public async Task <string> ChangePasswordAsync([FromForm] ChangePasswordModel item) { var result = new BaseResult(); if (!ModelState.IsValid) { result.ResultCode = ResultCodeAddMsgKeys.CommonModelStateInvalidCode; result.ResultMsg = ToErrorString(ModelState, "||"); } else { result = await _service.ChangePasswordAsync(item); } return(JsonHelper.ObjectToJSON(result)); }