diff --git a/.github/workflows/cos-bridge-dispatch-to-qiuqiu.yml b/.github/workflows/cos-bridge-dispatch-to-qiuqiu.yml
index 43bb66d7..9e7a3e8d 100644
--- a/.github/workflows/cos-bridge-dispatch-to-qiuqiu.yml
+++ b/.github/workflows/cos-bridge-dispatch-to-qiuqiu.yml
@@ -54,7 +54,7 @@ jobs:
         id: task_id
         run: |
           DATE=$(TZ='Asia/Shanghai' date +%Y%m%d)
-          SEQ=$(printf '%03d' $((RANDOM % 999 + 1)))
+          SEQ=$(TZ='Asia/Shanghai' date +%H%M%S)
           echo "id=TASK-${DATE}-${SEQ}" >> $GITHUB_OUTPUT
           echo "date=${DATE}" >> $GITHUB_OUTPUT
 
diff --git a/fifth-system/darkcore-channel/deployment-guide-for-zhizhi.md b/fifth-system/darkcore-channel/deployment-guide-for-zhizhi.md
index 10837b87..52b4b6d2 100644
--- a/fifth-system/darkcore-channel/deployment-guide-for-zhizhi.md
+++ b/fifth-system/darkcore-channel/deployment-guide-for-zhizhi.md
@@ -435,7 +435,10 @@ jobs:
           key: ${{ secrets.QQ_SVR_SV_KEY }}
           script: |
             cd /opt/qiuqiu/app
-            git pull origin main 2>/dev/null || git clone https://github.com/zhizhi200271/guanghu-zhizhi.git .
+            # 如果仓库是私有的，使用token认证
+            git pull origin main 2>/dev/null || \
+              git clone https://github.com/zhizhi200271/guanghu-zhizhi.git . 2>/dev/null || \
+              echo "⚠️ 如果仓库是私有的，请在服务器配置git credential或使用SSH clone"
             npm install --production
             
             # 写入环境变量
diff --git a/scripts/task-tree-manager.js b/scripts/task-tree-manager.js
index ba92a67c..314710e7 100644
--- a/scripts/task-tree-manager.js
+++ b/scripts/task-tree-manager.js
@@ -185,7 +185,7 @@ function step(opts) {
 
   task.steps.push(newStep);
   task.progress.total_steps = task.steps.length;
-  task.progress.percentage = `${Math.round((task.progress.completed_steps / task.progress.total_steps) * 100)}%`;
+  task.progress.percentage = task.progress.total_steps > 0 ? `${Math.round((task.progress.completed_steps / task.progress.total_steps) * 100)}%` : '0%';
   task.progress.last_activity = now;
   task.last_updated = now;