fix(auto-exchange): 解决UID识别验证问题

- 添加UID类型检查确保为正整数
- 验证OCR识别结果的有效性
- 在UID识别失败时抛出具体错误信息
- 防止无效UID导致后续兑换流程异常

Author: Kirito520Asuna

repo/js/每月自动兑换抽卡资源/main.js

@@ -43,7 +43,11 @@ async function isTaskRefreshed(filePath, options = {}) {
         throw new Error("已重试" + (try_count - 1) + "次数,超出最大重试" + try_count_max + "次数");
     }
     if (!config.user.uid) {
-        config.user.uid = await ocrUid();
+        const resolvedUid = await ocrUid();
+        if (!Number.isInteger(resolvedUid) || resolvedUid <= 0) {
+              throw new Error(`UID 识别失败: ${resolvedUid}`);
+        }
+        config.user.uid = resolvedUid;
     }
     const uid = config.user.uid;
     const current = {uid: uid, time: undefined}