fix熟人介绍生人人员注册接口

xueyi-modules/xueyi-system/src/main/java/com/xueyi/system/staff/controller/api/DmStaffInnerApiController.java

@@ -100,7 +100,7 @@ public class DmStaffInnerApiController extends BaseApiController {
             staffPo.setNickName(commonDto.getStaffName());
             staffPo.setUserName(commonDto.getStaffName());
             staffPo.setUserType(commonDto.getStaffType());
-            staffPo.setSex(String.valueOf(commonDto.getGender()));
+            staffPo.setSex(commonDto.getGender()!=null ? String.valueOf(commonDto.getGender()):null);
             if (StringUtils.isNotEmpty(commonDto.getStaffBase64Img())) {
                 R r = iDmResourcesService.addBase64Img(commonDto.getStaffBase64Img(), "staff-"+commonDto.getStaffName());