diff --git a/Dockerfile b/Dockerfile
index f9adc25..a1062d4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -68,7 +68,10 @@ RUN apk add --no-cache ca-certificates tzdata && \
     # 清理缓存
     rm -rf /var/cache/apk/*
 WORKDIR /app
-COPY --from=builder --chown=appuser:appuser /out/server /app/server
+COPY --from=builder /out/server /app/server
+# 确保二进制文件有执行权限
+RUN chmod +x /app/server && ls -la /app/server
 EXPOSE 8077
-USER appuser:appuser
+# 暂时使用 root 用户运行，排查权限问题
+# USER appuser:appuser
 ENTRYPOINT ["/app/server"]