diff --git a/web/src/portal/components/server/GpuMonitorSection.tsx b/web/src/portal/components/server/GpuMonitorSection.tsx
index b2a8b06..f202fa1 100644
--- a/web/src/portal/components/server/GpuMonitorSection.tsx
+++ b/web/src/portal/components/server/GpuMonitorSection.tsx
@@ -37,7 +37,7 @@ export const GpuMonitorSection = ({latestMetrics}: GpuMonitorSectionProps) => {
                                 </div>
                             </div>
                             <span className="text-2xl font-bold text-purple-400">
-                                {gpu.utilization?.toFixed(1)}%
+                                {gpu.utilization?.toFixed(1) ?? 0}%
                             </span>
                         </div>
                         <div className="space-y-2 text-xs">
@@ -53,7 +53,7 @@ export const GpuMonitorSection = ({latestMetrics}: GpuMonitorSectionProps) => {
                             </div>
                             <div className="flex items-center justify-between">
                                 <span className="text-cyan-500 font-mono text-xs uppercase tracking-wider">功耗</span>
-                                <span className="font-medium text-cyan-200">{gpu.powerDraw?.toFixed(1)}W</span>
+                                <span className="font-medium text-cyan-200">{gpu.powerUsage?.toFixed(1)}W</span>
                             </div>
                             <div className="flex items-center justify-between">
                                 <span className="text-cyan-500 font-mono text-xs uppercase tracking-wider">风扇转速</span>
diff --git a/web/src/types/index.ts b/web/src/types/index.ts
index 3e1c942..33eed43 100644
--- a/web/src/types/index.ts
+++ b/web/src/types/index.ts
@@ -245,7 +245,7 @@ export interface GPUMetric {
     memoryUsed: number;
     memoryFree: number;
     temperature: number;
-    powerDraw: number;
+    powerUsage: number;
     fanSpeed: number;
     performanceState: string;
     timestamp: number;