diff --git a/src/commands/interactive.rs b/src/commands/interactive.rs
index a6dfca6..ccd8177 100644
--- a/src/commands/interactive.rs
+++ b/src/commands/interactive.rs
@@ -1,5 +1,3 @@
-use std::time::Duration;
-
 use clap::Args;
 
 use crate::{
@@ -8,7 +6,7 @@ use crate::{
         database,
         maps::page_map::{PageMap, PageMapResult},
     },
-    indication::{spinner, ProgressBuilder},
+    indication::ProgressBuilder,
 };
 
 use super::ArgExecutor;
diff --git a/src/data/algorithm/bfs.rs b/src/data/algorithm/bfs.rs
index 72a5466..fa3e4dd 100644
--- a/src/data/algorithm/bfs.rs
+++ b/src/data/algorithm/bfs.rs
@@ -5,6 +5,10 @@ use log::debug;
 use crate::data::maps::link_map::LinkMap;
 
 pub fn find_shortest_path(start: i32, end: i32, links: &LinkMap) -> Option<Vec<i32>> {
+    if start == end {
+        return Some(vec![start]);
+    }
+
     let mut queue = VecDeque::new();
     let mut predecessor = HashMap::new();
     let mut visited = HashSet::new(); // note: having a set of visited nodes improves performance by a few percent while increasing memory usage
@@ -67,6 +71,30 @@ mod test {
         assert_eq!(path, Some(vec![1, 2]));
     }
 
+    #[test]
+    fn start_is_end() {
+        let link_map = LinkMap::new_with_progress(
+            vec![(1, 2), (1, 3), (3, 2)].into_iter().collect(),
+            ProgressBuilder::empty(),
+        );
+
+        let path = super::find_shortest_path(1, 1, &link_map);
+
+        assert_eq!(path, Some(vec![1]));
+    }
+
+    #[test]
+    fn no_way() {
+        let link_map = LinkMap::new_with_progress(
+            vec![(1, 2), (1, 3), (3, 2)].into_iter().collect(),
+            ProgressBuilder::empty(),
+        );
+
+        let path = super::find_shortest_path(2, 1, &link_map);
+
+        assert_eq!(path, None);
+    }
+
     #[test]
     fn single_possibility() {
         let link_map = LinkMap::new_with_progress(
diff --git a/src/data/maps/link_map.rs b/src/data/maps/link_map.rs
index ce355da..e12f65e 100644
--- a/src/data/maps/link_map.rs
+++ b/src/data/maps/link_map.rs
@@ -57,7 +57,7 @@ impl LinkMap {
 
 #[test]
 fn new_link_map() {
-    let links = VecDeque::from(vec![(1, 2), (1, 3), (3, 2)]);
+    let links = vec![(1, 2), (1, 3), (3, 2)].into_iter().collect();
 
     let map = LinkMap::new_with_progress(links, ProgressBuilder::empty());