fix(wxapp): 修复首页分享链接白屏问题

- 添加邀请关系处理的超时保护，避免长时间等待
- 优化 API调用流程，增加错误处理机制
- 改进页面加载逻辑，确保主要内容优先显示
- 新增失败重试计数，防止无限重试
- 清理邀请参数缓存，避免重复处理

src/shop/goodsDetail/index.tsx

@@ -24,6 +24,7 @@ const GoodsDetail = () => {
   const [specAction, setSpecAction] = useState<'cart' | 'buy'>('cart');
   // const [selectedSku, setSelectedSku] = useState<ShopGoodsSku | null>(null);
   const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
   const router = Taro.getCurrentInstance().router;
   const goodsId = router?.params?.id;
 
@@ -117,48 +118,57 @@ const GoodsDetail = () => {
     }
   };
 
-  useEffect(() => {
-    if (goodsId) {
-      setLoading(true);
+  // 重新加载数据的函数
+  const reloadData = async () => {
+    if (!goodsId) return;
+
+    setLoading(true);
+    setError(null);
+
+    try {
+      // 设置超时时间
+      const timeout = new Promise((_, reject) =>
+        setTimeout(() => reject(new Error('请求超时')), 10000)
+      );
 
       // 加载商品详情
-      getShopGoods(Number(goodsId))
-        .then((res) => {
-          // 处理富文本内容，去掉图片间距
-          if (res.content) {
-            res.content = wxParse(res.content);
-          }
-          setGoods(res);
-          if (res.files) {
-            const arr = JSON.parse(res.files);
-            arr.length > 0 && setFiles(arr);
-          }
-        })
-        .catch((error) => {
-          console.error("Failed to fetch goods detail:", error);
-        })
-        .finally(() => {
-          setLoading(false);
-        });
+      const goodsPromise = getShopGoods(Number(goodsId)).then((res) => {
+        // 处理富文本内容，去掉图片间距
+        if (res.content) {
+          res.content = wxParse(res.content);
+        }
+        setGoods(res);
+        if (res.files) {
+          const arr = JSON.parse(res.files);
+          arr.length > 0 && setFiles(arr);
+        }
+        return res;
+      });
 
-      // 加载商品规格
-      listShopGoodsSpec({goodsId: Number(goodsId)} as any)
-        .then((data) => {
-          setSpecs(data || []);
-        })
-        .catch((error) => {
-          console.error("Failed to fetch goods specs:", error);
-        });
+      // 等待商品详情加载完成（带超时）
+      await Promise.race([goodsPromise, timeout]);
 
-      // 加载商品SKU
-      listShopGoodsSku({goodsId: Number(goodsId)} as any)
-        .then((data) => {
-          setSkus(data || []);
-        })
-        .catch((error) => {
-          console.error("Failed to fetch goods skus:", error);
-        });
+      // 并行加载规格和SKU（不阻塞主要内容显示）
+      Promise.all([
+        listShopGoodsSpec({goodsId: Number(goodsId)} as any)
+          .then((data) => setSpecs(data || []))
+          .catch((error) => console.error("Failed to fetch goods specs:", error)),
+
+        listShopGoodsSku({goodsId: Number(goodsId)} as any)
+          .then((data) => setSkus(data || []))
+          .catch((error) => console.error("Failed to fetch goods skus:", error))
+      ]);
+
+    } catch (error: any) {
+      console.error("Failed to fetch goods detail:", error);
+      setError(error.message || '加载失败，请重试');
+    } finally {
+      setLoading(false);
     }
+  };
+
+  useEffect(() => {
+    reloadData();
   }, [goodsId]);
 
   // 分享给好友
@@ -186,8 +196,42 @@ const GoodsDetail = () => {
     };
   });
 
-  if (!goods || loading) {
-    return <div>加载中...</div>;
+  // 错误状态
+  if (error) {
+    return (
+      <div className="flex flex-col items-center justify-center min-h-screen p-4">
+        <div className="text-center">
+          <div className="text-6xl mb-4">😵</div>
+          <div className="text-lg font-medium mb-2">页面加载失败</div>
+          <div className="text-gray-500 mb-6">{error}</div>
+          <div className="space-y-3">
+            <button
+              className="bg-blue-500 text-white px-6 py-2 rounded-lg"
+              onClick={reloadData}
+            >
+              重新加载
+            </button>
+            <button
+              className="bg-gray-500 text-white px-6 py-2 rounded-lg ml-3"
+              onClick={() => Taro.navigateBack()}
+            >
+              返回上页
+            </button>
+          </div>
+        </div>
+      </div>
+    );
+  }
+
+  // 加载状态 - 使用更好的加载UI
+  if (loading || !goods) {
+    return (
+      <div className="flex flex-col items-center justify-center min-h-screen">
+        <div className="animate-spin rounded-full h-12 w-12 border-b-2 border-blue-500 mb-4"></div>
+        <div className="text-gray-600">正在加载商品信息...</div>
+        <div className="text-sm text-gray-400 mt-2">请稍候</div>
+      </div>
+    );
   }
 
   return (