docs: update omi docs

site/omi-src/src/docs/en/lifecycle.md

@@ -16,14 +16,13 @@ For example:
 import { render, WeElement, define } from 'omi'
 
 define('my-timer', class extends WeElement {
-  static observe = true
-
   data = {
     seconds: 0
   }
 
   tick() {
     this.data.seconds++
+    this.update()
   }
 
   install() {

site/omi-src/src/docs/en/router.md

@@ -34,7 +34,6 @@ import './user'
 import './user-list'
 
 define('my-app', class extends WeElement {
-  static observe = true
 
   data = { tag: 'my-home' }
 
@@ -42,20 +41,24 @@ define('my-app', class extends WeElement {
 
     route('/', () => {
       this.data.tag = 'my-home'
+      this.update()
     })
 
     route('/about', (evt) => {
       console.log(evt.query)
       this.data.tag = 'my-about'
+      this.update()
     })
 
     route('/user-list', () => {
       this.data.tag = 'user-list'
+      this.update()
     })
 
     route('/user/:name/category/:category', (evt) => {
       this.data.tag = 'my-user'
       this.data.params = evt.params
+      this.update()
     })
 
     route('*', function () {

site/omi-src/src/docs/zh-cn/router.md

@@ -34,7 +34,6 @@ import './user'
 import './user-list'
 
 define('my-app', class extends WeElement {
-  static observe = true
 
   data = { tag: 'my-home' }
 
@@ -42,20 +41,24 @@ define('my-app', class extends WeElement {
 
     route('/', () => {
       this.data.tag = 'my-home'
+      this.update()
     })
 
     route('/about', (evt) => {
       console.log(evt.query)
       this.data.tag = 'my-about'
+      this.update()
     })
 
     route('/user-list', () => {
       this.data.tag = 'user-list'
+      this.update()
     })
 
     route('/user/:name/category/:category', (evt) => {
       this.data.tag = 'my-user'
       this.data.params = evt.params
+      this.update()
     })
 
     route('*', function () {