diff --git a/linglong.spec b/linglong.spec
index 93055f4fc36fb42a1ab6eba3ca17340952996f05..51b5e4be4ab9fd55c7a999c2986141883ab77a51 100644
--- a/linglong.spec
+++ b/linglong.spec
@@ -66,6 +66,9 @@ cd build
 %postun -n linglong-bin
 %systemd_postun_with_restart org.deepin.linglong.PackageManager.service
 
+%posttrans -n linglong-bin
+busctl call org.freedesktop.DBus /org/freedesktop/DBus org.freedesktop.DBus ReloadConfig
+
 %files
 %doc README.md
 %license LICENSE