diff --git a/model/修改背景顺序图.jpg b/model/修改背景顺序图.jpg new file mode 100644 index 0000000..4d028b9 Binary files /dev/null and b/model/修改背景顺序图.jpg differ diff --git a/model/分析类图.jpg b/model/分析类图.jpg deleted file mode 100644 index 8332a98..0000000 Binary files a/model/分析类图.jpg and /dev/null differ diff --git a/model/改变字体顺序图.jpg b/model/改变字体顺序图.jpg new file mode 100644 index 0000000..762a77e Binary files /dev/null and b/model/改变字体顺序图.jpg differ diff --git a/model/用例顺序图.png b/model/用例顺序图.png deleted file mode 100644 index 1fc79fc..0000000 Binary files a/model/用例顺序图.png and /dev/null differ diff --git a/model/登录密码顺序图.jpg b/model/登录密码顺序图.jpg new file mode 100644 index 0000000..ca4abd8 Binary files /dev/null and b/model/登录密码顺序图.jpg differ