fix: ensure logdir is not null

CHANGELOG.md

@@ -9,6 +9,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [0.2.4] - 2022-01-27
 
+### Fixed
+
+- Ensure logir is not null
+
 ### Added
 
 - Format datetime in locale format [github#1](https://github.com/imlonghao/archlinuxcn-packages/pull/1)

src/main.rs

@@ -233,7 +233,7 @@ async fn get_pkg_log(
     let conn = db.get().await.unwrap();
     let rows = conn
         .query(
-            "select logdir from lilac.batch where ts < $1 and event = 'start' order by id desc limit 1",
+            "select logdir from lilac.batch where ts < $1 and event = 'start' and logdir is not null order by id desc limit 1",
             &[&dt],
         )
         .await