diff --git a/src-tauri/src/adb.rs b/src-tauri/src/adb.rs
index 8e9edc0..5d9a6d9 100644
--- a/src-tauri/src/adb.rs
+++ b/src-tauri/src/adb.rs
@@ -58,32 +58,6 @@ impl Device {
             .spawn()
             .context("Failed to execute 'adb shell'")?)
     }
-
-    pub fn cmd_screen_size(res_dir: &PathBuf, id: &str) -> Result<(u16, u16)> {
-        let mut adb_command = Adb::cmd_base(res_dir);
-        let output = adb_command
-            .args(&["-s", id, "shell", "wm", "size"])
-            .output()
-            .context("Failed to execute 'adb shell wm size'")?;
-        let lines = output.stdout.lines();
-        let mut size = (0, 0);
-        for line in lines {
-            if let std::result::Result::Ok(s) = line {
-                println!("{}", s);
-                if s.starts_with("Physical size:") {
-                    let mut iter = s.split_whitespace();
-                    iter.next();
-                    iter.next();
-                    let mut size_str = iter.next().unwrap().split('x');
-                    let width = size_str.next().unwrap().parse::<u16>().unwrap();
-                    let height = size_str.next().unwrap().parse::<u16>().unwrap();
-                    size = (width, height);
-                    break;
-                }
-            }
-        }
-        Ok(size)
-    }
 }
 
 pub struct Adb;
diff --git a/src-tauri/src/client.rs b/src-tauri/src/client.rs
index 0f8f521..27a0ba2 100644
--- a/src-tauri/src/client.rs
+++ b/src-tauri/src/client.rs
@@ -40,11 +40,6 @@ impl ScrcpyClient {
         Adb::cmd_forward_remove(res_dir)
     }
 
-    /// get the screen size of the device
-    pub fn get_screen_size(res_dir: &PathBuf, id: &str) -> Result<(u16, u16)> {
-        Device::cmd_screen_size(res_dir, id)
-    }
-
     /// push server file to current device
     pub fn push_server_file(res_dir: &PathBuf, id: &str) -> Result<()> {
         let info = Device::cmd_push(
diff --git a/src-tauri/src/main.rs b/src-tauri/src/main.rs
index c3fb2a3..97d9a5a 100644
--- a/src-tauri/src/main.rs
+++ b/src-tauri/src/main.rs
@@ -20,16 +20,6 @@ fn adb_devices(app: tauri::AppHandle) -> Result<Vec<Device>, String> {
     }
 }
 
-#[tauri::command]
-/// get screen size of the device
-fn get_screen_size(id: String, app: tauri::AppHandle) -> Result<(u16, u16), String> {
-    let dir = app.path().resource_dir().unwrap().join("resource");
-    match ScrcpyClient::get_screen_size(&dir, &id) {
-        Ok(size) => Ok(size),
-        Err(e) => Err(e.to_string()),
-    }
-}
-
 #[tauri::command]
 /// forward local port to the device port
 fn forward_server_port(
@@ -170,7 +160,6 @@ async fn main() {
         .plugin(tauri_plugin_os::init())
         .invoke_handler(tauri::generate_handler![
             adb_devices,
-            get_screen_size,
             forward_server_port,
             push_server_file,
             start_scrcpy_server
diff --git a/src/components/Device.vue b/src/components/Device.vue
index b03d4bd..8b2276c 100644
--- a/src/components/Device.vue
+++ b/src/components/Device.vue
@@ -15,7 +15,6 @@ import {
   pushServerFile,
   forwardServerPort,
   startScrcpyServer,
-  getScreenSize,
 } from "../invoke";
 import {
   NH4,
@@ -26,11 +25,13 @@ import {
   NEmpty,
   NTooltip,
   NFlex,
+  NFormItem,
   NIcon,
   NSpin,
   DataTableColumns,
   DropdownOption,
   useDialog,
+  useMessage,
 } from "naive-ui";
 import { CloseCircle, InformationCircle } from "@vicons/ionicons5";
 import { Refresh } from "@vicons/ionicons5";
@@ -40,6 +41,7 @@ import { useGlobalStore } from "../store/global";
 
 const dialog = useDialog();
 const store = useGlobalStore();
+const message = useMessage();
 
 const port = ref(27183);
 
@@ -168,14 +170,21 @@ async function onMenuSelect(key: string) {
       if (!port.value) {
         port.value = 27183;
       }
+
+      if (!(store.screenSizeW > 0) || !(store.screenSizeH > 0)) {
+        message.error("请正确输入当前控制设备的屏幕尺寸");
+        store.screenSizeW = 0;
+        store.screenSizeH = 0;
+        store.hideLoading();
+        return;
+      }
+
       let device = devices.value[rowIndex];
 
       let scid = (
         "00000000" + Math.floor(Math.random() * 100000).toString(16)
       ).slice(-8);
 
