diff --git a/src/api/types.ts b/src/api/types.ts
index bcf29ad..1ee7397 100644
--- a/src/api/types.ts
+++ b/src/api/types.ts
@@ -743,6 +743,8 @@ export interface InputOrderPaymentInfo {
   pay_type: number;
   /** 挂账公司ID（挂账公司传对应的ID，其他传0） */
   company_id: number;
+  /** 订单总金额 */
+  orderAmount: number;
 }
 
 /**
diff --git a/src/components/exam/ExamAddonPanel.tsx b/src/components/exam/ExamAddonPanel.tsx
index 0d67855..edc966d 100644
--- a/src/components/exam/ExamAddonPanel.tsx
+++ b/src/components/exam/ExamAddonPanel.tsx
@@ -801,7 +801,8 @@ export const ExamAddonPanel = ({ client, onGoToSign }: ExamAddonPanelProps) => {
     }>,
     pay_type: number,
     company_id: number,
-    combinationItemCodes: string
+    combinationItemCodes: string,
+    orderAmount: number
   ) => {
     if (pollingTimerRef.current) {
       clearInterval(pollingTimerRef.current);
@@ -815,6 +816,7 @@ export const ExamAddonPanel = ({ client, onGoToSign }: ExamAddonPanelProps) => {
           listAddItemCombination,
           pay_type,
           company_id,
+          orderAmount,
         });
 
         if (res.Status === 200) {
@@ -928,6 +930,20 @@ export const ExamAddonPanel = ({ client, onGoToSign }: ExamAddonPanelProps) => {
       const patient_id = customerInfo.patient_id;
 
       if (paymentMethod === 'self') {
+        // 自费模式：如果是 0 元支付，直接查询状态，不生成二维码
+        if (totalCurrent === 0) {
+          startPaymentPolling(
+            physical_exam_id,
+            patient_id,
+            listAddItemCombination,
+            12, // 微信支付
+            0, // 自费模式，company_id 传 0
+            combinationItemCodes,
+            0
+          );
+          return;
+        }
+
         // 自费模式：生成二维码
         const res = await createNativePaymentQrcode({
           physical_exam_id,
@@ -952,7 +968,8 @@ export const ExamAddonPanel = ({ client, onGoToSign }: ExamAddonPanelProps) => {
             listAddItemCombination,
             12, // 微信支付
             0, // 自费模式，company_id 传 0
-            combinationItemCodes
+            combinationItemCodes,
+            totalCurrent
           );
         } else {
           setPaymentMessage(res.Message || '生成支付二维码失败');
@@ -984,6 +1001,7 @@ export const ExamAddonPanel = ({ client, onGoToSign }: ExamAddonPanelProps) => {
           listAddItemCombination,
           pay_type: 13, // 挂账公司
           company_id: selectedCompany.company_id,
+          orderAmount: totalCurrent,
         });
 
         if (res.Status === 200) {