diff --git a/Dockerfile b/Dockerfile
index 5500816..9558ad8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -88,7 +88,7 @@ RUN echo "🔧 ===== 运行时环境准备 =====" && \
     echo "   - 用户: $(whoami)" && \
     echo "   - 系统信息: $(uname -a)" && \
     echo "📋 安装运行时工具..." && \
-    apk add --no-cache wget && \
+    apk add --no-cache wget file && \
     echo "✅ 运行时环境准备完成"
 
 # Copy the Pre-built binary from the previous stage with logging