diff --git a/main.js b/main.js
index ab771de..3d24d27 100644
--- a/main.js
+++ b/main.js
@@ -2,19 +2,48 @@
 
 storage = storages.create("mower-ng helper");
 
-wx = storage.get("wx", 10);
-wy = storage.get("wy", 10);
-http_proto = storage.get("http_proto", "http");
-host = storage.get("host", "127.0.0.1");
-port = storage.get("port", "58000");
+const config_items = {
+  wx: 10,
+  wy: 10,
+  http_proto: "http",
+  host: "127.0.0.1",
+  port: "58000",
+  auto_close: false,
+};
+
+config = {};
+
+Object.entries(config_items).forEach(([key, value]) => {
+  config[key + "_"] = storage.get(key, value);
+  Object.defineProperty(config, key, {
+    get() {
+      return this[key + "_"];
+    },
+    set(new_value) {
+      this[key + "_"] = new_value;
+      storage.put(key, new_value);
+    },
+  });
+});
+Object.defineProperties(config, {
+  scheduler_url: {
+    get() {
+      return `${this.http_proto}://${this.host}:${this.port}/scheduler`;
+    },
+  },
+  ws_url: {
+    get() {
+      ws_proto = this.http_proto == "https" ? "wss" : "ws";
+      return `${ws_proto}://${this.host}:${this.port}/ws`;
+    },
+  },
+});
 
 function save_config() {
-  http_proto = ui.proto.getText();
-  host = ui.host.getText();
-  port = ui.port.getText();
-  storage.put("http_proto", http_proto);
-  storage.put("host", host);
-  storage.put("port", port);
+  config.http_proto = ui.proto.getText();
+  config.host = ui.host.getText();
+  config.port = ui.port.getText();
+  config.auto_close = ui.auto_close.isChecked();
 }
 
 w = null;
@@ -25,7 +54,7 @@ ui.layout(
       <img id="logo" w="64" h="64" src="file://logo.png" />
       <vertical marginLeft="8">
         <text text="mower-ng helper" textColor="black" textSize="22sp" />
-        <text text="v1.1.0" />
+        <text text="v1.2.0" />
       </vertical>
     </horizontal>
     <horizontal gravity="center">
@@ -40,16 +69,20 @@ ui.layout(
       <text text="port" w="40" />
       <input id="port" text="58000" w="200" />
     </horizontal>
-    <horizontal gravity="center" margin="0 6 0 0">
-      <button w="130" id="start" text="开启悬浮窗" />
-      <button w="130" id="stop" text="关闭悬浮窗" />
+    <horizontal gravity="left" w="255" margin="0 6 0 6">
+      <checkbox id="auto_close" text="任务开始后，自动关闭悬浮窗" />
+    </horizontal>
+    <horizontal gravity="center">
+      <button w="125" id="start" text="开启悬浮窗" />
+      <button w="125" id="stop" text="关闭悬浮窗" />
     </horizontal>
   </vertical>
 );
 
-ui.proto.setText(http_proto);
-ui.host.setText(host);
-ui.port.setText(port);
+ui.proto.setText(config.http_proto);
+ui.host.setText(config.host);
+ui.port.setText(config.port);
+ui.auto_close.setChecked(config.auto_close);
 
 function toggle_ui(running) {
   group_waiting = [ui.proto, ui.host, ui.port, ui.start];
@@ -72,7 +105,6 @@ function toggle_ui(running) {
 toggle_ui(false);
 
 ws = null;
-ws_proto = http_proto == "https" ? "wss" : "ws";
 reg = /^[0-9].*/;
 log = [];
 
@@ -109,9 +141,7 @@ function time_diff(diff) {
 
 function update_tasks() {
   if (w) {
-    request = new Request.Builder()
-      .url(`${http_proto}://${host}:${port}/scheduler`)
-      .build();
+    request = new Request.Builder().url(config.scheduler_url).build();
     response = client.newCall(request).execute();
     scheduler = JSON.parse(response.body().string());
     setTimeout(update_tasks, 5000);
@@ -130,6 +160,7 @@ function stop_floaty() {
     w.close();
     w = null;
   }
+  scheduler = { idle: false, next_time: null };
   stop_ws();
   clearInterval(w_timer);
   toggle_ui(false);
@@ -190,7 +221,7 @@ ui.start.click(() => {
   );
 
   w.setSize(-2, -2);
-  w.setPosition(wx, wy);
+  w.setPosition(config.wx, config.wy);
 
   w.container.setOnTouchListener((view, event) => {
     switch (event.getAction()) {
@@ -201,13 +232,11 @@ ui.start.click(() => {
       case event.ACTION_MOVE:
         dx = event.getRawX() - X;
         dy = event.getRawY() - Y;
-        w.setPosition(wx + dx, wy + dy);
+        w.setPosition(config.wx + dx, config.wy + dy);
         return true;
       case event.ACTION_UP:
-        wx += dx;
-        wy += dy;
-        storage.put("wx", wx);
-        storage.put("wy", wy);
+        config.wx += dx;
+        config.wy += dy;
         return true;
     }
   });
@@ -220,9 +249,7 @@ ui.start.click(() => {
         stop_ws();
         return;
       }
-      request = new Request.Builder()
-        .url(`${ws_proto}://${host}:${port}/ws`)
-        .build();
+      request = new Request.Builder().url(config.ws_url).build();
       ws = client.newWebSocket(
         request,
         new okhttp3.WebSocketListener({
@@ -260,6 +287,10 @@ ui.start.click(() => {
       next_time = no_time;
       remain_time = no_time;
     }
+    if (config.auto_close && remain_time == no_time) {
+      stop_floaty();
+      return;
+    }
     ui.run(() => {
       w.next.setText(`下次任务：${next_time}`);
       w.remain.setText(`剩余时间：${remain_time}`);
@@ -267,7 +298,14 @@ ui.start.click(() => {
   }, 1000);
 
   threads.start(() => {
-    update_tasks();
+    try {
+      update_tasks();
+    } catch {
+      ui.run(() => {
+        stop_floaty();
+        alert("网络连接错误", "请检查设置填写是否正确！");
+      });
+    }
   });
 });
 
diff --git a/project.json b/project.json
index b841139..10448de 100644
--- a/project.json
+++ b/project.json
@@ -16,5 +16,5 @@
   "packageName": "vip.zhaozuohong.mowernghelper",
   "scripts": {},
   "versionCode": 2,
-  "versionName": "1.1.0"
+  "versionName": "1.2.0"
 }