diff --git a/.inscode b/.inscode
index 70c7853df0c162981ebd7cf119d909c807920531..9fec9576d482baaf90d2f47230ce9133cfce99d4 100644
--- a/.inscode
+++ b/.inscode
@@ -1,4 +1,5 @@
 run = "npm i && npm run dev"
+language = "node"
 
 [deployment]
 build = "npm i && npm run build"
@@ -8,3 +9,6 @@ run = "npm run preview"
 PATH = "/root/${PROJECT_DIR}/.config/npm/node_global/bin:/root/${PROJECT_DIR}/node_modules/.bin:${PATH}"
 XDG_CONFIG_HOME = "/root/.config"
 npm_config_prefix = "/root/${PROJECT_DIR}/.config/npm/node_global"
+
+[debugger]
+program = "main.js"
diff --git a/src/App.vue b/src/App.vue
index 633a5dfe4e547c48bfa93740a290ba5ba370930a..b4e42813f08ccee6544599f553e0641f1d574401 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,47 +1,23 @@
 <script setup>
-import HelloWorld from './components/HelloWorld.vue'
-import TheWelcome from './components/TheWelcome.vue'
-</script>
+import { ref } from 'vue';
+      let num=ref(9);
 
-<template>
-  <header>
-    <img alt="Vue logo" class="logo" src="./assets/logo.svg" width="125" height="125" />
+      let incre=function(){
+        num.value++;
+      }
+      let decre=function(){
+        num.value--;
+      }
 
-    <div class="wrapper">
-      <HelloWorld msg="You did it!" />
-    </div>
-  </header>
+</script>
 
-  <main>
-    <TheWelcome />
-  </main>
+<template>
+      <div>
+        <button @click="incre">+</button>
+        <span>{{ num }}</span><!--插值表达式-->
+        <button @click="decre">-</button>
+      </div>
 </template>
 
 <style scoped>
-header {
-  line-height: 1.5;
-}
-
-.logo {
-  display: block;
-  margin: 0 auto 2rem;
-}
-
-@media (min-width: 1024px) {
-  header {
-    display: flex;
-    place-items: center;
-    padding-right: calc(var(--section-gap) / 2);
-  }
-
-  .logo {
-    margin: 0 2rem 0 0;
-  }
-
-  header .wrapper {
-    display: flex;
-    place-items: flex-start;
-    flex-wrap: wrap;
-  }
-}
 </style>
diff --git a/src/main.js b/src/main.js
index 90e6400b4d8ad8aba0c1caa53874eb4b81380648..16f620234165cac03325e28711fd526fc9667266 100644
--- a/src/main.js
+++ b/src/main.js
@@ -1,6 +1,6 @@
 import { createApp } from 'vue'
 import App from './App.vue'
-
+import './style.css'
 import './assets/main.css'
 
 createApp(App).mount('#app')
diff --git a/src/style.css b/src/style.css
new file mode 100644
index 0000000000000000000000000000000000000000..84a005078026c4278665416af9b7522f632c697a
--- /dev/null
+++ b/src/style.css
@@ -0,0 +1,89 @@
+:root {
+  font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
+  line-height: 1.5;
+  font-weight: 400;
+
+  color-scheme: light dark;
+  color: rgba(255, 255, 255, 0.87);
+  background-color: #242424;
+
+  font-synthesis: none;
+  text-rendering: optimizeLegibility;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+  -webkit-text-size-adjust: 100%;
+}
+
+a {
+  font-weight: 500;
+  color: #646cff;
+  text-decoration: inherit;
+}
+a:hover {
+  color: #535bf2;
+}
+
+a {
+  font-weight: 500;
+  color: #646cff;
+  text-decoration: inherit;
+}
+a:hover {
+  color: #535bf2;
+}
+
+body {
+  margin: 0;
+  display: flex;
+  place-items: center;
+  min-width: 320px;
+  min-height: 100vh;
+}
+
+h1 {
+  font-size: 3.2em;
+  line-height: 1.1;
+}
+
+button {
+  border-radius: 8px;
+  border: 1px solid transparent;
+  padding: 0.6em 1.2em;
+  font-size: 1em;
+  font-weight: 500;
+  font-family: inherit;
+  background-color: #1a1a1a;
+  cursor: pointer;
+  transition: border-color 0.25s;
+}
+button:hover {
+  border-color: #646cff;
+}
+button:focus,
+button:focus-visible {
+  outline: 4px auto -webkit-focus-ring-color;
+}
+
+.card {
+  padding: 2em;
+}
+
+#app {
+  max-width: 1280px;
+  margin: 0 auto;
+  padding: 2rem;
+  text-align: center;
+}
+
+@media (prefers-color-scheme: light) {
+  :root {
+    color: #213547;
+    background-color: #ffffff;
+  }
+  a:hover {
+    color: #747bff;
+  }
+  button {
+    background-color: #f9f9f9;
+  }
+}