for all user with id less than zero

Author: lunny

models/user/avatar.go

@@ -63,7 +63,7 @@ func GenerateRandomAvatar(ctx context.Context, u *User) error {
 func (u *User) AvatarLinkWithSize(ctx context.Context, size int) string {
 	// ghost user was deleted, Gitea actions is a bot user, 0 means the user should be a virtual user
 	// which comes from git configure information
-	if u.IsGhost() || u.IsGiteaActions() || u.ID == 0 {
+	if u.IsGhost() || u.IsGiteaActions() || u.ID < 0 {
 		return avatars.DefaultAvatarLink()
 	}