diff --git a/backend/app/dto/dashboard.go b/backend/app/dto/dashboard.go
index 565d03009..3afb240ad 100644
--- a/backend/app/dto/dashboard.go
+++ b/backend/app/dto/dashboard.go
@@ -55,7 +55,8 @@ type DashboardCurrent struct {
 	IOReadBytes  uint64 `json:"ioReadBytes"`
 	IOWriteBytes uint64 `json:"ioWriteBytes"`
 	IOCount      uint64 `json:"ioCount"`
-	IOTime       uint64 `json:"ioTime"`
+	IOReadTime   uint64 `json:"ioReadTime"`
+	IOWriteTime  uint64 `json:"ioWriteTime"`
 
 	Total       uint64  `json:"total"`
 	Free        uint64  `json:"free"`
diff --git a/backend/app/service/dashboard.go b/backend/app/service/dashboard.go
index d40cf0e55..35d4d7d7d 100644
--- a/backend/app/service/dashboard.go
+++ b/backend/app/service/dashboard.go
@@ -136,20 +136,17 @@ func (u *DashboardService) LoadCurrentInfo(ioOption string, netOption string) *d
 			currentInfo.IOReadBytes += state.ReadBytes
 			currentInfo.IOWriteBytes += state.WriteBytes
 			currentInfo.IOCount += (state.ReadCount + state.WriteCount)
-			currentInfo.IOTime += state.ReadTime / 1000 / 1000
-			if state.WriteTime > state.ReadTime {
-				currentInfo.IOTime += state.WriteTime / 1000 / 1000
-			}
+			currentInfo.IOReadTime += state.ReadTime
+			currentInfo.IOWriteTime += state.WriteTime
 		}
 	} else {
 		diskInfo, _ := disk.IOCounters(ioOption)
 		for _, state := range diskInfo {
 			currentInfo.IOReadBytes += state.ReadBytes
 			currentInfo.IOWriteBytes += state.WriteBytes
-			currentInfo.IOTime += state.ReadTime / 1000 / 1000
-			if state.WriteTime > state.ReadTime {
-				currentInfo.IOTime += state.WriteTime / 1000 / 1000
-			}
+			currentInfo.IOCount += (state.ReadCount + state.WriteCount)
+			currentInfo.IOReadTime += state.ReadTime
+			currentInfo.IOWriteTime += state.WriteTime
 		}
 	}
 
diff --git a/cmd/server/docs/docs.go b/cmd/server/docs/docs.go
index 53a6c05a4..65f94535c 100644
--- a/cmd/server/docs/docs.go
+++ b/cmd/server/docs/docs.go
@@ -9260,12 +9260,15 @@ var doc = `{
                 "ioReadBytes": {
                     "type": "integer"
                 },
-                "ioTime": {
+                "ioReadTime": {
                     "type": "integer"
                 },
                 "ioWriteBytes": {
                     "type": "integer"
                 },
+                "ioWriteTime": {
+                    "type": "integer"
+                },
                 "load1": {
                     "type": "number"
                 },
diff --git a/cmd/server/docs/swagger.json b/cmd/server/docs/swagger.json
index 8d14d9c74..6ca3aca43 100644
--- a/cmd/server/docs/swagger.json
+++ b/cmd/server/docs/swagger.json
@@ -9246,12 +9246,15 @@
                 "ioReadBytes": {
                     "type": "integer"
                 },
-                "ioTime": {
+                "ioReadTime": {
                     "type": "integer"
                 },
                 "ioWriteBytes": {
                     "type": "integer"
                 },
+                "ioWriteTime": {
+                    "type": "integer"
+                },
                 "load1": {
                     "type": "number"
                 },
diff --git a/cmd/server/docs/swagger.yaml b/cmd/server/docs/swagger.yaml
index b8b570c62..49d223355 100644
--- a/cmd/server/docs/swagger.yaml
+++ b/cmd/server/docs/swagger.yaml
@@ -502,10 +502,12 @@ definitions:
         type: integer
       ioReadBytes:
         type: integer
-      ioTime:
+      ioReadTime:
         type: integer
       ioWriteBytes:
         type: integer
+      ioWriteTime:
+        type: integer
       load1:
         type: number
       load5:
diff --git a/frontend/src/api/interface/dashboard.ts b/frontend/src/api/interface/dashboard.ts
index 1e4e77f08..93eebb67c 100644
--- a/frontend/src/api/interface/dashboard.ts
+++ b/frontend/src/api/interface/dashboard.ts
@@ -49,8 +49,9 @@ export namespace Dashboard {
 
         ioReadBytes: number;
         ioWriteBytes: number;
-        ioTime: number;
         ioCount: number;
+        ioReadTime: number;
+        ioWriteTime: number;
 
         total: number;
         free: number;
diff --git a/frontend/src/views/home/index.vue b/frontend/src/views/home/index.vue
index 35881ab88..d43cbf6ce 100644
--- a/frontend/src/views/home/index.vue
+++ b/frontend/src/views/home/index.vue
@@ -104,7 +104,7 @@
                                 <el-tag>
                                     {{ $t('home.rwPerSecond') }}: {{ currentChartInfo.ioCount }} {{ $t('home.time') }}
                                 </el-tag>
-                                <el-tag>{{ $t('home.ioDelay') }}: {{ currentInfo.ioTime }} ms</el-tag>
+                                <el-tag>{{ $t('home.ioDelay') }}: {{ currentChartInfo.ioTime }} ms</el-tag>
                             </div>
 
                             <div v-if="chartOption === 'io'" style="margin-top: 40px">
@@ -282,8 +282,9 @@ const currentInfo = ref<Dashboard.CurrentInfo>({
 
     ioReadBytes: 0,
     ioWriteBytes: 0,
-    ioTime: 0,
     ioCount: 0,
+    ioReadTime: 0,
+    ioWriteTime: 0,
 
     total: 0,
     free: 0,
@@ -304,6 +305,7 @@ const currentChartInfo = reactive({
     ioReadBytes: 0,
     ioWriteBytes: 0,
     ioCount: 0,
+    ioTime: 0,
 
     netBytesSent: 0,
     netBytesRecv: 0,
@@ -389,7 +391,11 @@ const onLoadCurrentInfo = async () => {
     if (ioWriteBytes.value.length > 20) {
         ioWriteBytes.value.splice(0, 1);
     }
-    currentChartInfo.ioCount = Number(((res.data.ioCount - currentInfo.value.ioCount) / 3).toFixed(2));
+    currentChartInfo.ioCount = Math.round(Number((res.data.ioCount - currentInfo.value.ioCount) / 3));
+    let ioReadTime = res.data.ioReadTime - currentInfo.value.ioReadTime;
+    let ioWriteTime = res.data.ioWriteTime - currentInfo.value.ioWriteTime;
+    let ioChoose = ioReadTime > ioWriteTime ? ioReadTime : ioWriteTime;
+    currentChartInfo.ioTime = Math.round(Number(ioChoose / 3));
 
     timeIODatas.value.push(dateFormatForSecond(res.data.shotTime));
     if (timeIODatas.value.length > 20) {