diff --git a/docs/CNAME b/docs/CNAME
new file mode 100644
index 00000000..fac3311c
--- /dev/null
+++ b/docs/CNAME
@@ -0,0 +1 @@
+learn-python3.itranswarp.com
\ No newline at end of file
diff --git a/docs/pyscript_plugin.js b/docs/pyscript_plugin.js
new file mode 100644
index 00000000..39e7bae7
--- /dev/null
+++ b/docs/pyscript_plugin.js
@@ -0,0 +1,31 @@
+export default class LearnPython3Plugin {
+    afterStartup(runtime) {
+        console.log('[plugin] pyscript startup.');
+        window.__pyscript_ready__ = true;
+    }
+
+    afterPyScriptExec(opt) {
+        let
+            tag = opt.pyScriptTag,
+            outputId = tag.getAttribute('output'),
+            $btn = $('button[outputId=' + outputId + ']'),
+            $i = $btn.find('i');
+        $i.removeClass('uk-icon-spinner');
+        $i.removeClass('uk-icon-spin');
+        $btn.removeAttr('disabled');
+        let err = $(tag).find('pre.py-error').html();
+        if (err) {
+            let
+                $out = $('#' + outputId),
+                s = $out.html();
+            s = s + err.replaceAll(' ', ' ');
+            $out.html(s);
+            $out.addClass('uk-alert-danger');
+        }
+    }
+
+    onUserError(err) {
+        console.log('Error >>>');
+        console.error(err);
+    }
+}
diff --git a/samples/basic/do_match.py b/samples/basic/do_match.py
new file mode 100644
index 00000000..b14fe51f
--- /dev/null
+++ b/samples/basic/do_match.py
@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+# 简单匹配:
+print('-- simple match --')
+
+score = 'A'
+
+match score:
+    case 'A':
+        print('score is A.')
+    case 'B':
+        print('score is B.')
+    case 'C':
+        print('score is C.')
+    case _:
+        print('score is ???.')
+
+# 复杂匹配:
+print('-- complex match --')
+
+age = 15
+
+match age:
+    case x if x < 10:
+        print('< 10 years old.')
+    case 10:
+        print('10 years old.')
+    case 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18:
+        print('11~18 years old.')
+    case 19:
+        print('19 years old.')
+    case _:
+        print('not sure.')
+
+# 列表匹配:
+print('-- match list --')
+
+args = ['gcc', 'hello.c', 'world.c']
+# args = ['clean']
+# args = ['gcc']
+
+match args:
+    # 如果仅出现gcc，报错:
+    case ['gcc']:
+        print('gcc: missing source file(s).')
+    # 出现gcc，且至少指定了一个文件:
+    case ['gcc', file1, *files]:
+        print('gcc compile: ' + file1 + ', ' + ', '.join(files))
+    # 仅出现clean:
+    case ['clean']:
+        print('clean')
+    case _:
+        print('invalid command.')
diff --git a/samples/basic/hello.py b/samples/basic/hello/hello.py
similarity index 100%
rename from samples/basic/hello.py
rename to samples/basic/hello/hello.py
diff --git a/samples/micropython/rccar/main.py b/samples/micropython/rccar/main.py
index 595133d5..cf18c927 100644
--- a/samples/micropython/rccar/main.py
+++ b/samples/micropython/rccar/main.py
@@ -61,7 +61,7 @@ def joystickLoop(robot, eventFile):
                     return robot.inactive()
             elif t == 3:
                 if c == 1:
-                    # Left stick & verticle:
+                    # Left stick & vertical:
                     speed = 0
                     if v < 32768:
                         # up: