diff --git a/config.go b/config.go
new file mode 100644
index 0000000..15c68c6
--- /dev/null
+++ b/config.go
@@ -0,0 +1,64 @@
+package main
+
+import (
+	"bytes"
+	"encoding/binary"
+	"encoding/json"
+	"image"
+	"image/color"
+	"image/png"
+	"os"
+)
+
+type Config struct {
+	Zodiac string `json:"zodiac"`
+	City   string `json:"city"`
+}
+
+const defaultZodiac = "射手座"
+
+var configPath string
+
+func loadConfig() *Config {
+	data, err := os.ReadFile(configPath)
+	if err != nil {
+		return &Config{Zodiac: defaultZodiac}
+	}
+	var cfg Config
+	if json.Unmarshal(data, &cfg) != nil {
+		return &Config{Zodiac: defaultZodiac}
+	}
+	if cfg.Zodiac == "" {
+		cfg.Zodiac = defaultZodiac
+	}
+	return &cfg
+}
+
+func saveConfig(cfg *Config) error {
+	data, _ := json.MarshalIndent(cfg, "", "  ")
+	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)
+		}
+	}
+	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
+}
diff --git a/main.go b/main.go
index 33c31c0..d819ddf 100644
--- a/main.go
+++ b/main.go
@@ -1,105 +1,24 @@
 package main
 
 import (
-	"bytes"
-	"embed"
-	"encoding/binary"
-	"encoding/json"
-	"fmt"
-	"image"
-	"image/color"
-	"image/png"
-	"io"
 	"log"
-	"net/http"
 	"os"
 	"path/filepath"
-	"regexp"
-	"runtime"
-	"strconv"
-	"sync/atomic"
-	"strings"
-	"time"
-	"unsafe"
 
 	"github.com/getlantern/systray"
-	"github.com/jchv/go-webview2"
 	"golang.org/x/sys/windows"
 )
 
-//go:embed wallpaper.html
-var fs embed.FS
-
-var (
-	user32                  = windows.NewLazySystemDLL("user32.dll")
-	procFindWindowW         = user32.NewProc("FindWindowW")
-	procFindWindowExW       = user32.NewProc("FindWindowExW")
-	procSendMessageTimeoutW = user32.NewProc("SendMessageTimeoutW")
-	procSetParent           = user32.NewProc("SetParent")
-	procGetForegroundWindow = user32.NewProc("GetForegroundWindow")
-	procGetWindowRect       = user32.NewProc("GetWindowRect")
-	procGetSystemMetrics    = user32.NewProc("GetSystemMetrics")
-	procMoveWindow          = user32.NewProc("MoveWindow")
-	procShowWindow          = user32.NewProc("ShowWindow")
-	procSetProcessDPIAware  = user32.NewProc("SetProcessDPIAware")
-	procSetWindowLongPtrW   = user32.NewProc("SetWindowLongPtrW")
-	procGetMessageW         = user32.NewProc("GetMessageW")
-	procPostMessageW        = user32.NewProc("PostMessageW")
-	procTranslateMessage    = user32.NewProc("TranslateMessage")
-	procDispatchMessageW    = user32.NewProc("DispatchMessageW")
-)
-
-var wv webview2.WebView
-var configPath string
-var wvHwnd uintptr
-var jsQueue = make(chan string, 64)
-var httpClient = &http.Client{Timeout: 10 * time.Second}
-var paused int32 // atomic: 0=running, 1=paused
-
-const wmEvalJS = 0x0401 // WM_USER + 1
-
-func evalJS(js string) {
-	select {
-	case jsQueue <- js:
-		log.Println("📤 evalJS queued:", js[:min(60, len(js))])
-	default:
-		log.Println("⚠️ jsQueue full, dropping eval")
-	}
-	if wvHwnd != 0 {
-		ret, _, _ := procPostMessageW.Call(wvHwnd, wmEvalJS, 0, 0)
-		log.Printf("📤 PostMessageW ret=%d hwnd=0x%x", ret, wvHwnd)
-	} else {
-		log.Println("⚠️ wvHwnd is 0, skip PostMessage")
-	}
-}
-
-func min(a, b int) int {
-	if a < b {
-		return a
-	}
-	return b
-}
-
-// ── Config ──
-
-type Config struct {
-	Zodiac string `json:"zodiac"`
-	City   string `json:"city"` // QWeather city ID, 空=自动定位
-}
-
-const defaultZodiac = "射手座"
-
 func main() {
 	log.SetFlags(log.Ltime | log.Lmicroseconds)
 
-	// 单实例互斥锁，防止双托盘
 	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)
 	}
 	if windows.GetLastError() == windows.ERROR_ALREADY_EXISTS {
-		log.Println("⚠️ 已有实例运行，退出")
+		log.Println("已有实例运行，退出")
 		windows.CloseHandle(mutex)
 		return
 	}
@@ -112,618 +31,3 @@ func main() {
 	procSetProcessDPIAware.Call()
 	systray.Run(onSystrayReady, nil)
 }
-
-func loadConfig() *Config {
-	data, err := os.ReadFile(configPath)
-	if err != nil {
-		return &Config{Zodiac: defaultZodiac}
-	}
-	var cfg Config
-	if json.Unmarshal(data, &cfg) != nil {
