feat: 调整判断网络状态方式

util/checker.go

@@ -1,22 +1,17 @@
 package util
 
-import (
-	"context"
-	"net"
-)
+import "github.com/Mmx233/tool"
 
 type checker struct{}
 
 var Checker checker
 
 func (checker) NetOk() bool {
-	r := &net.Resolver{ //指定DNS，防止本地DNS缓存影响
-		PreferGo: true,
-		Dial:     NetDailEr(),
-	}
-	if ip, err := r.LookupIP(context.Background(), "ip4", "www.msftconnecttest.com"); err != nil { //通过DNS确认是否在线
-		return false
-	} else if len(ip) == 0 || ip[0].String() != "13.107.4.52" {
+	h, _, e := tool.HTTP.GetBytes(&tool.GetRequest{
+		Url:      "https://www.baidu.com/",
+		Redirect: false,
+	})
+	if e != nil || h.Get("Location") != "" {
 		return false
 	}
 	return true