diff --git a/components/card/demo/loading.ts b/components/card/demo/loading.ts
index b3b994ce87b..7ef06ce8e9e 100644
--- a/components/card/demo/loading.ts
+++ b/components/card/demo/loading.ts
@@ -3,15 +3,28 @@ import { Component } from '@angular/core';
 @Component({
   selector: 'nz-demo-card-loading',
   template: `
-    <nz-card [nzLoading]="loading" nzTitle="Card title">
-      Whatever content
+    <nz-switch [(ngModel)]="loading"></nz-switch>
+    <nz-card
+      style="width: 300px;margin-top: 16px"
+      [nzActions]="[actionSetting,actionEdit,actionEllipsis]">
+      <nz-skeleton [nzActive]="true" [nzLoading]="loading" [nzAvatar]="{size: 'large'}">
+        <nz-card-meta [nzAvatar]="avatarTemplate" nzTitle="Card title" nzDescription="This is the description"></nz-card-meta>
+      </nz-skeleton>
     </nz-card>
-    <button nz-button style="margin-top: 16px;" (click)="toggleLoading()">Toggle loading</button>
+    <ng-template #avatarTemplate>
+      <nz-avatar nzSrc="https://zos.alipayobjects.com/rmsportal/ODTLcjxAfvqbxHnVXCYX.png"></nz-avatar>
+    </ng-template>
+    <ng-template #actionSetting>
+      <i class="anticon anticon-setting"></i>
+    </ng-template>
+    <ng-template #actionEdit>
+      <i class="anticon anticon-edit"></i>
+    </ng-template>
+    <ng-template #actionEllipsis>
+      <i class="anticon anticon-ellipsis"></i>
+    </ng-template>
   `
 })
 export class NzDemoCardLoadingComponent {
   loading = true;
-  toggleLoading(): void {
-    this.loading = !this.loading;
-  }
 }
diff --git a/components/card/nz-card.spec.ts b/components/card/nz-card.spec.ts
index 91866c54667..65b13667abc 100644
--- a/components/card/nz-card.spec.ts
+++ b/components/card/nz-card.spec.ts
@@ -73,13 +73,14 @@ describe('card', () => {
     fixture.detectChanges();
     expect(card.nativeElement.classList).toContain('ant-card');
   });
-  it('should loading work', () => {
-    const fixture = TestBed.createComponent(NzDemoCardLoadingComponent);
-    const card = fixture.debugElement.query(By.directive(NzCardComponent));
-    fixture.detectChanges();
-    expect(card.nativeElement.classList).toContain('ant-card-loading');
-    expect(card.nativeElement.querySelector('nz-card-loading').classList).toContain('ant-card-loading-content');
-  });
+  // this demo has changed to use nz-skeleton
+  // it('should loading work', () => {
+  //   const fixture = TestBed.createComponent(NzDemoCardLoadingComponent);
+  //   const card = fixture.debugElement.query(By.directive(NzCardComponent));
+  //   fixture.detectChanges();
+  //   expect(card.nativeElement.classList).toContain('ant-card-loading');
+  //   expect(card.nativeElement.querySelector('nz-card-loading').classList).toContain('ant-card-loading-content');
+  // });
   it('should grid work', () => {
     const fixture = TestBed.createComponent(NzDemoCardGridCardComponent);
     const card = fixture.debugElement.query(By.directive(NzCardComponent));
diff --git a/components/skeleton/nz-skeleton.component.ts b/components/skeleton/nz-skeleton.component.ts
index 9913d9b5f7b..b7f819e96da 100644
--- a/components/skeleton/nz-skeleton.component.ts
+++ b/components/skeleton/nz-skeleton.component.ts
@@ -1,5 +1,5 @@
 import { Component, Input, OnChanges, OnInit, SimpleChanges } from '@angular/core';
-import { NzSkeletonAvatar, NzSkeletonParagraph, NzSkeletonTitle } from './nz-skeleton.type';
+import { AvatarShape, NzSkeletonAvatar, NzSkeletonParagraph, NzSkeletonTitle } from './nz-skeleton.type';
 
 @Component({
   selector: 'nz-skeleton',
@@ -24,24 +24,28 @@ export class NzSkeletonComponent implements OnInit, OnChanges {
   @Input() nzAvatar: NzSkeletonAvatar | boolean = false;
   @Input() nzParagraph: NzSkeletonParagraph | boolean = true;
 
-  getTitleBasicProps(hasAvatar: boolean, hasParagraph: boolean): NzSkeletonTitle {
+  private getTitleBasicProps(): NzSkeletonTitle {
+    const hasAvatar: boolean = !!this.nzAvatar;
+    const hasParagraph: boolean = !!this.nzParagraph;
+    let width: string;
     if (!hasAvatar && hasParagraph) {
-      return { width: '38%' };
-    }
-    if (hasAvatar && hasParagraph) {
-      return { width: '50%' };
+      width = '38%';
+    } else if (hasAvatar && hasParagraph) {
+      width = '50%';
+    } else {
+      width = '100%';
     }
-    return { width: '100%' };
+    return { width, ...this.getProps(this.nzTitle) };
   }
 
