diff --git a/src/modules/payment/gateways/zarinpal.gateway.ts b/src/modules/payment/gateways/zarinpal.gateway.ts
index 01bee6c..67626db 100755
--- a/src/modules/payment/gateways/zarinpal.gateway.ts
+++ b/src/modules/payment/gateways/zarinpal.gateway.ts
@@ -19,9 +19,9 @@ export class ZarinpalGateway implements IPaymentGateway {
   private readonly logger = new Logger(ZarinpalGateway.name);
   private readonly zarinpalRequestUrl: string;
   private readonly zarinpalVerifyUrl: string;
-  private readonly zarinpalPaymentBaseUrl: string;
+  private readonly zarinpalBaseUrl: string;
   private readonly zarinpalMerchantId: string;
-  private readonly apiUrl: string = 'https://negareh-api.dev.danakcorp.com/'
+  private readonly apiUrl: string 
   private readonly axiosConfig = {
     timeout: 10_000,
     headers: {
@@ -30,9 +30,9 @@ export class ZarinpalGateway implements IPaymentGateway {
   };
 
   constructor(private readonly configService: ConfigService) {
-    const zarinpalBaseUrl = this.configService.get<string>('ZARINPAL_BASE_URL') || 'https://sandbox.zarinpal.com';
-    this.zarinpalRequestUrl = `${zarinpalBaseUrl}/pg/v4/payment/request.json`;
-    this.zarinpalVerifyUrl = `${zarinpalBaseUrl}/pg/v4/payment/verify.json`;
+    this.zarinpalBaseUrl = this.configService.get<string>('ZARINPAL_BASE_URL') || 'https://sandbox.zarinpal.com';
+    this.zarinpalRequestUrl = `${this.zarinpalBaseUrl}/pg/v4/payment/request.json`;
+    this.zarinpalVerifyUrl = `${this.zarinpalBaseUrl}/pg/v4/payment/verify.json`;
     this.zarinpalMerchantId = this.configService.getOrThrow<string>('ZARINPAL_BASE_MERCHANT')
     this.apiUrl = this.configService.get<string>('API_URL') || 'https://negareh-api.dev.danakcorp.com/'
   }
@@ -87,7 +87,7 @@ export class ZarinpalGateway implements IPaymentGateway {
         throw new BadRequestException(message ?? PaymentMessage.ZARINPAL_PAYMENT_REQUEST_ERROR);
       }
 
-      const paymentUrl = `${this.zarinpalPaymentBaseUrl}/pg/StartPay/${authority}`
+      const paymentUrl = `${this.zarinpalBaseUrl}/pg/StartPay/${authority}`
 
       return { token: authority, paymentUrl };
     } catch (error) {