diff --git a/usr/lib/hosts-switch/window.py b/usr/lib/hosts-switch/_window.py
similarity index 100%
rename from usr/lib/hosts-switch/window.py
rename to usr/lib/hosts-switch/_window.py
diff --git a/usr/lib/hosts-switch/hosts-switch.py b/usr/lib/hosts-switch/hosts-switch.py
index ef5fcf8..93e0d0a 100755
--- a/usr/lib/hosts-switch/hosts-switch.py
+++ b/usr/lib/hosts-switch/hosts-switch.py
@@ -6,9 +6,8 @@ gi.require_version('Gtk', '3.0')
 
 from gi.repository import Gtk, Gdk, GLib, Gio, GObject, GdkPixbuf
 
-from we.gtk3 import WebEngine, create_setting, create_hmr_server
-# from webengine.gtk3 import WebEngine, create_setting, create_hmr_server
-from window import Window
+from webengine.gtk3 import WebEngine, create_setting, create_hmr_server
+from _window import Window
 
 APP_ID = 'fun.wkit.hosts-switch'
 __dir__ = os.path.dirname(os.path.realpath(__file__))
@@ -26,12 +25,12 @@ class Application(Gtk.Application):
     self.window = Window()
 
     web = WebEngine(self.window)
-    setting = create_setting({"devtools": True})
-    hmr = create_hmr_server()
-
     web.set_root(web_root)
-    
-    web.use(setting).use(hmr)
+
+    if os.getenv('RUN_ENV') == 'development':
+      setting = create_setting({"devtools": True})
+      hmr = create_hmr_server()
+      web.use(setting).use(hmr)
 
     web.connect('quit', self.quit_all)
     web.load()
@@ -61,5 +60,4 @@ if __name__ == "__main__":
     app.run(sys.argv)
   except Exception as err:
     print(err)
-    pass
 
diff --git a/usr/lib/hosts-switch/webapp/app.js b/usr/lib/hosts-switch/webapp/app.js
index f387aa2..7ff2e36 100644
--- a/usr/lib/hosts-switch/webapp/app.js
+++ b/usr/lib/hosts-switch/webapp/app.js
@@ -11,6 +11,8 @@ import { createApp, createRouter } from 'wkitd'
 import store from './store.js'
 import './components/home.js'
 
+import { noop } from './utils/index.js'
+
 createApp({
   data: {
     input: '',
@@ -32,7 +34,7 @@ createApp({
     }
   },
   render() {
-    return html` <wc-home @contextmenu.prevent2=${function () {}}></wc-home> `
+    return html` <wc-home @contextmenu.prevent=${noop}></wc-home> `
   }
 })
   .use(store)
diff --git a/usr/lib/hosts-switch/webapp/components/home.js b/usr/lib/hosts-switch/webapp/components/home.js
index 963e64e..75c442e 100644
--- a/usr/lib/hosts-switch/webapp/components/home.js
+++ b/usr/lib/hosts-switch/webapp/components/home.js
@@ -8,7 +8,6 @@ import { html, css, Component, classMap, nextTick, outsideClick } from 'wkit'
 import 'ui/icon/index.js'
 import 'ui/scroll/index.js'
 import 'ui/layer/index.js'
-// import 'local/layer/index.js'
 import 'ui/space/index.js'
 import 'ui/form/input.js'
 import 'ui/form/switch.js'
@@ -149,14 +148,16 @@ class Home extends Component {
   confirmAction(ev) {
     this.$refs.context.close()
     if (ev.target.tagName === 'LI') {
-      var act = ev.target.dataset.act
+      let act = ev.target.dataset.act
+      let { HOST_DATA, records, domains } = this.$store
+      let idx = domains.indexOf(this.editDomain)
 
       if (act === 'del') {
         layer
           .confirm(`是否要删除域名「${this.editDomain}」?`)
           .then(res => {
-            if (this.editDomain === this.activeDomain) {
-              if (this.records.length) {
+            if (this.editDomain === this.$store.activeDomain) {
+              if (records.length) {
                 return layer.toast(
                   '该域名下有主机记录, 请先删除主机记录后再删除域名',
                   'error'
@@ -171,40 +172,46 @@ class Home extends Component {
               }
             }
             delete HOST_DATA[this.editDomain]
-            this.domains.remove(this.editDomain)
-            this.activeDomain = ''
+
+            domains.splice(idx, 1)
+
             this.editDomain = ''
-            this.records.clear()
+            this.$store.records = []
+            this.$store.activeDomain = domains[0]
+            this.$refs.domain.mounted()
             this.save()
-            this.toggleDomain(this.domains[0])
           })
           .catch(noop)
       } else if (act === 'edit') {
         layer
-          .prompt(`请输入新的名字「${this.editDomain}」`, (val, done) => {
-            if (val === this.editDomain || HOST_DATA[val]) {
-              return
-            }
+          .prompt(
+            `请输入新的名字「${this.editDomain}」`,
+            this.editDomain,
+            (val, done) => {
+              if (val === this.editDomain || HOST_DATA[val]) {
+                return layer.toast(`${val} 域名没有变化, 或已经存在`)
+              }
 
