Add study notes for 2025-08-21

Author: AutoBot42

SparrowHuang1994.md

@@ -15,6 +15,10 @@ timezone: UTC+8
 ## Notes
 
 <!-- Content_START -->
+# 2025-08-21
+
+还是那句话，老师讲得好，下课下得早
+
 # 2025-08-20
 
 今天大家教的好！