diff --git a/src/btree/btree.h b/src/btree/btree.h
index 02a31fd..6c117a8 100644
--- a/src/btree/btree.h
+++ b/src/btree/btree.h
@@ -1,5 +1,5 @@
 //
-// Created by YuhangQ on 2021/10/25.
+// Created on 2021/10/25.
 //
 
 #ifndef INVODB_BTREE_H
diff --git a/src/btree/list.h b/src/btree/list.h
index ac69c9d..eac78c2 100644
--- a/src/btree/list.h
+++ b/src/btree/list.h
@@ -1,5 +1,5 @@
 //
-// Created by YuhangQ on 2021/11/1.
+// Created on 2021/11/1.
 //
 
 #ifndef INVODB_LIST_H
diff --git a/src/collection/collection.cpp b/src/collection/collection.cpp
index ac92798..71a4e5c 100644
--- a/src/collection/collection.cpp
+++ b/src/collection/collection.cpp
@@ -1,5 +1,5 @@
 //
-// Created by YuhangQ on 2021/10/9.
+// Created on 2021/10/9.
 //
 
 #include "collection.h"
diff --git a/src/collection/collection.h b/src/collection/collection.h
index 31a2a37..9f63da5 100644
--- a/src/collection/collection.h
+++ b/src/collection/collection.h
@@ -1,5 +1,5 @@
 //
-// Created by YuhangQ on 2021/10/9.
+// Created on 2021/10/9.
 //
 
 #ifndef INVODB_COLLECTION_H
diff --git a/src/collection/index.cpp b/src/collection/index.cpp
index dcebada..988aed6 100644
--- a/src/collection/index.cpp
+++ b/src/collection/index.cpp
@@ -1,5 +1,5 @@
 //
-// Created by YuhangQ on 2021/11/7.
+// Created on 2021/11/7.
 //
 
 #include "collection.h"
diff --git a/src/file/page_manager.cpp b/src/file/page_manager.cpp
index 75e8242..93b54ca 100644
--- a/src/file/page_manager.cpp
+++ b/src/file/page_manager.cpp
@@ -1,5 +1,5 @@
 //
-// Created by YuhangQ on 2021/9/24.
+// Created on 2021/9/24.
 //
 
 #include "page_manager.h"
diff --git a/src/file/page_manager.h b/src/file/page_manager.h
index d3291cc..80e52ff 100644
--- a/src/file/page_manager.h
+++ b/src/file/page_manager.h
@@ -1,5 +1,5 @@
 //
-// Created by YuhangQ on 2021/9/24.
+// Created on 2021/9/24.
 //
 
 #ifndef INVODB_PAGE_MANAGER_H
diff --git a/src/file/storage_page.cpp b/src/file/storage_page.cpp
index c230e7e..b3ae614 100644
--- a/src/file/storage_page.cpp
+++ b/src/file/storage_page.cpp
@@ -1,5 +1,5 @@
 //
-// Created by YuhangQ on 2021/10/22.
+// Created on 2021/10/22.
 //
 
 #include "storage_page.h"
diff --git a/src/file/storage_page.h b/src/file/storage_page.h
index 20cf512..8cc33b5 100644
--- a/src/file/storage_page.h
+++ b/src/file/storage_page.h
@@ -1,5 +1,5 @@
 //
-// Created by YuhangQ on 2021/10/22.
+// Created on 2021/10/22.
 //
 
 #ifndef INVODB_STORAGE_PAGE_H
diff --git a/src/main.cpp b/src/main.cpp
index 7190597..5fb61f9 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,5 +1,5 @@
 //
-// Created by YuhangQ on 2021/9/24.
+// Created on 2021/9/24.
 //
 
 #include "main.h"
diff --git a/src/main.h b/src/main.h
index 9cf043f..f509ee1 100644
--- a/src/main.h
+++ b/src/main.h
@@ -1,5 +1,5 @@
 //
-// Created by YuhangQ on 2021/9/24.
+// Created on 2021/9/24.
 //
 
 #ifndef INVODB_MAIN_H
diff --git a/src/utils/logger.h b/src/utils/logger.h
index b9f9ab3..1392f61 100644
--- a/src/utils/logger.h
+++ b/src/utils/logger.h
@@ -1,5 +1,5 @@
 //
-// Created by YuhangQ on 2021/10/22.
+// Created on 2021/10/22.
 //
 
 #ifndef INVODB_LOGGER_H
diff --git a/src/utils/uuid.h b/src/utils/uuid.h
index fcb1c8e..fedbbfe 100644
--- a/src/utils/uuid.h
+++ b/src/utils/uuid.h
@@ -1,5 +1,5 @@
 //
-// Created by YuhangQ on 2021/10/23.
+// Created on 2021/10/23.
 //
 
 #ifndef INVODB_UUID_H