diff --git a/README.md b/README.md
index ca293e3..6ef1600 100644
--- a/README.md
+++ b/README.md
@@ -416,7 +416,7 @@ Step 3: if 没有该图书then 则输出图书不存在
Step 4: 将查找到的图书后面的依次往前移动信息
Step 5: 将图书总数减一
Step 6: 提示删除成功
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#### sort_data
diff --git a/deletesortupdate.drawio.svg b/deletesortupdate.drawio.svg
new file mode 100644
index 0000000..928dbdc
--- /dev/null
+++ b/deletesortupdate.drawio.svg
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diff --git a/deletesortupdate.svg b/deletesortupdate.svg
new file mode 100644
index 0000000..f6ff26b
--- /dev/null
+++ b/deletesortupdate.svg
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diff --git a/sort.drawio b/sort.drawio
new file mode 100644
index 0000000..efffb37
--- /dev/null
+++ b/sort.drawio
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diff --git a/update.drawio b/update.drawio
new file mode 100644
index 0000000..8d29c34
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