diff --git a/docs/guide-zh-CN/images/code/tree-init.png b/docs/guide-zh-CN/images/code/tree-init.png
new file mode 100644
index 0000000..d5c7bdc
Binary files /dev/null and b/docs/guide-zh-CN/images/code/tree-init.png differ
diff --git a/docs/guide-zh-CN/images/code/tree-list.png b/docs/guide-zh-CN/images/code/tree-list.png
new file mode 100644
index 0000000..e93b4b3
Binary files /dev/null and b/docs/guide-zh-CN/images/code/tree-list.png differ
diff --git a/docs/guide-zh-CN/images/code/tree-list2.png b/docs/guide-zh-CN/images/code/tree-list2.png
new file mode 100644
index 0000000..ec4a7c4
Binary files /dev/null and b/docs/guide-zh-CN/images/code/tree-list2.png differ
diff --git a/docs/guide-zh-CN/images/code/tree-preview.png b/docs/guide-zh-CN/images/code/tree-preview.png
new file mode 100644
index 0000000..79d7115
Binary files /dev/null and b/docs/guide-zh-CN/images/code/tree-preview.png differ
diff --git a/docs/guide-zh-CN/images/demo/1.png b/docs/guide-zh-CN/images/demo/1.png
new file mode 100644
index 0000000..f140c18
Binary files /dev/null and b/docs/guide-zh-CN/images/demo/1.png differ