diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9ad636c..6e88d03 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,11 +23,12 @@ install(FILES cgroup-tproxy.sh
         DESTINATION /usr/share/cgproxy/scripts/)
 
 
-## deb pack
+## package for deb and rpm
 set(CPACK_GENERATOR "DEB;RPM")
 set(CPACK_PACKAGE_NAME "cgproxy")
 set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "cgproxy will transparent proxy anything running in specific cgroup.It aslo supports global transparent proxy and gateway proxy")
 
+## deb pack
 set(CPACK_DEBIAN_PACKAGE_NAME "cgproxy")
 set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE "x86_64")
 set(CPACK_DEBIAN_PACKAGE_DEPENDS "systemd")
@@ -38,10 +39,12 @@ set(CPACK_DEBIAN_PACKAGE_MAINTAINER "springzfx@gmail.com")
 set(CONTROL_DIR ${CMAKE_SOURCE_DIR}/control)
 set(CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA "${CONTROL_DIR}/postinst;${CONTROL_DIR}/prerm")
 
+## rpm pack
 set(CPACK_RPM_PACKAGE_ARCHITECTURE, "x86_64")
 set(CPACK_RPM_PACKAGE_REQUIRES "systemd")
 set(CPACK_RPM_PACKAGE_GROUP "network")
 set(CPACK_RPM_PACKAGE_URL "https://github.com/springzfx/cgproxy")
+set(CONTROL_DIR ${CMAKE_SOURCE_DIR}/control)
 set(CPACK_RPM_POST_INSTALL_SCRIPT_FILE "${CONTROL_DIR}/postinst")
 set(CPACK_RPM_PRE_UNINSTALL_SCRIPT_FILE "${CONTROL_DIR}/prerm")
 
diff --git a/cgroup-tproxy.sh b/cgroup-tproxy.sh
index d9d0afc..ae702a0 100644
--- a/cgroup-tproxy.sh
+++ b/cgroup-tproxy.sh
@@ -83,7 +83,7 @@ case $i in
         ip route flush table $table
         ip -6 rule delete fwmark $mark_proxy lookup $table
         ip -6 route flush table $table
-        ## may not exist, just ignore, and tracking their existence is reliable
+        ## may not exist, just ignore, and tracking their existence is not reliable
         iptables -t nat -D POSTROUTING -m addrtype ! --src-type LOCAL -j MASQUERADE &> /dev/null
         ip6tables -t nat -D POSTROUTING -m addrtype ! --src-type LOCAL -j MASQUERADE &> /dev/null
         exit 0
diff --git a/readme.md b/readme.md
index 046a5c4..d89f604 100644
--- a/readme.md
+++ b/readme.md
@@ -44,7 +44,9 @@ It aslo supports global transparent proxy and gateway proxy. See [Global transpa
 mkdir build && cd build && cmake .. && make && make install
 ```
 
-It is alreay in [archlinux AUR](https://aur.archlinux.org/packages/cgproxy/).
+- It is alreay in [archlinux AUR](https://aur.archlinux.org/packages/cgproxy/). 
+
+- DEB and RPM are packaged in [release page](https://github.com/springzfx/cgproxy/releases).
 
 ## How to use
 
@@ -170,6 +172,11 @@ sudo systemctl restart cgproxy.service
 
 - `systemd-cgls` to see the cgroup hierarchical tree.
 
+- Qv2ray config example
+  
+
+![Qv2ray config example](https://i.loli.net/2020/04/28/bdQBzUD37FOgfvt.png)
+
 ## Licences
 
 cgproxy is licenced under [![License: GPL v3](https://img.shields.io/badge/License-GPL%20v2-blue.svg)](https://www.gnu.org/licenses/gpl-2.0)