diff --git a/model/详细设计/插入图片/类图.png b/model/详细设计/插入图片/类图.png
new file mode 100644
index 0000000..8f62839
Binary files /dev/null and b/model/详细设计/插入图片/类图.png differ
diff --git a/model/详细设计/插入图片/顺序图.png b/model/详细设计/插入图片/顺序图.png
new file mode 100644
index 0000000..63d067b
Binary files /dev/null and b/model/详细设计/插入图片/顺序图.png differ
diff --git a/model/详细设计/添加密码/类图.png b/model/详细设计/添加密码/类图.png
new file mode 100644
index 0000000..10daffc
Binary files /dev/null and b/model/详细设计/添加密码/类图.png differ
diff --git a/model/详细设计/添加密码/顺序图.png b/model/详细设计/添加密码/顺序图.png
new file mode 100644
index 0000000..bba6324
Binary files /dev/null and b/model/详细设计/添加密码/顺序图.png differ
diff --git a/model/需求分析/插入图片/顺序图.png b/model/需求分析/插入图片/顺序图.png
deleted file mode 100644
index 29fc908..0000000
Binary files a/model/需求分析/插入图片/顺序图.png and /dev/null differ
diff --git a/model/需求分析/添加密码/顺序图.png b/model/需求分析/添加密码/顺序图.png
deleted file mode 100644
index 9960c3c..0000000
Binary files a/model/需求分析/添加密码/顺序图.png and /dev/null differ