diff --git a/database/migrations/2026_07_04_000002_change_cash_fee_columns_to_decimal_on_products_table.php b/database/migrations/2026_07_04_000002_change_cash_fee_columns_to_decimal_on_products_table.php
index a348816..504807a 100644
--- a/database/migrations/2026_07_04_000002_change_cash_fee_columns_to_decimal_on_products_table.php
+++ b/database/migrations/2026_07_04_000002_change_cash_fee_columns_to_decimal_on_products_table.php
@@ -13,11 +13,12 @@ return new class extends Migration
         }
 
         if (Schema::hasColumn('products', 'cash_fee_buy')) {
-            DB::statement('ALTER TABLE `products` MODIFY COLUMN `cash_fee_buy` DECIMAL(10,4) NULL DEFAULT NULL');
+            // DECIMAL(10,4) فقط تا ~999999 — کارمزد ریالی ثابت (مثلاً ۵M) جا نمی‌شود
+            DB::statement('ALTER TABLE `products` MODIFY COLUMN `cash_fee_buy` DECIMAL(14,4) NULL DEFAULT NULL');
         }
 
         if (Schema::hasColumn('products', 'cash_fee_sell')) {
-            DB::statement('ALTER TABLE `products` MODIFY COLUMN `cash_fee_sell` DECIMAL(10,4) NULL DEFAULT NULL');
+            DB::statement('ALTER TABLE `products` MODIFY COLUMN `cash_fee_sell` DECIMAL(14,4) NULL DEFAULT NULL');
         }
     }
 
diff --git a/database/sql/deploy_safe_schema.sql b/database/sql/deploy_safe_schema.sql
index 1b507da..545b8d9 100644
--- a/database/sql/deploy_safe_schema.sql
+++ b/database/sql/deploy_safe_schema.sql
@@ -375,7 +375,7 @@ SET @sql = IF(
         WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'products') > 0
     AND (SELECT COUNT(*) FROM information_schema.COLUMNS
         WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'products' AND COLUMN_NAME = 'cash_fee_buy') > 0,
-    'ALTER TABLE `products` MODIFY COLUMN `cash_fee_buy` DECIMAL(10,4) NULL DEFAULT NULL',
+    'ALTER TABLE `products` MODIFY COLUMN `cash_fee_buy` DECIMAL(14,4) NULL DEFAULT NULL',
     'SELECT ''skip products.cash_fee_buy decimal'' AS info'
 );
 PREPARE stmt FROM @sql;
@@ -387,7 +387,7 @@ SET @sql = IF(
         WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'products') > 0
     AND (SELECT COUNT(*) FROM information_schema.COLUMNS
         WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'products' AND COLUMN_NAME = 'cash_fee_sell') > 0,
-    'ALTER TABLE `products` MODIFY COLUMN `cash_fee_sell` DECIMAL(10,4) NULL DEFAULT NULL',
+    'ALTER TABLE `products` MODIFY COLUMN `cash_fee_sell` DECIMAL(14,4) NULL DEFAULT NULL',
     'SELECT ''skip products.cash_fee_sell decimal'' AS info'
 );
 PREPARE stmt FROM @sql;
@@ -404,7 +404,7 @@ SET @sql = IF(
         WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'products' AND COLUMN_NAME = 'cash_fee_buy') > 0
     AND (SELECT DATA_TYPE FROM information_schema.COLUMNS
         WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'products' AND COLUMN_NAME = 'cash_fee_buy' LIMIT 1) <> 'decimal',
-    'ALTER TABLE `products` MODIFY COLUMN `cash_fee_buy` DECIMAL(10,4) NULL DEFAULT NULL',
+    'ALTER TABLE `products` MODIFY COLUMN `cash_fee_buy` DECIMAL(14,4) NULL DEFAULT NULL',
     'SELECT ''skip products.cash_fee_buy decimal'' AS info'
 );
 PREPARE stmt FROM @sql;
@@ -418,7 +418,7 @@ SET @sql = IF(
         WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'products' AND COLUMN_NAME = 'cash_fee_sell') > 0
     AND (SELECT DATA_TYPE FROM information_schema.COLUMNS
         WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'products' AND COLUMN_NAME = 'cash_fee_sell' LIMIT 1) <> 'decimal',
-    'ALTER TABLE `products` MODIFY COLUMN `cash_fee_sell` DECIMAL(10,4) NULL DEFAULT NULL',
+    'ALTER TABLE `products` MODIFY COLUMN `cash_fee_sell` DECIMAL(14,4) NULL DEFAULT NULL',
     'SELECT ''skip products.cash_fee_sell decimal'' AS info'
 );
 PREPARE stmt FROM @sql;