-		return &Config{Zodiac: defaultZodiac}
-	}
-	if cfg.Zodiac == "" {
-		cfg.Zodiac = defaultZodiac
-	}
-	return &cfg
-}
-
-func saveConfig(cfg *Config) error {
-	data, _ := json.MarshalIndent(cfg, "", "  ")
-	return os.WriteFile(configPath, data, 0644)
-}
-
-// ── Icon ──
-
-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)
-		}
-	}
-	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
-}
-
-// ── Weather ──
-
-const qweatherKey = "3b67b65a53c04170b602d2d1a7e6096f"
-const qweatherHost = "https://pb4nmv4qnu.re.qweatherapi.com"
-
-type City struct {
-	ID   string `json:"id"`
-	Name string `json:"name"`
-	Adm2 string `json:"adm2"`
-	Adm1 string `json:"adm1"`
-}
-
-var cities = []City{
-	{"101010100", "北京", "北京", "北京"},
-	{"101020100", "上海", "上海", "上海"},
-	{"101280101", "广州", "广州", "广东"},
-	{"101280601", "深圳", "深圳", "广东"},
-	{"101200101", "武汉", "武汉", "湖北"},
-	{"101110101", "西安", "西安", "陕西"},
-	{"101210101", "杭州", "杭州", "浙江"},
-	{"101190101", "南京", "南京", "江苏"},
-	{"101070101", "沈阳", "沈阳", "辽宁"},
-	{"101050101", "哈尔滨", "哈尔滨", "黑龙江"},
-	{"101250101", "长沙", "长沙", "湖南"},
-	{"101270101", "成都", "成都", "四川"},
-}
-
-var defaultCity = City{"101200101", "武汉", "武汉", "湖北"}
-
-type hourlyItem struct {
-	Time string `json:"time"`
-	Temp string `json:"temp"`
-	Icon string `json:"icon"`
-}
-
-type dailyItem struct {
-	Date    string `json:"date"`
-	Icon    string `json:"icon"`
-	TempMin string `json:"tempMin"`
-	TempMax string `json:"tempMax"`
-}
-
-var weatherIcons = map[string]string{
-	"晴": "☀️", "多云": "⛅", "阴": "☁️",
-	"雨": "🌧️", "雪": "❄️", "雷": "⛈️",
-	"雾": "🌫️", "霾": "😷", "风": "💨",
-}
-
-func getWeatherIcon(text string) string {
-	for k, v := range weatherIcons {
-		if strings.Contains(text, k) {
-			return v
-		}
-	}
-	return "🌤️"
-}
-
-func httpGet(url string) ([]byte, error) {
-	resp, err := httpClient.Get(url)
-	if err != nil {
-		return nil, err
-	}
-	defer resp.Body.Close()
-	return io.ReadAll(resp.Body)
-}
-
-// getLocation 自动定位，返回城市
-func getLocation() City {
-	// 1. 尝试 ipip.net
-	if city := locateByIPIP(); city != nil {
-		return *city
-	}
-	// 2. 尝试 QWeather GeoAPI
-	if city := locateByQWeather(); city != nil {
-		return *city
-	}
-	// 3. fallback
-	log.Println("⚠️ 所有定位失败，使用默认城市:", defaultCity.Name)
-	return defaultCity
-}
-
-func locateByIPIP() *City {
-	data, err := httpGet("https://myip.ipip.net")
-	if err != nil {
-		log.Println("ipip.net 不可用:", err)
-		return nil
-	}
-	text := string(data)
-	log.Println("ipip.net 响应:", text)
-	re := regexp.MustCompile(`来自于[：:]\s*(.+?)\s*$`)
-	m := re.FindStringSubmatch(text)
-	if m == nil {
-		return nil
-	}
-	parts := strings.Fields(m[1])
-	cityName := parts[0]
-	if len(parts) >= 3 {
-		cityName = parts[2]
-	} else if len(parts) >= 2 {
-		cityName = parts[1]
-	}
-	for _, c := range cities {
-		if c.Name == cityName {
-			log.Println("✅ ipip.net 匹配:", c.Name)
-			return &c
-		}
-	}
-	log.Println("ipip.net 城市", cityName, "不在预置列表中")
-	return nil
-}
-
-func locateByQWeather() *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 {
-			return geoLookup(m[1])
-		}
-	}
-	return nil
-}
-
-func geoLookup(ip string) *City {
-	url := fmt.Sprintf(qweatherHost + "/v2/city/lookup?location=%s&key=%s", ip, qweatherKey)
-	data, err := httpGet(url)
-	if err != nil {
-		return nil
-	}
-	var resp struct {
-		Code     string `json:"code"`
-		Location []struct {
-			ID   string `json:"id"`
-			Name string `json:"name"`
-			Adm2 string `json:"adm2"`
-			Adm1 string `json:"adm1"`
-		} `json:"location"`
-	}
-	if json.Unmarshal(data, &resp) != nil || resp.Code != "200" || len(resp.Location) == 0 {
-		return nil
-	}
-	loc := resp.Location[0]
-	// 优先匹配预置列表
-	for _, c := range cities {
-		if c.Name == loc.Name {
-			return &c
-		}
-	}
-	return &City{loc.ID, loc.Name, loc.Adm2, loc.Adm1}
-}
-
-// getCurrentCity 获取当前城市（手动优先 > 自动定位）
-func getCurrentCity() City {
-	cfg := loadConfig()
-	if cfg.City != "" {
