diff --git a/file.chk b/file.chk
index 4eb0a15..ba8e6be 100644
--- a/file.chk
+++ b/file.chk
@@ -1,4 +1,4 @@
-6324f7357788d664bae80bc9d41c04c6  SD_ROOT/factory_t31_ZMC6tiIDQN
+69eb4620f76e93a6b5188b7e6cd1f342  SD_ROOT/factory_t31_ZMC6tiIDQN
 d41d8cd98f00b204e9800998ecf8427e  SD_ROOT/wz_mini/mnt/.gitignore
 2c8d7de3e719b99add6dc86526e66b84  SD_ROOT/wz_mini/www/cgi-bin/cam-timezone.md
 dbf932aa317b95a18cb7df4516086a40  SD_ROOT/wz_mini/www/cgi-bin/cam-bitRate.md
@@ -60,7 +60,7 @@ edebe65d895650235f05291618814ebe  SD_ROOT/wz_mini/etc/network.d/S08hostname
 a7bca44e4f02d75f4ac0c529837bbe64  SD_ROOT/wz_mini/etc/go2rtc.yml
 34c6a4c3a941ff2becd9f487826d7692  SD_ROOT/wz_mini/etc/uvc.config
 071acd61334923a9a3e5b799e012697e  SD_ROOT/wz_mini/etc/init.d/S09firstboot
-6b22c996fd24abf49ed605cae2a20430  SD_ROOT/wz_mini/etc/init.d/S11configbackup
+82ddbba869f90d60dddc489cc58c2a11  SD_ROOT/wz_mini/etc/init.d/S11configbackup
 62eeab11043d50dcd4b7be2861f6e65f  SD_ROOT/wz_mini/etc/init.d/S00config
 77c2d414598fd8e7ec97341f42091ec1  SD_ROOT/wz_mini/etc/init.d/S10kmod
 0e868d15fb8b09915975bab48f5a78f2  SD_ROOT/wz_mini/etc/init.d/S06car
@@ -70,7 +70,7 @@ a7bca44e4f02d75f4ac0c529837bbe64  SD_ROOT/wz_mini/etc/go2rtc.yml
 8d9b5da920bf9c739517de3843631334  SD_ROOT/wz_mini/etc/init.d/S12ssh
 366d62ff81290c520180f8ccf31a42d1  SD_ROOT/wz_mini/etc/init.d/S05mount
 5e43108dcbb5d57ed45ab7f209ac9c11  SD_ROOT/wz_mini/etc/init.d/S21killmisc
-0113d8e9beb7d393c61959889193ba0e  SD_ROOT/wz_mini/etc/init.d/S01bind
+d514e471e37ee098f2383afb5a5226b9  SD_ROOT/wz_mini/etc/init.d/S01bind
 74f398e735e66f91bb5ff1ea42c3760d  SD_ROOT/wz_mini/etc/init.d/S03busybox
 a27d4a0dd6582ae51db92c35cf396ac3  SD_ROOT/wz_mini/etc/init.d/wz_init.sh
 240c1c4d4fd07ec977a8fe9f7b5d7734  SD_ROOT/wz_mini/etc/init.d/S15fwupdate
@@ -156,7 +156,7 @@ a8970288e72c871bff6a4484f1e733d6  SD_ROOT/wz_mini/bin/readelf
 3dbed0e1450cb60eca924379f5055c75  SD_ROOT/wz_mini/bin/ffmpeg
 e37474a12d76cae16336476cba61e8b8  SD_ROOT/wz_mini/bin/neofetch
 7fcc716cda1e024dae1045050a135beb  SD_ROOT/wz_mini/bin/audioplay_t31
-92d7c4d24c957f2dd1b93ce5a6bcd5aa  SD_ROOT/wz_mini/bin/upgrade-run.sh
+e4e21f2a4470237d0144a05967c05dc2  SD_ROOT/wz_mini/bin/upgrade-run.sh
 98bf2e6258951648cb880c808db7099f  SD_ROOT/wz_mini/bin/ser2net
 e6a6a9dd8ce138686083a3d4303cea40  SD_ROOT/wz_mini/bin/iperf3
 343482b8e6569ff2fbd8563d6e8c58f7  SD_ROOT/wz_mini/bin/fsck.vfat
@@ -345,7 +345,8 @@ c6a2e765996b4a8bfe351757785fb989  SD_ROOT/wz_mini/lib/modules/3.10.14__isvp_swan
 46791b695c5acd7d813f2a7198790a8a  SD_ROOT/wz_mini/lib/libcallback_t20.so
 bd383994491e4bdca81788c168feb2eb  SD_ROOT/wz_mini/lib/libasound.so.2
 f6f0d5a9ebd916de6bdb9695067809ae  SD_ROOT/wz_mini/lib/libaudioProcess.so
-c2190e55d8672888d8083ec42200fb7c  SD_ROOT/wz_mini/wz_mini.conf
+d2fefcd88b86adec16cf9652790ae0ef  SD_ROOT/wz_mini/wz_mini.conf
+5ca6409720fe149c9bc89aecc8ef3bb2  SD_ROOT/wz_mini/overlay_empty.img.gz
 d41d8cd98f00b204e9800998ecf8427e  SD_ROOT/wz_mini/tmp/.gitignore
 a0c14688cda288ec6726e43b2ded2c09  v2_install/compile_image.sh
 533fc156f7853d8b21dfbe51e6a4c02e  v2_install/fw_tool.sh