diff --git a/src/get-user/khanegi-nav-sample.ts b/src/get-user/khanegi-nav-sample.ts
index f90ad1e..f8d73b4 100644
--- a/src/get-user/khanegi-nav-sample.ts
+++ b/src/get-user/khanegi-nav-sample.ts
@@ -31,6 +31,20 @@ export const KHANEGI_SAMPLE_BOTTOM: KhanegiNavItem[] = [
   { id: 'user', label: 'تنظیمات', icon: 'vuesax-linear:setting-2', route: 'user', order: 4, visible: true },
 ]
 
+function cloneJson<T>(value: T): T {
+  return JSON.parse(JSON.stringify(value)) as T
+}
+
+export function getKhanegiBottomNavChoices(): KhanegiNavItem[] {
+  const byId = new Map<string, KhanegiNavItem>()
+  for (const item of KHANEGI_SAMPLE_BOTTOM) byId.set(item.id, cloneJson(item))
+  for (const item of KHANEGI_SAMPLE_SIDEBAR) {
+    if (item.id === 'home') continue
+    if (!byId.has(item.id)) byId.set(item.id, cloneJson(item))
+  }
+  return Array.from(byId.values())
+}
+
 export function mergeNavItemsFromSample(
   sample: KhanegiNavItem[],
   stored: unknown,
@@ -72,11 +86,52 @@ export function mergeNavItemsFromSample(
   return kept.map((item, index) => ({ ...item, order: index + 1 }))
 }
 
+/** دقیقاً ۴ جایگاه؛ انتخاب ذخیره‌شده از کاتالوگ، بقیه از پیش‌فرض پر می‌شود */
+export function mergeBottomNavSlots(stored: unknown): KhanegiNavItem[] {
+  const choices = getKhanegiBottomNavChoices()
+  const defaults = KHANEGI_SAMPLE_BOTTOM.slice(0, MAX_BOTTOM_NAV_SLOTS)
+  const byId = new Map(choices.map((item) => [item.id, item]))
+  const slots: KhanegiNavItem[] = []
+  const seen = new Set<string>()
+  const storedList = Array.isArray(stored) ? stored : []
+
+  for (const prev of storedList) {
+    if (slots.length >= MAX_BOTTOM_NAV_SLOTS) break
+    if (!prev || typeof prev !== 'object' || typeof prev.id !== 'string') continue
+    if (seen.has(prev.id)) continue
+    const base = byId.get(prev.id)
+    if (!base) continue
+    seen.add(prev.id)
+    slots.push({
+      ...base,
+      label: prev.label || base.label,
+      icon: prev.icon || base.icon,
+      visible: typeof prev.visible === 'boolean' ? prev.visible : true,
+      query: prev.query ?? base.query,
+    })
+  }
+
+  for (const item of defaults) {
+    if (slots.length >= MAX_BOTTOM_NAV_SLOTS) break
+    if (seen.has(item.id)) continue
+    seen.add(item.id)
+    slots.push({ ...item, visible: true })
+  }
+
+  for (const item of choices) {
+    if (slots.length >= MAX_BOTTOM_NAV_SLOTS) break
+    if (seen.has(item.id)) continue
+    seen.add(item.id)
+    slots.push({ ...item, visible: true })
+  }
+
+  return slots.slice(0, MAX_BOTTOM_NAV_SLOTS).map((item, index) => ({
+    ...item,
+    order: index + 1,
+  }))
+}
+
 export function applyKhanegiNavSample(navigation: Record<string, any>) {
   navigation.sidebar = mergeNavItemsFromSample(KHANEGI_SAMPLE_SIDEBAR, navigation.sidebar)
-  navigation.bottom = mergeNavItemsFromSample(
-    KHANEGI_SAMPLE_BOTTOM.slice(0, MAX_BOTTOM_NAV_SLOTS),
-    navigation.bottom,
-    MAX_BOTTOM_NAV_SLOTS,
-  ).slice(0, MAX_BOTTOM_NAV_SLOTS)
+  navigation.bottom = mergeBottomNavSlots(navigation.bottom)
 }