-		for _, c := range cities {
-			if c.ID == cfg.City {
-				return c
-			}
-		}
-	}
-	return getLocation()
-}
-
-// fetchAndPushWeather 获取天气并推送给 JS
-func fetchAndPushWeather(city City) {
-	type weatherData struct {
-		Current string       `json:"current"`
-		Hourly  []hourlyItem `json:"hourly"`
-		Daily   []dailyItem  `json:"daily"`
-		City    string       `json:"city"`
-	}
-
-	wd := weatherData{}
-	cityName := city.Name
-	if city.Adm2 != city.Name {
-		cityName = city.Adm2 + " " + city.Name
-	}
-	wd.City = cityName
-
-	// 当前天气
-	if now := fetchCurrentWeather(city.ID); now != nil {
-		icon := getWeatherIcon(now.Text)
-		wd.Current = fmt.Sprintf("📍 %s %s %s %s°C", cityName, icon, now.Text, now.Temp)
-	} else {
-		wd.Current = fmt.Sprintf("📍 %s ☀️ 晴 24°C", cityName)
-	}
-
-	// 24h 预报
-	wd.Hourly = fetchHourlyForecast(city.ID)
-
-	// 7d 预报
-	wd.Daily = fetchDailyForecast(city.ID)
-
-	jsonData, _ := json.Marshal(wd)
-	evalJS(fmt.Sprintf(`if(window.updateWeatherFromGo) window.updateWeatherFromGo(%s)`, string(jsonData)))
-	log.Println("✅ 天气已推送:", wd.Current)
-}
-
-type currentWeather struct {
-	Text string `json:"text"`
-	Temp string `json:"temp"`
-}
-
-func fetchCurrentWeather(cityID string) *currentWeather {
-	url := fmt.Sprintf(qweatherHost + "/v7/weather/now?location=%s&key=%s", cityID, qweatherKey)
-	data, err := httpGet(url)
-	if err != nil {
-		return nil
-	}
-	var resp struct {
-		Code string `json:"code"`
-		Now  struct {
-			Text string `json:"text"`
-			Temp string `json:"temp"`
-		} `json:"now"`
-	}
-	if json.Unmarshal(data, &resp) != nil || resp.Code != "200" {
-		return nil
-	}
-	return &currentWeather{resp.Now.Text, resp.Now.Temp}
-}
-
-func fetchHourlyForecast(cityID string) []hourlyItem {
-	url := fmt.Sprintf(qweatherHost + "/v7/weather/24h?location=%s&key=%s", cityID, qweatherKey)
-	data, err := httpGet(url)
-	if err != nil {
-		return nil
-	}
-	var resp struct {
-		Code    string `json:"code"`
-		Hourly  []struct {
-			FxTime string `json:"fxTime"`
-			Temp   string `json:"temp"`
-			Text   string `json:"text"`
-		} `json:"hourly"`
-	}
-	if json.Unmarshal(data, &resp) != nil || resp.Code != "200" {
-		return nil
-	}
-	var result []hourlyItem
-	for i, h := range resp.Hourly {
-		if i >= 8 {
-			break
-		}
-		// fxTime: "2026-05-25T14:00+08:00" -> "14:00"
-		t := h.FxTime
-		if idx := strings.Index(t, "T"); idx >= 0 {
-			t = t[idx+1:]
-			if len(t) >= 5 {
-				t = t[:5]
-			}
-		}
-		result = append(result, hourlyItem{t, h.Temp + "°", getWeatherIcon(h.Text)})
-	}
-	return result
-}
-
-func fetchDailyForecast(cityID string) []dailyItem {
-	url := fmt.Sprintf(qweatherHost + "/v7/weather/7d?location=%s&key=%s", cityID, qweatherKey)
-	data, err := httpGet(url)
-	if err != nil {
-		return nil
-	}
-	var resp struct {
-		Code   string `json:"code"`
-		Daily  []struct {
-			FxDate  string `json:"fxDate"`
-			TextDay string `json:"textDay"`
-			TempMin string `json:"tempMin"`
-			TempMax string `json:"tempMax"`
-		} `json:"daily"`
-	}
-	if json.Unmarshal(data, &resp) != nil || resp.Code != "200" {
-		return nil
-	}
-	weekdays := []string{"周日", "周一", "周二", "周三", "周四", "周五", "周六"}
-	today := time.Now().Format("2006-01-02")
-	var result []dailyItem
-	for _, d := range resp.Daily {
-		date := d.FxDate
-		if date == today {
-			date = "今天"
-		} else {
-			if t, err := time.Parse("2006-01-02", date); err == nil {
-				date = weekdays[t.Weekday()]
-			}
-		}
-		result = append(result, dailyItem{date, getWeatherIcon(d.TextDay), d.TempMin, d.TempMax})
-	}
-	return result
-}
-
-func weatherLoop() {
-	// 首次延迟等 WebView 初始化
-	time.Sleep(3 * time.Second)
-	city := getCurrentCity()
-	log.Println("🌤️ 初始城市:", city.Name)
-	fetchAndPushWeather(city)
-
-	ticker := time.NewTicker(10 * time.Minute)
-	for range ticker.C {
-		city := getCurrentCity()
-		fetchAndPushWeather(city)
-	}
-}
-
-// ── Systray ──
-
-var zodiacItems []*systray.MenuItem
