diff --git a/app/Services/InquiryService.php b/app/Services/InquiryService.php
index 98e5662..94b9b78 100644
--- a/app/Services/InquiryService.php
+++ b/app/Services/InquiryService.php
@@ -128,9 +128,11 @@ class InquiryService extends BaseService
         $DoctorInquiryService = new DoctorInquiryService();
         $inquiry_price = $DoctorInquiryService->getDoctorInquiryPrice($request_params['inquiry_type'], $request_params['inquiry_mode'], $request_params['doctor_id'] ?: "");
 
-        // 获取可用优惠卷
-        $CouponService = new CouponService();
-        $user_coupon = $CouponService->getUserUsableCouponOne($user_info['user_id'], $request_params['inquiry_type']);
+        if ($inquiry_price > 0){
+            // 获取可用优惠卷
+            $CouponService = new CouponService();
+            $user_coupon = $CouponService->getUserUsableCouponOne($user_info['user_id'], $request_params['inquiry_type']);
+        }
 
         // 确定支付渠道
         // 支付渠道（1:小程序支付 2:微信扫码支付）