diff --git a/src/common/enums/message.enum.ts b/src/common/enums/message.enum.ts
index 8fabe7e..f635400 100755
--- a/src/common/enums/message.enum.ts
+++ b/src/common/enums/message.enum.ts
@@ -719,6 +719,12 @@ export const enum CartMessage {
   WALLET_INSUFFICIENT = 'موجودی کیف پول کافی نیست',
   COUPON_MAX_USES_REACHED = 'حداکثر استفاده از کوپن به پایان رسیده است',
   ITEM_NOT_FOUND = 'آیتم در سبد خرید یافت نشد',
+  DELIVERY_METHOD_NOT_FOUND_FOR_RESTAURANT = 'روش ارسال برای این رستوران یافت نشد',
+  COUPON_CANNOT_BE_APPLIED = 'این کوپن قابل اعمال بر روی آیتم‌های سبد خرید شما نیست. لطفا آیتم‌هایی از دسته‌بندی‌ها یا غذاهای مشخص شده اضافه کنید',
+  FOODS_MUST_HAVE_PICKUP_SERVE_FOR_COURIER = 'تمام غذاها باید قابلیت تحویل پیک داشته باشند. غذاهای زیر این قابلیت را ندارند: [foodTitles]',
+  FOOD_ONLY_AVAILABLE_DURING_MEAL_TIMES = 'غذا [foodTitle] فقط در ساعات وعده‌های غذایی (صبحانه، ناهار، عصرانه یا شام) در دسترس است. زمان فعلی خارج از ساعات وعده‌های غذایی است',
+  FOOD_ONLY_AVAILABLE_FOR_MEAL_TYPES = 'غذا [foodTitle] فقط برای [allowedMealTypes] در دسترس است. زمان فعلی [mealType] است که با این غذا سازگار نیست',
+  FOOD_ONLY_AVAILABLE_ON_DAYS = 'غذا [foodTitle] فقط در روزهای [allowedDays] در دسترس است. امروز [currentDay] است که این غذا در دسترس نیست',
 }
 
 export const enum PaymentMessage {
diff --git a/src/modules/cart/providers/cart-validation.service.ts b/src/modules/cart/providers/cart-validation.service.ts
index cf79146..7d3aa69 100644
--- a/src/modules/cart/providers/cart-validation.service.ts
+++ b/src/modules/cart/providers/cart-validation.service.ts
@@ -17,7 +17,7 @@ import { CartMessage } from 'src/common/enums/message.enum';
 
 @Injectable()
 export class CartValidationService {
-  constructor(private readonly em: EntityManager) {}
+  constructor(private readonly em: EntityManager) { }
 
   /**
    * Validate food exists, belongs to restaurant, has inventory, and check stock
@@ -112,7 +112,7 @@ export class CartValidationService {
     longitude?: number | null,
   ): Promise<void> {
     if (latitude === undefined || latitude === null || longitude === undefined || longitude === null) {
-      throw new BadRequestException('Address does not have coordinates');
+      throw new BadRequestException(CartMessage.ADDRESS_NO_COORDINATES);
     }
 
     const restaurant = await this.getRestaurantOrFail(restaurantId);
@@ -151,9 +151,7 @@ export class CartValidationService {
     });
 
     if (!deliveryMethod) {
-      throw new NotFoundException(
-        `Delivery method with ID ${deliveryMethodId} not found for restaurant ${restaurantId}`,
-      );
+      throw new NotFoundException(CartMessage.DELIVERY_METHOD_NOT_FOUND_FOR_RESTAURANT);
     }
 
     return deliveryMethod;
@@ -275,9 +273,7 @@ export class CartValidationService {
       if (matchesCategory || matchesFood) return;
     }
 
-    throw new BadRequestException(
-      'This coupon cannot be applied to the items in your cart. Please add items from the specified categories or foods.',
-    );
+    throw new BadRequestException(CartMessage.COUPON_CANNOT_BE_APPLIED);
   }
 
