diff --git a/DEBIAN/control b/DEBIAN/control
index 7757285..2f1d396 100644
--- a/DEBIAN/control
+++ b/DEBIAN/control
@@ -1,5 +1,5 @@
 Package: wcbing-keyring
-Version: 1.0.0
+Version: 2.0.0
 Section: utils
 Priority: optional
 Architecture: all
diff --git a/DEBIAN/postinst b/DEBIAN/postinst
new file mode 100755
index 0000000..7cb84c1
--- /dev/null
+++ b/DEBIAN/postinst
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+rm -f /etc/apt/keyrings/wcbing.gpg
\ No newline at end of file
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
index b6b9be8..4feafb2 100644
--- a/etc/apt/sources.list.d/wcbing.list
+++ b/etc/apt/sources.list.d/wcbing.list
@@ -1 +1 @@
-deb [signed-by=/etc/apt/keyrings/wcbing.gpg] https://packages.wcbing.top/deb/ /
\ No newline at end of file
+deb [trusted=yes] https://packages.wcbing.top/deb/$(ARCH)/ /
\ No newline at end of file