diff --git a/River.md b/River.md
index 27de739..9bfcf7b 100644
--- a/River.md
+++ b/River.md
@@ -434,7 +434,7 @@ fn plus_one(x: u32) -> u32 {
 
 
 
-### 2024.09.21
+### 2024.09.22
 
 #### 注释