func (p *PuppetService) FriendshipSearchWeixin(weixin string) (string, error) {
    log.Tracef("PuppetService FriendshipSearchWeixin(%s)\n", weixin)
    response, err := p.grpcClient.FriendshipSearchWeixin(context.Background(), &pbwechatypuppet.FriendshipSearchHandleRequest{
        Weixin: weixin,
    })