diff --git a/ide/src/trace/bean/BoxSelection.ts b/ide/src/trace/bean/BoxSelection.ts
index 60daf4f477833c32a40bd8bd760198ed3938d5e3..3362cb9bb859effb2be1e37e190044020810288c 100644
--- a/ide/src/trace/bean/BoxSelection.ts
+++ b/ide/src/trace/bean/BoxSelection.ts
@@ -126,6 +126,7 @@ export class SelectionData {
   tid: string = '';
   wallDuration: number = 0;
   wallDurationFormat: string = '';
+  maxDuration: string = '';
   avgDuration: string = '';
   occurrences: number = 0;
   state: string = '';
diff --git a/ide/src/trace/component/trace/sheet/irq/TabPaneIrqCounter.ts b/ide/src/trace/component/trace/sheet/irq/TabPaneIrqCounter.ts
index 7207250fe6155c355833e4253c26d80fdfd1a461..5283d94ce4f144016c93cf47be09e6f31fbd46cb 100644
--- a/ide/src/trace/component/trace/sheet/irq/TabPaneIrqCounter.ts
+++ b/ide/src/trace/component/trace/sheet/irq/TabPaneIrqCounter.ts
@@ -38,9 +38,9 @@ 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 +77,11 @@ 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="Average Duration(μs)" data-index="avgDuration" key="avgDuration"  align="flex-start" order >
+            </lit-table-column>
+            <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="Occurrences" data-index="count" key="count"  align="flex-start" order >
             </lit-table-column>
@@ -95,7 +97,11 @@ 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(function (a, b) {
+        return b.dur - a.dur;
+      })
+      selectData.maxDuration = (list[0].dur / 1000).toFixed(2);
+      selectData.wallDurationFormat = (selectData.wallDuration / 1000).toFixed(2);
     }
     return selectData;
   }