diff --git a/src/server/game/champship_mgr.go b/src/server/game/champship_mgr.go
index 37e84737..fe777854 100644
--- a/src/server/game/champship_mgr.go
+++ b/src/server/game/champship_mgr.go
@@ -1,9 +1,11 @@
 package game
 
 import (
+	"fmt"
 	"math"
 	champshipCfg "server/conf/champship"
 	randnameCfg "server/conf/randname"
+	"server/db"
 	"server/game/mod/msg"
 	GoUtil "server/game_util"
 	proto "server/msg"
@@ -116,37 +118,72 @@ func (c *ChampshipMgr) ZeroUpdate() (interface{}, error) {
 	log.Debug("ChampshipMgr ZeroUpdate")
 	data := c.getData()
 	data.mu.Lock()
-	defer data.mu.Unlock()
 	data.ZeroTime = GoUtil.ZeroTimestamp()
-	data.PreRank = data.Rank
-	data.PreRobot = data.Robot
-	data.PreGroupInfo = data.GroupInfo
+	// 深拷贝 map，避免多个协程持有同一个 map 引用导致并发读写
+	oldRank := make(map[int][]*ChampshipRank, len(data.Rank))
+	for k, v := range data.Rank {
+		oldRank[k] = v
+	}
+	oldRobot := make(map[int]*ChampshipRobot, len(data.Robot))
+	for k, v := range data.Robot {
+		oldRobot[k] = v
+	}
+	oldGroupInfo := make(map[int]int, len(data.GroupInfo))
+	for k, v := range data.GroupInfo {
+		oldGroupInfo[k] = v
+	}
+
+	data.PreRank = oldRank
+	data.PreRobot = oldRobot
+	data.PreGroupInfo = oldGroupInfo
 	data.AutoId = 0
 	data.RobotId = 1
 	data.Robot = make(map[int]*ChampshipRobot, 0)
 	data.Rank = make(map[int][]*ChampshipRank, 0)
 	data.GroupInfo = make(map[int]int, 0)
 	c.update = true
+	// 0点更新排行榜缓存
+	for k := range data.PreGroupInfo {
+		c.SetRankCache(k)
+	}
+	data.mu.Unlock()
+
 	c.mDispatr.AfterFunc(time.Duration(GoUtil.NextZeroTimestampDuration())*time.Second, func() {
 		c.ZeroUpdate()
 	})
-	c.NotifyPlayer()
 	c.mDispatr.AfterFunc(time.Duration(1800)*time.Second, func() {
 		c.NotifyAll()
 	})
+	// 在锁外通知玩家，避免在持有锁时调用外部函数
+	go c.NotifyPlayer()
 	return nil, nil
 }
 
 func (c *ChampshipMgr) NotifyPlayer() {
-	List := c.getData().PreRank
-	for _, v := range List {
-		for i := 0; i < 3; i++ {
+	data := c.getData()
+	data.mu.RLock()
+	// 深拷贝需要通知的数据，避免在锁外访问 map
+	notifyList := make([]struct {
+		Uid  int
+		Rank int
+	}, 0)
+	for _, v := range data.PreRank {
+		for i := 0; i < 3 && i < len(v); i++ {
 			if v[i].Type == RANK_PLAYER_ROBOT {
 				continue
 			}
-			NotifyChampshipResult(v[i].Uid, i+1)
+			notifyList = append(notifyList, struct {
+				Uid  int
+				Rank int
+			}{Uid: v[i].Uid, Rank: i + 1})
 		}
 	}
+	data.mu.RUnlock()
+
+	// 在锁外通知，避免持锁时间过长
+	for _, item := range notifyList {
+		NotifyChampshipResult(item.Uid, item.Rank)
+	}
 }
 
