diff --git a/modules/arena/configure.go b/modules/arena/configure.go
index c929bd533..03ffc3b6b 100644
--- a/modules/arena/configure.go
+++ b/modules/arena/configure.go
@@ -12,7 +12,7 @@ import (
 const (
 	game_arenabuychallenge = "game_arenabuychallenge.json" //购买挑战记录
 	game_arenaactivereward = "game_arenaactivereward.json" //挑战奖励
-	game_arenaarobot       = "game_arenaarobot.json"       //ai配置表
+	game_arenarobot        = "game_arenarobot.json"        //ai配置表
 	game_arenarankreward   = "game_arenarankreward.json"   //比赛奖励配置
 	game_arenachallengenpc = "game_arenachallengenpc.json" //剧情表
 
@@ -34,8 +34,7 @@ func (this *configureComp) Init(service core.IService, module core.IModule, comp
 	this.module = module.(*Arena)
 	this.LoadConfigure(game_arenabuychallenge, cfg.NewGameArenaBuyChallenge)
 	this.LoadConfigure(game_arenaactivereward, cfg.NewGameArenaActiveReward)
-	this.LoadConfigure(game_arenaarobot, cfg.NewGameArenaRobot)
-	configure.RegisterConfigure(game_arenaarobot, cfg.NewGameArenaRobot, this.updateArenaRobot)
+	configure.RegisterConfigure(game_arenarobot, cfg.NewGameArenaRobot, this.updateArenaRobot)
 	this.LoadConfigure(game_arenarankreward, cfg.NewGameArenaRankReward)
 	this.LoadConfigure(game_arenachallengenpc, cfg.NewGameArenaChallengeNpc)
 
@@ -96,10 +95,11 @@ func (this *configureComp) getActiveRewardById(lv int32) (result *cfg.GameArenaA
 
 //更新ai数据表
 func (this *configureComp) updateArenaRobot() {
-	if v, err := this.GetConfigure(game_arenaarobot); err == nil {
+	if v, err := this.GetConfigure(game_arenarobot); err == nil {
 		if configure, ok := v.(*cfg.GameArenaRobot); ok {
 			this.lock.Lock()
 			defer this.lock.Unlock()
+			this.ais = make(map[int32][]*cfg.GameArenaRobotData)
 			for _, value := range configure.GetDataList() {
 				if _, ok = this.ais[value.LvId]; !ok {
 					this.ais[value.LvId] = make([]*cfg.GameArenaRobotData, 0)
diff --git a/modules/arena/modelarena.go b/modules/arena/modelarena.go
index 1b946f9c3..08be4e333 100644
--- a/modules/arena/modelarena.go
+++ b/modules/arena/modelarena.go
@@ -75,7 +75,7 @@ func (this *modelArena) queryUserHeros(uid string, heroids []string) (results []
 		return
 	}
 	results = make([]*pb.DBHero, 0)
-	if err = model.GetListObjs(uid, heroids, results); err != nil {
+	if err = model.GetListObjs(uid, heroids, &results); err != nil {
 		this.module.Errorln(err)
 		return
 	}
@@ -227,7 +227,16 @@ func (this *modelArena) matchePlayer(uid string, dan, num int32) (results []*pb.
 
 //随机用户名
 func (this *modelArena) randUserName() string {
-	return ""
+	var s = []byte("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890!@#$%^&*")
+	r := rand.New(rand.NewSource(time.Now().UnixNano() + rand.Int63n(10000)))
+	result := []byte("DWA_")
+	for i, v := range r.Perm(len(s)) {
+		result = append(result, s[v])
+		if i == 3 {
+			break
+		}
+	}
+	return string(result)
 }
 
 func (this *modelArena) getAI(mformatId int32) (ai *pb.ArenaPlayer, err error) {
@@ -273,5 +282,5 @@ func (this *modelArena) getAI(mformatId int32) (ai *pb.ArenaPlayer, err error) {
 
 //积分计算
 func (this *modelArena) integralCompute(red, bule *pb.ArenaPlayer, iswin bool) {
-	
+
 }