diff --git a/model/背景颜色修改-设计顺序图-卢吉远-.png b/model/背景颜色修改-设计顺序图-卢吉远-.png
new file mode 100644
index 0000000..96aa09a
Binary files /dev/null and b/model/背景颜色修改-设计顺序图-卢吉远-.png differ