1、优化getUsersAfterID中case未使用fallthrough的缺陷；

app/admin/models/marketing.go

@@ -542,6 +542,7 @@ func getUsersAfterID(lastUserID, userType uint32) ([]UserInfo, error) {
 			MemberLevelGold, MemberLevelPeriod, MemberLevelPlatinum, MemberLevelBlackGold}).
 			Order("id asc").Limit(100).Find(&users).Error
 	case 1: // 1-所有人：不限制会员等级，所有人均可领取
+		fallthrough
 	default:
 		err = orm.Eloquent.Model(&UserInfo{}).Where("id > ?", lastUserID).
 			Order("id asc").Limit(100).Find(&users).Error