diff --git a/models/user.go b/models/user.go
index 1aa7dac27..0103a6c0b 100755
--- a/models/user.go
+++ b/models/user.go
@@ -188,6 +188,11 @@ type SearchOrganizationsOptions struct {
 	All bool
 }
 
+// GenerateRandomAvatar generates a random avatar for user.
+func (u *User) IsBindWechat() bool {
+	return u.WechatOpenId != ""
+}
+
 // ColorFormat writes a colored string to identify this struct
 func (u *User) ColorFormat(s fmt.State) {
 	log.ColorFprintf(s, "%d:%s",