diff --git a/ui/src/i18n/lib/translate.ts b/ui/src/i18n/lib/translate.ts
index 74b050e2a63..badd868956e 100644
--- a/ui/src/i18n/lib/translate.ts
+++ b/ui/src/i18n/lib/translate.ts
@@ -38,7 +38,7 @@ class I18nManager {
     // Lazy load translations if needed
     if (!this.translations[locale]) {
       try {
-        let module;
+        let module: Record<string, TranslationMap>;
         if (locale === "zh-CN") {
           module = await import("../locales/zh-CN.ts");
         } else if (locale === "zh-TW") {
@@ -48,7 +48,7 @@ class I18nManager {
         } else {
           return;
         }
-        this.translations[locale] = module[locale.replace("-", "_")];
+        this.translations[locale] = module[locale.replace("-", "_")] as TranslationMap;
       } catch (e) {
         console.error(`Failed to load locale: ${locale}`, e);
         return;
diff --git a/ui/src/ui/views/overview.ts b/ui/src/ui/views/overview.ts
index ac6feca5f36..f21f4b4a3fc 100644
--- a/ui/src/ui/views/overview.ts
+++ b/ui/src/ui/views/overview.ts
@@ -2,7 +2,7 @@ import { html } from "lit";
 import type { GatewayHelloOk } from "../gateway.ts";
 import type { UiSettings } from "../storage.ts";
 import { t, i18n, type Locale } from "../../i18n/index.ts";
-import { formatAgo, formatDurationMs } from "../format.ts";
+import { formatRelativeTimestamp, formatDurationHuman } from "../format.ts";
 import { formatNextRun } from "../presenter.ts";
 
 export type OverviewProps = {
@@ -27,7 +27,7 @@ export function renderOverview(props: OverviewProps) {
   const snapshot = props.hello?.snapshot as
     | { uptimeMs?: number; policy?: { tickIntervalMs?: number } }
     | undefined;
-  const uptime = snapshot?.uptimeMs ? formatDurationMs(snapshot.uptimeMs) : t("common.na");
+  const uptime = snapshot?.uptimeMs ? formatDurationHuman(snapshot.uptimeMs) : t("common.na");
   const tick = snapshot?.policy?.tickIntervalMs
     ? `${snapshot.policy.tickIntervalMs}ms`
     : t("common.na");
@@ -211,7 +211,7 @@ export function renderOverview(props: OverviewProps) {
           <div class="stat">
             <div class="stat-label">${t("overview.snapshot.lastChannelsRefresh")}</div>
             <div class="stat-value">
-              ${props.lastChannelsRefresh ? formatAgo(props.lastChannelsRefresh) : t("common.na")}
+              ${props.lastChannelsRefresh ? formatRelativeTimestamp(props.lastChannelsRefresh) : t("common.na")}
             </div>
           </div>
         </div>