diff --git a/Documentations/1-parser/README.md b/Documentations/1-parser/README.md
index b3446ea34d5cb262a57ccafee139e6b2ad7e8bae..27e8d6b2076567e043e7491844616b68f13a1151 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：2022-09-28 23:59:59 (UTC+8)
+  * Soft Deadline：2022-10-03 23:59:59 (UTC+8)
 
-  * Hard Deadline：2022-10-05 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 41d1b7e70d66d95181ebe654271ca2fcd07a34a4..62d806e8d6e89a1aaad0e8389271de2c2928f1e9 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 ## 目前已布置的实验
 
 * [lab1](./Documentations/1-parser/)
-  + DDL：2022-09-28 23:59:59 (UTC+8)
+  + DDL：2022-10-03 23:59:59 (UTC+8)
 
 ## FAQ: How to merge upstream remote branches