diff --git a/src/i18n/en/dashboard.json b/src/i18n/en/dashboard.json
index f2ad726..c45c20f 100644
--- a/src/i18n/en/dashboard.json
+++ b/src/i18n/en/dashboard.json
@@ -121,5 +121,9 @@
   "Usage stats downloads": "Downloads",
   "Usage stats prints": "Direct prints",
   "Usage stats refresh": "Refresh",
-  "Usage stats load error": "Could not load usage statistics."
+  "Usage stats load error": "Could not load usage statistics.",
+  "Usage stats start date": "Start date",
+  "Usage stats end date": "End date",
+  "Usage stats search": "Search",
+  "Usage stats invalid date range": "Start date must be earlier than or equal to end date."
 }
diff --git a/src/i18n/zh/dashboard.json b/src/i18n/zh/dashboard.json
index 2e67797..e057c44 100644
--- a/src/i18n/zh/dashboard.json
+++ b/src/i18n/zh/dashboard.json
@@ -129,5 +129,9 @@
   "Usage stats downloads": "下載次數",
   "Usage stats prints": "直接列印次數",
   "Usage stats refresh": "重新整理",
-  "Usage stats load error": "無法載入使用統計。"
+  "Usage stats load error": "無法載入使用統計。",
+  "Usage stats start date": "開始日期",
+  "Usage stats end date": "結束日期",
+  "Usage stats search": "搜尋",
+  "Usage stats invalid date range": "開始日期必須早於或等於結束日期。"
 }
diff --git a/src/lib/featureUsageLog.ts b/src/lib/featureUsageLog.ts
index e73b2c9..64e527d 100644
--- a/src/lib/featureUsageLog.ts
+++ b/src/lib/featureUsageLog.ts
@@ -25,6 +25,11 @@ export type FeatureUsageSummaryPayload = {
   truckRoutingSummary: FeatureUsageSummaryRow[];
 };
 
+export type FeatureUsageSummaryFilters = {
+  startDate?: string;
+  endDate?: string;
+};
+
 function toInt(v: unknown): number {
   if (v == null) return 0;
   if (typeof v === "number") return Number.isFinite(v) ? v : 0;
@@ -68,8 +73,19 @@ export function logFeatureUsage(
   })();
 }
 
-export async function fetchFeatureUsageSummary(): Promise<FeatureUsageSummaryPayload> {
-  const res = await clientAuthFetch(`${NEXT_PUBLIC_API_URL}/feature-usage/summary`, {
+export async function fetchFeatureUsageSummary(
+  filters?: FeatureUsageSummaryFilters,
+): Promise<FeatureUsageSummaryPayload> {
+  const params = new URLSearchParams();
+  if (filters?.startDate) {
+    params.set("startDate", filters.startDate);
+  }
+  if (filters?.endDate) {
+    params.set("endDate", filters.endDate);
+  }
+  const query = params.toString();
+  const url = `${NEXT_PUBLIC_API_URL}/feature-usage/summary${query ? `?${query}` : ""}`;
+  const res = await clientAuthFetch(url, {
     method: "GET",
     headers: { Accept: "application/json" },
   });