diff --git a/history-server/main.go b/history-server/main.go
index 13d141f..ecf57a8 100644
--- a/history-server/main.go
+++ b/history-server/main.go
@@ -424,7 +424,6 @@ func rebuildDashySections() {
 	}
 
 	// 收集所有导航项（排除历史访问 section 本身），带 host 访问量
-	hv := hostVisits()
 	navVisits := loadNavVisits() // 导航项点击计数：常用服务的唯一依据
 
 	type cand struct {
diff --git a/history-server/main_test.go b/history-server/main_test.go
index 5e3588d..60b2a21 100644
--- a/history-server/main_test.go
+++ b/history-server/main_test.go
@@ -1,6 +1,10 @@
 package main
 
-import "testing"
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
 
 func TestFriendlyHistoryTitle(t *testing.T) {
 	cases := []struct {