0x00010000)
+)

 var htmlQueue = make(chan string, 1)

+var (
+	classProgman      = uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("Progman")))
+	classShellDefView = uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("SHELLDLL_DefView")))
+	classWorkerW      = uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("WorkerW")))
+)
+
 func evalJS(js string) {
 	select {
 	case jsQueue <- js:
@@ -54,21 +72,64 @@ func evalJS(js string) {

 func findWorkerW() uintptr {
 	progman, _, _ := procFindWindowW.Call(
-		uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("Progman"))), 0)
+		classProgman, 0)
 	if progman == 0 {
+		log.Println("findWorkerW: Progman not found")
 		return 0
 	}
+	// 发送 0x052C 触发 Progman 创建 WorkerW
 	var result uintptr
 	procSendMessageTimeoutW.Call(progman, 0x052C, 0, 0, 0x0000, 1000, uintptr(unsafe.Pointer(&result)))
-	shellDefView, _, _ := procFindWindowExW.Call(progman, 0,
-		uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("SHELLDLL_DefView"))), 0)
-	workerwAfterShell, _, _ := procFindWindowExW.Call(progman, shellDefView,
-		uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("WorkerW"))), 0)
-	if workerwAfterShell != 0 {
-		return workerwAfterShell
+
+	// 方法1: Progman 下找 SHELLDLL_DefView，再找其后的 WorkerW
+	shellDefView, _, _ := procFindWindowExW.Call(progman, 0, classShellDefView, 0)
+	if shellDefView != 0 {
+		ww, _, _ := procFindWindowExW.Call(progman, shellDefView, classWorkerW, 0)
+		if ww != 0 {
+			log.Printf("findWorkerW: 方法1成功, WorkerW=0x%x", ww)
+			return ww
+		}
+	}
+
+	// 方法2: 遍历顶层 WorkerW，找到含 SHELLDLL_DefView 的那个，取它后面的 WorkerW
+	var prev uintptr
+	for {
+		ww, _, _ := procFindWindowExW.Call(0, prev, classWorkerW, 0)
+		if ww == 0 {
+			break
+		}
+		child, _, _ := procFindWindowExW.Call(ww, 0, classShellDefView, 0)
+		if child != 0 {
+			// 这个 WorkerW 包含 SHELLDLL_DefView，找它后面的 WorkerW
+			next, _, _ := procFindWindowExW.Call(0, ww, classWorkerW, 0)
+			if next != 0 {
+				log.Printf("findWorkerW: 方法2成功, WorkerW=0x%x (after 0x%x)", next, ww)
+				return next
+			}
+		}
+		prev = ww
+	}
+
+	// 方法3: 遍历顶层 WorkerW，找任意不含 SHELLDLL_DefView 的可见 WorkerW
+	prev = 0
+	for {
+		ww, _, _ := procFindWindowExW.Call(0, prev, classWorkerW, 0)
+		if ww == 0 {
+			break
+		}
+		child, _, _ := procFindWindowExW.Call(ww, 0, classShellDefView, 0)
+		if child == 0 {
+			log.Printf("findWorkerW: 方法3成功, WorkerW=0x%x", ww)
+			return ww
+		}
+		prev = ww
+	}
+
+	// 方法4: 兜底，Progman 下的第一个 WorkerW
+	ww, _, _ := procFindWindowExW.Call(progman, 0, classWorkerW, 0)
+	if ww != 0 {
+		log.Printf("findWorkerW: 方法4(兜底), WorkerW=0x%x", ww)
 	}
-	ww, _, _ := procFindWindowExW.Call(progman, 0,
-		uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("WorkerW"))), 0)
 	return ww
 }