diff --git a/docs/complianced_image/QEMU/how_to_creating_and_making_a_QEMU_img.mkd b/docs/complianced_image/QEMU/how_to_creating_and_making_a_QEMU_img.mkd
index 567f259..fbcb87d 100644
--- a/docs/complianced_image/QEMU/how_to_creating_and_making_a_QEMU_img.mkd
+++ b/docs/complianced_image/QEMU/how_to_creating_and_making_a_QEMU_img.mkd
@@ -174,6 +174,6 @@ $ sudo poweroff
 ## sign QEMU image 
 ssh to QEMU server, find QEMU image dir, sign the QEMU image: 
 ```
-root@debian-9:/opt/images# gpg -b harbian-audit_Debian_9.qcow2 
+root@debian-9:/opt/images# gpg -u samson -b debian9.9-harbian-0910.qcow2
 ```
 
diff --git a/docs/complianced_image/QEMU/how_to_use_QEMU_image_of_harbian_audit_complianced_Debian_9.mkd b/docs/complianced_image/QEMU/how_to_use_QEMU_image_of_harbian_audit_complianced_Debian_9.mkd
index 6605c2f..0e1ecbf 100644
--- a/docs/complianced_image/QEMU/how_to_use_QEMU_image_of_harbian_audit_complianced_Debian_9.mkd
+++ b/docs/complianced_image/QEMU/how_to_use_QEMU_image_of_harbian_audit_complianced_Debian_9.mkd
@@ -24,9 +24,9 @@ passwd: 2wsx#EDC4rfv%TGB6yhn
 ```
 $ wget https://github.com/hardenedlinux/harbian-audit/blob/master/docs/complianced_image/QEMU/debian9.9-harbian-0910.qcow2.sig  
 $ wget https://github.com/hardenedlinux/harbian-audit/blob/master/docs/complianced_image/QEMU/signature/debian9.9-harbian-0910.qcow2.tar.gz.sig 
-$ gpg --verify debian9.9-harbian-0910.qcow2.tar.gz.sig debian9.9-harbian-0910.qcow2.tar.gz
+$ gpg -u samson --verify debian9.9-harbian-0910.qcow2.tar.gz.sig debian9.9-harbian-0910.qcow2.tar.gz
 $ tar -xzvf debian9.9-harbian-0910.qcow2.tar.gz   
-$ gpg --verify debian9.9-harbian-0910.qcow2.sig debian9.9-harbian-0910.qcow2  
+$ gpg -u samson --verify debian9.9-harbian-0910.qcow2.sig debian9.9-harbian-0910.qcow2  
 ```
 
 ## Use the QEMU image to create virtual machine  
diff --git a/docs/complianced_image/QEMU/signature/debian9.9-harbian-0910.qcow2.sig b/docs/complianced_image/QEMU/signature/debian9.9-harbian-0910.qcow2.sig
index 2832e38..39d71b3 100644
Binary files a/docs/complianced_image/QEMU/signature/debian9.9-harbian-0910.qcow2.sig and b/docs/complianced_image/QEMU/signature/debian9.9-harbian-0910.qcow2.sig differ
diff --git a/docs/complianced_image/QEMU/signature/debian9.9-harbian-0910.qcow2.tar.gz.sig b/docs/complianced_image/QEMU/signature/debian9.9-harbian-0910.qcow2.tar.gz.sig
index e25828d..58dbb44 100644
Binary files a/docs/complianced_image/QEMU/signature/debian9.9-harbian-0910.qcow2.tar.gz.sig and b/docs/complianced_image/QEMU/signature/debian9.9-harbian-0910.qcow2.tar.gz.sig differ