diff --git a/main.go b/main.go
index fcaa918..d778d89 100644
--- a/main.go
+++ b/main.go
@@ -1,75 +1,40 @@
 package main
 
 import (
-	"embed"
 	"encoding/json"
 	"html/template"
-	"io/ioutil"
 	"log"
 	"net/http"
-	"sync"
+	"rss-reader/globals"
+	"rss-reader/models"
+
+	"rss-reader/utils"
 	"time"
 
 	"github.com/gorilla/websocket"
-	"github.com/mmcdole/gofeed"
-)
-
-type Config struct {
-	Values         []string `json:"values"`
-	ReFresh        int      `json:"refresh"`
-	AutoUpdatePush int      `json:"autoUpdatePush"`
-}
-
-var (
-	dbMap    map[string]feed
-	rssUrls  Config
-	upgrader = websocket.Upgrader{}
-	lock     sync.RWMutex
-
-	//go:embed static
-	dirStatic embed.FS
-	//go:embed index.html
-	fileIndex embed.FS
-
-	htmlContent []byte
 )
 
 func init() {
-	// 读取配置文件
-	data, err := ioutil.ReadFile("config.json")
-	if err != nil {
-		panic(err)
-	}
-	// 解析JSON数据到Config结构体
-	err = json.Unmarshal(data, &rssUrls)
-	if err != nil {
-		panic(err)
-	}
-	// 读取 index.html 内容
-	htmlContent, err = fileIndex.ReadFile("index.html")
-	if err != nil {
-		panic(err)
-	}
-
-	dbMap = make(map[string]feed)
+	globals.Init()
 }
 
 func main() {
-	go updateFeeds()
+	go utils.UpdateFeeds()
+	go utils.WatchConfigFileChanges("config.json")
 	http.HandleFunc("/feeds", getFeedsHandler)
 	http.HandleFunc("/ws", wsHandler)
 	// http.HandleFunc("/", serveHome)
 	http.HandleFunc("/", tplHandler)
 
 	//加载静态文件
-	fs := http.FileServer(http.FS(dirStatic))
+	fs := http.FileServer(http.FS(globals.DirStatic))
 	http.Handle("/static/", fs)
 	log.Fatal(http.ListenAndServe(":8080", nil))
 }
 
 func serveHome(w http.ResponseWriter, r *http.Request) {
 	w.Header().Add("Content-Type", "text/html; charset=utf-8")
-	w.Write(htmlContent)
+	w.Write(globals.HtmlContent)
 }
 
 func tplHandler(w http.ResponseWriter, r *http.Request) {
@@ -82,19 +47,30 @@ func tplHandler(w http.ResponseWriter, r *http.Request) {
 		},
 	}
 	// 加载模板文件
-	tmpl, err := tmplInstance.Funcs(funcMap).ParseFS(fileIndex, "index.html")
+	tmpl, err := tmplInstance.Funcs(funcMap).ParseFS(globals.DirStatic, "static/index.html")
 	if err != nil {
 		log.Println("模板加载错误:", err)
 		return
 	}
 
+	//判断现在是否是夜间
+	formattedTime := time.Now().Format("15:04:05")
+	darkMode := false
+	if globals.RssUrls.NightStartTime != "" && globals.RssUrls.NightEndTime != "" {
+		if globals.RssUrls.NightStartTime > formattedTime || formattedTime > globals.RssUrls.NightEndTime {
+			darkMode = true
+		}
+	}
+
 	// 定义一个数据对象
 	data := struct {
 		Keywords    string
-		RssDataList []feed
+		RssDataList []models.Feed
+		DarkMode    bool
 	}{
 		Keywords:    getKeywords(),
-		RssDataList: getFeeds(),
+		RssDataList: utils.GetFeeds(),
+		DarkMode:    darkMode,
 	}
 
