diff --git a/src/portal/src/app/base/project/repository/artifact/artifact-list-page/artifact-list/artifact-list-tab/artifact-list-tab.component.html b/src/portal/src/app/base/project/repository/artifact/artifact-list-page/artifact-list/artifact-list-tab/artifact-list-tab.component.html
index b21734df9..61a60f504 100644
--- a/src/portal/src/app/base/project/repository/artifact/artifact-list-page/artifact-list/artifact-list-tab/artifact-list-tab.component.html
+++ b/src/portal/src/app/base/project/repository/artifact/artifact-list-page/artifact-list/artifact-list-tab/artifact-list-tab.component.html
@@ -546,7 +546,6 @@
                     ngProjectAs="clr-dg-row-detail"
                     *ngIf="artifact?.accessories?.length">
                     <sub-accessories
-                        (deleteAccessory)="deleteAccessory($event)"
                         [projectName]="projectName"
                         [repositoryName]="repoName"
                         [artifactDigest]="artifact?.digest"
diff --git a/src/portal/src/app/base/project/repository/artifact/artifact-list-page/artifact-list/artifact-list-tab/artifact-list-tab.component.ts b/src/portal/src/app/base/project/repository/artifact/artifact-list-page/artifact-list/artifact-list-tab/artifact-list-tab.component.ts
index 1fedfbd7f..dd01b0710 100644
--- a/src/portal/src/app/base/project/repository/artifact/artifact-list-page/artifact-list/artifact-list-tab/artifact-list-tab.component.ts
+++ b/src/portal/src/app/base/project/repository/artifact/artifact-list-page/artifact-list/artifact-list-tab/artifact-list-tab.component.ts
@@ -189,6 +189,7 @@ export class ArtifactListTabComponent
     );
     copiedHiddenArray: boolean[] = [];
     private _hasViewInit: boolean = false;
+    deleteAccessorySub: Subscription;
     constructor(
         private errorHandlerService: ErrorHandler,
         private artifactService: ArtifactService,
@@ -242,6 +243,14 @@ export class ArtifactListTabComponent
                 }
             );
         }
+        if (!this.deleteAccessorySub) {
+            this.deleteAccessorySub = this.eventService.subscribe(
+                HarborEvent.DELETE_ACCESSORY,
+                (a: Accessory) => {
+                    this.deleteAccessory(a);
+                }
+            );
+        }
     }
 
     ngAfterViewInit() {
@@ -253,6 +262,10 @@ export class ArtifactListTabComponent
             this.updateArtifactSub.unsubscribe();
             this.updateArtifactSub = null;
         }
+        if (this.deleteAccessorySub) {
+            this.deleteAccessorySub.unsubscribe();
+            this.deleteAccessorySub = null;
+        }
     }
     get withNotary(): boolean {
         return this.appConfigService.getConfig()?.with_notary;
diff --git a/src/portal/src/app/base/project/repository/artifact/artifact-list-page/artifact-list/artifact-list-tab/sub-accessories/sub-accessories.component.html b/src/portal/src/app/base/project/repository/artifact/artifact-list-page/artifact-list/artifact-list-tab/sub-accessories/sub-accessories.component.html
index fda12da8c..f4f993329 100644
--- a/src/portal/src/app/base/project/repository/artifact/artifact-list-page/artifact-list/artifact-list-tab/sub-accessories/sub-accessories.component.html
+++ b/src/portal/src/app/base/project/repository/artifact/artifact-list-page/artifact-list/artifact-list-tab/sub-accessories/sub-accessories.component.html
@@ -16,10 +16,14 @@
             </button>
         </clr-dg-action-overflow>
         <clr-dg-cell class="relative">
+            <!--it will cause a ExpressionChangedAfterItHasBeenCheckedError when read datagrid['el']?.nativeElement?.offsetHeight so
+             use OnPush Strategy to avoid ExpressionChangedAfterItHasBeenCheckedError-->
             <hr
                 class="y-dash-line"
-                *ngIf="i === displayedAccessories?.length - 1 && viewInit"
-                [style.height.px]="dashLineHeight" />
+                [hidden]="i !== displayedAccessories?.length - 1"
+                [style.height.px]="
+                    datagrid['el']?.nativeElement?.offsetHeight || 0
+                " />
             <hr class="x-dash-line" />
             <div class="cell">
                 <div
@@ -55,6 +59,17 @@
                 {{ a.creation_time | harborDatetime : 'short' }}
             </div>
         </clr-dg-cell>
+        <ng-container
+            ngProjectAs="clr-dg-row-detail"
+            *ngIf="a?.accessories?.length">
+            <sub-accessories
+                [projectName]="projectName"
+                [repositoryName]="repositoryName"
+                [artifactDigest]="a?.digest"
+                [total]="a?.accessoryNumber"
+                [accessories]="a?.accessories"
+                *clrIfExpanded></sub-accessories>
+        </ng-container>
     </clr-dg-row>
     <clr-dg-footer *ngIf="total > pageSize">
         <clr-dg-pagination
diff --git a/src/portal/src/app/base/project/repository/artifact/artifact-list-page/artifact-list/artifact-list-tab/sub-accessories/sub-accessories.component.spec.ts b/src/portal/src/app/base/project/repository/artifact/artifact-list-page/artifact-list/artifact-list-tab/sub-accessories/sub-accessories.component.spec.ts
index fd31df986..3a46783d5 100644
--- a/src/portal/src/app/base/project/repository/artifact/artifact-list-page/artifact-list/artifact-list-tab/sub-accessories/sub-accessories.component.spec.ts
+++ b/src/portal/src/app/base/project/repository/artifact/artifact-list-page/artifact-list/artifact-list-tab/sub-accessories/sub-accessories.component.spec.ts
@@ -64,6 +64,9 @@ describe('SubAccessoriesComponent', () => {
         listAccessories() {
             return of(page2).pipe(delay(0));
         },
+        listAccessoriesResponse() {
+            return of({}).pipe(delay(0));
+        },
     };
 
