diff --git a/README.md b/README.md
index 8bcff6de..68539745 100644
--- a/README.md
+++ b/README.md
@@ -63,8 +63,8 @@
 <!-- BINGSHUO_BULLETIN_START -->
 | 时间 | 检查项 | 状态 |
 |------|--------|------|
-| 03-09 17:16 | 🔧 系统更新: `scripts/` | 铸渊 (Copilot) |
-| 03-09 17:15 | 🔧 系统更新: `.github/` | 铸渊 (Copilot) |
+| 03-09 17:29 | 🔧 系统更新: `.github/` | 铸渊 (Copilot) |
+| 03-09 17:29 | 🔧 系统更新: `scripts/` | 铸渊 (Copilot) |
 | 03-09 17:15 | 🔧 系统更新: `docs/` | 铸渊 (Copilot) |
 | 03-09 17:15 | 🔧 系统更新: `persona-brain-db/` | 铸渊 (Copilot) |
 | 03-09 16:56 | ✅ 每日巡检 ✅ 通过 | 冰朔 |
diff --git a/scripts/update-readme-bulletin.js b/scripts/update-readme-bulletin.js
index 200fd56a..72f50f85 100644
--- a/scripts/update-readme-bulletin.js
+++ b/scripts/update-readme-bulletin.js
@@ -34,6 +34,7 @@ const COLLABORATORS_PATH = path.join(__dirname, '..', '.github', 'brain', 'colla
 const MAX_BINGSHUO_ENTRIES = 15;
 const MAX_COLLAB_ENTRIES = 20;
 const MAX_GIT_LOG_COMMITS = 30;
+const BINGSHUO_USERNAME = 'qinfendebingshuo';
 
 /* ── 公告区标记 ─────────────────────────── */
 const MARKERS = {
@@ -86,7 +87,7 @@ const SYSTEM_PREFIXES = ['scripts', 'docs', '.github', 'persona-brain-db'];
 function formatTime(ts) {
   if (!ts) return '—';
   const d = new Date(ts);
-  if (isNaN(d.getTime())) return String(ts).substring(0, 10);
+  if (isNaN(d.getTime())) return typeof ts === 'string' ? ts.substring(0, Math.min(10, ts.length)) : '—';
   const fmt = new Intl.DateTimeFormat('zh-CN', {
     timeZone: 'Asia/Shanghai',
     month: '2-digit',
@@ -583,7 +584,7 @@ async function sendAlertEmails(bingshuoIssues, collabIssuesByDev) {
   // 冰朔邮件
   if (bingshuoIssues.length > 0) {
     const bingshuoEmail = process.env.BINGSHUO_EMAIL
-      || await fetchUserEmail('qinfendebingshuo')
+      || await fetchUserEmail(BINGSHUO_USERNAME)
       || null;
 
     if (bingshuoEmail) {
diff --git a/scripts/zhuyuan-issue-reply.js b/scripts/zhuyuan-issue-reply.js
index aa112dc0..f5925ace 100644
--- a/scripts/zhuyuan-issue-reply.js
+++ b/scripts/zhuyuan-issue-reply.js
@@ -19,7 +19,8 @@ try {
 
 try {
   collaborators = JSON.parse(fs.readFileSync('.github/brain/collaborators.json', 'utf8'));
-} catch {
+} catch (err) {
+  console.log('⚠️ collaborators.json 读取失败，使用空列表：', err.message);
   collaborators = [];
 }