diff --git a/.gitea/workflows/deploy.yaml b/.gitea/workflows/deploy.yaml
index b60fbe3..60a6738 100755
--- a/.gitea/workflows/deploy.yaml
+++ b/.gitea/workflows/deploy.yaml
@@ -39,6 +39,24 @@ jobs:
           echo -n "提交消息: ${{ github.event.head_commit.message }}">> notify.tpl
           cat notify.tpl | envsubst |  jq -sR . | xargs -0  -I {} curl -H "Content-Type: application/json" -X POST -d '{"type":"text","msg":{} }' https://amass.fun/notify
       - run: resources/build.sh build
+      - name: Copy files to server
+        uses: appleboy/scp-action@v0.1.3
+        with:
+          host: ${{ vars.YUYUN_SERVER }}
+          username: ${{ vars.YUYUN_USER }}
+          password: ${{ secrets.SERVER_ROOT_PASSWORD }}
+          source: build/Server/HttpServer
+          target: /root/Server/HttpServer
+      - name: Restart server
+        uses: appleboy/ssh-action@v0.1.3
+        with:
+          host: ${{ vars.YUYUN_SERVER }}
+          username: ${{ vars.YUYUN_USER }}
+          password: ${{ secrets.SERVER_ROOT_PASSWORD }}
+          script: |
+            pkill -f HttpServer || true
+            cp /root/Server/HttpServer /root/Server/HttpServer.bak
+            nohup /root/Server/HttpServer > /dev/null 2>&1 &
       - name: Notify-End
         if: ${{ always() }}
         run: |
diff --git a/Server/SystemUsage.cpp b/Server/SystemUsage.cpp
index dc40249..0753283 100644
--- a/Server/SystemUsage.cpp
+++ b/Server/SystemUsage.cpp
@@ -1,6 +1,11 @@
 #include "SystemUsage.h"
 #include "BoostLog.h"
+#include "DateTime.h"
 #include "NetworkUtility.h"
+#include "ServiceManager.h"
+#include <boost/algorithm/string/classification.hpp>
+#include <boost/algorithm/string/split.hpp>
+#include <boost/algorithm/string/trim.hpp>
 #include <boost/json/object.hpp>
 #include <boost/json/serialize.hpp>
 #include <fstream>
@@ -15,7 +20,8 @@ SystemUsage::SystemUsage(boost::asio::io_context &ioContext, const std::string &
 }
 
 void SystemUsage::start() {
-    m_timer->expires_after(std::chrono::seconds(10));
+    using namespace std::chrono;
+    m_timer->expires_after(seconds(10));
     m_timer->async_wait([this](const boost::system::error_code &error) {
         if (error) {
             LOG(error) << error.message();
@@ -27,6 +33,35 @@ void SystemUsage::start() {
 
         publish("yuyun_disk_usage", static_cast<int>(100.0f * diskUsage("/")), "%", "磁盘占用率");
         m_lastCpuStats = currentCpuStats;
+
+        m_networkStats.push_back(networkStats("eth0"));
+        while (m_networkStats.size() >= 2) {
+            constexpr auto SpeedInterval = seconds(60 * 15);
+            auto front = m_networkStats.front();
+            auto back = m_networkStats.back();
+            auto duration = duration_cast<seconds>(back.time - front.time);
+            if (duration > SpeedInterval) {
+                m_networkStats.pop_front();
+            } else {
+                constexpr auto gigabyte = 1024 * 1024 * 1024;
+                auto receiveGigabyte = static_cast<float>(back.receiveBytes - front.receiveBytes) / gigabyte;
+                auto transmitGigabyte = static_cast<float>(back.transmitBytes - front.transmitBytes) / gigabyte;
+                auto speed = (receiveGigabyte + transmitGigabyte) / duration.count() * SpeedInterval.count();
+                LOG(info) << "network speed: " << std::fixed << std::setprecision(2) << speed << "GB/h";
+                if (speed >= 1.f) { // 一个小时1GB的流量
+                    std::ostringstream oss;
+                    oss << "当前服务器流量存在异常, " << DateTime::toString(front.time) << " - "
+                        << DateTime::toString(back.time) << ": " << std::endl;
+                    oss << "进出总速率: " << std::fixed << std::setprecision(2) << speed << "GB/h" << std::endl;
+                    oss << "接收流量: " << std::fixed << std::setprecision(2) << receiveGigabyte << "GB" << std::endl;
+                    oss << "发送流量: " << std::fixed << std::setprecision(2) << transmitGigabyte << "GB" << std::endl;
+                    auto manager = Amass::Singleton<ServiceManager>::instance();
+                    if (manager) manager->sendMessage(NotifyServerChan, oss.str());
+                    LOG(warning) << oss.str();
+                }
+                break;
+            }
+        }
         start();
     });
 }
@@ -94,3 +129,32 @@ float SystemUsage::diskUsage(const std::string &disk) {
 
     return result;
 }
+
+SystemUsage::NetworkStats SystemUsage::networkStats(const std::string &interface) {
+    NetworkStats ret;
+    try {
+        std::ifstream ifs("/proc/net/dev");
+        if (!ifs.is_open()) {
+            LOG(error) << "failed to open /proc/net/dev";
+            return ret;
+        }
+        std::string line;
+        while (std::getline(ifs, line)) {
+            if (line.find(interface) == std::string::npos) continue;
+            boost::trim(line);
+            std::vector<std::string> results;
+            boost::split(results, line, boost::algorithm::is_any_of(" "), boost::token_compress_on);
+            if (results.size() < 9) continue;
+            ret.interface = results.at(0);
+            ret.interface = ret.interface.substr(0, ret.interface.size() - 1); // Remove the trailing ':'
+            ret.receiveBytes = std::stoll(results.at(1));
+            ret.transmitBytes = std::stoll(results.at(9));
+            // LOG(info) << "interface: " << ret.interface << ", receive bytes: " << ret.receiveBytes
+            //           << ", transmit bytes: " << ret.transmitBytes;
+            break;
+        }
+    } catch (const std::exception &e) {
+        LOG(error) << e.what();
+    }
+    return ret;
+}
diff --git a/Server/SystemUsage.h b/Server/SystemUsage.h
index e28f3ed..a168f1d 100644
--- a/Server/SystemUsage.h
+++ b/Server/SystemUsage.h
@@ -2,6 +2,7 @@
 #define __SYSTEMUSAGE_H__
 
 #include <boost/asio/system_timer.hpp>
+#include <list>
 
 /**
  * @brief 参考 https://github.com/improvess/cpp-linux-system-stats
@@ -29,6 +30,13 @@ public:
             return user + nice + system + irq + softirq + steal + guest + guestNice;
         }
     };
+
+    struct NetworkStats {
+        std::string interface;
+        int64_t receiveBytes = 0;
+        int64_t transmitBytes = 0;
+        std::chrono::system_clock::time_point time = std::chrono::system_clock::now();
+    };
     SystemUsage(boost::asio::io_context &ioContext, const std::string &accessToken);
     void start();
 
@@ -38,11 +46,13 @@ protected:
     CpuStats readCpuData();
     float cpuUsage(const CpuStats &first, const CpuStats &second);
     float diskUsage(const std::string &disk);
+    NetworkStats networkStats(const std::string &interface);
 
 private:
     boost::asio::io_context &m_ioContext;
     std::shared_ptr<boost::asio::system_timer> m_timer;
     std::string m_accessToken;
     CpuStats m_lastCpuStats;
+    std::list<NetworkStats> m_networkStats;
 };
 #endif // __SYSTEMUSAGE_H__
\ No newline at end of file