diff --git a/model/类分析模型.png b/model/类分析模型.png new file mode 100644 index 0000000..4ec5eb9 Binary files /dev/null and b/model/类分析模型.png differ diff --git a/model/类设计模型.png b/model/类设计模型.png deleted file mode 100644 index 576b64c..0000000 Binary files a/model/类设计模型.png and /dev/null differ