diff --git a/package.json b/package.json
index 85d3ff7..42db299 100644
--- a/package.json
+++ b/package.json
@@ -43,6 +43,7 @@
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-promise": "^6.4.0",
     "eslint-plugin-vue": "^9.27.0",
+    "less": "^4.2.0",
     "naive-ui": "^2.39.0",
     "postcss": "^8.4.45",
     "prettier": "^3.3.3",
diff --git a/src/App.vue b/src/App.vue
index ce1457e..d6b21d0 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -49,9 +49,9 @@
 </template>
 
 <script setup>
-import { computed } from 'vue'
-import hljs from 'highlight.js/lib/core'
-import ini from 'highlight.js/lib/languages/ini'
+import { computed } from "vue";
+import hljs from "highlight.js/lib/core";
+import ini from "highlight.js/lib/languages/ini";
 
 import {
   darkTheme,
@@ -63,14 +63,78 @@ import {
   NMessageProvider,
   NNotificationProvider,
   useOsTheme,
-  zhCN
-} from 'naive-ui'
+  zhCN,
+} from "naive-ui";
 // import Lottie from "./components/Lottie.vue";
-import DefaultLayout from './layouts/DefaultLayout.vue'
-import { useUserStore } from './stores/user'
+import DefaultLayout from "./layouts/DefaultLayout.vue";
+import { useUserStore } from "./stores/user";
+import { useAppStore } from "./stores/app";
 
-const osThemeRef = useOsTheme()
-const theme = computed(() => (osThemeRef.value === 'dark' ? darkTheme : null))
+const appStore = useAppStore();
+const osThemeRef = useOsTheme();
+
+let switched = false;
+
+const theme = computed(() => {
+  if (switched && document.startViewTransition) {
+    switch_appearance_with_transitions(osThemeRef.value);
+  }
+
+  switched = true;
+
+  if (osThemeRef.value === "dark") {
+    document.documentElement.setAttribute("theme", "dark");
+    return darkTheme;
+  } else {
+    document.documentElement.setAttribute("theme", "light");
+    return null;
+  }
+});
+
+// 这个函数是点击事件的回调函数，带有参数 event
+const switch_appearance_with_transitions = (toColor) => {
+  const transition = document.startViewTransition(() => {});
+
+  // 获取点击位置，作为圆心，根据页面大小计算半径
+  let x = appStore.headerCenterLogoPosition.x;
+  let y = appStore.headerCenterLogoPosition.y;
+
+  if (toColor === "dark") {
+    // 获取可视区域的宽高
+    const innerWidth = window.innerWidth;
+    const innerHeight = window.innerHeight;
+
+    x = innerWidth / 2;
+    y = innerHeight - 1;
+  }
+
+  console.log(x, y);
+  const endRadius = Math.hypot(
+    Math.max(x, innerWidth - x),
+    Math.max(y, innerHeight - y)
+  );
+
+  // 等待伪元素创建完成：
+  transition.ready.then(() => {
+    // 新视图的根元素动画：构造一个圆形作为裁切，并且半径会从0开始放大到endRadius
+    document.documentElement.animate(
+      {
+        clipPath: [
+          `circle(0 at ${x}px ${y}px)`,
+          `circle(${endRadius}px at ${x}px ${y}px)`,
+        ],
+      },
+      {
+        duration: 500,
+        easing: "ease-in",
+        // 指定要附加动画的伪元素
+        pseudoElement: "::view-transition-new(root)",
+      }
+    );
+  });
+};
+
+// watch theme change
 
 // const load_step = ref(1)
 //
@@ -87,7 +151,7 @@ const theme = computed(() => (osThemeRef.value === 'dark' ? darkTheme : null))
 //   load_step.value = 2
 // }
 
-hljs.registerLanguage('ini', ini)
+hljs.registerLanguage("ini", ini);
 
 // 主题调整
 /**
@@ -109,13 +173,10 @@ const themeOverrides = {
   common: {
     fontFamily: "Noto Sans SC, sans-serif",
     fontFamilyMono: "JetBrains Mono, monospace",
-  }
-}
-
-
+  },
+};
 
 // UserStore
 const userStore = useUserStore();
 userStore.setupTimer();
-
 </script>
diff --git a/src/layouts/Header.vue b/src/layouts/Header.vue
index a00562a..2f60772 100644
--- a/src/layouts/Header.vue
+++ b/src/layouts/Header.vue
@@ -37,6 +37,7 @@
           <div
             @click="showDrawer = true"
             class="cursor-pointer ml-3 flex justify-center items-center"
+            ref="leftMenu"
           >
             <n-icon size="24">
               <menu-outline />
@@ -61,6 +62,7 @@
               <img
                 :src="leaflowpng"
                 class="w-8 cursor-pointer block select-none"
+                ref="centerLogo"
                 @click="toggleHomeChat"
               />
             </div>
@@ -76,18 +78,14 @@
           </div>
         </n-grid-item>
 
-        <n-grid-item  class="flex items-center justify-end mr-1.5">
+        <n-grid-item class="flex items-center justify-end mr-1.5">
           <!-- 右侧 -->
 
