diff --git a/modules/user/module.go b/modules/user/module.go
index 7d2e1bc07..e6d1a5598 100644
--- a/modules/user/module.go
+++ b/modules/user/module.go
@@ -267,6 +267,7 @@ func (this *User) change(session comm.IUserSession, attr string, add int32) (cha
 		Friend:    userEx.FriendPoint,
 		Starcoin:  user.Starcoin,
 		Guildcoin: userEx.SociatyCoin,
+		ArenaCoin: userEx.ArenaCoin,
 	}
 
 	switch attr {
@@ -329,11 +330,11 @@ func (this *User) change(session comm.IUserSession, attr string, add int32) (cha
 	case comm.ArenaCoin:
 		if add < 0 {
 			if userEx.ArenaCoin+add < 0 {
-				code = pb.ErrorCode_UserSociatyCoinNoEnough
+				code = pb.ErrorCode_UserArenaCoinNoEnough
 				return
 			}
 		}
-		change.Guildcoin += add
+		change.ArenaCoin += add
 	default:
 		err = errors.New(fmt.Sprintf("%s no supported", attr))
 		return
@@ -352,6 +353,7 @@ func (this *User) change(session comm.IUserSession, attr string, add int32) (cha
 	updateEx := map[string]interface{}{
 		comm.ResFriend:   change.Friend,
 		comm.SociatyCoin: change.Guildcoin,
+		comm.ArenaCoin:   change.ArenaCoin,
 	}
 
 	if err := this.modelUser.updateUserAttr(uid, update); err != nil {