diff --git a/.gitea/workflows/ci-and-deploy.yaml b/.gitea/workflows/ci-and-deploy.yaml
index 1f4fc6e..4a5b0f0 100644
--- a/.gitea/workflows/ci-and-deploy.yaml
+++ b/.gitea/workflows/ci-and-deploy.yaml
@@ -90,6 +90,13 @@ jobs:
           MCP_DIR="/data/guanghulab/repo/server/mcp-server"
           mkdir -p /data/guanghulab/mcp-server /data/guanghulab/.runtime/logs
 
+          # 更新 MCP 访问密钥
+          if [ -n "$ZY_REPO_TOKEN" ]; then
+            echo "$ZY_REPO_TOKEN" > /data/guanghulab/mcp-server/.access-key
+            chmod 600 /data/guanghulab/mcp-server/.access-key
+            echo "✅ MCP 访问密钥已更新"
+          fi
+
           # 注入 Gitea 令牌
           if [ -n "$ZY_REPO_TOKEN" ]; then
             sed -i "s/GITEA_TOKEN: ''/GITEA_TOKEN: '$ZY_REPO_TOKEN'/" "$MCP_DIR/ecosystem.config.js"