diff --git a/apps/api/src/integrations/tahesab/person-link.service.ts b/apps/api/src/integrations/tahesab/person-link.service.ts
index 38cc2dd..83049a3 100644
--- a/apps/api/src/integrations/tahesab/person-link.service.ts
+++ b/apps/api/src/integrations/tahesab/person-link.service.ts
@@ -465,6 +465,7 @@ export class TahesabPersonLinkService {
   async importFromTahesab(
     organizationId: string,
     dto: ImportFromTahesabDto,
+    prefetched?: { api: TahesabApi; row?: Record<string, unknown> },
   ) {
     const clash = await this.prisma.personAccountingLink.findFirst({
       where: {
@@ -479,16 +480,19 @@ export class TahesabPersonLinkService {
       );
     }
 
-    const { api } = await this.connections.getApi(
-      organizationId,
-      dto.connectionId,
-    );
-    const raw = await api.doListMoshtariByCode(
-      dto.moshtariCode,
-      dto.moshtariCode,
-    );
-    const rows = asMoshtariList(raw);
-    const row = rows[0] ?? {};
+    let row: Record<string, unknown>;
+    if (prefetched?.row) {
+      row = prefetched.row;
+    } else {
+      const api =
+        prefetched?.api ??
+        (await this.connections.getApi(organizationId, dto.connectionId)).api;
+      const raw = await api.doListMoshtariByCode(
+        dto.moshtariCode,
+        dto.moshtariCode,
+      );
+      row = (asMoshtariList(raw)[0] ?? {}) as Record<string, unknown>;
+    }
     const name = pickName(row) || `مشتری ته‌حساب ${dto.moshtariCode}`;
     const tel = pickTel(row);
     const parts = name.trim().split(/\s+/);
@@ -668,24 +672,49 @@ export class TahesabPersonLinkService {
       error?: string;
     }> = [];
 
+    const existingLinks = await this.prisma.personAccountingLink.findMany({
+      where: { connectionId: dto.connectionId, moshtariCode: { in: codes } },
+      select: { moshtariCode: true, personId: true },
+    });
+    const linkedByCode = new Map(existingLinks.map((l) => [l.moshtariCode, l.personId]));
+    const pending = codes.filter((c) => !linkedByCode.has(c));
+
+    let bulkApi: TahesabApi | undefined;
+    const rowsByCode = new Map<number, Record<string, unknown>>();
+    if (pending.length) {
+      bulkApi = (await this.connections.getApi(organizationId, dto.connectionId)).api;
+      const minCode = Math.min(...pending);
+      const maxCode = Math.max(...pending);
+      if (maxCode - minCode <= 2000) {
+        try {
+          const raw = await bulkApi.doListMoshtariByCode(minCode, maxCode);
+          for (const row of asMoshtariList(raw)) {
+            const code = pickCode(row);
+            if (code != null) rowsByCode.set(code, row);
+          }
+        } catch {
+          /* fallback: per-code fetch inside importFromTahesab */
+        }
+      }
+    }
+
     for (const moshtariCode of codes) {
       try {
-        const existing = await this.prisma.personAccountingLink.findFirst({
-          where: { connectionId: dto.connectionId, moshtariCode },
-        });
-        if (existing) {
+        const linkedPersonId = linkedByCode.get(moshtariCode);
+        if (linkedPersonId) {
           items.push({
             moshtariCode,
             ok: true,
             skipped: true,
-            personId: existing.personId,
+            personId: linkedPersonId,
           });
           continue;
         }
-        const r = await this.importFromTahesab(organizationId, {
-          connectionId: dto.connectionId,
-          moshtariCode,
-        });
+        const r = await this.importFromTahesab(
+          organizationId,
+          { connectionId: dto.connectionId, moshtariCode },
+          bulkApi ? { api: bulkApi, row: rowsByCode.get(moshtariCode) } : undefined,
+        );
         items.push({ moshtariCode, ok: true, personId: r.personId });
       } catch (e) {
         const message =
diff --git a/apps/web/src/views/TahesabSettingsView.vue b/apps/web/src/views/TahesabSettingsView.vue
index 9b72c44..f34a242 100644
--- a/apps/web/src/views/TahesabSettingsView.vue
+++ b/apps/web/src/views/TahesabSettingsView.vue
@@ -10,8 +10,10 @@ import type {
