diff --git a/src/ui_ng/lib/src/tag/tag.component.html.ts b/src/ui_ng/lib/src/tag/tag.component.html.ts
index 6b8e07eb6..eb77c920c 100644
--- a/src/ui_ng/lib/src/tag/tag.component.html.ts
+++ b/src/ui_ng/lib/src/tag/tag.component.html.ts
@@ -30,7 +30,7 @@ export const TAG_TEMPLATE = `
         <button class="action-item" *ngIf="hasProjectAdminRole" (click)="deleteTag(t)">{{'REPOSITORY.DELETE' | translate}}</button>
         <button class="action-item" (click)="showDigestId(t)">{{'REPOSITORY.COPY_DIGEST_ID' | translate}}</button>
       </clr-dg-action-overflow>
-      <clr-dg-cell style="width: 80px;" [ngSwitch]="withClair">
+      <clr-dg-cell style="width: 80px;" [ngSwitch]="existObservablePackage(t)">
         <a *ngSwitchCase="true" href="javascript:void(0)" (click)="onTagClick(t)">{{t.name}}</a>
         <span *ngSwitchDefault>{{t.name}}</span>
       </clr-dg-cell>
@@ -56,4 +56,4 @@ export const TAG_TEMPLATE = `
       {{pagination.totalItems}} {{'REPOSITORY.ITEMS' | translate}}&nbsp;&nbsp;&nbsp;&nbsp;
       <clr-dg-pagination #pagination [clrDgPageSize]="10"></clr-dg-pagination>
     </clr-dg-footer>
-</clr-datagrid>`;
\ No newline at end of file
+</clr-datagrid>`;
diff --git a/src/ui_ng/lib/src/tag/tag.component.ts b/src/ui_ng/lib/src/tag/tag.component.ts
index 663c31e2a..f934cf120 100644
--- a/src/ui_ng/lib/src/tag/tag.component.ts
+++ b/src/ui_ng/lib/src/tag/tag.component.ts
@@ -253,7 +253,7 @@ export class TagComponent implements OnInit {
     }
   }
 
-  //Get vulnerability scanning status 
+  //Get vulnerability scanning status
   scanStatus(t: Tag): string {
     if (t && t.scan_overview && t.scan_overview.scan_status) {
       return t.scan_overview.scan_status;
@@ -262,6 +262,13 @@ export class TagComponent implements OnInit {
     return VULNERABILITY_SCAN_STATUS.unknown;
   }
 
+  existObservablePackage(t: Tag): boolean {
+    return t.scan_overview &&
+      t.scan_overview.components &&
+      t.scan_overview.components.total &&
+      t.scan_overview.components.total > 0 ? true : false;
+  }
+
   //Whether show the 'scan now' menu
   canScanNow(t: Tag): boolean {
     if (!this.withClair) { return false; }
diff --git a/src/ui_ng/lib/src/vulnerability-scanning/result-tip.component.ts b/src/ui_ng/lib/src/vulnerability-scanning/result-tip.component.ts
index 0ada90c09..f729bc1c3 100644
--- a/src/ui_ng/lib/src/vulnerability-scanning/result-tip.component.ts
+++ b/src/ui_ng/lib/src/vulnerability-scanning/result-tip.component.ts
@@ -45,7 +45,9 @@ export class ResultTipComponent implements OnInit {
             level = VulnerabilitySeverity.LOW;
         }else if (this._unknownCount && this._unknownCount >= 1) {
             level = VulnerabilitySeverity.UNKNOWN;
-        }else {
+        }else if (this.totalPackages == 0) {
+             level = VulnerabilitySeverity.UNKNOWN;
+        } else {
             level = VulnerabilitySeverity.NONE;
         }
         return level;
@@ -105,8 +107,8 @@ export class ResultTipComponent implements OnInit {
         let m: number = this.totalPackages;
 
         if (m === 0) {
-            //If no packages recognized, then show green bar
-            if (severity === VulnerabilitySeverity.NONE) {
+            //If no packages recognized, then show grey
+            if (severity === VulnerabilitySeverity.UNKNOWN) {
                 return MAX_TIP_WIDTH + 'px';
             } else {
                 return 0 + 'px';
diff --git a/src/ui_ng/package.json b/src/ui_ng/package.json
index 7a921074c..9432f633b 100644
--- a/src/ui_ng/package.json
+++ b/src/ui_ng/package.json
@@ -31,7 +31,7 @@
         "clarity-icons": "^0.9.8",
         "clarity-ui": "^0.9.8",
         "core-js": "^2.4.1",
-        "harbor-ui": "0.4.71",
+        "harbor-ui": "0.4.72",
         "intl": "^1.2.5",
         "mutationobserver-shim": "^0.3.2",
         "ngx-cookie": "^1.0.0",