diff --git a/controller/response.go b/controller/response.go
index ebe4b10..41c985f 100644
--- a/controller/response.go
+++ b/controller/response.go
@@ -27,3 +27,7 @@ type GetuiResponse struct {
 	Msg  string                 `json:"msg"`
 	Data map[string]interface{} `json:"data"`
 }
+type VisitorExtra struct {
+	VisitorName   string `json:"visitorName"`
+	VisitorAvatar string `json:"visitorAvatar"`
+}
diff --git a/controller/visitor.go b/controller/visitor.go
index 98cc9ce..99f8e15 100644
--- a/controller/visitor.go
+++ b/controller/visitor.go
@@ -1,6 +1,7 @@
 package controller
 
 import (
+	"encoding/json"
 	"fmt"
 	"github.com/gin-gonic/gin"
 	"github.com/taoshihan1991/imaptool/config"
@@ -62,7 +63,7 @@ func PostVisitorLogin(c *gin.Context) {
 	avator := fmt.Sprintf("/static/images/%d.jpg", rand.Intn(14))
 	toId := c.PostForm("to_id")
 	id := c.PostForm("visitor_id")
-	extra := c.PostForm("extra")
+
 	if id == "" {
 		id = tools.Uuid()
 	}
@@ -79,6 +80,21 @@ func PostVisitorLogin(c *gin.Context) {
 		name = "匿名网友"
 	}
 	client_ip := c.ClientIP()
+	extra := c.PostForm("extra")
+	extraJson := tools.Base64Decode(extra)
+	//log.Println(extra, extraJson, "aaaaaaaaaaaaa")
+	if extraJson != "" {
+		var extraObj VisitorExtra
+		err := json.Unmarshal([]byte(extraJson), &extraObj)
+		if err == nil {
+			if extraObj.VisitorName != "" {
+				name = extraObj.VisitorName
+			}
+			if extraObj.VisitorAvatar != "" {
+				avator = extraObj.VisitorAvatar
+			}
+		}
+	}
 	//log.Println(name,avator,c.ClientIP(),toId,id,refer,city,client_ip)
 	if name == "" || avator == "" || toId == "" || id == "" || refer == "" || city == "" || client_ip == "" {
 		c.JSON(200, gin.H{
diff --git a/models/visitors.go b/models/visitors.go
index 6252219..3e692b9 100644
--- a/models/visitors.go
+++ b/models/visitors.go
@@ -18,7 +18,7 @@ func CreateVisitor(name, avator, sourceIp, toId, visitorId, refer, city, clientI
 	old := FindVisitorByVistorId(visitorId)
 	if old.Name != "" {
 		//更新状态上线
-		UpdateVisitor(visitorId, 1, clientIp, sourceIp, refer, extra)
+		UpdateVisitor(name, avator, visitorId, 1, clientIp, sourceIp, refer, extra)
 		return
 	}
 	v := &Visitor{
@@ -67,13 +67,15 @@ func UpdateVisitorStatus(visitorId string, status uint) {
 	visitor := Visitor{}
 	DB.Model(&visitor).Where("visitor_id = ?", visitorId).Update("status", status)
 }
-func UpdateVisitor(visitorId string, status uint, clientIp string, sourceIp string, refer, extra string) {
+func UpdateVisitor(name, avator, visitorId string, status uint, clientIp string, sourceIp string, refer, extra string) {
 	visitor := &Visitor{
 		Status:   status,
 		ClientIp: clientIp,
 		SourceIp: sourceIp,
 		Refer:    refer,
 		Extra:    extra,
+		Name:     name,
+		Avator:   avator,
 	}
 	DB.Model(visitor).Where("visitor_id = ?", visitorId).Update(visitor)
 }
diff --git a/static/html/index.html b/static/html/index.html
index 65caa45..85f2f6e 100644
--- a/static/html/index.html
+++ b/static/html/index.html
@@ -21,12 +21,16 @@
 <!--对接客服代码-->
 <script src="/static/js/gofly-front.js?v=1"></script>
 <script>
+    var refer=document.referrer;
+    if(refer==""){
+        refer="无";
+    }
     GOFLY.init({
         GOFLY_URL:"",
         GOFLY_KEFU_ID: "kefu2",
         GOFLY_BTN_TEXT: "{{.OnlineChat}}",
         GOFLY_LANG:"{{.Lang}}",
-        GOFLY_EXTRA:'{"refer":"'+document.referrer+'"}',
+        GOFLY_EXTRA:'{"refer":"'+refer+'"}',
     })
 </script>
 <!--//对接客服代码-->
diff --git a/static/js/chat-main.js b/static/js/chat-main.js
index 0776f1c..6656d79 100644
--- a/static/js/chat-main.js
+++ b/static/js/chat-main.js
@@ -390,6 +390,7 @@ var app=new Vue({
                                 if(extra[key]==""){
                                     extra[key]="无";
                                 }
+                                if(key=="visitorAvatar"||key=="visitorName") continue;
                                 var temp={key:key,val:extra[key]}
                                 _this.visitorExtra.push(temp);
                             }
diff --git a/static/js/chat-page.js b/static/js/chat-page.js
index fddc287..d4bebb4 100644
--- a/static/js/chat-page.js
+++ b/static/js/chat-page.js
@@ -162,6 +162,18 @@ new Vue({
             }
                 let _this=this;
                 var extra=getQuery("extra");
+                if(extra!=""){
+                    var extraJson=JSON.parse(window.atob(extra))
+                    for(var key in extraJson){
+                        if(extraJson[key]==""){
+                            _this.$message({
+                                message: "用户扩展信息错误",
+                                type: 'error'
+                            });
+                            return;
+                        }
+                    }
+                }
                 //发送消息
                 $.post("/visitor_login",{visitor_id:visitor_id,refer:REFER,to_id:KEFU_ID,extra:extra},function(res){
                     if(res.code!=200){
diff --git a/tools/hash.go b/tools/hash.go
index 5eb9dff..c6754f6 100644
--- a/tools/hash.go
+++ b/tools/hash.go
@@ -3,7 +3,9 @@ package tools
 import (
 	"crypto/md5"
 	"crypto/sha256"
+	"encoding/base64"
 	"encoding/hex"
+	"strings"
 )
 
 //md5加密
@@ -21,3 +23,19 @@ func Sha256(src string) string {
 	res := hex.EncodeToString(m.Sum(nil))
 	return res
 }
+func Base64Decode(str string) string {
+	reader := strings.NewReader(str)
+	decoder := base64.NewDecoder(base64.RawStdEncoding, reader)
+	// 以流式解码
+	buf := make([]byte, 1024)
+	// 保存解码后的数据
+	dst := ""
+	for {
+		n, err := decoder.Read(buf)
+		dst += string(buf[:n])
+		if n == 0 || err != nil {
+			break
+		}
+	}
+	return dst
+}