-var cityItems []*systray.MenuItem
-
-func onSystrayReady() {
-	systray.SetIcon(generateIcon())
-	systray.SetTooltip("动态壁纸引擎")
-
-	mPause := systray.AddMenuItem("暂停", "暂停/继续")
-	systray.AddSeparator()
-
-	// 星座子菜单
-	mZodiac := systray.AddMenuItem("星座设置", "")
-	zodiacs := []string{
-		"白羊座", "金牛座", "双子座",
-		"巨蟹座", "狮子座", "处女座",
-		"天秤座", "天蝎座", "射手座",
-		"摩羯座", "水瓶座", "双鱼座",
-	}
-	cfg := loadConfig()
-	for _, z := range zodiacs {
-		item := mZodiac.AddSubMenuItem(z, z)
-		if z == cfg.Zodiac {
-			item.Check()
-		}
-		zodiacItems = append(zodiacItems, item)
-	}
-
-	systray.AddSeparator()
-
-	// 城市子菜单
-	mCity := systray.AddMenuItem("城市设置", "")
-	for _, c := range cities {
-		item := mCity.AddSubMenuItem(c.Name, c.Adm1+" "+c.Name)
-		if cfg.City == c.ID {
-			item.Check()
-		}
-		cityItems = append(cityItems, item)
-	}
-
-	systray.AddSeparator()
-	mQuit := systray.AddMenuItem("退出", "退出程序")
-
-	// 星座选择监听
-	for i, item := range zodiacItems {
-		go func(idx int, mi *systray.MenuItem) {
-			name := zodiacs[idx]
-			log.Printf("⭐ 星座监听启动: %s", name)
-			for {
-				<-mi.ClickedCh
-				log.Printf("⭐ 星座点击: %s", name)
-				cfg := loadConfig()
-				cfg.Zodiac = name
-				saveConfig(cfg)
-				for _, it := range zodiacItems {
-					it.Uncheck()
-				}
-				mi.Check()
-				evalJS(fmt.Sprintf(`window.userZodiac = %q; if(window.updateTime) updateTime();`, name))
-			}
-		}(i, item)
-	}
-
-	// 城市选择监听
-	for i, item := range cityItems {
-		go func(idx int, mi *systray.MenuItem) {
-			log.Printf("🏙️ 城市监听启动: %s", cities[idx].Name)
-			for {
-				<-mi.ClickedCh
-				city := cities[idx]
-				log.Printf("🏙️ 城市点击: %s", city.Name)
-				cfg := loadConfig()
-				cfg.City = city.ID
-				saveConfig(cfg)
-				for _, it := range cityItems {
-					it.Uncheck()
-				}
-				mi.Check()
-				go fetchAndPushWeather(city)
-			}
-		}(i, item)
-	}
-
-		// 暂停
-		go func() {
-			log.Println("暂停监听启动")
-			for {
-				<-mPause.ClickedCh
-				newVal := 1 - atomic.LoadInt32(&paused)
-				atomic.StoreInt32(&paused, newVal)
-				isPaused := newVal == 1
-				log.Printf("暂停切换: paused=%v", isPaused)
-				if isPaused {
-					mPause.SetTitle("继续")
-				} else {
-					mPause.SetTitle("暂停")
-				}
-				evalJS("if(window.setPaused) setPaused(" + strconv.FormatBool(isPaused) + ")")
-			}
-		}()
-
-
-	// 退出
-	go func() {
-		<-mQuit.ClickedCh
-		os.Exit(0)
-	}()
-
-	go startWebView()
-	go weatherLoop()
-}
-
-// ── WebView ──
-
-func startWebView() {
-	runtime.LockOSThread()
-
-	workerw := findWorkerW()
-	if workerw == 0 {
-		log.Fatal("WorkerW not found")
-	}
-
-	screenW, screenH := getScreenSize()
-	log.Printf("Screen: %dx%d", screenW, screenH)
-
-	wv = webview2.NewWithOptions(webview2.WebViewOptions{
-		AutoFocus: false,
-		WindowOptions: webview2.WindowOptions{
-			Title:  "动态壁纸",
-			Width:  uint(screenW),
-			Height: uint(screenH),
-		},
-	})
-	if wv == nil {
-		log.Fatal("WebView2 create failed")
-	}
-
-	htmlData, err := fs.ReadFile("wallpaper.html")
-	if err != nil {
-		log.Fatal("读取 wallpaper.html 失败:", err)
-	}
-
-	wv.Bind("setZodiacFromGo", func(zodiac string) error {
-		cfg := loadConfig()
-		cfg.Zodiac = zodiac
-		return saveConfig(cfg)
-	})
-
-	wv.SetHtml(string(htmlData))
-	time.Sleep(1 * time.Second)
-
-	wvHwnd = uintptr(wv.Window())
-	procSetWindowLongPtrW.Call(wvHwnd, uintptr(0xFFFFFFF0), uintptr(0x80000000|0x10000000|0x02000000))
-	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)
-
-	// 注入配置
-	go func() {
-		time.Sleep(500 * time.Millisecond)
-		cfg := loadConfig()
-		evalJS(fmt.Sprintf(`window.userZodiac = %q;`, cfg.Zodiac))
-		log.Printf("✅ 配置已注入: zodiac=%s", cfg.Zodiac)
-	}()
-
-	go fullscreenMonitor()
-
-	// 延迟嵌入 WorkerW
-	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)
-		}
-	}()
-
-	// 消息循环
-	type msg struct {
-		hwnd    uintptr
-		message uint32
-		wParam  uintptr
-		lParam  uintptr
-		time    uint32
-		pt      struct{ x, y int32 }
-	}
-	var m msg
-	log.Println("启动自定义消息循环...")