-            if (
-              val === 'localhost' ||
-              val === 'local' ||
-              /^[\w.]+\.[a-z]+$/.test(val)
-            ) {
-              done()
-            } else {
-              layer.toast('域名格式错误', 'error')
+              if (
+                val === 'localhost' ||
+                val === 'local' ||
+                /^[\w.]+\.[a-z]+$/.test(val)
+              ) {
+                done()
+              } else {
+                layer.toast('域名格式错误', 'error')
+              }
             }
-          })
+          )
           .then(val => {
-            var idx = this.domains.indexOf(this.editDomain)
-            this.domains.set(idx, val)
+            domains[idx] = val
             HOST_DATA[val] = HOST_DATA[this.editDomain]
             delete HOST_DATA[this.editDomain]
-            this.activeDomain = ''
+
+            this.$store.activeDomain = val
             this.editDomain = ''
+            this.$refs.domain.mounted()
             this.save()
-            this.toggleDomain(val)
           })
           .catch(noop)
       }
@@ -214,7 +221,7 @@ class Home extends Component {
   save() {
     let { HOST_DATA, activeDomain, records } = this.$store
     if (activeDomain) {
-      HOST_DATA[activeDomain] = records
+      HOST_DATA[activeDomain] = records.filter(it => it.record && it.value)
     }
     saveHosts(HOST_DATA)
     layer.toast('保存成功', 'success')
@@ -226,20 +233,15 @@ class Home extends Component {
         ref="domain"
         @toggle-domain=${_ => (this.$refs.list.scrollTop = 0)}
         @show-menu=${ev => this.showMenu(ev.event)}
+        @save=${this.save}
       ></wc-sidebar>
 
       <main class="main noselect">
         <header class="toolbar">
-          <wc-button
-            size="m"
-            icon="plus"
-            type="primary"
-            @click=${this.addRecord}
+          <wc-button size="m" icon="plus" @click=${this.addRecord}
             >新增记录</wc-button
           >
-          <wc-button size="m" icon="fly" type="info" @click=${this.save}
-            >保存</wc-button
-          >
+          <wc-button size="m" icon="fly" @click=${this.save}>保存</wc-button>
         </header>
 
         <wc-records class="list" ref="list"></wc-records>
diff --git a/usr/lib/hosts-switch/webapp/components/sidebar.js b/usr/lib/hosts-switch/webapp/components/sidebar.js
index 97720a8..ba8654c 100644
--- a/usr/lib/hosts-switch/webapp/components/sidebar.js
+++ b/usr/lib/hosts-switch/webapp/components/sidebar.js
@@ -88,13 +88,13 @@ class Sidebar extends Component {
         }
       })
       .then(val => {
+        let { HOST_DATA, records } = this.$store
         this.$store.domains.push(val)
-        // HOST_DATA[val] = []
-        // if (!this.$store.activeDomain) {
-        //   this.toggleDomain(null, val)
-        // }
-        // this.save()
-        // this.$emit('save')
+        HOST_DATA[val] = []
+        if (!this.$store.activeDomain) {
+          this.toggleDomain(null, val)
+        }
+        this.$emit('save')
       })
       .catch(noop)
   }
diff --git a/usr/lib/hosts-switch/webapp/index.html b/usr/lib/hosts-switch/webapp/index.html
index e8ff471..7891349 100644
--- a/usr/lib/hosts-switch/webapp/index.html
+++ b/usr/lib/hosts-switch/webapp/index.html
@@ -20,12 +20,10 @@
       "imports":{
         "es.shim":"app:///lib/es.shim.js",
         "wkit":"app:///lib/wkit.js",
-        "wkit":"http://127.0.0.1:9999/src/index.js",
         "wkitd":"app:///lib/wkitd.js",
         "fetch":"app:///lib/fetch.js",
         "crypto":"app:///lib/crypto.js",
-        "ui/":"app:///lib/ui/",
-        "local/":"http://127.0.0.1:8090/dist/"
+        "ui/":"app:///lib/ui/"
       }
     }
   </script>
diff --git a/usr/lib/hosts-switch/webapp/utils/index.js b/usr/lib/hosts-switch/webapp/utils/index.js
index 3385014..0aa86b9 100644
--- a/usr/lib/hosts-switch/webapp/utils/index.js
+++ b/usr/lib/hosts-switch/webapp/utils/index.js
@@ -4,14 +4,14 @@
  * @date 2023/09/04 19:18:28
  */
 
+import { nextTick } from 'wkit'
+
 await native.init()
 
 const APP_CONFIG_DIR = `${native.env.CONFIG_DIR}/hosts-switch`
 const HOST_FILE = `${APP_CONFIG_DIR}/host.cache`
 const LOCK_FILE = `${APP_CONFIG_DIR}/lock`
 
-let timer
-
 export function noop() {}
 
 export function checkPermission() {
@@ -74,8 +74,7 @@ export async function getHistory() {
 }
 
 export function saveHosts(dict) {
-  clearTimeout(timer)
-  timer = setTimeout(() => {
+  nextTick(async () => {
     var txt = ''
     for (let k in dict) {
       for (let it of dict[k]) {
@@ -89,8 +88,12 @@ export function saveHosts(dict) {
       }
       txt += '\n'
     }
-    console.log(txt)
-    // native.fs.write(HOST_FILE, JSON.stringify(dict))
-    // native.fs.write('/etc/hosts', txt)
-  }, 500)
+
+    try {
+      await native.fs.write(HOST_FILE, JSON.stringify(dict))
+      await native.fs.write('/etc/hosts', txt)
+    } catch (err) {
+      layer.alert(err)
+    }
+  })
 }