在检测更新时清理cache

src/usr/bin/amber-pm-upgrade-notifier

@@ -100,7 +100,7 @@ until ! echo $updatetext | grep -q "E:"; do
     updatetext=$(LANGUAGE=en_US apm update 2>&1)
     retry_count=$((retry_count + 1))
 done
-
+apm clean
 update_app_number=$(env LANGUAGE=en_US apm list --upgradable 2>/dev/null | grep -c upgradable)
 echo "update_app_number is $update_app_number"