参数 username 和 password 居然时有时无：
情况一：username 取到的值是 null，password 取的值是 username 的值

    @At
    @Aop("redis")
    @Ok("json:{locked:'password',nullAsEmtry:true,compact:true}")
    public Map<String, Object> bind(String username, String password,
                                    HttpServletResponse response) {
        String respText = AccountService.bindAccount(username, password);
        Map<String, Object> respMap = Json.fromJsonAsMap(Object.class, respText);
        if ((Integer) respMap.get("code") == 0) {
            String token = R.UU32();
            jedis().hset(token, "username", username);
            jedis().hset(token, "password", password);
            response.setHeader("Authorization", new BASE64Encoder().encode(Strings.getBytesUTF8(token)));
        }

        return respMap;
    }

情况二：正常

    @At
    @Aop("redis")
    @Ok("json:{locked:'password',nullAsEmtry:true,compact:true}")
    public Map<String, Object> bind(String username, String password,
                                    HttpServletResponse response) {
        String respText = AccountService.bindAccount(username, password);
        Map<String, Object> respMap = Json.fromJsonAsMap(Object.class, respText);
       /* if ((Integer) respMap.get("code") == 0) {
            String token = R.UU32();
            jedis().hset(token, "username", username);
            jedis().hset(token, "password", password);
            response.setHeader("Authorization", new BASE64Encoder().encode(Strings.getBytesUTF8(token)));
        }*/

        return respMap;
    }

情况三：正常

    @At
    @Aop("redis")
    @Ok("json:{locked:'password',nullAsEmtry:true,compact:true}")
    public Map<String, Object> bind(@Param("username") String username, @Param("password") String password,
                                    HttpServletResponse response) {
        String respText = AccountService.bindAccount(username, password);
        Map<String, Object> respMap = Json.fromJsonAsMap(Object.class, respText);
        if ((Integer) respMap.get("code") == 0) {
            String token = R.UU32();
            jedis().hset(token, "username", username);
            jedis().hset(token, "password", password);
            response.setHeader("Authorization", new BASE64Encoder().encode(Strings.getBytesUTF8(token)));
        }

        return respMap;
    }