diff --git a/AUTHORS.TXT b/AUTHORS.TXT
deleted file mode 100644
index b7f7ab2f..00000000
--- a/AUTHORS.TXT
+++ /dev/null
@@ -1,9 +0,0 @@
-LAU kaijern (xwings) <kj@qiling.io>
-NGUYEN Anh Quynh <aquynh@gmail.com>
-DING tianZe (D1iv3) <dddliv3@gmail.com>
-SUN bowen (w1tcher) <w1tcher.bupt@gmail.com>
-CHEN huitao (null) <null@qiling.io>
-YU tong (sp1ke) <spikeinhouse@gmail.com>
-Earl MARCUS (klks84) <klks84@gmail.com>
-WU chenxu (kabeor) <kabeor@qiling.io>
-KONG ziqiao <mio@lazym.io>
\ No newline at end of file
diff --git a/CREDITS.TXT b/CREDITS.TXT
index 2a96d9ab..bfdc28b2 100644
--- a/CREDITS.TXT
+++ b/CREDITS.TXT
@@ -14,16 +14,20 @@ NGUYEN Anh Quynh <aquynh@gmail.com>
 Core Developers Crew
 ====================
 Earl MARCUS (klks84) klks84@gmail.com
-DING tianze (D1iv3) <dddliv3@gmail.com>
-SUN bowen (w1tcher) <w1tcher.bupt@gmail.com>
-CHEN huitao (null) <null@qiling.io>
-YU tong (sp1ke) <spikeinhouse@gmail.com>
 WU chenxu (kabeor) <kabeor@qiling.io>
 KONG ziqiao (lazymio) <mio@lazym.io>
 YU zheng (dataisland) <dataisland@outlook.com>
 Eli Cohen Nehemia (elicn) <elichn@gmail.com>
 
 
+Legacy Core Developers
+======================
+DING tianze (D1iv3) <dddliv3@gmail.com>
+SUN bowen (w1tcher) <w1tcher.bupt@gmail.com>
+CHEN huitao (null) <null@qiling.io>
+YU tong (sp1ke) <spikeinhouse@gmail.com>
+
+
 Travis, Website and Documentations
 ==================================
 FOO Kevin (chfl4gs) <chfl4gs@qiling.io>
diff --git a/ChangeLog b/ChangeLog
index 48897c94..87c63d16 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3,15 +3,15 @@ This file details the changelog of Qiling Framework.
 ------------------------------------
 [Version 1.4.1]: Nov Xth, 2021
 
-- Clean and tidy up core utils module (WIP)
-- Clean and tidy up path module
-- Other small adjustments so support the above changes
-- Rearranged the code to be more Pythonic and more readable
-- Removed unused members and methods
-- Added typing annotations
-- Added ql.platform_os and ql.platform_arch
-- update ql.os.posix.const_mapping with more os/arch match
-- Minor refactor on ql.interpreter and ql.baremetal
+New features:
+- Introduced riscv, both 32 and 64 (#980)
+
+Improvements:
+- Refactored core hooks (#966)
+- update ql.os.posix.const_mapping with more os/arch match (#973)
+- Minor refactor on ql.interpreter and ql.baremetal (#975)
+- More update in MCU modules (#971)
+- Fix getpeername and getsockname syscalls (#986)
 
 
 ------------------------------------
diff --git a/examples/rootfs b/examples/rootfs
index 9f5c6cbb..9e2f4037 160000
--- a/examples/rootfs
+++ b/examples/rootfs
@@ -1 +1 @@
-Subproject commit 9f5c6cbb9ccd6cc86effc1409adbbf164b6596c0
+Subproject commit 9e2f4037fe1129840a581b206e6c68d56f6d3edd