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
deleted file mode 100644
index f95800d..0000000
Binary files a/model/背景颜色修改-设计顺序图-卢吉远.png and /dev/null differ