更新 main.go

main.go

@@ -96,12 +96,14 @@ func main() {
 }
 
 func monitor() {
-	for {
+	rand.Seed(time.Now().UnixNano())
+	ticker := time.NewTicker(checkInterval)
+	defer ticker.Stop()
+	
+	for range ticker.C {
 		delay := time.Duration(rand.Intn(3600)) * time.Second
 		time.Sleep(delay)
-
 		checkAndDownload()
-		time.Sleep(checkInterval)
 	}
 }