diff --git a/object/check.go b/object/check.go
index 2d8bae2b..57f56336 100644
--- a/object/check.go
+++ b/object/check.go
@@ -1,5 +1,7 @@
 package object
 
+import "fmt"
+
 func CheckUserRegister(userId string, password string) string {
 	if len(userId) == 0 || len(password) == 0 {
 		return "username and password cannot be blank"
@@ -22,10 +24,14 @@ func CheckUserLogin(userId string, password string) string {
 	return ""
 }
 
+func (user *User) getId() string {
+	return fmt.Sprintf("%s/%s", user.Owner, user.Name)
+}
+
 func HasMail(email string) string {
 	user := GetMail(email)
 	if user != nil {
-		return user.Email
+		return user.getId()
 	}
 	return ""
 }
@@ -33,7 +39,7 @@ func HasMail(email string) string {
 func HasGithub(github string) string {
 	user := GetGithub(github)
 	if user != nil {
-		return user.Github
+		return user.getId()
 	}
 	return ""
 }
diff --git a/web/public/index.html b/web/public/index.html
index 9f65892d..00b1292a 100644
--- a/web/public/index.html
+++ b/web/public/index.html
@@ -9,7 +9,7 @@
       name="description"
       content="Web site created using create-react-app"
     />
-    <link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
+    <link rel="apple-touch-icon" href="%PUBLIC_URL%/favicon.png" />
     <!--
       manifest.json provides metadata used when your web app is installed on a
       user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/