diff --git a/app/Services/DoctorAccountService.php b/app/Services/DoctorAccountService.php
index c4b3c20..c792d65 100644
--- a/app/Services/DoctorAccountService.php
+++ b/app/Services/DoctorAccountService.php
@@ -212,21 +212,27 @@ class DoctorAccountService extends BaseService
             $in_params = explode(',',$order_inquiry_ids);
             $order_inquiry = OrderInquiry::getInList($params,$in_params);
             if (!empty($order_inquiry)){
-                $amount_total = array_sum(array_column($order_inquiry->toArray(),'amount_total'));
+                foreach ($order_inquiry as $value){
+                    $amount_total = bcadd($amount_total,$value["amount_total"],2);
+                }
             }
 
             $order_inquiry_id_array = $in_params;
         }else{
             $InquiryService = new InquiryService();
             $order_inquiry = $InquiryService->getDoctorCanWithdrawalInquiryOrder($user_info['client_user_id']);
+
             if (!empty($order_inquiry)){
-                $amount_total = array_sum(array_column($order_inquiry,'amount_total'));
+                foreach ($order_inquiry as $value){
+                    $amount_total = bcadd($amount_total,$value["amount_total"],2);
+                }
                 $order_inquiry_id_array = array_column($order_inquiry,'order_inquiry_id');
             }
         }
 
         $amount_total = $amount_total * 0.75;
 
+
         // 计算医生个人所得税
         $income_tax = $this->computeIndividualIncomeTax($amount_total);
 
diff --git a/composer.json b/composer.json
index f7598f0..0737866 100644
--- a/composer.json
+++ b/composer.json
@@ -38,7 +38,8 @@
         "hyperf/validation": "^3.0",
         "intervention/image": "^2.7",
         "tecnickcom/tcpdf": "^6.6",
-        "w7corp/easywechat": "^6.7"
+        "w7corp/easywechat": "^6.7",
+      "ext-bcmath": "*"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.0",