diff --git a/Documentations/1-parser/README.md b/Documentations/1-parser/README.md
index eb37b32b125a3fc3aaff2ded0a4bbe00f726850f..69060e4d052394ce155669d27b85cd4597765727 100644
--- a/Documentations/1-parser/README.md
+++ b/Documentations/1-parser/README.md
@@ -246,9 +246,9 @@ int main(void) {
 
 * 迟交规定
 
-  * Soft Deadline：2022-09-30 23:59:59 (UTC+8)
+  * Soft Deadline：2022-10-03 23:59:59 (UTC+8)
 
-  * Hard Deadline：2022-10-07 23:59:59 (UTC+8)
+  * Hard Deadline：2022-10-10 23:59:59 (UTC+8)
 
   * 补交请邮件提醒 TA：
 
diff --git a/README.md b/README.md
index 6a63109de5e7760e119eeb834ed22653057f83a9..07bc43228b91e27326f6be7a4a1b3a0730751e0f 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 ## 目前已布置的实验
 
 * [lab1](./Documentations/1-parser/)
-  + DDL：2022-09-30 23:59:59 (UTC+8)
+  + DDL：2022-10-03 23:59:59 (UTC+8)
 
 ## FAQ: How to merge upstream remote branches