   /**
@@ -311,7 +307,7 @@ export class CartValidationService {
     if (foodsWithoutPickupServe.length > 0) {
       const foodTitles = foodsWithoutPickupServe.map(f => f.title || f.id).join(', ');
       throw new BadRequestException(
-        `All foods must have pickupServe enabled for courier delivery. The following foods do not: ${foodTitles}`,
+        CartMessage.FOODS_MUST_HAVE_PICKUP_SERVE_FOR_COURIER.replace('[foodTitles]', foodTitles),
       );
     }
   }
@@ -376,16 +372,27 @@ export class CartValidationService {
 
     // If current time is outside meal hours, throw error
     if (mealType === null) {
+      const foodTitle = food.title || food.id;
       throw new BadRequestException(
-        `Food ${food.title || food.id} is only available during meal times (breakfast, lunch, snack, or dinner). Current time is outside meal hours.`,
+        CartMessage.FOOD_ONLY_AVAILABLE_DURING_MEAL_TIMES.replace('[foodTitle]', foodTitle),
       );
     }
 
     // Check if current meal type is in food's allowed meal types
     if (!food.mealTypes.includes(mealType)) {
-      const allowedMealTypes = food.mealTypes.join(', ');
+      const foodTitle = food.title || food.id;
+      const mealTypeMap: Record<MealType, string> = {
+        [MealType.BREAKFAST]: 'صبحانه',
+        [MealType.LUNCH]: 'ناهار',
+        [MealType.SNACK]: 'عصرانه',
+        [MealType.DINNER]: 'شام',
+      };
+      const allowedMealTypes = food.mealTypes.map(mt => mealTypeMap[mt]).join(', ');
+      const currentMealType = mealType ? mealTypeMap[mealType] : mealType;
       throw new BadRequestException(
-        `Food ${food.title || food.id} is only available for ${allowedMealTypes}. Current meal time is ${mealType}, which is incompatible.`,
+        CartMessage.FOOD_ONLY_AVAILABLE_FOR_MEAL_TYPES.replace('[foodTitle]', foodTitle)
+          .replace('[allowedMealTypes]', allowedMealTypes)
+          .replace('[mealType]', currentMealType),
       );
     }
   }
@@ -403,11 +410,14 @@ export class CartValidationService {
 
     // Check if current weekday is in food's allowed weekdays
     if (!food.weekDays.includes(iranWeekDay)) {
-      const dayNames = ['Saturday', 'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday'];
+      const dayNames = ['شنبه', 'یکشنبه', 'دوشنبه', 'سه‌شنبه', 'چهارشنبه', 'پنج‌شنبه', 'جمعه'];
       const currentDayName = dayNames[iranWeekDay];
       const allowedDays = food.weekDays.map(day => dayNames[day]).join(', ');
+      const foodTitle = food.title || food.id;
       throw new BadRequestException(
-        `Food ${food.title || food.id} is only available on ${allowedDays}. Today is ${currentDayName}, which is not available.`,
+        CartMessage.FOOD_ONLY_AVAILABLE_ON_DAYS.replace('[foodTitle]', foodTitle)
+          .replace('[allowedDays]', allowedDays)
+          .replace('[currentDay]', currentDayName),
       );
     }
   }
diff --git a/src/seeders/foods.seeder.ts b/src/seeders/foods.seeder.ts
index 2b01d12..c84e3b6 100644
--- a/src/seeders/foods.seeder.ts
+++ b/src/seeders/foods.seeder.ts
@@ -35,8 +35,8 @@ export class FoodsSeeder {
           mealTypes: foodData.mealTypes ?? [],
           discount: foodData.discount ?? 0,
           score: foodData.score ?? 0,
-          inPlaceServe: foodData.inPlaceServe ?? false,
-          pickupServe: foodData.pickupServe ?? false,
+          inPlaceServe: true,
+          pickupServe: true,
           images: foodData.images,
           isSpecialOffer: foodData.isSpecialOffer ?? false,
         });