-  getAvatarBasicProps(hasTitle: boolean, hasParagraph: boolean): NzSkeletonAvatar {
-    if (hasTitle && !hasParagraph) {
-      return { shape: 'square' };
-    }
-    return { shape: 'circle' };
+  private getAvatarBasicProps(): NzSkeletonAvatar {
+    const shape: AvatarShape = (!!this.nzTitle && !this.nzParagraph) ? 'square' : 'circle';
+    return { shape, ...this.getProps(this.nzAvatar) };
   }
 
-  getParagraphBasicProps(hasAvatar: boolean, hasTitle: boolean): NzSkeletonParagraph {
+  private getParagraphBasicProps(): NzSkeletonParagraph {
+    const hasAvatar: boolean = !!this.nzAvatar;
+    const hasTitle: boolean = !!this.nzTitle;
     const basicProps: NzSkeletonParagraph = {};
     // Width
     if (hasAvatar && hasTitle) {
@@ -55,17 +59,17 @@ export class NzSkeletonComponent implements OnInit, OnChanges {
     } else {
       basicProps.rows = 2;
     }
-    return basicProps;
+    return { ...basicProps, ...this.getProps(this.nzParagraph) };
   }
 
-  getProps<T>(prop: T | boolean | undefined): T | {}  {
+  private getProps<T>(prop: T | boolean | undefined): T | {}  {
     if (prop && typeof prop === 'object') {
       return prop;
     }
     return {};
   }
 
-  toCSSUnit(value: number | string = ''): string {
+  toCSSUnit(value: number | string = '100%'): string {
     if (typeof value === 'number') {
       return `${value}px`;
     } else if (typeof value === 'string') {
@@ -73,7 +77,7 @@ export class NzSkeletonComponent implements OnInit, OnChanges {
     }
   }
 
-  getWidthList(): Array<number | string> {
+  private getWidthList(): Array<number | string> {
     const { width, rows } = this.paragraph;
     let widthList = [];
     if (width && Array.isArray(width)) {
@@ -95,19 +99,10 @@ export class NzSkeletonComponent implements OnInit, OnChanges {
   }
 
   updateProps(): void {
-    this.title = {
-      ...this.getTitleBasicProps(!!this.nzAvatar, !!this.nzParagraph),
-      ...this.getProps(this.nzTitle)
-    };
-    this.avatar = {
-      ...this.getAvatarBasicProps(!!this.nzTitle, !!this.nzParagraph),
-      ...this.getProps(this.nzAvatar)
-    };
-    this.paragraph = {
-      ...this.getParagraphBasicProps(!!this.nzAvatar, !!this.nzTitle),
-      ...this.getProps(this.nzParagraph)
-    };
-    this.rowsList = [...Array(this.paragraph.rows)];
+    this.title     = this.getTitleBasicProps();
+    this.avatar    = this.getAvatarBasicProps();
+    this.paragraph = this.getParagraphBasicProps();
+    this.rowsList  = [...Array(this.paragraph.rows)];
     this.widthList = this.getWidthList();
   }
 
diff --git a/components/skeleton/nz-skeleton.spec.ts b/components/skeleton/nz-skeleton.spec.ts
index 23bdc8084ec..be37e3a3790 100644
--- a/components/skeleton/nz-skeleton.spec.ts
+++ b/components/skeleton/nz-skeleton.spec.ts
@@ -92,26 +92,26 @@ describe('skeleton', () => {
       fixture.detectChanges();
       let paragraphs = dl.nativeElement.querySelectorAll('.ant-skeleton-paragraph > li');
       expect(paragraphs.length).toBe(2);
-      expect(paragraphs[0].style.width).toBe('');
+      expect(paragraphs[0].style.width).toBe('100%');
       expect(paragraphs[1].style.width).toBe('100%');
       testComp.nzAvatar = false;
       fixture.detectChanges();
       paragraphs = dl.nativeElement.querySelectorAll('.ant-skeleton-paragraph > li');
       expect(paragraphs.length).toBe(3);
-      expect(paragraphs[1].style.width).toBe('');
+      expect(paragraphs[1].style.width).toBe('100%');
       expect(paragraphs[2].style.width).toBe('61%');
     });
     it('should width type is string or number work', () => {
       testComp.nzParagraph = { width: 100 };
       fixture.detectChanges();
       let paragraphs = dl.nativeElement.querySelectorAll('.ant-skeleton-paragraph > li');
-      expect(paragraphs[0].style.width).toBe('');
+      expect(paragraphs[0].style.width).toBe('100%');
       expect(paragraphs[1].style.width).toBe('100px');
       expect(paragraphs[2]).toBeFalsy();
       testComp.nzParagraph = { width: 100, rows: 3 };
       fixture.detectChanges();
       paragraphs = dl.nativeElement.querySelectorAll('.ant-skeleton-paragraph > li');
-      expect(paragraphs[1].style.width).toBe('');
+      expect(paragraphs[1].style.width).toBe('100%');
       expect(paragraphs[2].style.width).toBe('100px');
     });
     it('should define width type is Array work', () => {
@@ -125,7 +125,7 @@ describe('skeleton', () => {
       fixture.detectChanges();
       paragraphs = dl.nativeElement.querySelectorAll('.ant-skeleton-paragraph > li');
       expect(paragraphs[2].style.width).toBe('90%');
-      expect(paragraphs[3].style.width).toBe('');
+      expect(paragraphs[3].style.width).toBe('100%');
     });
   });
 });