diff --git a/csv/dcu/hycu_pci_fixup_header_0.4.4.bin b/csv/dcu/hycu_pci_fixup_header_0.4.4.bin
new file mode 100755
index 0000000000000000000000000000000000000000..7079d2983527986c5ddcbed4356e6655227302ef
Binary files /dev/null and b/csv/dcu/hycu_pci_fixup_header_0.4.4.bin differ
diff --git a/csv/dcu/hydcu_pci_fixup_header_0.4.0.bin b/csv/dcu/hydcu_pci_fixup_header_0.4.0.bin
deleted file mode 100755
index 3d8b26f7d9be9ecaf55e1d16e21b7934d088b6d8..0000000000000000000000000000000000000000
Binary files a/csv/dcu/hydcu_pci_fixup_header_0.4.0.bin and /dev/null differ
diff --git a/csv/install_csv_sw.sh b/csv/install_csv_sw.sh
index 3c80aaa21d1ce737a18915eaaad754654afd72cb..5ab9b5de31f8b68538ecee4a70e142780460ad45 100755
--- a/csv/install_csv_sw.sh
+++ b/csv/install_csv_sw.sh
@@ -13,9 +13,9 @@ handle_error() {
 
 trap 'handle_error $?' ERR
 
-if [ ! -f /sys/module/hydcu_pci_fixup_header/version ];then
-    chmod +x /opt/hygon/csv/dcu/hydcu_pci_fixup_header_0.4.0.bin
-    /opt/hygon/csv/dcu/hydcu_pci_fixup_header_0.4.0.bin
+if [ ! -f /sys/module/hycu_pci_fixup_header/version ];then
+    chmod +x /opt/hygon/csv/dcu/hycu_pci_fixup_header_0.4.4.bin
+    /opt/hygon/csv/dcu/hycu_pci_fixup_header_0.4.4.bin
 fi
 
 mkdir -p /etc/qemu