-	for {
-		ret, _, _ := procGetMessageW.Call(
-			uintptr(unsafe.Pointer(&m)),
-			0, 0, 0,
-		)
-		if ret == 0 {
-			break
-		}
-		if m.message == wmEvalJS {
-			log.Println("收到 wmEvalJS, drain queue...")
-			for {
-				select {
-				case js := <-jsQueue:
-					wv.Eval(js)
-				default:
-					goto nextMsg
-				}
-			}
-		}
-	nextMsg:
-		procTranslateMessage.Call(uintptr(unsafe.Pointer(&m)))
-		procDispatchMessageW.Call(uintptr(unsafe.Pointer(&m)))
-	}
-}
-
-func findWorkerW() uintptr {
-	progman, _, _ := procFindWindowW.Call(
-		uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("Progman"))), 0)
-	if progman == 0 {
-		return 0
-	}
-	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
-	}
-	ww, _, _ := procFindWindowExW.Call(progman, 0,
-		uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("WorkerW"))), 0)
-	return ww
-}
-
-func getScreenSize() (int32, int32) {
-	w, _, _ := procGetSystemMetrics.Call(0)
-	h, _, _ := procGetSystemMetrics.Call(1)
-	return int32(w), int32(h)
-}
-
-func fullscreenMonitor() {
-	type rect struct{ Left, Top, Right, Bottom int32 }
-	var lastState string
-	for {
-		if atomic.LoadInt32(&paused) == 0 && wv != nil {
-			fg, _, _ := procGetForegroundWindow.Call()
-			if fg != 0 {
-				var r rect
-				procGetWindowRect.Call(fg, uintptr(unsafe.Pointer(&r)))
-				screenW, screenH := getScreenSize()
-				isFull := (r.Right-r.Left >= screenW) && (r.Bottom-r.Top >= screenH)
-				state := strconv.FormatBool(isFull)
-				if state != lastState {
-					lastState = state
-					evalJS("if(window.setFullscreen) setFullscreen(" + state + ")")
-				}
-			}
-		}
-		time.Sleep(2 * time.Second)
-	}
-}
diff --git a/systray.go b/systray.go
new file mode 100644
index 0000000..c9c3756
--- /dev/null
+++ b/systray.go
@@ -0,0 +1,244 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"runtime"
+	"strconv"
+	"sync/atomic"
+	"time"
+	"unsafe"
+
+	"github.com/getlantern/systray"
+	"github.com/jchv/go-webview2"
+)
+
+var zodiacItems []*systray.MenuItem
+var cityItems []*systray.MenuItem
+
+func onSystrayReady() {
+	systray.SetIcon(generateIcon())
+	systray.SetTooltip("动态壁纸引擎")
+
+	mPause := systray.AddMenuItem("暂停", "暂停/继续")
+	systray.AddSeparator()
+
+	mZodiac := systray.AddMenuItem("星座设置", "")
+	zodiacs := []string{
+		"白羊座", "金牛座", "双子座",
+		"巨蟹座", "狮子座", "处女座",
+		"天秤座", "天蝎座", "射手座",
+		"摩羯座", "水瓶座", "双鱼座",
+	}
+	cfg := loadConfig()
+	for _, z := range zodiacs {
+		item := mZodiac.AddSubMenuItem(z, z)
+		if z == cfg.Zodiac {
+			item.Check()
+		}
+		zodiacItems = append(zodiacItems, item)
+	}
+
+	systray.AddSeparator()
+
+	mCity := systray.AddMenuItem("城市设置", "")
+	for _, c := range cities {
+		item := mCity.AddSubMenuItem(c.Name, c.Adm1+" "+c.Name)
+		if cfg.City == c.ID {
+			item.Check()
+		}
+		cityItems = append(cityItems, item)
+	}
+
+	systray.AddSeparator()
+	mQuit := systray.AddMenuItem("退出", "退出程序")
+
+	// 星座选择监听
+	for i, item := range zodiacItems {
+		go func(idx int, mi *systray.MenuItem) {
+			name := zodiacs[idx]
+			log.Printf("星座监听启动: %s", name)
+			for {
+				<-mi.ClickedCh
+				log.Printf("星座点击: %s", name)
+				cfg := loadConfig()
+				cfg.Zodiac = name
+				saveConfig(cfg)
+				for _, it := range zodiacItems {
+					it.Uncheck()
+				}
+				mi.Check()
+				evalJS(fmt.Sprintf(`window.userZodiac = %q; if(window.updateTime) updateTime();`, name))
+			}
+		}(i, item)
+	}
+
+	// 城市选择监听
+	for i, item := range cityItems {
+		go func(idx int, mi *systray.MenuItem) {
+			log.Printf("城市监听启动: %s", cities[idx].Name)
+			for {
+				<-mi.ClickedCh
+				city := cities[idx]
+				log.Printf("城市点击: %s", city.Name)
+				cfg := loadConfig()
+				cfg.City = city.ID
+				saveConfig(cfg)
+				for _, it := range cityItems {
+					it.Uncheck()
+				}
+				mi.Check()
+				go fetchAndPushWeather(city)
+			}
+		}(i, item)
+	}
+
+	// 暂停
+	go func() {
+		log.Println("暂停监听启动")
+		for {
+			<-mPause.ClickedCh
+			newVal := 1 - atomic.LoadInt32(&paused)
+			atomic.StoreInt32(&paused, newVal)
+			isPaused := newVal == 1
+			log.Printf("暂停切换: paused=%v", isPaused)
+			if isPaused {
+				mPause.SetTitle("继续")
+			} else {
