diff --git a/components/tree-select/doc/index.en-US.md b/components/tree-select/doc/index.en-US.md
index 0d14d5dd98..8520c95ba3 100755
--- a/components/tree-select/doc/index.en-US.md
+++ b/components/tree-select/doc/index.en-US.md
@@ -30,7 +30,7 @@ Any data whose entries are defined in a hierarchical manner is fit to use this c
 | `[nzShowExpand]` | Show a Expand Icon before the treeNodes | `boolean` | `true` |
 | `[nzShowLine]` | Shows a connecting line | `boolean` | `false` |
 | `[nzAsyncData]` | Load data asynchronously (should be used with NzTreeNode.addChildren(...)) | `boolean` | `false` |
-| `[nzNodes]` | Data of the treeNodes | `NzTreeNode[]` | `[]` |
+| `[nzNodes]` | Data of the treeNodes | `NzTreeNodeOptions[]` | `[]` |
 | `[nzDefaultExpandAll]` | Whether to expand all treeNodes by default | `boolean` | `false` |
 | `[nzDefaultExpandedKeys]` | Default expanded treeNodes | `string[]` | - |
 | `[nzDisplayWith]` | How to display the selected node value in the trigger | `(node: NzTreeNode) => string` | `(node: NzTreeNode) => node.title` |
diff --git a/components/tree-select/doc/index.zh-CN.md b/components/tree-select/doc/index.zh-CN.md
index 9492bd2a82..dc0c3c280e 100755
--- a/components/tree-select/doc/index.zh-CN.md
+++ b/components/tree-select/doc/index.zh-CN.md
@@ -30,7 +30,7 @@ title: TreeSelect
 | `[nzShowExpand]` | 节点前添加展开图标 | `boolean` | `true` |
 | `[nzShowLine]` | 是否展示连接线 | `boolean` | `false` |
 | `[nzAsyncData]` | 是否异步加载(显示加载状态) | `boolean` | `false` |
-| `[nzNodes]` | treeNodes 数据 | `NzTreeNode[]` | `[]` |
+| `[nzNodes]` | treeNodes 数据 | `NzTreeNodeOptions[]` | `[]` |
 | `[nzDefaultExpandAll]` | 默认展开所有树节点 | `boolean` | `false` |
 | `[nzDefaultExpandedKeys]` | 默认展开指定的树节点 | `string[]` | - |
 | `[nzDisplayWith]` | 如何在输入框显示所选的节点值的方法 | `(node: NzTreeNode) => string` | `(node: NzTreeNode) => node.title` |
diff --git a/components/tree-select/nz-tree-select.component.ts b/components/tree-select/nz-tree-select.component.ts
index 134299fcc5..5961a5b558 100644
--- a/components/tree-select/nz-tree-select.component.ts
+++ b/components/tree-select/nz-tree-select.component.ts
@@ -340,7 +340,13 @@ export class NzTreeSelectComponent implements ControlValueAccessor, OnInit, OnDe
 
   updateSelectedNodes(init: boolean = false): void {
     if (init) {
-      const nodes = this.nzNodes.map(item => new NzTreeNode(item, null, this.nzTreeService));
+      let nodes;
+      if (!this.nzTreeService.isArrayOfNzTreeNode(this.nzNodes)) {
+        // has not been new NzTreeNode
+        nodes = this.nzNodes.map(item => (new NzTreeNode(item, null, this.nzTreeService)));
+      } else {
+        nodes = this.nzNodes.map(item => (new NzTreeNode({ ...item.origin }, null, this.nzTreeService)));
+      }
       this.nzTreeService.initTree(nodes);
       if (this.nzCheckable) {
         this.nzTreeService.calcCheckedKeys(this.value, nodes);
diff --git a/components/tree-select/nz-tree-select.spec.ts b/components/tree-select/nz-tree-select.spec.ts
index 300654912c..f47fbb1783 100644
--- a/components/tree-select/nz-tree-select.spec.ts
+++ b/components/tree-select/nz-tree-select.spec.ts
@@ -6,6 +6,7 @@ import { FormsModule, FormBuilder, FormGroup, ReactiveFormsModule } from '@angul
 import { By } from '@angular/platform-browser';
 import { NoopAnimationsModule } from '@angular/platform-browser/animations';
 import { createKeyboardEvent, dispatchFakeEvent, dispatchMouseEvent, typeInElement } from '../core/testing';
+import { NzTreeNode } from '../tree';
 import { NzTreeSelectComponent } from './nz-tree-select.component';
 import { NzTreeSelectModule } from './nz-tree-select.module';
 
@@ -222,7 +223,7 @@ describe('tree-select component', () => {
       tick(200);
       fixture.detectChanges();
       expect(treeSelect.nativeElement.querySelectorAll('.ant-select-selection__choice').length).toBe(3);
-      const maxTagPlaceholderElement = treeSelect.nativeElement.querySelectorAll('.ant-select-selection__choice')[2]
+      const maxTagPlaceholderElement = treeSelect.nativeElement.querySelectorAll('.ant-select-selection__choice')[ 2 ]
       .querySelector('.ant-select-selection__choice__content');
       expect(maxTagPlaceholderElement).toBeTruthy();
       expect(maxTagPlaceholderElement.innerText.trim()).toBe(`+ ${testComponent.value.length - testComponent.maxTagCount} ...`);
@@ -655,7 +656,7 @@ export class NzTestTreeSelectFormComponent {
         }
       ]
     }
-  ];
+  ].map(item => new NzTreeNode(item));
 
   constructor(private fb: FormBuilder) {
     this.formGroup = this.fb.group({