diff --git a/rule/block_star_chain_settlement.go b/rule/block_star_chain_settlement.go
index 484e87b..0c2fd15 100644
--- a/rule/block_star_chain_settlement.go
+++ b/rule/block_star_chain_settlement.go
@@ -37,6 +37,7 @@ func DailySettlementBlockStarChain(engine *xorm.Engine, mid string) (err error)
 	}()
 	session.Begin()
 	now := time.Now()
+	today := now.Format("2006-01-02")
 
 	//1、查找 `block_star_chain` 基础设置
 	blockStarChain, err := db.BlockStarChainGetOneByParams(session, map[string]interface{}{
@@ -47,6 +48,10 @@ func DailySettlementBlockStarChain(engine *xorm.Engine, mid string) (err error)
 		_ = session.Rollback()
 		return err
 	}
+	if blockStarChain.SettlementDate == today {
+		_ = session.Rollback()
+		return errors.New("今日“区块星链”已结算")
+	}
 	//initialCoinTotal := zhios_order_relate_utils.StrToFloat64(blockStarChain.InitialCoinTotal)             //初始区块币总量
 	todayPublishCoin := zhios_order_relate_utils.StrToFloat64(blockStarChain.TodayPublishCoin)             //今日区块币发行数量(若为0,则按当前每日区块币发行数量)
 	nowEverydayPublishCoin := zhios_order_relate_utils.StrToFloat64(blockStarChain.NowEverydayPublishCoin) //当前每日区块币发行数量
@@ -145,6 +150,18 @@ func DailySettlementBlockStarChain(engine *xorm.Engine, mid string) (err error)
 		return err
 	}
 
+	//7、更新 block_star_chain 中的 settlement_date 字段
+	blockStarChain.SettlementDate = today
+	updateAffected, err := db.BlockStarChainUpdate(session, blockStarChain.Id, blockStarChain, "settlement_date")
+	if err != nil {
+		_ = session.Rollback()
+		return err
+	}
+	if updateAffected == 0 {
+		_ = session.Rollback()
+		return errors.New("更新 block_star_chain 的 settlement_date 记录失败")
+	}
+
 	err = session.Commit()
 	if err != nil {
 		_ = session.Rollback()