diff --git a/DEBIAN/control b/DEBIAN/control
index 7757285..be649d4 100644
--- a/DEBIAN/control
+++ b/DEBIAN/control
@@ -1,8 +1,9 @@
 Package: wcbing-keyring
-Version: 1.0.0
+Version: 3.0.0
 Section: utils
 Priority: optional
 Architecture: all
+Installed-Size: 721 B
 Maintainer: wcbing <i@wcbing.top>
 Homepage: https://packages.wcbing.top/deb/
 Description: the keyring of wcbing APT Repo.
diff --git a/DEBIAN/postinst b/DEBIAN/postinst
new file mode 100755
index 0000000..1d72628
--- /dev/null
+++ b/DEBIAN/postinst
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+rm -f /etc/apt/sources.list.d/wcbing.list
+rm -f /etc/apt/keyrings/wcbing.gpg
diff --git a/etc/apt/keyrings/wcbing.gpg b/etc/apt/keyrings/wcbing.gpg
deleted file mode 100644
index 8646440..0000000
Binary files a/etc/apt/keyrings/wcbing.gpg and /dev/null differ
diff --git a/etc/apt/sources.list.d/wcbing.list b/etc/apt/sources.list.d/wcbing.list
deleted file mode 100644
index b6b9be8..0000000
--- a/etc/apt/sources.list.d/wcbing.list
+++ /dev/null
@@ -1 +0,0 @@
-deb [signed-by=/etc/apt/keyrings/wcbing.gpg] https://packages.wcbing.top/deb/ /
\ No newline at end of file
diff --git a/etc/apt/sources.list.d/wcbing.sources b/etc/apt/sources.list.d/wcbing.sources
new file mode 100644
index 0000000..520f3a6
--- /dev/null
+++ b/etc/apt/sources.list.d/wcbing.sources
@@ -0,0 +1,17 @@
+Types: deb
+URIs: https://packages.wcbing.top/deb/$(ARCH)/
+Suites: /
+Signed-By:
+ -----BEGIN PGP PUBLIC KEY BLOCK-----
+ .
+ mDMEZqEmIxYJKwYBBAHaRw8BAQdAb3OvpKmsYtS3WBIz8GdS1TO6YgD2IuNcWGZu
+ YuR3uU20FXdjYmluZyA8aUB3Y2JpbmcudG9wPoiTBBMWCgA7AhsDBQsJCAcCAiIC
+ BhUKCQgLAgQWAgMBAh4HAheAFiEEHRei1xNvFmQQGtkXJiZVFo+zu6AFAmeRTlwA
+ CgkQJiZVFo+zu6D2rgD/YNUyByUir6QZ7gszdL4gAI+iO3pG0ENaNC1T5uTa5hEB
+ AP0+rqCx74ZLh8fwbVsxeU+yAfTTD1Aw4WbqtvE8uO8NuDgEZqEmIxIKKwYBBAGX
+ VQEFAQEHQI5rbm+T72MiH3nHGRd8HZw2sHGFFurYIdbGq36GRbttAwEIB4h4BBgW
+ CgAgAhsMFiEEHRei1xNvFmQQGtkXJiZVFo+zu6AFAmeRTw4ACgkQJiZVFo+zu6D6
+ nwEApGVKLs8TzittX+yKKCKObcaBaXb4GjyyIi0QEzwW704A/0wRm+/W4poIZU7I
+ SM5NncjbTIxHZ+s27b8CqZcpajYJ
+ =QD/L
+ -----END PGP PUBLIC KEY BLOCK-----