diff --git a/Dockerfile b/Dockerfile
index 6771d63..182c946 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -48,5 +48,5 @@ EXPOSE 8001
 HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
     CMD curl -f http://localhost:8001/api/health || exit 1
 
-# 启动命令 - 使用优化的统一启动脚本
-CMD ["python3", "start_unified.py", "--profile", "balanced"]
+# 启动命令 - profile通过环境变量PROFILE配置，默认为balanced
+CMD ["sh", "-c", "python3 start_unified.py --profile ${PROFILE:-balanced}"]