-          <div v-if="userStore.logined"
-          class="flex items-center">
+          <div v-if="userStore.logined" class="flex items-center">
             <!-- 新对话 -->
             <n-tooltip trigger="hover">
               <template #trigger>
-                <n-icon
-                  class="text-2xl mr-4 cursor-pointer"
-                  @click="newChat"
-                >
+                <n-icon class="text-2xl mr-4 cursor-pointer" @click="newChat">
                   <AddOutline />
                 </n-icon>
               </template>
@@ -216,8 +214,10 @@ import leaflowpng from "@/assets/images/leaflow.png";
 import { useChatStore } from "@/stores/chat";
 import groupPng from "@/assets/images/group.png";
 import config from "@/config/config";
+import { useAppStore } from "@/stores/app";
 
 const userStore = useUserStore();
+const appStore = useAppStore();
 const chatStore = useChatStore();
 const isMobile = useIsMobile();
 const showDrawer = ref(false);
@@ -253,4 +253,40 @@ const newChat = () => {
 const gotoLogin = () => {
   router.push("/auth/login");
 };
+
+const leftMenu = ref();
+const centerLogo = ref();
+
+const setCirclePosition = () => {
+  if (isMobile.value) {
+    // 获取 leftMenu 的位置
+    const leftMenuRect = leftMenu.value.getBoundingClientRect();
+
+    // 计算元素的正中心
+    const centerX = leftMenuRect.x + leftMenuRect.width / 2;
+    const centerY = leftMenuRect.y + leftMenuRect.height / 2;
+
+    appStore.headerCenterLogoPosition.x = centerX;
+    appStore.headerCenterLogoPosition.y = centerY;
+  } else {
+    // 获取 centerLogo 的位置
+    const centerLogoRect = centerLogo.value.getBoundingClientRect();
+
+    // 计算元素的正中心
+    const centerX = centerLogoRect.x + centerLogoRect.width / 2;
+    const centerY = centerLogoRect.y + centerLogoRect.height / 2;
+    appStore.headerCenterLogoPosition.x = centerX;
+    appStore.headerCenterLogoPosition.y = centerY;
+  }
+};
+
+onMounted(() => {
+  setCirclePosition();
+});
+
+window.addEventListener("resize", setCirclePosition);
+
+onUnmounted(() => {
+  window.removeEventListener("resize", setCirclePosition);
+});
 </script>
diff --git a/src/main.ts b/src/main.ts
index e0a3b8f..e0c3d26 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -2,7 +2,8 @@ const meta = document.createElement("meta");
 meta.name = "naive-ui-style";
 document.head.appendChild(meta);
 
-import "./style.css";
+import "./styles/style.css";
+import "./styles/color.less";
 import "animate.css";
 import { registerPlugins } from "./plugins";
 import router from "./router";
diff --git a/src/stores/app.ts b/src/stores/app.ts
index 0f3e936..78e493f 100644
--- a/src/stores/app.ts
+++ b/src/stores/app.ts
@@ -9,5 +9,9 @@ export const useAppStore = defineStore("app", {
     contentScrollPosition: 0,
     contentScrollOnBottom: false,
     contentScrollable: false,
+    headerCenterLogoPosition: {
+      x: 0,
+      y: 0,
+    }
   }),
 });
diff --git a/src/styles/color.less b/src/styles/color.less
new file mode 100644
index 0000000..ad305a4
--- /dev/null
+++ b/src/styles/color.less
@@ -0,0 +1,82 @@
+// // light-dark-8deg-animation
+// @keyframes light-to-dark {
+//   from {
+//     clip-path: polygon(
+//       0 0,
+//       0 0,
+//       calc(tan(8deg) * -100vh) 100%,
+//       calc(tan(8deg) * -100vh) 100%
+//     );
+//   }
+
+//   to {
+//     clip-path: polygon(
+//       0 0,
+//       calc((tan(8deg) * 100vh) + 100%) 0,
+//       100% 100%,
+//       calc(tan(8deg) * -100vh) 100%
+//     );
+//   }
+// }
+
+// @keyframes dark-to-light {
+//   from {
+//     clip-path: polygon(
+//       calc((tan(8deg) * 100vh) + 100%) 0,
+//       calc((tan(8deg) * 100vh) + 100%) 0,
+//       100% 100%,
+//       100% 100%
+//     );
+//   }
+
+//   to {
+//     clip-path: polygon(
+//       0 0,
+//       calc((tan(8deg) * 100vh) + 100%) 0,
+//       100% 100%,
+//       calc(tan(8deg) * -100vh) 100%
+//     );
+//   }
+// }
+
+// :root::view-transition-group(root) {
+//   animation-duration: 1s;
+// }
+
+// :root::view-transition-new(root),
+// :root::view-transition-old(root) {
+//   mix-blend-mode: normal;
+// }
+
+// :root::view-transition-old(root),
+// :root[theme="dark"]::view-transition-old(root) {
+//   animation: none;
+// }
+
+// :root::view-transition-new(root) {
+//   animation-name: dark-to-light;
+// }
+
+// :root[theme="dark"]::view-transition-new(root) {
+//   animation-name: light-to-dark;
+// }
+
+::view-transition-old(root),
+::view-transition-new(root) {
+  animation: none;
+  mix-blend-mode: normal;
+}
+
+:root[theme="dark"]::view-transition-old(root) {
+  z-index: 1;
+}
+:root[theme="light"]::view-transition-new(root) {
+  z-index: 999;
+}
+
+::view-transition-old(root) {
+  z-index: 999;
+}
+::view-transition-new(root) {
+  z-index: 1;
+}
diff --git a/src/style.css b/src/styles/style.css
similarity index 97%
rename from src/style.css
rename to src/styles/style.css
index 57cce0c..b68af2f 100644
--- a/src/style.css
+++ b/src/styles/style.css
@@ -1,5 +1,5 @@
 @import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@100..900&display=swap");
-@import "styles/github-markdown.css";
+@import "github-markdown.css";
 @tailwind base;
 @tailwind components;
 @tailwind utilities;