refactor: localize protobuf definitions

module/ec/order/internal/logic/cart/create.go

@@ -15,7 +15,7 @@ import (
 )
 
 // 将商品增加至购物车
-func Create(ctx context.Context, in *pb.CartAddRequest) (reply *pb.StatusReply, err error) {
+func Create(ctx context.Context, in *pb.CartAddRequest) (reply *pb.OrderStatusReply, err error) {
 	auth, err := service.ParseMetaCtx(ctx, nil)
 	if err != nil {
 		return nil, err
@@ -52,7 +52,7 @@ func Create(ctx context.Context, in *pb.CartAddRequest) (reply *pb.StatusReply,
 		return nil, errcode.ErrDB
 	}
 
-	return &pb.StatusReply{
+	return &pb.OrderStatusReply{
 		Code:     0,
 		Identity: data.Identity,
 		Message:  "OK",