 func (c *ChampshipMgr) ai() (interface{}, error) {
@@ -154,6 +191,7 @@ func (c *ChampshipMgr) ai() (interface{}, error) {
 	ChampshipData.mu.Lock()
 	defer ChampshipData.mu.Unlock()
 	Now := GoUtil.Now()
+	uids := make(map[int]struct{})
 	for k, v := range ChampshipData.Rank {
 		Notify := make(map[int]int)
 		for e, r := range v {
@@ -190,18 +228,26 @@ func (c *ChampshipMgr) ai() (interface{}, error) {
 				continue
 			}
 			if Notify[r.Uid] != e {
-				NotifyPlayer(r.Uid, &msg.Msg{
-					Type: msg.HANDLE_TYPE_CHAMPSHIP_NOTIFY,
-				})
+				c.SetRankCache(r.Uid)
+				uids[r.Uid] = struct{}{}
 			}
 		}
 		ChampshipData.Rank[k] = v
 	}
+
+	// 在锁外通知玩家，避免在持锁时启动 goroutine 访问可能被并发修改的数据
+	for uid := range uids {
+		go NotifyPlayer(uid, &msg.Msg{
+			Type: msg.HANDLE_TYPE_CHAMPSHIP_NOTIFY,
+		})
+	}
+
 	c.mDispatr.AfterFunc(time.Duration(60)*time.Second, func() {
 		c.ai()
 	})
 	return nil, nil
 }
+
 func (c *ChampshipMgr) GetPreRankMsg(Uid int) *proto.ResChampshipPreRank {
 	ChampshipData := c.getData()
 	ChampshipData.mu.RLock()
@@ -403,12 +449,20 @@ func (c *ChampshipMgr) group() (interface{}, error) {
 		}
 	}
 
-	for k := range ChampshipData.Pool { // 分组完成通知
-		NotifyPlayer(k, &msg.Msg{
+	// 收集需要通知的玩家
+	notifyList := make([]int, 0, len(ChampshipData.Pool))
+	for k := range ChampshipData.Pool {
+		c.SetRankCache(k) // SetRankCache 使用 unsafe 方法，在持有锁时是安全的
+		notifyList = append(notifyList, k)
+	}
+	c.getData().Pool = make(map[int]*GroupInfo) // 清空未分配池
+
+	// 在锁外通知玩家，避免在持有锁时调用外部函数
+	for _, uid := range notifyList {
+		go NotifyPlayer(uid, &msg.Msg{
 			Type: msg.HANDLE_TYPE_CHAMPSHIP_NOTIFY,
 		})
 	}
-	c.getData().Pool = make(map[int]*GroupInfo) // 清空未分配池
 	return nil, nil
 }
 
@@ -427,11 +481,19 @@ func (c *ChampshipMgr) getGroupId(Uid int) int {
 
 // 进去榜单
 func (c *ChampshipMgr) inRank(m *msg.Msg) (interface{}, error) {
+	data := m.Extra.(CRank)
+	// 在加锁前获取 GroupId，避免在持有写锁时调用会获取读锁的 getGroupId 导致死锁
+	GroupId := c.getGroupId(data.Uid)
+
 	ChampshipData := c.getData()
 	ChampshipData.mu.Lock()
 	defer ChampshipData.mu.Unlock()
-	data := m.Extra.(CRank)
-	GroupId := c.getGroupId(data.Uid)
+
+	// 再次检查 GroupId，因为可能在等待锁期间被其他协程修改
+	if currentGroupId, ok := ChampshipData.GroupInfo[data.Uid]; ok {
+		GroupId = currentGroupId
+	}
+
 	if GroupId == 0 {
 		ChampshipData.Pool[data.Uid] = &GroupInfo{
 			Uid:   data.Uid,
@@ -475,15 +537,23 @@ func (c *ChampshipMgr) inRank(m *msg.Msg) (interface{}, error) {
 		}
 		return false
 	})
+	// 收集需要通知的玩家
+	notifyList := make([]int, 0)
 	for k, v := range RankList {
 		if Notify[v.Uid] != k {
-			NotifyPlayer(v.Uid, &msg.Msg{
-				Type: msg.HANDLE_TYPE_CHAMPSHIP_NOTIFY,
-			})
+			c.SetRankCache(v.Uid)
+			notifyList = append(notifyList, v.Uid)
 		}
 	}
 
 	ChampshipData.Rank[GroupId] = RankList
+
+	// 在锁外通知玩家
+	for _, uid := range notifyList {
+		go NotifyPlayer(uid, &msg.Msg{
+			Type: msg.HANDLE_TYPE_CHAMPSHIP_NOTIFY,
+		})
+	}
 	return nil, nil
 }
 
@@ -507,7 +577,44 @@ func (c *ChampshipMgr) getMyRank(Uid int) int {
 	return 0
 }
 
