diff --git a/src/server/conf/conf.go b/src/server/conf/conf.go
index 8810482b..291fe683 100644
--- a/src/server/conf/conf.go
+++ b/src/server/conf/conf.go
@@ -11,7 +11,7 @@ var (
 
 	// gate conf
 	PendingWriteNum        = 2000
-	MaxMsgLen       uint32 = 16384 // 16KB
+	MaxMsgLen       uint32 = 65536 // 16KB
 	HTTPTimeout            = 10 * time.Second
 	LenMsgLen              = 2
 	LittleEndian           = false
diff --git a/src/server/game/Gm.go b/src/server/game/Gm.go
index 153029a0..4d2db9e9 100644
--- a/src/server/game/Gm.go
+++ b/src/server/game/Gm.go
@@ -241,6 +241,10 @@ func ReqGmCommand_(player *Player, Command string) error {
 		ChessMod := player.PlayMod.getChessMod()
 		ChessMod.Retire = make(map[string]int)
 		ChessMod.RetireChessMap = make(map[string][]int)
+	case "cleanBuff":
+		ChessMod := player.PlayMod.getChessMod()
+		ChessMod.ChessBuff = []int{}
+		player.PushClientRes(ChessMod.BackData())
 	case "addChip":
 		PlayroomMod := player.PlayMod.getPlayroomMod()
 		PlayroomMod.AddChip()