解绑个人桩，校验桩号是否为空

jsowell-admin/src/main/java/com/jsowell/api/uniapp/customer/PersonPileController.java

@@ -118,6 +118,9 @@ public class PersonPileController extends BaseController {
         try {
             String memberId = getMemberIdByAuthorization(request);
             dto.setMemberId(memberId);
+            if (StringUtils.isBlank(dto.getPileSn())) {
+                throw new BusinessException(ReturnCodeEnum.CODE_PARAM_NOT_NULL_ERROR);
+            }
             int i = pileService.userUnbindPile(dto);
             response = new RestApiResponse<>(i);
         } catch (BusinessException e) {