diff --git a/model/顺序图/导游服务.png b/model/顺序图/导游服务.png new file mode 100644 index 0000000..d43ca0f Binary files /dev/null and b/model/顺序图/导游服务.png differ diff --git a/model/顺序图/游客需求.png b/model/顺序图/游客需求.png new file mode 100644 index 0000000..4612770 Binary files /dev/null and b/model/顺序图/游客需求.png differ