diff --git a/sources/arch_aur.ini b/sources/arch_aur.ini
index c75461e..5558af1 100644
--- a/sources/arch_aur.ini
+++ b/sources/arch_aur.ini
@@ -1,3 +1,5 @@
+# my AUR packages
+
 [cld2-svn]
 url = https://code.google.com/p/cld2/source/list
 regex = href="detail\?r=(\d+)"
diff --git a/sources/arch_cn.ini b/sources/arch_cn.ini
new file mode 100644
index 0000000..4258131
--- /dev/null
+++ b/sources/arch_cn.ini
@@ -0,0 +1,4 @@
+# Arch Linux CN repository
+
+[imagemagick-fftw]
+cmd = LANG=C pacman -Si imagemagick | grep -F Version | awk '{print $3}'
diff --git a/sources/arch_lilydjwg.ini b/sources/arch_lilydjwg.ini
index f9d5dd6..539a7af 100644
--- a/sources/arch_lilydjwg.ini
+++ b/sources/arch_lilydjwg.ini
@@ -1,3 +1,6 @@
+# lilydjwg repository:
+# https://bbs.archlinuxcn.org/viewtopic.php?id=1695
+
 [3to2]
 aur
 
@@ -211,3 +214,6 @@ aur
 
 [perl-proc-simple]
 aur
+
+[libxml-perl]
+aur