diff --git a/src/modules/admin-dashboard/admin-dashboard.service.ts b/src/modules/admin-dashboard/admin-dashboard.service.ts
index 79600c2..f0acec6 100644
--- a/src/modules/admin-dashboard/admin-dashboard.service.ts
+++ b/src/modules/admin-dashboard/admin-dashboard.service.ts
@@ -11,6 +11,8 @@ export class AdminDashboardService {
     const tomorrow = new Date(today);
     tomorrow.setDate(tomorrow.getDate() + 1);
 
+    const safe = async <T>(fn: () => Promise<T>, fallback: T): Promise<T> => { try { return await fn() } catch { return fallback } };
+
     const [
       totalUsers,
       newUsersToday,
@@ -21,24 +23,14 @@ export class AdminDashboardService {
       totalFiles,
       storageAgg,
     ] = await Promise.all([
-      this.prisma.user.count({ where: { deletedAt: null } }),
-      this.prisma.user.count({
-        where: { createdAt: { gte: today, lt: tomorrow }, deletedAt: null },
-      }),
-      this.prisma.dailyLearningActivity.count({
-        where: { activityDate: { gte: today, lt: tomorrow } },
-      }),
-      this.prisma.knowledgeBase.count({ where: { deletedAt: null } }),
-      this.prisma.knowledgeBase.count({
-        where: { createdAt: { gte: today, lt: tomorrow }, deletedAt: null },
-      }),
-      this.prisma.aiUsageLog.count({
-        where: { createdAt: { gte: today, lt: tomorrow } },
-      }),
-      this.prisma.uploadedFile.count(),
-      this.prisma.uploadedFile.aggregate({
-        _sum: { sizeBytes: true },
-      }),
+      safe(() => this.prisma.user.count({ where: { deletedAt: null } }), 0),
+      safe(() => this.prisma.user.count({ where: { createdAt: { gte: today, lt: tomorrow }, deletedAt: null } }), 0),
+      safe(() => this.prisma.dailyLearningActivity.count({ where: { activityDate: { gte: today, lt: tomorrow } } }), 0),
+      safe(() => this.prisma.knowledgeBase.count({ where: { deletedAt: null } }), 0),
+      safe(() => this.prisma.knowledgeBase.count({ where: { createdAt: { gte: today, lt: tomorrow }, deletedAt: null } }), 0),
+      safe(() => this.prisma.aiUsageLog.count({ where: { createdAt: { gte: today, lt: tomorrow } } }), 0),
+      safe(() => this.prisma.uploadedFile.count(), 0),
+      safe(() => this.prisma.uploadedFile.aggregate({ _sum: { sizeBytes: true } }), { _sum: { sizeBytes: 0 } }),
     ]);
 
     const userTrend = await this.getUserTrend(30);