diff --git a/modules/arena/api_buy.go b/modules/arena/api_buy.go
index 433fd6819..0452616c8 100644
--- a/modules/arena/api_buy.go
+++ b/modules/arena/api_buy.go
@@ -20,6 +20,7 @@ func (this *apiComp) BuyCheck(session comm.IUserSession, req *pb.ArenaBuyReq) (c
 ///获取自己的排行榜信息
 func (this *apiComp) Buy(session comm.IUserSession, req *pb.ArenaBuyReq) (code pb.ErrorCode, data proto.Message) {
 	var (
+		global    *cfg.GameGlobalData
 		info      *pb.DBArenaUser
 		challenge *cfg.GameArenaBuyChallengeData
 		need      []*cfg.Gameatn
@@ -32,7 +33,11 @@ func (this *apiComp) Buy(session comm.IUserSession, req *pb.ArenaBuyReq) (code p
 		code = pb.ErrorCode_CacheReadError
 		return
 	}
-
+	global = this.module.configure.GetGlobalConf()
+	if info.Ticket+req.BuyNum > global.ArenaTicketMax {
+		code = pb.ErrorCode_ArenaTicketBuyUp
+		return
+	}
 	need = make([]*cfg.Gameatn, 0)
 	for i := int32(0); i < req.BuyNum; i++ {
 		if challenge, err = this.module.configure.GetchallengeData(info.Buynum + i + 1); err != nil {
diff --git a/pb/errorcode.pb.go b/pb/errorcode.pb.go
index 8b15078fb..f294aae19 100644
--- a/pb/errorcode.pb.go
+++ b/pb/errorcode.pb.go
@@ -197,6 +197,8 @@ const (
 	ErrorCode_LibraryLvReward   ErrorCode = 2805 // 领奖等级没达到
 	// Battle
 	ErrorCode_BattleValidationFailed ErrorCode = 2901 //战斗校验失败
+	// Arena
+	ErrorCode_ArenaTicketBuyUp ErrorCode = 3001 // 挑战票据到达上限
 )
 
 // Enum value maps for ErrorCode.
@@ -358,6 +360,7 @@ var (
 		2804: "LibraryReward",
 		2805: "LibraryLvReward",
 		2901: "BattleValidationFailed",
+		3001: "ArenaTicketBuyUp",
 	}
 	ErrorCode_value = map[string]int32{
 		"Success":                     0,
@@ -516,6 +519,7 @@ var (
 		"LibraryReward":               2804,
 		"LibraryLvReward":             2805,
 		"BattleValidationFailed":      2901,
+		"ArenaTicketBuyUp":            3001,
 	}
 )
 
@@ -550,7 +554,7 @@ var File_errorcode_proto protoreflect.FileDescriptor
 
 var file_errorcode_proto_rawDesc = []byte{
 	0x0a, 0x0f, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x63, 0x6f, 0x64, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74,
-	0x6f, 0x2a, 0x96, 0x1b, 0x0a, 0x09, 0x45, 0x72, 0x72, 0x6f, 0x72, 0x43, 0x6f, 0x64, 0x65, 0x12,
+	0x6f, 0x2a, 0xad, 0x1b, 0x0a, 0x09, 0x45, 0x72, 0x72, 0x6f, 0x72, 0x43, 0x6f, 0x64, 0x65, 0x12,
 	0x0b, 0x0a, 0x07, 0x53, 0x75, 0x63, 0x63, 0x65, 0x73, 0x73, 0x10, 0x00, 0x12, 0x11, 0x0a, 0x0d,
 	0x4e, 0x6f, 0x46, 0x69, 0x6e, 0x64, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x10, 0x0a, 0x12,
 	0x1b, 0x0a, 0x17, 0x4e, 0x6f, 0x46, 0x69, 0x6e, 0x64, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65,
@@ -767,8 +771,10 @@ var file_errorcode_proto_rawDesc = []byte{
 	0x77, 0x61, 0x72, 0x64, 0x10, 0xf4, 0x15, 0x12, 0x14, 0x0a, 0x0f, 0x4c, 0x69, 0x62, 0x72, 0x61,
 	0x72, 0x79, 0x4c, 0x76, 0x52, 0x65, 0x77, 0x61, 0x72, 0x64, 0x10, 0xf5, 0x15, 0x12, 0x1b, 0x0a,
 	0x16, 0x42, 0x61, 0x74, 0x74, 0x6c, 0x65, 0x56, 0x61, 0x6c, 0x69, 0x64, 0x61, 0x74, 0x69, 0x6f,
-	0x6e, 0x46, 0x61, 0x69, 0x6c, 0x65, 0x64, 0x10, 0xd5, 0x16, 0x42, 0x06, 0x5a, 0x04, 0x2e, 0x3b,
-	0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x6e, 0x46, 0x61, 0x69, 0x6c, 0x65, 0x64, 0x10, 0xd5, 0x16, 0x12, 0x15, 0x0a, 0x10, 0x41, 0x72,
+	0x65, 0x6e, 0x61, 0x54, 0x69, 0x63, 0x6b, 0x65, 0x74, 0x42, 0x75, 0x79, 0x55, 0x70, 0x10, 0xb9,
+	0x17, 0x42, 0x06, 0x5a, 0x04, 0x2e, 0x3b, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x33,
 }
 
 var (