fix: 统一指标榜单数值精度

src/views/virtualization/HostDetail.vue

@@ -1567,7 +1567,14 @@ const getMetricTopBarPercent = (value) => {
 const formatMetricTopValue = (item) => {
   const value = Number(item?.value) || 0
   if (item?.unit === '%' || metricTopMetric.value.endsWith('_percent')) return `${value.toFixed(2)}%`
-  return formatSpeedAuto(value)
+  const units = [
+    { threshold: 1073741824, divisor: 1073741824, label: 'GB/s' },
+    { threshold: 1048576, divisor: 1048576, label: 'MB/s' },
+    { threshold: 1024, divisor: 1024, label: 'KB/s' }
+  ]
+  const unit = units.find(option => Math.abs(value) >= option.threshold)
+  if (unit) return `${(value / unit.divisor).toFixed(2)} ${unit.label}`
+  return `${value.toFixed(2)} B/s`
 }
 
 const formatMetricTopSampleTime = (value) => {