+				mPause.SetTitle("暂停")
+			}
+			evalJS("if(window.setPaused) setPaused(" + strconv.FormatBool(isPaused) + ")")
+		}
+	}()
+
+	// 退出
+	go func() {
+		<-mQuit.ClickedCh
+		os.Exit(0)
+	}()
+
+	go startWebView()
+	go weatherLoop()
+}
+
+func startWebView() {
+	runtime.LockOSThread()
+
+	workerw := findWorkerW()
+	if workerw == 0 {
+		log.Fatal("WorkerW not found")
+	}
+
+	screenW, screenH := getScreenSize()
+	log.Printf("Screen: %dx%d", screenW, screenH)
+
+	wv = webview2.NewWithOptions(webview2.WebViewOptions{
+		AutoFocus: false,
+		WindowOptions: webview2.WindowOptions{
+			Title:  "动态壁纸",
+			Width:  uint(screenW),
+			Height: uint(screenH),
+		},
+	})
+	if wv == nil {
+		log.Fatal("WebView2 create failed")
+	}
+
+	htmlData, err := fs.ReadFile("web/wallpaper.html")
+	if err != nil {
+		log.Fatal("读取 wallpaper.html 失败:", err)
+	}
+
+	wv.Bind("setZodiacFromGo", func(zodiac string) error {
+		cfg := loadConfig()
+		cfg.Zodiac = zodiac
+		return saveConfig(cfg)
+	})
+
+	wv.SetHtml(string(htmlData))
+	time.Sleep(1 * time.Second)
+
+	wvHwnd = uintptr(wv.Window())
+	procSetWindowLongPtrW.Call(wvHwnd, uintptr(0xFFFFFFF0), uintptr(0x80000000|0x10000000|0x02000000))
+	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)
+
+	// 注入配置
+	go func() {
+		time.Sleep(500 * time.Millisecond)
+		cfg := loadConfig()
+		evalJS(fmt.Sprintf(`window.userZodiac = %q;`, cfg.Zodiac))
+		log.Printf("配置已注入: zodiac=%s", cfg.Zodiac)
+	}()
+
+	go fullscreenMonitor()
+
+	// 延迟嵌入 WorkerW
+	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)
+		}
+	}()
+
+	// 消息循环
+	type msg struct {
+		hwnd    uintptr
+		message uint32
+		wParam  uintptr
+		lParam  uintptr
+		time    uint32
+		pt      struct{ x, y int32 }
+	}
+	var m msg
+	log.Println("启动自定义消息循环...")
+	for {
+		ret, _, _ := procGetMessageW.Call(
+			uintptr(unsafe.Pointer(&m)),
+			0, 0, 0,
+		)
+		if ret == 0 {
+			break
+		}
+		if m.message == wmEvalJS {
+			for {
+				select {
+				case js := <-jsQueue:
+					wv.Eval(js)
+				default:
+					goto nextMsg
+				}
+			}
+		}
+	nextMsg:
+		procTranslateMessage.Call(uintptr(unsafe.Pointer(&m)))
+		procDispatchMessageW.Call(uintptr(unsafe.Pointer(&m)))
+	}
+}
+
+func fullscreenMonitor() {
+	type rect struct{ Left, Top, Right, Bottom int32 }
+	var lastState string
+	for {
+		if atomic.LoadInt32(&paused) == 0 && wv != nil {
+			fg, _, _ := procGetForegroundWindow.Call()
+			if fg != 0 {
+				var r rect
+				procGetWindowRect.Call(fg, uintptr(unsafe.Pointer(&r)))
+				screenW, screenH := getScreenSize()
+				isFull := (r.Right-r.Left >= screenW) && (r.Bottom-r.Top >= screenH)
+				state := strconv.FormatBool(isFull)
+				if state != lastState {
+					lastState = state
+					evalJS("if(window.setFullscreen) setFullscreen(" + state + ")")
+				}
+			}
+		}
+		time.Sleep(2 * time.Second)
+	}
+}
diff --git a/weather.go b/weather.go
new file mode 100644
index 0000000..83ca515
--- /dev/null
+++ b/weather.go
@@ -0,0 +1,306 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"log"
+	"net/http"
+	"regexp"
+	"strings"
+	"time"
+)
+
+const qweatherKey = "3b67b65a53c04170b602d2d1a7e6096f"
+const qweatherHost = "https://pb4nmv4qnu.re.qweatherapi.com"
+
+type City struct {
+	ID   string `json:"id"`
+	Name string `json:"name"`
+	Adm2 string `json:"adm2"`
+	Adm1 string `json:"adm1"`
+}
+
+var cities = []City{
+	{"101010100", "北京", "北京", "北京"},
+	{"101020100", "上海", "上海", "上海"},
+	{"101280101", "广州", "广州", "广东"},
+	{"101280601", "深圳", "深圳", "广东"},
+	{"101200101", "武汉", "武汉", "湖北"},
+	{"101110101", "西安", "西安", "陕西"},
+	{"101210101", "杭州", "杭州", "浙江"},
+	{"101190101", "南京", "南京", "江苏"},
+	{"101070101", "沈阳", "沈阳", "辽宁"},
+	{"101050101", "哈尔滨", "哈尔滨", "黑龙江"},
+	{"101250101", "长沙", "长沙", "湖南"},
+	{"101270101", "成都", "成都", "四川"},
+}
+
+var defaultCity = City{"101200101", "武汉", "武汉", "湖北"}
+
+var httpClient = &http.Client{Timeout: 10 * time.Second}
+
+var weatherIcons = map[string]string{
+	"晴": "☀️", "多云": "⛅", "阴": "☁️",
+	"雨": "🌧️", "雪": "❄️", "雷": "⛈️",
+	"雾": "🌫️", "霾": "😷", "风": "💨",
+}
+
+func getWeatherIcon(text string) string {
