修改邀请详情bug

alien-store/src/main/java/shop/alien/store/service/impl/ActivityInviteConfigServiceImpl.java

@@ -84,7 +84,7 @@ public class ActivityInviteConfigServiceImpl extends ServiceImpl<ActivityInviteC
 
     @Override
     public ActivityInviteConfigVo getInviteActivitySignInConfigById(Long id) {
-        ActivityInviteConfig activityInviteConfig = new ActivityInviteConfig();
+        ActivityInviteConfig activityInviteConfig = null;
         if(id != null && id > 0){
             activityInviteConfig = activityInviteConfigMapper.selectById(id);
         } else {
@@ -97,7 +97,9 @@ public class ActivityInviteConfigServiceImpl extends ServiceImpl<ActivityInviteC
             }
         }
         ActivityInviteConfigVo activityInviteConfigVo = new ActivityInviteConfigVo();
-        BeanUtils.copyProperties(activityInviteConfig, activityInviteConfigVo);
+        if(activityInviteConfig != null){
+            BeanUtils.copyProperties(activityInviteConfig, activityInviteConfigVo);
+        }
         return activityInviteConfigVo;
     }