diff --git a/debian/changelog b/debian/changelog
index f9b26f9..8931f3b 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,11 @@
+live-build (3.0~a57-1ubuntu33k42) bionic; urgency=medium
+
+  [ 谢炜 ]
+  * disable download of component Release
+  * save installer.udeb cache when use custom udeb list
+
+ -- Xie Wei <xiewei@kylinos.cn>  Thu, 28 Feb 2019 08:58:38 +0800
+
 live-build (3.0~a57-1ubuntu33k41) bionic; urgency=medium
 
   [ 谢炜 ]
diff --git a/debian/patches/0074-save-installer.udeb-cache-when-use-custom-udeb-list.patch b/debian/patches/0074-save-installer.udeb-cache-when-use-custom-udeb-list.patch
new file mode 100644
index 0000000..8a5dd84
--- /dev/null
+++ b/debian/patches/0074-save-installer.udeb-cache-when-use-custom-udeb-list.patch
@@ -0,0 +1,30 @@
+From: =?utf-8?b?6LCi54Kc?= <xiewei@kylinos.cn>
+Date: Thu, 28 Feb 2019 08:58:01 +0800
+Subject: save installer.udeb cache when use custom udeb list
+
+---
+ scripts/build/lb_binary_debian-installer | 10 +++++-----
+ 1 file changed, 5 insertions(+), 5 deletions(-)
+
+diff --git a/scripts/build/lb_binary_debian-installer b/scripts/build/lb_binary_debian-installer
+index b0072ea..6fd8270 100755
+--- a/scripts/build/lb_binary_debian-installer
++++ b/scripts/build/lb_binary_debian-installer
+@@ -706,12 +706,12 @@ then
+ 				fi
+ 			fi
+ 		done
+-	
+-		# Caching udebs
+-		rm -rf ../cache/packages.binary_debian-installer.udeb
+-		mkdir -p ../cache/packages.binary_debian-installer.udeb
+-		cp *.udeb ../cache/packages.binary_debian-installer.udeb
+ 	fi
++	
++	# Caching udebs
++	rm -rf ../cache/packages.binary_debian-installer.udeb
++	mkdir -p ../cache/packages.binary_debian-installer.udeb
++	cp *.udeb ../cache/packages.binary_debian-installer.udeb
+ 
+ 	# Including local udebs
+ 	if Find_files ../config/packages.binary/*_"${LB_ARCHITECTURES}".udeb || Find_files ../config/packages/*_"${LB_ARCHITECTURES}".udeb
diff --git a/debian/patches/series b/debian/patches/series
index 10e06d3..da35507 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -71,3 +71,4 @@ strip-pool-for-di.patch
 0071-add-release-cosmic-and-disco.patch
 0072-add-release-of-kylinos-cm-community.patch
 0073-dont-download-component-Release.patch
+0074-save-installer.udeb-cache-when-use-custom-udeb-list.patch