+	for k, v := range weatherIcons {
+		if strings.Contains(text, k) {
+			return v
+		}
+	}
+	return "🌤️"
+}
+
+func httpGet(url string) ([]byte, error) {
+	resp, err := httpClient.Get(url)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	return io.ReadAll(resp.Body)
+}
+
+// ── 定位 ──
+
+func getLocation() City {
+	if city := locateByIPIP(); city != nil {
+		return *city
+	}
+	if city := locateByQWeather(); city != nil {
+		return *city
+	}
+	log.Println("所有定位失败，使用默认城市:", defaultCity.Name)
+	return defaultCity
+}
+
+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)
+	if m == nil {
+		return nil
+	}
+	parts := strings.Fields(m[1])
+	cityName := parts[0]
+	if len(parts) >= 3 {
+		cityName = parts[2]
+	} else if len(parts) >= 2 {
+		cityName = parts[1]
+	}
+	for _, c := range cities {
+		if c.Name == cityName {
+			log.Println("ipip.net 匹配:", c.Name)
+			return &c
+		}
+	}
+	return nil
+}
+
+func locateByQWeather() *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 {
+			return geoLookup(m[1])
+		}
+	}
+	return nil
+}
+
+func geoLookup(ip string) *City {
+	url := fmt.Sprintf(qweatherHost+"/v2/city/lookup?location=%s&key=%s", ip, qweatherKey)
+	data, err := httpGet(url)
+	if err != nil {
+		return nil
+	}
+	var resp struct {
+		Code     string `json:"code"`
+		Location []struct {
+			ID   string `json:"id"`
+			Name string `json:"name"`
+			Adm2 string `json:"adm2"`
+			Adm1 string `json:"adm1"`
+		} `json:"location"`
+	}
+	if json.Unmarshal(data, &resp) != nil || resp.Code != "200" || len(resp.Location) == 0 {
+		return nil
+	}
+	loc := resp.Location[0]
+	for _, c := range cities {
+		if c.Name == loc.Name {
+			return &c
+		}
+	}
+	return &City{loc.ID, loc.Name, loc.Adm2, loc.Adm1}
+}
+
+func getCurrentCity() City {
+	cfg := loadConfig()
+	if cfg.City != "" {
+		for _, c := range cities {
+			if c.ID == cfg.City {
+				return c
+			}
+		}
+	}
+	return getLocation()
+}
+
+// ── 天气数据 ──
+
+type hourlyItem struct {
+	Time string `json:"time"`
+	Temp string `json:"temp"`
+	Icon string `json:"icon"`
+}
+
+type dailyItem struct {
+	Date    string `json:"date"`
+	Icon    string `json:"icon"`
+	TempMin string `json:"tempMin"`
+	TempMax string `json:"tempMax"`
+}
+
+type currentWeather struct {
+	Text string `json:"text"`
+	Temp string `json:"temp"`
+}
+
+func fetchAndPushWeather(city City) {
+	type weatherData struct {
+		Current string       `json:"current"`
+		Hourly  []hourlyItem `json:"hourly"`
+		Daily   []dailyItem  `json:"daily"`
+		City    string       `json:"city"`
+	}
+
+	wd := weatherData{}
+	cityName := city.Name
+	if city.Adm2 != city.Name {
+		cityName = city.Adm2 + " " + city.Name
+	}
+	wd.City = cityName
+
+	if now := fetchCurrentWeather(city.ID); now != nil {
+		icon := getWeatherIcon(now.Text)
+		wd.Current = fmt.Sprintf("📍 %s %s %s %s°C", cityName, icon, now.Text, now.Temp)
+	} else {
+		wd.Current = fmt.Sprintf("📍 %s ☀️ 晴 24°C", cityName)
+	}
+
+	wd.Hourly = fetchHourlyForecast(city.ID)
+	wd.Daily = fetchDailyForecast(city.ID)
+
+	jsonData, _ := json.Marshal(wd)
+	evalJS(fmt.Sprintf(`if(window.updateWeatherFromGo) window.updateWeatherFromGo(%s)`, string(jsonData)))
+	log.Println("天气已推送:", wd.Current)
+}
+
+func fetchCurrentWeather(cityID string) *currentWeather {
+	url := fmt.Sprintf(qweatherHost+"/v7/weather/now?location=%s&key=%s", cityID, qweatherKey)
+	data, err := httpGet(url)
+	if err != nil {
+		return nil
+	}
+	var resp struct {
+		Code string `json:"code"`
+		Now  struct {
+			Text string `json:"text"`
+			Temp string `json:"temp"`
+		} `json:"now"`
+	}
+	if json.Unmarshal(data, &resp) != nil || resp.Code != "200" {
+		return nil
+	}
+	return &currentWeather{resp.Now.Text, resp.Now.Temp}
+}
+
+func fetchHourlyForecast(cityID string) []hourlyItem {
+	url := fmt.Sprintf(qweatherHost+"/v7/weather/24h?location=%s&key=%s", cityID, qweatherKey)
+	data, err := httpGet(url)
+	if err != nil {
+		return nil
+	}
+	var resp struct {
+		Code   string `json:"code"`
+		Hourly []struct {
+			FxTime string `json:"fxTime"`
+			Temp   string `json:"temp"`
+			Text   string `json:"text"`
+		} `json:"hourly"`
