diff --git a/Dockerfile b/Dockerfile
index d422cad..1749510 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -68,6 +68,8 @@ RUN apk add --no-cache ca-certificates tzdata && \
     rm -rf /var/cache/apk/*
 WORKDIR /app
 COPY --from=builder /out/server /app/server
+# 确保二进制文件有执行权限
+RUN chmod +x /app/server
 EXPOSE 8077
 USER appuser:appuser
 ENTRYPOINT ["/app/server"]