diff --git a/.github/workflows/cos-auto-join.yml b/.github/workflows/cos-auto-join.yml
index b9ab94d3..d6dfd6c1 100644
--- a/.github/workflows/cos-auto-join.yml
+++ b/.github/workflows/cos-auto-join.yml
@@ -94,7 +94,7 @@ jobs:
           fi
 
       - name: 🔔 新接入通知
-        if: steps.check.outputs.connected_count > 0
+        if: steps.check.outputs.connected_count != '0' && steps.check.outputs.connected_count != ''
         uses: actions/github-script@v7
         with:
           script: |
diff --git a/scripts/cos-auto-join-agent.js b/scripts/cos-auto-join-agent.js
index 002df297..b9a6eef8 100644
--- a/scripts/cos-auto-join-agent.js
+++ b/scripts/cos-auto-join-agent.js
@@ -139,6 +139,7 @@ function writeLog(entry) {
 // ─── 检查单个成员的COS桶 ───
 async function checkMemberBucket(member) {
   const { persona_id, bucket, region } = member;
+  // 支持两套密钥命名（ZY_OSS_* 用于铸渊核心桶 · COS_SECRET_* 用于团队共享桶）
   const secretId = process.env.ZY_OSS_KEY || process.env.COS_SECRET_ID || '';
   const secretKey = process.env.ZY_OSS_SECRET || process.env.COS_SECRET_KEY || '';