diff --git a/controller/visitor.go b/controller/visitor.go
index 6a5fd78..b6b5421 100644
--- a/controller/visitor.go
+++ b/controller/visitor.go
@@ -61,9 +61,9 @@ func PostVisitorLogin(c *gin.Context) {
 	avator:=""
 	userAgent := c.GetHeader("User-Agent")
 	if tools.IsMobile(userAgent) {
-		avator = "/static/images/phone.png"
+		avator = "/static/images/1.png"
 	} else {
-		avator = "/static/images/computer.png"
+		avator = "/static/images/2.png"
 	}
 
 	toId := c.PostForm("to_id")
diff --git a/static/images/1.png b/static/images/1.png
index 352ce67..5f1c076 100644
Binary files a/static/images/1.png and b/static/images/1.png differ
diff --git a/static/images/2.png b/static/images/2.png
index d94ba2a..23d05fc 100644
Binary files a/static/images/2.png and b/static/images/2.png differ