diff --git a/Server/SystemUsage.cpp b/Server/SystemUsage.cpp
index 8d38d13..b2a7d64 100644
--- a/Server/SystemUsage.cpp
+++ b/Server/SystemUsage.cpp
@@ -48,7 +48,9 @@ void SystemUsage::start() {
                 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
+                static system_clock::time_point lastNotify;
+                auto now = system_clock::now();
+                if ((speed >= 1.f) && (duration_cast<minutes>(now - lastNotify) > minutes(10))) { // 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;
@@ -58,6 +60,7 @@ void SystemUsage::start() {
                     auto manager = Amass::Singleton<ServiceManager>::instance();
                     if (manager) manager->sendMessage(NotifyServerChan, oss.str());
                     LOG(warning) << oss.str();
+                    lastNotify = now;
                 }
                 break;
             }