   UpdateTahesabConnectionRequest,
 } from '@mento/shared';
 import { brand } from '@mento/shared';
+import { toFaDigits } from '@/lib/jalali';
 import {
   UiBadge,
+  UiBusyOverlay,
   UiButton,
   UiCard,
   UiField,
@@ -48,6 +50,13 @@ const sync = reactive({
   toCode: '',
 });
 const syncBusy = ref(false);
+/** تعداد مشتری در هر درخواست ورود دسته‌ای (برای جلوگیری از تایم‌اوت و نمایش درصد) */
+const IMPORT_CHUNK = 25;
+const importOverlay = reactive<{ open: boolean; message: string; progress: number | null }>({
+  open: false,
+  message: '',
+  progress: null,
+});
 type SyncResult = {
   moshtariCode: number | null;
   name: string;
@@ -475,18 +484,72 @@ async function importBulk(mode: 'results' | 'range') {
       body.toCode = toCode;
     }
   }
+  syncBusy.value = true;
+  importOverlay.open = true;
+  importOverlay.progress = 0;
+  importOverlay.message = 'در حال آماده‌سازی فهرست مشتریان…';
+  const totals = { imported: 0, skipped: 0, failed: 0 };
+  let firstError = '';
   try {
-    syncBusy.value = true;
-    const { data } = await api.post<{
-      imported: number;
-      skipped: number;
-      failed: number;
-    }>('/integrations/tahesab/sync/import-bulk', body);
-    ok.value = `وارد شد: ${data.imported} · قبلاً بود: ${data.skipped} · ناموفق: ${data.failed}`;
-    await searchTahesab(mode === 'range' ? 'range' : 'filter');
+    let codes: number[];
+    if (Array.isArray(body.moshtariCodes)) {
+      codes = body.moshtariCodes as number[];
+    } else {
+      const { data } = await api.post<{ results: SyncResult[] }>(
+        '/integrations/tahesab/sync/search',
+        body,
+        { timeout: 90_000 },
+      );
+      const found = data.results ?? [];
+      totals.skipped += found.filter((r) => r.alreadyLinked).length;
+      codes = found
+        .filter((r) => r.moshtariCode != null && !r.alreadyLinked)
+        .map((r) => r.moshtariCode as number);
+    }
+
+    const total = codes.length;
+    for (let i = 0; i < total; i += IMPORT_CHUNK) {
+      const chunk = codes.slice(i, i + IMPORT_CHUNK);
+      importOverlay.message = `در حال وارد کردن مشتریان… ${toFaDigits(Math.min(i + chunk.length, total))} از ${toFaDigits(total)}`;
+      try {
+        const { data } = await api.post<{
+          imported: number;
+          skipped: number;
+          failed: number;
+          items?: Array<{ moshtariCode: number; ok: boolean; personId?: string; error?: string }>;
+        }>(
+          '/integrations/tahesab/sync/import-bulk',
+          { connectionId: sync.connectionId, moshtariCodes: chunk },
+          { timeout: 120_000 },
+        );
+        totals.imported += data.imported;
+        totals.skipped += data.skipped;
+        totals.failed += data.failed;
+        for (const item of data.items ?? []) {
+          if (!item.ok) {
+            if (!firstError && item.error) firstError = item.error;
+            continue;
+          }
+          const row = syncResults.value.find((r) => r.moshtariCode === item.moshtariCode);
+          if (row) {
+            row.alreadyLinked = true;
+            if (item.personId) row.personId = item.personId;
+          }
+        }
+      } catch (e) {
+        totals.failed += chunk.length;
+        if (!firstError) firstError = apiErr(e, 'خطا در ارسال');
+      }
+      importOverlay.progress = total ? ((i + chunk.length) / total) * 100 : 100;
+    }
+
+    ok.value = `وارد شد: ${toFaDigits(totals.imported)} · قبلاً بود: ${toFaDigits(totals.skipped)} · ناموفق: ${toFaDigits(totals.failed)}`;
+    if (firstError) error.value = `برخی موارد وارد نشدند: ${firstError}`;
   } catch (e) {
     error.value = apiErr(e, 'وارد کردن دسته‌ای ناموفق');
   } finally {
+    importOverlay.open = false;
+    importOverlay.progress = null;
     syncBusy.value = false;
   }
 }
@@ -980,6 +1043,12 @@ onMounted(load);
         </div>
       </div>
     </UiCard>
+
+    <UiBusyOverlay
+      :open="importOverlay.open"
+      :message="importOverlay.message"
+      :progress="importOverlay.progress"
+    />
   </section>
 </template>