diff --git a/app/Http/Controllers/Customer/WalletController.php b/app/Http/Controllers/Customer/WalletController.php
index 0e89ac0..58ac749 100644
--- a/app/Http/Controllers/Customer/WalletController.php
+++ b/app/Http/Controllers/Customer/WalletController.php
@@ -179,21 +179,11 @@ class WalletController extends Controller
         }
         
         $wallet_interface_fund = new WalletInterface(auth('customer')->id(), auth('customer')->user()->type);
-        $wallet = $wallet_interface_fund->wallet;
         if ($data['value'] < 0) {
             throw new UnprocessableEntityHttpException('مقدار برداشت باید مثبت باشد');
         }
-        if ($data['value'] > $wallet->cash) {
-            throw new UnprocessableEntityHttpException('مقدار برداشت بیشتر از موجودی است');
-        }
 
-        $min_withdraw = Setting::where('is_active', 1)
-            ->where('key', 'min_withdraw')
-            ->first();
-
-        if ($min_withdraw && (int) $min_withdraw->value > $data['value']) {
-            throw new UnprocessableEntityHttpException('حداقل مقدار برداشت ' . number_format((int) $min_withdraw->value) . ' ریال است');
-        }
+        $this->validateWithdrawAmount((int) $data['value']);
 
         $Withdraw = Withdraw::create([
             'customer_id' => auth('customer')->id(),
@@ -324,6 +314,16 @@ class WalletController extends Controller
 
     public function withdrawOtp(Request $request)
     {
+        $data = $request->all();
+        if (!isset($data['value'])) {
+            return response()->json(['message' => 'مبلغ برداشت مشخص نشده است'], 422);
+        }
+        if ($data['value'] < 0) {
+            throw new UnprocessableEntityHttpException('مقدار برداشت باید مثبت باشد');
+        }
+
+        $this->validateWithdrawAmount((int) $data['value']);
+
         $customer = auth('customer')->user();
         $otp = rand(1000, 9999);
         $customer->token_sms = $otp;
@@ -335,6 +335,24 @@ class WalletController extends Controller
         return response()->json(true);
     }
 
+    private function validateWithdrawAmount(int $value): void
+    {
+        $wallet_interface_fund = new WalletInterface(auth('customer')->id(), auth('customer')->user()->type);
+        $wallet = $wallet_interface_fund->wallet;
+
+        if ($value > $wallet->cash) {
+            throw new UnprocessableEntityHttpException('مقدار برداشت بیشتر از موجودی است');
+        }
+
+        $min_withdraw = Setting::where('is_active', 1)
+            ->where('key', 'min_withdraw')
+            ->first();
+
+        if ($min_withdraw && (int) $min_withdraw->value > $value) {
+            throw new UnprocessableEntityHttpException('حداقل مقدار برداشت ' . number_format((int) $min_withdraw->value) . ' ریال است');
+        }
+    }
+
     private function applyMetalTypeTransactionTitle($record): void
     {
         if (!empty($record->product_id)) {