diff --git a/app/Exceptions/Handler.php b/app/Exceptions/Handler.php
index 8e7fbd1..802d61a 100644
--- a/app/Exceptions/Handler.php
+++ b/app/Exceptions/Handler.php
@@ -37,5 +37,18 @@ class Handler extends ExceptionHandler
         $this->reportable(function (Throwable $e) {
             //
         });
+
+        $this->renderable(function (\Illuminate\Database\QueryException $e, $request) {
+            if ((int) ($e->errorInfo[1] ?? 0) !== 1264) {
+                return null;
+            }
+            if (! $request->expectsJson()) {
+                return null;
+            }
+
+            return response()->json([
+                'message' => 'ثبت سفارش به‌خاطر محدودیت فیلد قیمت ممکن نشد. لطفاً دوباره تلاش کنید.',
+            ], 422);
+        });
     }
 }
diff --git a/app/Http/Controllers/Single/SingleOrderController.php b/app/Http/Controllers/Single/SingleOrderController.php
index d0268f4..9ec2bea 100644
--- a/app/Http/Controllers/Single/SingleOrderController.php
+++ b/app/Http/Controllers/Single/SingleOrderController.php
@@ -1801,6 +1801,30 @@ class SingleOrderController extends Controller
             $data['_fee_uses_app_price'],
             $data['_fee_base_price']
         );
+
+        $this->roundOrderMoneyFields($data);
+    }
+
+    /** اعداد پولی سفارش را قبل از INSERT گرد کن تا با DECIMAL(20,4) سازگار باشد. */
+    private function roundOrderMoneyFields(array &$data): void
+    {
+        foreach ([
+            'price',
+            'price_original',
+            'total_price',
+            'total_price_original',
+            'total_price_liman',
+            'fee',
+            'total_fee',
+            'service_charge_price',
+            'payment_amount',
+            'payment_remind',
+        ] as $key) {
+            if (!isset($data[$key]) || !is_numeric($data[$key])) {
+                continue;
+            }
+            $data[$key] = round((float) $data[$key], 4);
+        }
     }
 
     private function bonusGift($customer, $referrer)
diff --git a/database/migrations/2026_08_31_000001_widen_orders_price_columns.php b/database/migrations/2026_08_31_000001_widen_orders_price_columns.php
new file mode 100644
index 0000000..a2d7fde
--- /dev/null
+++ b/database/migrations/2026_08_31_000001_widen_orders_price_columns.php
@@ -0,0 +1,78 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+/**
+ * مظنهٔ گرم طلا از سقف DECIMAL(10,2) / INT قدیمی رد شده (خطای 1264 روی orders.price).
+ */
+return new class extends Migration
+{
+    /** @var list<string> */
+    private const ORDER_MONEY_COLUMNS = [
+        'price',
+        'price_original',
+        'total_price',
+        'total_price_original',
+        'total_price_liman',
+        'fee',
+        'total_fee',
+        'service_charge_price',
+        'payment_amount',
+        'payment_remind',
+    ];
+
+    public function up(): void
+    {
+        if (Schema::hasTable('orders')) {
+            foreach (self::ORDER_MONEY_COLUMNS as $column) {
+                $this->widenMoneyColumn('orders', $column);
+            }
+        }
+
+        if (Schema::hasTable('prices')) {
+            $this->widenMoneyColumn('prices', 'price');
+        }
+    }
+
+    public function down(): void
+    {
+        // کوچک‌کردن ستون دادهٔ موجود را خراب می‌کند
+    }
+
+    private function widenMoneyColumn(string $table, string $column): void
+    {
+        $schema = DB::connection()->getDatabaseName();
+        $tableName = DB::getTablePrefix().$table;
+
+        $meta = DB::selectOne(
+            'SELECT DATA_TYPE, NUMERIC_PRECISION, NUMERIC_SCALE
+             FROM information_schema.COLUMNS
+             WHERE TABLE_SCHEMA = ? AND TABLE_NAME = ? AND COLUMN_NAME = ?',
+            [$schema, $tableName, $column]
+        );
+
+        if ($meta === null) {
+            return;
+        }
+
+        $type = strtolower((string) $meta->DATA_TYPE);
+        $precision = (int) ($meta->NUMERIC_PRECISION ?? 0);
+        $scale = (int) ($meta->NUMERIC_SCALE ?? 0);
+        $integerDigits = in_array($type, ['decimal', 'numeric'], true)
+            ? max(0, $precision - $scale)
+            : $precision;
+
+        $alreadyWideDecimal = in_array($type, ['decimal', 'numeric'], true)
+            && $integerDigits >= 16
+            && $scale >= 4;
+        $alreadyBigint = $type === 'bigint';
+
+        if ($alreadyWideDecimal || $alreadyBigint) {
+            return;
+        }
+
+        DB::statement("ALTER TABLE `{$tableName}` MODIFY `{$column}` DECIMAL(20,4) NULL");
+    }
+};
diff --git a/database/sql/deploy_safe_schema.sql b/database/sql/deploy_safe_schema.sql
index bb79cd7..64aacec 100644
--- a/database/sql/deploy_safe_schema.sql
+++ b/database/sql/deploy_safe_schema.sql
@@ -610,6 +610,142 @@ PREPARE stmt FROM @sql;
 EXECUTE stmt;
 DEALLOCATE PREPARE stmt;
 
+-- ---------------------------------------------------------------------------
+-- orders / prices: ظرفیت مظنهٔ ریالی (خطای 1264 Out of range column price)
+-- DECIMAL(10,2) حداکثر ~۹۹ میلیون است؛ مظنهٔ گرم طلا از این سقف گذشته.
