diff --git a/src/utils/units.ts b/src/utils/units.ts
new file mode 100644
index 0000000..9faed39
--- /dev/null
+++ b/src/utils/units.ts
@@ -0,0 +1,83 @@
+// 带宽单位转换
+export type BandwidthUnit = 'Kbps' | 'Mbps' | 'Gbps';
+
+export const bandwidthUnits: BandwidthUnit[] = ['Kbps', 'Mbps', 'Gbps'];
+
+export const bandwidthFactors: Record<BandwidthUnit, number> = {
+  Kbps: 1,
+  Mbps: 1000,
+  Gbps: 1000000
+};
+
+export function convertBandwidth(value: number, fromUnit: BandwidthUnit, toUnit: BandwidthUnit): number {
+  const fromFactor = bandwidthFactors[fromUnit];
+  const toFactor = bandwidthFactors[toUnit];
+  return (value * fromFactor) / toFactor;
+}
+
+export function formatBandwidth(kbpsValue: number): { value: number; unit: BandwidthUnit } {
+  if (kbpsValue >= 1000000) {
+    return { value: kbpsValue / 1000000, unit: 'Gbps' };
+  } else if (kbpsValue >= 1000) {
+    return { value: kbpsValue / 1000, unit: 'Mbps' };
+  }
+  return { value: kbpsValue, unit: 'Kbps' };
+}
+
+// 流量单位转换
+export type StorageUnit = 'KB' | 'MB' | 'GB' | 'TB';
+
+export const storageUnits: StorageUnit[] = ['KB', 'MB', 'GB', 'TB'];
+
+export const storageFactors: Record<StorageUnit, number> = {
+  KB: 1,
+  MB: 1024,
+  GB: 1024 * 1024,
+  TB: 1024 * 1024 * 1024
+};
+
+export function convertStorage(value: number, fromUnit: StorageUnit, toUnit: StorageUnit): number {
+  const fromFactor = storageFactors[fromUnit];
+  const toFactor = storageFactors[toUnit];
+  return (value * fromFactor) / toFactor;
+}
+
+export function formatStorage(kbValue: number): { value: number; unit: StorageUnit } {
+  if (kbValue >= 1024 * 1024 * 1024) {
+    return { value: kbValue / (1024 * 1024 * 1024), unit: 'TB' };
+  } else if (kbValue >= 1024 * 1024) {
+    return { value: kbValue / (1024 * 1024), unit: 'GB' };
+  } else if (kbValue >= 1024) {
+    return { value: kbValue / 1024, unit: 'MB' };
+  }
+  return { value: kbValue, unit: 'KB' };
+}
+
+// 时间单位转换
+export type TimeUnit = '秒' | '分钟' | '小时' | '天';
+
+export const timeUnits: TimeUnit[] = ['秒', '分钟', '小时', '天'];
+
+export const timeFactors: Record<TimeUnit, number> = {
+  '秒': 1,
+  '分钟': 60,
+  '小时': 3600,
+  '天': 86400
+};
+
+export function convertTime(value: number, fromUnit: TimeUnit, toUnit: TimeUnit): number {
+  const fromFactor = timeFactors[fromUnit];
+  const toFactor = timeFactors[toUnit];
+  return (value * fromFactor) / toFactor;
+}
+
+export function formatTime(secondsValue: number): { value: number; unit: TimeUnit } {
+  if (secondsValue >= 86400) {
+    return { value: secondsValue / 86400, unit: '天' };
+  } else if (secondsValue >= 3600) {
+    return { value: secondsValue / 3600, unit: '小时' };
+  } else if (secondsValue >= 60) {
+    return { value: secondsValue / 60, unit: '分钟' };
+  }
+  return { value: secondsValue, unit: '秒' };
+}