更新 VIP 状态接口为 is-taiping-vip，添加获取可选套餐逻辑

src/pages/U3/u3.tsx

@@ -2,6 +2,7 @@ import React from "react";
 import "./u3.css";
 import { useNavigate } from "react-router-dom";
 import DecorLine from "../../components/DecorLine";
+import { getOptionalItemList } from "../../api/hisApi";
 
 import BackButton from "../../components/BackButton";
 import ConfirmButton from "../../components/ConfirmButton";
@@ -16,13 +17,40 @@ const U3: React.FC = () => {
   };
 
   const handleConfirm = () => {
-    // 是否套餐待定
-    const isPackageUndecided = true;
-    if (isPackageUndecided) {
-      navigate("/u4");
-    } else {
+    // 根据本地身份证号检查是否有可选套餐
+    const idCardNo = localStorage.getItem("lastIdCardNo");
+    if (!idCardNo) {
+      // 没有身份证号，直接跳转到下一步
       navigate("/u5");
+      return;
     }
+
+    // 调用接口判断是否有可选套餐
+    getOptionalItemList(idCardNo)
+      .then((res) => {
+        if (res.Status === 200) {
+          if (res.Data?.packageInfo?.is_optional_package === 1) {
+            navigate("/u4", { state: { optionalData: res.Data } });
+          } else {
+            // 如果没有可选套餐，检查是否有错误消息需要提示
+            if (!res.Data?.packageInfo && res.Message) {
+              alert(res.Message);
+            } else {
+              navigate("/u5");
+            }
+          }
+        } else {
+          if (res.Message) {
+            alert(res.Message);
+          } else {
+            navigate("/u5");
+          }
+        }
+      })
+      .catch((err) => {
+        console.error("getOptionalItemList error", err);
+        navigate("/u5");
+      });
   };
 
   return (