DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");

    Gson gson = new GsonBuilder()

        .registerTypeAdapter(LocalDateTime.class, new JsonDeserializer<LocalDateTime>() {

          @Override

          public LocalDateTime deserialize(JsonElement json, Type type,

              JsonDeserializationContext jsonDeserializationContext) throws JsonParseException {

            String asString = json.getAsJsonPrimitive().getAsString();

            LocalDateTime parse = LocalDateTime.parse(asString, dateTimeFormatter);

            return parse;

          }

        }).registerTypeAdapter(LocalDateTime.class, new JsonSerializer<LocalDateTime>() {

          @Override

          public JsonElement serialize(LocalDateTime localDateTime, Type srcType,

              JsonSerializationContext context) {

            return new JsonPrimitive(dateTimeFormatter.format(localDateTime));

          }

        }).create();

    Result<DbTradeInfo> result = (Result<DbTradeInfo>) gson.fromJson(

        "{\"createTime\":\"2022-04-19 00:00:32\"}"

        ,

        new TypeToken<Result<DbTradeInfo>>() {

        }.getType());

    System.out.println(result.getData().getCreateTime().getClass());

    System.out.println(gson.toJson(result));