+func (c *ChampshipMgr) unsafe_getMyRank(Uid int) int {
+	ChampshipData := c.getData()
+	GroupId := ChampshipData.GroupInfo[Uid]
+	if GroupId == 0 {
+		return 0
+	}
+	RankList, ok := ChampshipData.Rank[GroupId]
+	if !ok {
+		return 0
+	}
+	for k, v := range RankList {
+		if v.Uid == Uid {
+			return k + 1
+		}
+	}
+	return 0
+}
+
 func (c *ChampshipMgr) getLastMyRank(Uid int) int {
+	ChampshipData := c.getData()
+	ChampshipData.mu.RLock()
+	defer ChampshipData.mu.RUnlock()
+	GroupId := ChampshipData.PreGroupInfo[Uid]
+	if GroupId == 0 {
+		return 0
+	}
+	RankList, ok := ChampshipData.PreRank[GroupId]
+	if !ok {
+		return 0
+	}
+	for k, v := range RankList {
+		if v.Uid == Uid {
+			return k + 1
+		}
+	}
+	return 0
+}
+func (c *ChampshipMgr) unsafe_getLastMyRank(Uid int) int {
 	ChampshipData := c.getData()
 	GroupId := ChampshipData.PreGroupInfo[Uid]
 	if GroupId == 0 {
@@ -736,3 +843,23 @@ func CreateRobot(M float64, GroupId int) *ChampshipRobot {
 		PerScore: PerScore,
 	}
 }
+
+func (c *ChampshipMgr) SetRankCache(Uid int) {
+	PreRank := c.unsafe_getLastMyRank(Uid)
+	Rank := c.unsafe_getMyRank(Uid)
+	PreGroupId := c.getData().PreGroupInfo[Uid]
+	GroupId := c.getData().GroupInfo[Uid]
+	key := fmt.Sprintf("champship_rank_cache_%d", Uid)
+	db.RedisSetKey(key, fmt.Sprintf("%d_%d_%d_%d", PreRank, Rank, PreGroupId, GroupId), 86400*2)
+}
+
+func GetRankCache(Uid int) (int, int, int, int) {
+	key := fmt.Sprintf("champship_rank_cache_%d", Uid)
+	data, err := db.RedisGetKey(key)
+	if err != nil || data == "" {
+		return 0, 0, 0, 0
+	}
+	var PreRank, Rank, PreGroupId, GroupId int
+	fmt.Sscanf(data, "%d_%d_%d_%d", &PreRank, &Rank, &PreGroupId, &GroupId)
+	return PreRank, Rank, PreGroupId, GroupId
+}
diff --git a/src/server/game/player_back.go b/src/server/game/player_back.go
index cb327656..57ad6ed8 100644
--- a/src/server/game/player_back.go
+++ b/src/server/game/player_back.go
@@ -5,7 +5,6 @@ import (
 	playroomCfg "server/conf/playroom"
 	"server/game/mod/item"
 	limitedTimeEvent "server/game/mod/limited_time_event"
-	"server/game/mod/msg"
 	GoUtil "server/game_util"
 	proto "server/msg"
 )
@@ -295,22 +294,14 @@ func (p *Player) ChargeBackData() {
 
 func (p *Player) BackChampship() {
 	ChampshipMod := p.PlayMod.getChampshipMod()
-	MyRank, MyPreRank := p.GetChampshipRank()
-	p.PushClientRes(ChampshipMod.BackData(MyRank, MyPreRank))
+	rank, preRank := p.GetChampshipRank()
+	p.PushClientRes(ChampshipMod.BackData(preRank, rank))
 }
 
+// 获取冠军赛排名 redis缓存
 func (p *Player) GetChampshipRank() (int, int) {
-	MyRank := 0
-	MyPreRank := 0
-	res, _ := SendMsgToCenterSync(&msg.Msg{
-		From:       int(p.M_DwUin),
-		HandleType: msg.HANDLE_MOD_CHAMPSHIP_RANK_INFO,
-	})
-	if res != nil {
-		MyRank = res.Extra.([]int)[0]
-		MyPreRank = res.Extra.([]int)[1]
-	}
-	return MyRank, MyPreRank
+	preRank, rank, _, _ := GetRankCache(int(p.M_DwUin))
+	return rank, preRank
 }
 
 // 返回好友信息
diff --git a/src/server/game_util/mapUtil.go b/src/server/game_util/mapUtil.go
index 26aa25c8..6fc931e0 100644
--- a/src/server/game_util/mapUtil.go
+++ b/src/server/game_util/mapUtil.go
@@ -95,3 +95,14 @@ func DiffMap(a, b map[int]int) map[int]int {
 	}
 	return diff
 }
+
+func GetMapIntValueByKey(m interface{}, key string) int {
+	mi, ok := m.(map[string]interface{})
+	if !ok {
+		return 0
+	}
+	if v, ok := mi[key]; ok {
+		return Int(v)
+	}
+	return 0
+}