-      let screenSize = await getScreenSize(device.id);
-
       await pushServerFile(device.id);
       await forwardServerPort(device.id, scid, port.value);
       await startScrcpyServer(device.id, scid, `127.0.0.1:${port.value}`);
@@ -186,7 +195,6 @@ async function onMenuSelect(key: string) {
           scid,
           deviceName,
           device,
-          screenSize,
         };
         nextTick(() => {
           store.hideLoading();
@@ -202,13 +210,6 @@ async function refreshDevices() {
   devices.value = await adbDevices();
   store.hideLoading();
 }
-
-const screenSizeInfo = computed(() => {
-  if (store.controledDevice) {
-    return `${store.controledDevice.screenSize[0]} x ${store.controledDevice.screenSize[1]}`;
-  }
-  return "";
-});
 </script>
 
 <template>
@@ -222,6 +223,28 @@ const screenSizeInfo = computed(() => {
         :max="49151"
         style="max-width: 300px"
       />
+      <NH4 prefix="bar">屏幕尺寸</NH4>
+      <NFlex justify="left" align="center">
+        <NFormItem label="宽度">
+          <NInputNumber
+            v-model:value="store.screenSizeW"
+            placeholder="屏幕宽度"
+            :min="0"
+            :disabled="store.controledDevice !== null"
+          />
+        </NFormItem>
+        <NFormItem label="高度">
+          <NInputNumber
+            v-model:value="store.screenSizeH"
+            placeholder="屏幕高度"
+            :min="0"
+            :disabled="store.controledDevice !== null"
+          />
+        </NFormItem>
+      </NFlex>
+      <NP
+        >提示：请正确输入当前控制设备的屏幕尺寸，这是成功发送触摸事件的必要参数</NP
+      >
       <NH4 prefix="bar">受控设备</NH4>
       <div class="controled-device-list">
         <NEmpty
@@ -246,7 +269,6 @@ const screenSizeInfo = computed(() => {
               </template>
               scid: {{ store.controledDevice.scid }} <br />status:
               {{ store.controledDevice.device.status }} <br />screen:
-              {{ screenSizeInfo }}
             </NTooltip>
             <NButton quaternary circle type="error" @click="shutdownSC()">
               <template #icon>
diff --git a/src/components/Mask.vue b/src/components/Mask.vue
index 1cf9f62..f2e7cc7 100644
--- a/src/components/Mask.vue
+++ b/src/components/Mask.vue
@@ -3,11 +3,7 @@ import { onActivated, ref } from "vue";
 import { NDialog } from "naive-ui";
 import { useGlobalStore } from "../store/global";
 import { onBeforeRouteLeave, useRouter } from "vue-router";
-import {
-  initShortcuts,
-  listenToKeyEvent,
-  unlistenToKeyEvent,
-} from "../hotkey";
+import { initShortcuts, listenToKeyEvent, unlistenToKeyEvent } from "../hotkey";
 
 const maskRef = ref<HTMLElement | null>(null);
 
@@ -33,7 +29,7 @@ onActivated(async () => {
   }
   if (store.controledDevice) {
     if (maskRef.value) {
-      initShortcuts(store.controledDevice.screenSize, maskRef.value);
+      initShortcuts([store.screenSizeW, store.screenSizeH], maskRef.value);
       listenToKeyEvent();
       isShortcutInited = true;
     }
diff --git a/src/hotkey.ts b/src/hotkey.ts
index b8ab4c7..0b10c73 100644
--- a/src/hotkey.ts
+++ b/src/hotkey.ts
@@ -6,6 +6,8 @@ import {
   touch,
 } from "./frontcommand/scrcpyMaskCmd";
 
+
+// TODO 根据当前蒙版的尺寸换算屏幕尺寸
 function clientxToPosx(clientx: number) {
   return clientx < 70 ? 0 : Math.floor(clientx - 70);
 }
diff --git a/src/invoke.ts b/src/invoke.ts
index 0fed25e..bdea289 100644
--- a/src/invoke.ts
+++ b/src/invoke.ts
@@ -9,10 +9,6 @@ export async function adbDevices(): Promise<Device[]> {
   return await invoke("adb_devices");
 }
 
-export async function getScreenSize(id: string): Promise<[number, number]> {
-  return await invoke("get_screen_size", { id });
-}
-
 export async function forwardServerPort(
   id: string,
   scid: string,
diff --git a/src/store/global.ts b/src/store/global.ts
index 7af0684..82960d3 100644
--- a/src/store/global.ts
+++ b/src/store/global.ts
@@ -15,15 +15,19 @@ export const useGlobalStore = defineStore("counter", () => {
     scid: string;
     deviceName: string;
     device: Device;
-    screenSize: [number, number];
   }
 
-  const controledDevice: Ref<ControledDevice|null> = ref(null);
+  const screenSizeW: Ref<number> = ref(1280);
+  const screenSizeH: Ref<number> = ref(720);
+
+  const controledDevice: Ref<ControledDevice | null> = ref(null);
 
   return {
     showLoading,
     hideLoading,
     showLoadingRef,
     controledDevice,
+    screenSizeW,
+    screenSizeH,
   };
 });