     let component: SubAccessoriesComponent;
diff --git a/src/portal/src/app/base/project/repository/artifact/artifact-list-page/artifact-list/artifact-list-tab/sub-accessories/sub-accessories.component.ts b/src/portal/src/app/base/project/repository/artifact/artifact-list-page/artifact-list/artifact-list-tab/sub-accessories/sub-accessories.component.ts
index 96c369ea9..9c700e932 100644
--- a/src/portal/src/app/base/project/repository/artifact/artifact-list-page/artifact-list/artifact-list-tab/sub-accessories/sub-accessories.component.ts
+++ b/src/portal/src/app/base/project/repository/artifact/artifact-list-page/artifact-list/artifact-list-tab/sub-accessories/sub-accessories.component.ts
@@ -1,10 +1,10 @@
 import {
+    AfterViewInit,
+    ChangeDetectionStrategy,
+    ChangeDetectorRef,
     Component,
-    EventEmitter,
     Input,
     OnInit,
-    Output,
-    ViewChild,
 } from '@angular/core';
 import {
     clone,
@@ -22,8 +22,15 @@ import { ErrorHandler } from '../../../../../../../../shared/units/error-handler
 import { finalize } from 'rxjs/operators';
 import { SafeUrl } from '@angular/platform-browser';
 import { ArtifactService } from '../../../../artifact.service';
-import { AccessoryQueryParams, artifactDefault } from '../../../../artifact';
-import { ClrDatagrid } from '@clr/angular';
+import {
+    AccessoryFront,
+    AccessoryQueryParams,
+    artifactDefault,
+} from '../../../../artifact';
+import {
+    EventService,
+    HarborEvent,
+} from '../../../../../../../../services/event-service/event.service';
 
 export const ACCESSORY_PAGE_SIZE: number = 5;
 
@@ -31,8 +38,9 @@ export const ACCESSORY_PAGE_SIZE: number = 5;
     selector: 'sub-accessories',
     templateUrl: 'sub-accessories.component.html',
     styleUrls: ['./sub-accessories.component.scss'],
+    changeDetection: ChangeDetectionStrategy.OnPush, // use OnPush Strategy to avoid ExpressionChangedAfterItHasBeenCheckedError
 })
-export class SubAccessoriesComponent implements OnInit {
+export class SubAccessoriesComponent implements OnInit, AfterViewInit {
     @Input()
     projectName: string;
     @Input()
@@ -41,32 +49,29 @@ export class SubAccessoriesComponent implements OnInit {
     artifactDigest: string;
     @Input()
     accessories: Accessory[] = [];
-    @Output()
-    deleteAccessory: EventEmitter<Accessory> = new EventEmitter<Accessory>();
     currentPage: number = 1;
     @Input()
     total: number = 0;
     pageSize: number = ACCESSORY_PAGE_SIZE;
     page: number = 1;
-    displayedAccessories: Accessory[] = [];
+    displayedAccessories: AccessoryFront[] = [];
     loading: boolean = false;
-    @ViewChild('datagrid')
-    datagrid: ClrDatagrid;
-    viewInit: boolean = false;
     constructor(
         private activatedRoute: ActivatedRoute,
         private router: Router,
         private newArtifactService: NewArtifactService,
         private artifactService: ArtifactService,
-        private errorHandlerService: ErrorHandler
+        private errorHandlerService: ErrorHandler,
+        private cdf: ChangeDetectorRef,
+        private event: EventService
     ) {}
 
