diff --git a/busi/friend.go b/busi/friend.go
index 2f57b1b..69d01fe 100644
--- a/busi/friend.go
+++ b/busi/friend.go
@@ -21,10 +21,8 @@ func (f *FriendScene) Info() lib.SceneInfo {
 }
 
 func (f *FriendScene) Run(robot lib.IRobot) error {
-	head := &pb.UserMessage{MainType: "", SubType: ""}
-
 	req := &pb.FriendRandlistReq{}
 	rsp := &pb.FriendRandlistResp{}
-	robot.SendMsg(head, req, rsp)
+	robot.SendMsg("", "", req, rsp)
 	return nil
 }
diff --git a/lib/robot.go b/lib/robot.go
index 390e8dc..2e596f1 100644
--- a/lib/robot.go
+++ b/lib/robot.go
@@ -23,11 +23,11 @@ type IRobot interface {
 	// GetCurrentScene() *scene
 
 	// 发送消息
-	SendMsg(head *pb.UserMessage, req proto.Message, rsp proto.Message) error
+	SendMsg(mainType, subType string, req proto.Message, rsp proto.Message) error
 	// 存储数据
-	Store(key string, data []byte)
+	Store(key string, data interface{})
 	// 获取数据
-	Get(key string) []byte
+	Get(key string) interface{}
 	// 停止运行
 	Stop() bool
 }