feat(monitor): hide host metrics in demo mode

internal/controllers/monitor_controller.go

@@ -6,6 +6,7 @@ import (
 	"sync"
 	"time"
 
+	"github.com/engigu/baihu-panel/internal/constant"
 	"github.com/engigu/baihu-panel/internal/services/tasks"
 	"github.com/engigu/baihu-panel/internal/utils"
 
@@ -47,7 +48,7 @@ func (mc *MonitorController) GetSystemMonitor(c *gin.Context) {
 	utils.Success(c, data)
 }
 
-// MonitorWS WebSocket实时推送系统监控信息
+// MonitorWS WebSocket 获取系统监控数据
 func (mc *MonitorController) MonitorWS(c *gin.Context) {
 	ws, err := monitorUpgrader.Upgrade(c.Writer, c.Request, nil)
 	if err != nil {
@@ -55,12 +56,14 @@ func (mc *MonitorController) MonitorWS(c *gin.Context) {
 	}
 	defer ws.Close()
 
+	// 初始发送一次数据
+	if err := mc.sendMonitorData(ws); err != nil {
+		return
+	}
+
 	ticker := time.NewTicker(3 * time.Second)
 	defer ticker.Stop()
 
-	// 先立即发送一次
-	mc.sendMonitorData(ws)
-
 	for {
 		select {
 		case <-ticker.C:
@@ -91,6 +94,15 @@ func (mc *MonitorController) updateHostMetrics() {
 		return
 	}
 
+	if constant.DemoMode {
+		mc.cpuPercent = 0
+		mc.vMem = &mem.VirtualMemoryStat{}
+		mc.diskUsage = &disk.UsageStat{}
+		mc.hostInfo = &host.InfoStat{Platform: "Demo Environment", Uptime: 0}
+		mc.lastUpdate = time.Now()
+		return
+	}
+
 	cpuPercents, _ := cpu.Percent(0, false)
 	if len(cpuPercents) > 0 {
 		mc.cpuPercent = cpuPercents[0]