+-- ---------------------------------------------------------------------------
+SET @sql = IF(
+    (SELECT COUNT(*) FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='price') > 0
+    AND (SELECT DATA_TYPE FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='price') <> 'bigint'
+    AND (SELECT IFNULL(NUMERIC_PRECISION, 0) FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='price') < 20,
+    'ALTER TABLE `orders` MODIFY `price` DECIMAL(20,4) NULL',
+    'SELECT ''skip orders.price widen'' AS info'
+);
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+SET @sql = IF(
+    (SELECT COUNT(*) FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='price_original') > 0
+    AND (SELECT DATA_TYPE FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='price_original') <> 'bigint'
+    AND (SELECT IFNULL(NUMERIC_PRECISION, 0) FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='price_original') < 20,
+    'ALTER TABLE `orders` MODIFY `price_original` DECIMAL(20,4) NULL',
+    'SELECT ''skip orders.price_original widen'' AS info'
+);
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+SET @sql = IF(
+    (SELECT COUNT(*) FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='total_price') > 0
+    AND (SELECT DATA_TYPE FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='total_price') <> 'bigint'
+    AND (SELECT IFNULL(NUMERIC_PRECISION, 0) FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='total_price') < 20,
+    'ALTER TABLE `orders` MODIFY `total_price` DECIMAL(20,4) NULL',
+    'SELECT ''skip orders.total_price widen'' AS info'
+);
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+SET @sql = IF(
+    (SELECT COUNT(*) FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='total_price_original') > 0
+    AND (SELECT DATA_TYPE FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='total_price_original') <> 'bigint'
+    AND (SELECT IFNULL(NUMERIC_PRECISION, 0) FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='total_price_original') < 20,
+    'ALTER TABLE `orders` MODIFY `total_price_original` DECIMAL(20,4) NULL',
+    'SELECT ''skip orders.total_price_original widen'' AS info'
+);
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+SET @sql = IF(
+    (SELECT COUNT(*) FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='fee') > 0
+    AND (SELECT DATA_TYPE FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='fee') <> 'bigint'
+    AND (SELECT IFNULL(NUMERIC_PRECISION, 0) FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='fee') < 20,
+    'ALTER TABLE `orders` MODIFY `fee` DECIMAL(20,4) NULL',
+    'SELECT ''skip orders.fee widen'' AS info'
+);
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+SET @sql = IF(
+    (SELECT COUNT(*) FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='total_fee') > 0
+    AND (SELECT DATA_TYPE FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='total_fee') <> 'bigint'
+    AND (SELECT IFNULL(NUMERIC_PRECISION, 0) FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='total_fee') < 20,
+    'ALTER TABLE `orders` MODIFY `total_fee` DECIMAL(20,4) NULL',
+    'SELECT ''skip orders.total_fee widen'' AS info'
+);
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+SET @sql = IF(
+    (SELECT COUNT(*) FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='service_charge_price') > 0
+    AND (SELECT DATA_TYPE FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='service_charge_price') <> 'bigint'
+    AND (SELECT IFNULL(NUMERIC_PRECISION, 0) FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='service_charge_price') < 20,
+    'ALTER TABLE `orders` MODIFY `service_charge_price` DECIMAL(20,4) NULL',
+    'SELECT ''skip orders.service_charge_price widen'' AS info'
+);
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+SET @sql = IF(
+    (SELECT COUNT(*) FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='payment_amount') > 0
+    AND (SELECT DATA_TYPE FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='payment_amount') <> 'bigint'
+    AND (SELECT IFNULL(NUMERIC_PRECISION, 0) FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='payment_amount') < 20,
+    'ALTER TABLE `orders` MODIFY `payment_amount` DECIMAL(20,4) NULL',
+    'SELECT ''skip orders.payment_amount widen'' AS info'
+);
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+SET @sql = IF(
+    (SELECT COUNT(*) FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='payment_remind') > 0
+    AND (SELECT DATA_TYPE FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='payment_remind') <> 'bigint'
+    AND (SELECT IFNULL(NUMERIC_PRECISION, 0) FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='payment_remind') < 20,
+    'ALTER TABLE `orders` MODIFY `payment_remind` DECIMAL(20,4) NULL',
+    'SELECT ''skip orders.payment_remind widen'' AS info'
+);
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+SET @sql = IF(
+    (SELECT COUNT(*) FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='total_price_liman') > 0
+    AND (SELECT DATA_TYPE FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='total_price_liman') <> 'bigint'
+    AND (SELECT IFNULL(NUMERIC_PRECISION, 0) FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='orders' AND COLUMN_NAME='total_price_liman') < 20,
+    'ALTER TABLE `orders` MODIFY `total_price_liman` DECIMAL(20,4) NULL',
+    'SELECT ''skip orders.total_price_liman widen'' AS info'
+);
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+SET @sql = IF(
+    (SELECT COUNT(*) FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='prices' AND COLUMN_NAME='price') > 0
+    AND (SELECT DATA_TYPE FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='prices' AND COLUMN_NAME='price') <> 'bigint'
+    AND (SELECT IFNULL(NUMERIC_PRECISION, 0) FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA=@db AND TABLE_NAME='prices' AND COLUMN_NAME='price') < 20,
+    'ALTER TABLE `prices` MODIFY `price` DECIMAL(20,4) NULL',
+    'SELECT ''skip prices.price widen'' AS info'
+);
+PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
 -- ---------------------------------------------------------------------------
 -- پایان — برای بورس‌مس (اختیاری، جدا اجرا کنید):
 -- UPDATE `settings` SET `value` = 'کیلوگرم' WHERE `key` = 'unit';