diff --git a/ide/src/trace/bean/BoxSelection.ts b/ide/src/trace/bean/BoxSelection.ts
index 791527d5a6f2e724762a1ab30f1e93ef19fc65e3..4346a22b8b9c003698f3b968f4f297b600382d85 100644
--- a/ide/src/trace/bean/BoxSelection.ts
+++ b/ide/src/trace/bean/BoxSelection.ts
@@ -134,6 +134,7 @@ export class SelectionData {
   wallDuration: number = 0;
   wallDurationFormat: string = '';
   avgDuration: string = '';
+  maxDuration: string = '';
   occurrences: number = 0;
   state: string = '';
   trackId: number = 0;
diff --git a/ide/src/trace/component/SpSystemTrace.ts b/ide/src/trace/component/SpSystemTrace.ts
index fc9ae3bb8d6da8f798a22140fb7055fbf8f053c0..84c496ad410dce3796a8f734fc30dda3f36c44a3 100644
--- a/ide/src/trace/component/SpSystemTrace.ts
+++ b/ide/src/trace/component/SpSystemTrace.ts
@@ -105,7 +105,6 @@ import { TabPaneCounterSample } from './trace/sheet/cpu/TabPaneCounterSample.js'
 import { LitSearch } from './trace/search/Search.js';
 import { TabPaneFlag } from './trace/timer-shaft/TabPaneFlag.js';
 import { LitTabpane } from '../../base-ui/tabs/lit-tabpane.js';
-import { SpKeyboard } from '../component/SpKeyboard.js'
 import { HiPerfCallChartStruct } from '../database/ui-worker/ProcedureWorkerHiPerfCallChart.js';
 import { type HiSysEventStruct } from '../database/ui-worker/ProcedureWorkerHiSysEvent.js';
 import { InitAnalysis } from '../database/logic-worker/ProcedureLogicWorkerCommon.js';
diff --git a/ide/src/trace/component/trace/sheet/irq/TabPaneIrqCounter.ts b/ide/src/trace/component/trace/sheet/irq/TabPaneIrqCounter.ts
index 7207250fe6155c355833e4253c26d80fdfd1a461..004bd936a58ab29aa3b99cfa582d083e046bac57 100644
--- a/ide/src/trace/component/trace/sheet/irq/TabPaneIrqCounter.ts
+++ b/ide/src/trace/component/trace/sheet/irq/TabPaneIrqCounter.ts
@@ -38,9 +38,7 @@ export class TabPaneIrqCounter extends BaseElement {
       let counters = collect.get(key);
       let selectCounterData = this.createSelectCounterData(key, counters);
       sumCount += Number.parseInt(selectCounterData.count || '0');
-      selectCounterData.avgDuration = Utils.getProbablyTime(
-        selectCounterData.wallDuration / parseInt(selectCounterData.count)
-      );
+      selectCounterData.avgDuration = (selectCounterData.wallDuration / parseInt(selectCounterData.count) / 1000).toFixed(2);
       dataSource.push(selectCounterData);
     }
     this.irqCounterSource = dataSource;
@@ -77,9 +75,11 @@ export class TabPaneIrqCounter extends BaseElement {
         <lit-table id="tb-irq-counter" style="height: auto">
             <lit-table-column width="30%" title="Name" data-index="name" key="name"  align="flex-start" order>
             </lit-table-column>
-            <lit-table-column width="1fr" title="Duration" data-index="wallDurationFormat" key="wallDurationFormat"  align="flex-start" order >
+            <lit-table-column width="1fr" title="Duration(μs)" data-index="wallDurationFormat" key="wallDurationFormat"  align="flex-start" order >
             </lit-table-column>
-            <lit-table-column width="1fr" title="Average Duration" data-index="avgDuration" key="avgDuration"  align="flex-start" order >
+            <lit-table-column width="1fr" title="Max Duration(μs)" data-index="maxDuration" key="maxDuration"  align="flex-start" order >
+            </lit-table-column>
+            <lit-table-column width="1fr" title="Average Duration(μs)" data-index="avgDuration" key="avgDuration"  align="flex-start" order >
             </lit-table-column>
             <lit-table-column width="1fr" title="Occurrences" data-index="count" key="count"  align="flex-start" order >
             </lit-table-column>
@@ -95,7 +95,9 @@ export class TabPaneIrqCounter extends BaseElement {
       for (let index = 0; index < list.length; index++) {
         selectData.wallDuration += list[index].dur;
       }
-      selectData.wallDurationFormat = Utils.getProbablyTime(selectData.wallDuration);
+      list.sort((a, b) => b.dur - a.dur);
+      selectData.maxDuration = (list[0].dur / 1000).toFixed(2);
+      selectData.wallDurationFormat = (selectData.wallDuration / 1000).toFixed(2);
     }
     return selectData;
   }