修复同步变更管理员bug

@@ -188,7 +188,7 @@ func (unifiedUserCenterService *UnifiedUserCenterService) SyncEmployeeCallback(s
 						return nil, application.ThrowError(application.BUSINESS_ERROR, err.Error())
 					}
 					if _, err := employeeRepository.Save(employee); err != nil {
-						return false, nil
+						return false, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
 					}
 				}
 			}
@@ -213,7 +213,7 @@ func (unifiedUserCenterService *UnifiedUserCenterService) SyncEmployeeCallback(s
 		case "edit":
 			employee, err := employeeRepository.FindOne(map[string]interface{}{"uid": uid})
 			if err != nil {
-				return false, nil
+				return false, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
 			}
 			if employee == nil {
 				return false, nil
@@ -228,19 +228,19 @@ func (unifiedUserCenterService *UnifiedUserCenterService) SyncEmployeeCallback(s
 				return nil, application.ThrowError(application.BUSINESS_ERROR, err.Error())
 			}
 			if _, err := employeeRepository.Save(employee); err != nil {
-				return false, nil
+				return false, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
 			}
 			break
 		case "batchDelete":
 			err := employeeDao.BatchRemove(uids)
 			if err != nil {
-				return false, nil
+				return false, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
 			}
 			break
 		case "batchForbid":
 			err := employeeDao.BatchSetStatus(uids, status)
 			if err != nil {
-				return false, nil
+				return false, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
 			}
 			break
 		default:
@@ -255,7 +255,7 @@ func (unifiedUserCenterService *UnifiedUserCenterService) SyncEmployeeCallback(s
 		case "changeAdmin":
 			err := employeeDao.ChangePrincipal(companyId, employeeAccount)
 			if err != nil {
-				return false, nil
+				return false, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
 			}
 			break
 		default: