Add study notes for 2025-08-21

AutoBot42 · AutoBot42 · commit 36cec20d81f2 · 2025-08-21T06:58:45.000+12:00
diff --git a/BrKDDD.md b/BrKDDD.md
@@ -15,6 +15,10 @@ timezone: UTC+8
 ## Notes
 
 <!-- Content_START -->
+# 2025-08-21
+
+打卡
+
 # 2025-08-20
 
 打卡
