解析成功，待继续发掘有用数据

Demo/XiguaGift.proto

@@ -0,0 +1,10 @@
+syntax = "proto2";
+// 礼物
+message Gift {
+	message Detail {
+		required string gift_id = 1;
+		required string gift_name = 2;
+	}
+	required int32 id = 1;
+	required Detail gift = 2;
+}