diff --git a/newDocu.txt b/newDocu.txt
new file mode 100644
index 0000000..8d8ba6e
--- /dev/null
+++ b/newDocu.txt
@@ -0,0 +1,2 @@
+.LOG
+this is a new doc on ZhenfengShu`s Laptop.
\ No newline at end of file
diff --git a/test_001.txt b/test_001.txt
index ffc9e45..a7d56e9 100644
--- a/test_001.txt
+++ b/test_001.txt
@@ -4,4 +4,6 @@ this is a line of input.
 13:28 2024/3/23
 type for test use
 14:00 2024/3/23
-type for verify use
\ No newline at end of file
+type for verify use
+19:23 2024-03-23
+opened and modified on ZhenfengShu`s laptop.
\ No newline at end of file