 	// 渲染模板并将结果写入响应
@@ -105,7 +81,7 @@ func tplHandler(w http.ResponseWriter, r *http.Request) {
 }
 
 func wsHandler(w http.ResponseWriter, r *http.Request) {
-	conn, err := upgrader.Upgrade(w, r, nil)
+	conn, err := globals.Upgrader.Upgrade(w, r, nil)
 	if err != nil {
 		log.Printf("Upgrade failed: %v", err)
 		return
@@ -113,10 +89,10 @@ func wsHandler(w http.ResponseWriter, r *http.Request) {
 
 	defer conn.Close()
 	for {
-		for _, url := range rssUrls.Values {
-			lock.RLock()
-			cache, ok := dbMap[url]
-			lock.RUnlock()
+		for _, url := range globals.RssUrls.Values {
+			globals.Lock.RLock()
+			cache, ok := globals.DbMap[url]
+			globals.Lock.RUnlock()
 			if !ok {
 				log.Printf("Error getting feed from db is null %v", url)
 				continue
@@ -135,83 +111,21 @@ func wsHandler(w http.ResponseWriter, r *http.Request) {
 			}
 		}
 		//如果未配置则不自动更新
-		if rssUrls.AutoUpdatePush == 0 {
+		if globals.RssUrls.AutoUpdatePush == 0 {
 			return
 		}
-		time.Sleep(time.Duration(rssUrls.AutoUpdatePush) * time.Minute)
+		time.Sleep(time.Duration(globals.RssUrls.AutoUpdatePush) * time.Minute)
 	}
 }
 
-func updateFeeds() {
-	var (
-		tick = time.Tick(time.Duration(rssUrls.ReFresh) * time.Minute)
-		fp   = gofeed.NewParser()
-	)
-	for {
-		formattedTime := time.Now().Format("2006-01-02 15:04:05")
-		for _, url := range rssUrls.Values {
-			go updateFeed(fp, url, formattedTime)
-		}
-		<-tick
-	}
-}
-
-func updateFeed(fp *gofeed.Parser, url, formattedTime string) {
-	result, err := fp.ParseURL(url)
-	if err != nil {
-		log.Printf("Error fetching feed: %v | %v", url, err)
-		return
-	}
-	//feed内容无更新时无需更新缓存
-	if cache, ok := dbMap[url]; ok &&
-		len(result.Items) > 0 &&
-		len(cache.Items) > 0 &&
-		result.Items[0].Link == cache.Items[0].Link {
-		return
-	}
-	customFeed := feed{
-		Title:  result.Title,
-		Link:   result.Link,
-		Custom: map[string]string{"lastupdate": formattedTime},
-		Items:  make([]item, 0, len(result.Items)),
-	}
-	for _, v := range result.Items {
-		customFeed.Items = append(customFeed.Items, item{
-			Link:        v.Link,
-			Title:       v.Title,
-			Description: v.Description,
-		})
-	}
-	lock.Lock()
-	defer lock.Unlock()
-	dbMap[url] = customFeed
-}
-
-//获取feeds列表
-func getFeeds() []feed {
-	feeds := make([]feed, 0, len(rssUrls.Values))
-	for _, url := range rssUrls.Values {
-		lock.RLock()
-		cache, ok := dbMap[url]
-		lock.RUnlock()
-		if !ok {
-			log.Printf("Error getting feed from db is null %v", url)
-			continue
-		}
-
-		feeds = append(feeds, cache)
-	}
-	return feeds
-}
-
 //获取关键词也就是title
 //获取feeds列表
 func getKeywords() string {
 	words := ""
-	for _, url := range rssUrls.Values {
-		lock.RLock()
-		cache, ok := dbMap[url]
-		lock.RUnlock()
+	for _, url := range globals.RssUrls.Values {
+		globals.Lock.RLock()
+		cache, ok := globals.DbMap[url]
+		globals.Lock.RUnlock()
 		if !ok {
 			log.Printf("Error getting feed from db is null %v", url)
 			continue
@@ -224,7 +138,7 @@ func getKeywords() string {
 }
 
 func getFeedsHandler(w http.ResponseWriter, r *http.Request) {
-	feeds := getFeeds()
+	feeds := utils.GetFeeds()
 
 	w.Header().Set("Content-Type", "application/json")
 	json.NewEncoder(w).Encode(feeds)