diff --git a/proxy/http.go b/proxy/http.go
index b41fd31..3d39f2f 100644
--- a/proxy/http.go
+++ b/proxy/http.go
@@ -33,11 +33,13 @@ import (
 
 	"net/http"
 	"net/url"
+	"io/ioutil"
+	"strings"
 )
 
 var (
 	HttpProxyProtocol = []string{"http", "https"}
-	WebUrl            = "http://www.163.com"
+	WebUrl            = "http://email.163.com/"
 )
 
 func CheckHttpProxy(ip string, port int, protocol string) (err error, isProxy bool, proxyInfo models.ProxyInfo) {
@@ -53,8 +55,12 @@ func CheckHttpProxy(ip string, port int, protocol string) (err error, isProxy bo
 		util.Log.Debugf("Checking proxy: %v", rawProxyUrl)
 		resp, err := client.Get(WebUrl)
 		if err == nil {
-			if resp.StatusCode >= http.StatusOK {
-				isProxy = true
+			if resp.StatusCode == http.StatusOK {
+				body, err := ioutil.ReadAll(resp.Body)
+				if err == nil && strings.Contains(string(body), "网易免费邮箱") {
+					isProxy = true
+				}
+
 			}
 		}
 	}
diff --git a/proxy/socks.go b/proxy/socks.go
index 6203e99..a6dcd5d 100644
--- a/proxy/socks.go
+++ b/proxy/socks.go
@@ -25,13 +25,16 @@ THE SOFTWARE.
 package proxy
 
 import (
-	"net/http"
 	"h12.me/socks"
 
 	"proxy_scanner/models"
 	"proxy_scanner/util"
+
 	"fmt"
 	"time"
+	"net/http"
+	"io/ioutil"
+	"strings"
 )
 
 var (
@@ -53,8 +56,11 @@ func CheckSockProxy(ip string, port, protocol int) (err error, isProxy bool, pro
 	util.Log.Debugf("Checking proxy: %v", fmt.Sprintf("%v://%v:%v", SockProxyProtocol[protocol], ip, port))
 	resp, err := httpClient.Get(WebUrl)
 	if err == nil {
-		if resp.StatusCode >= http.StatusOK {
-			isProxy = true
+		if resp.StatusCode == http.StatusOK {
+			body, err := ioutil.ReadAll(resp.Body)
+			if err == nil && strings.Contains(string(body), "网易免费邮箱") {
+				isProxy = true
+			}
 		}
 	}
 	return err, isProxy, proxyInfo