+    ngAfterViewInit(): void {
+        this.cdf.detectChanges();
+    }
+
     ngOnInit(): void {
         this.displayedAccessories = clone(this.accessories);
-        // avoid ng checking error
-        setTimeout(() => {
-            this.viewInit = true;
-        });
     }
     size(size: number) {
         return formatSize(size.toString());
@@ -103,13 +108,14 @@ export class SubAccessoriesComponent implements OnInit {
     }
 
     delete(a: Accessory) {
-        this.deleteAccessory.emit(a);
+        this.event.publish(HarborEvent.DELETE_ACCESSORY, a);
     }
 
     clrLoad() {
         if (this.currentPage === 1) {
             this.displayedAccessories = clone(this.accessories);
             this.getIconFromBackend();
+            this.getAccessoriesAsync(this.displayedAccessories);
             return;
         }
         this.loading = true;
@@ -126,7 +132,9 @@ export class SubAccessoriesComponent implements OnInit {
             .subscribe(
                 res => {
                     this.displayedAccessories = res;
+                    this.cdf.detectChanges();
                     this.getIconFromBackend();
+                    this.getAccessoriesAsync(this.displayedAccessories);
                 },
                 error => {
                     this.errorHandlerService.error(error);
@@ -139,14 +147,37 @@ export class SubAccessoriesComponent implements OnInit {
         }
     }
 
-    get dashLineHeight() {
-        if (
-            this.datagrid &&
-            this.datagrid['el'] &&
-            this.datagrid['el']?.nativeElement?.offsetHeight
-        ) {
-            return this.datagrid['el'].nativeElement?.offsetHeight;
+    // get accessories
+    getAccessoriesAsync(artifacts: AccessoryFront[]) {
+        if (artifacts && artifacts.length) {
+            artifacts.forEach(item => {
+                const listTagParams: NewArtifactService.ListAccessoriesParams =
+                    {
+                        projectName: this.projectName,
+                        repositoryName: dbEncodeURIComponent(
+                            this.repositoryName
+                        ),
+                        reference: item.digest,
+                        page: 1,
+                        pageSize: ACCESSORY_PAGE_SIZE,
+                    };
+                this.newArtifactService
+                    .listAccessoriesResponse(listTagParams)
+                    .subscribe(res => {
+                        if (res.headers) {
+                            let xHeader: string =
+                                res.headers.get('x-total-count');
+                            if (xHeader) {
+                                item.accessoryNumber = Number.parseInt(
+                                    xHeader,
+                                    10
+                                );
+                            }
+                        }
+                        item.accessories = res.body;
+                        this.cdf.detectChanges();
+                    });
+            });
         }
-        return 0;
     }
 }
diff --git a/src/portal/src/app/base/project/repository/artifact/artifact.ts b/src/portal/src/app/base/project/repository/artifact/artifact.ts
index 776a625ba..25a2036e3 100644
--- a/src/portal/src/app/base/project/repository/artifact/artifact.ts
+++ b/src/portal/src/app/base/project/repository/artifact/artifact.ts
@@ -14,9 +14,9 @@ export interface ArtifactFront extends Artifact {
 }
 
 export interface AccessoryFront extends Accessory {
-    pullCommand?: string;
-    tagNumber?: number;
-    scan_overview?: any;
+    coSigned?: string;
+    accessoryNumber?: number;
+    accessories?: any;
 }
 
 export const multipleFilter: Array<{
diff --git a/src/portal/src/app/services/event-service/event.service.ts b/src/portal/src/app/services/event-service/event.service.ts
index dedca6de2..fe492e32c 100644
--- a/src/portal/src/app/services/event-service/event.service.ts
+++ b/src/portal/src/app/services/event-service/event.service.ts
@@ -79,4 +79,5 @@ export enum HarborEvent {
     STOP_SCAN_ARTIFACT = 'stopScanArtifact',
     UPDATE_VULNERABILITY_INFO = 'UpdateVulnerabilityInfo',
     REFRESH_EXPORT_JOBS = 'refreshExportJobs',
+    DELETE_ACCESSORY = 'deleteAccessory',
 }