chore: add debug echo to pipeline script

.cnb.yml

@@ -9,8 +9,17 @@ master:
       env:
         CUDA_VISIBLE_DEVICES: "0"
         PYTHONUNBUFFERED: "1"
+      git:
+        lfs: false
       stages:
         - name: train
           script: |
-            cd /workspace && git clone https://cnb.cool/ETeam_sy/xiaoli-llm-chat.git
-            cd xiaoli-llm-chat && python3 scripts/train_cnb.py --epochs 100 --batch_size 16
+            set -e
+            echo "=== 开始训练 ==="
+            cd /workspace
+            ls -la
+            cd /workspace/xiaoli-llm-chat
+            nvidia-smi
+            echo "=== 启动训练 ==="
+            python3 scripts/train_cnb.py --epochs 100 --batch_size 16
+            echo "=== 训练完成 ==="