From 2085cbbed2e0ad583f06d9213bcadb7ff837bb53 Mon Sep 17 00:00:00 2001
From: duorameng <2997944583@qq.com>
Date: Mon, 15 Jun 2026 11:56:30 +0800
Subject: [PATCH] fix: make demo disk usage static

---
 internal/controllers/monitor_controller.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/internal/controllers/monitor_controller.go b/internal/controllers/monitor_controller.go
index c37c0c9..a7121a8 100644
--- a/internal/controllers/monitor_controller.go
+++ b/internal/controllers/monitor_controller.go
@@ -122,7 +122,7 @@ func (mc *MonitorController) updateDemoMetrics() {
 	}
 
 	totalDisk := uint64(500 * 1024 * 1024 * 1024) // 500GB 硬盘
-	usedDisk := uint64(float64(totalDisk) * (0.4 + rand.Float64()*0.1)) // 40% - 50% 随机使用率
+	usedDisk := uint64(float64(totalDisk) * 0.45) // 固定 45% 使用率
 	mc.diskUsage = &disk.UsageStat{
 		Total:       totalDisk,
 		Used:        usedDisk,