+	}
+	if json.Unmarshal(data, &resp) != nil || resp.Code != "200" {
+		return nil
+	}
+	var result []hourlyItem
+	for i, h := range resp.Hourly {
+		if i >= 8 {
+			break
+		}
+		t := h.FxTime
+		if idx := strings.Index(t, "T"); idx >= 0 {
+			t = t[idx+1:]
+			if len(t) >= 5 {
+				t = t[:5]
+			}
+		}
+		result = append(result, hourlyItem{t, h.Temp + "°", getWeatherIcon(h.Text)})
+	}
+	return result
+}
+
+func fetchDailyForecast(cityID string) []dailyItem {
+	url := fmt.Sprintf(qweatherHost+"/v7/weather/7d?location=%s&key=%s", cityID, qweatherKey)
+	data, err := httpGet(url)
+	if err != nil {
+		return nil
+	}
+	var resp struct {
+		Code  string `json:"code"`
+		Daily []struct {
+			FxDate  string `json:"fxDate"`
+			TextDay string `json:"textDay"`
+			TempMin string `json:"tempMin"`
+			TempMax string `json:"tempMax"`
+		} `json:"daily"`
+	}
+	if json.Unmarshal(data, &resp) != nil || resp.Code != "200" {
+		return nil
+	}
+	weekdays := []string{"周日", "周一", "周二", "周三", "周四", "周五", "周六"}
+	today := time.Now().Format("2006-01-02")
+	var result []dailyItem
+	for _, d := range resp.Daily {
+		date := d.FxDate
+		if date == today {
+			date = "今天"
+		} else {
+			if t, err := time.Parse("2006-01-02", date); err == nil {
+				date = weekdays[t.Weekday()]
+			}
+		}
+		result = append(result, dailyItem{date, getWeatherIcon(d.TextDay), d.TempMin, d.TempMax})
+	}
+	return result
+}
+
+func weatherLoop() {
+	time.Sleep(3 * time.Second)
+	city := getCurrentCity()
+	log.Println("初始城市:", city.Name)
+	fetchAndPushWeather(city)
+
+	ticker := time.NewTicker(10 * time.Minute)
+	for range ticker.C {
+		city := getCurrentCity()
+		fetchAndPushWeather(city)
+	}
+}
diff --git a/wallpaper.html b/web/wallpaper.html
similarity index 100%
rename from wallpaper.html
rename to web/wallpaper.html
diff --git a/win32.go b/win32.go
new file mode 100644
index 0000000..19d2234
--- /dev/null
+++ b/win32.go
@@ -0,0 +1,84 @@
+package main
+
+import (
+	"embed"
+	"log"
+	"unsafe"
+
+	"github.com/jchv/go-webview2"
+	"golang.org/x/sys/windows"
+)
+
+//go:embed web/wallpaper.html
+var fs embed.FS
+
+var (
+	user32                  = windows.NewLazySystemDLL("user32.dll")
+	procFindWindowW         = user32.NewProc("FindWindowW")
+	procFindWindowExW       = user32.NewProc("FindWindowExW")
+	procSendMessageTimeoutW = user32.NewProc("SendMessageTimeoutW")
+	procSetParent           = user32.NewProc("SetParent")
+	procGetForegroundWindow = user32.NewProc("GetForegroundWindow")
+	procGetWindowRect       = user32.NewProc("GetWindowRect")
+	procGetSystemMetrics    = user32.NewProc("GetSystemMetrics")
+	procMoveWindow          = user32.NewProc("MoveWindow")
+	procShowWindow          = user32.NewProc("ShowWindow")
+	procSetProcessDPIAware  = user32.NewProc("SetProcessDPIAware")
+	procSetWindowLongPtrW   = user32.NewProc("SetWindowLongPtrW")
+	procGetMessageW         = user32.NewProc("GetMessageW")
+	procPostMessageW        = user32.NewProc("PostMessageW")
+	procTranslateMessage    = user32.NewProc("TranslateMessage")
+	procDispatchMessageW    = user32.NewProc("DispatchMessageW")
+)
+
+var wv webview2.WebView
+var wvHwnd uintptr
+var jsQueue = make(chan string, 64)
+var paused int32
+
+const wmEvalJS = 0x0401
+
+func evalJS(js string) {
+	select {
+	case jsQueue <- js:
+		log.Println("evalJS queued:", js[:min(len(js), 60)])
+	default:
+		log.Println("jsQueue full, dropping eval")
+	}
+	if wvHwnd != 0 {
+		procPostMessageW.Call(wvHwnd, wmEvalJS, 0, 0)
+	}
+}
+
+func min(a, b int) int {
+	if a < b {
+		return a
+	}
+	return b
+}
+
+func findWorkerW() uintptr {
+	progman, _, _ := procFindWindowW.Call(
+		uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("Progman"))), 0)
+	if progman == 0 {
+		return 0
+	}
+	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
+	}
+	ww, _, _ := procFindWindowExW.Call(progman, 0,
+		uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("WorkerW"))), 0)
+	return ww
+}
+
+func getScreenSize() (int32, int32) {
+	w, _, _ := procGetSystemMetrics.Call(0)
+	h, _, _ := procGetSystemMetrics.Call(1)
+	return int32(w), int32(h)
+}