发布bom求购时，如果单位用量为空，默认取1

src/main/java/com/uas/platform/b2c/trade/seek/service/impl/SeekPurchaseBomServiceImpl.java

@@ -806,7 +806,7 @@ public class SeekPurchaseBomServiceImpl implements SeekPurchaseBomService {
                 inquiryItem.setSource("MALL");
                 inquiryItem.setUserName(user.getUserName());
                 inquiryItem.setUserTel(user.getUserTel());
-                inquiryItem.setNeedquantity(batch.getAmount() * count);
+                inquiryItem.setNeedquantity(null != batch.getAmount() ? batch.getAmount() * count : count);
                 inquiryItem.setInbrand(batch.getBrand());
                 inquiryItem.setCurrency(batch.getCurrency());
                 inquiryItem.setCmpCode(batch.getCode().toUpperCase());