修复报错

accompany-admin/accompany-admin-service/src/main/java/com/accompany/admin/service/lucky/impl/LuckyGiftRewardAdminServiceImpl.java

@@ -119,6 +119,9 @@ public class LuckyGiftRewardAdminServiceImpl implements LuckyGiftRewardAdminServ
                     platformValue = gift.getGoldPrice();
                 }
             }
+            if (platformValue == null) {
+                platformValue = 0L;
+            }
             admin.setRewardName(rewardName);
             admin.setPlatformValue(platformValue);
             admin.setExpectValue((rewardRate / ONE_HUNDRED) * platformValue);