diff --git a/package.json b/package.json
index b75c60a..54dce3e 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "frpilot",
   "private": true,
-  "version": "1.0.0",
+  "version": "0.9.0",
   "type": "module",
   "scripts": {
     "dev": "vite",
diff --git a/src/assets/images/app-icon.webp b/src/assets/images/app-icon.webp
new file mode 100644
index 0000000..8523a31
Binary files /dev/null and b/src/assets/images/app-icon.webp differ
diff --git a/src/assets/main.css b/src/assets/main.css
index e14c6bd..1542499 100644
--- a/src/assets/main.css
+++ b/src/assets/main.css
@@ -112,7 +112,7 @@ body {
 .glass-panel {
   border-radius: 16px;
   border: 1px solid rgba(255, 255, 255, 0.55);
-  background: rgba(255, 255, 255, 0.35);
+  background: rgba(255, 255, 255, 0.45);
   backdrop-filter: blur(18px) saturate(160%);
   -webkit-backdrop-filter: blur(18px) saturate(160%);
   box-shadow: 0 8px 32px rgba(15, 23, 42, 0.12);
@@ -120,7 +120,7 @@ body {
 
 .dark .glass-panel {
   border-color: rgba(255, 255, 255, 0.08);
-  background: rgba(15, 23, 42, 0.55);
+  background: rgba(15, 23, 42, 0.45);
   box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
 }
 
@@ -131,7 +131,7 @@ body {
  */
 .glass-card.ant-card {
   border: 1px solid rgba(255, 255, 255, 0.5) !important;
-  background: rgba(255, 255, 255, 0.5) !important;
+  background: rgba(255, 255, 255, 0.45) !important;
   backdrop-filter: blur(16px) saturate(160%);
   -webkit-backdrop-filter: blur(16px) saturate(160%);
   box-shadow: 0 6px 22px rgba(15, 23, 42, 0.08) !important;
diff --git a/src/components/TitleBarActions.vue b/src/components/TitleBarActions.vue
index fc47811..20ff203 100644
--- a/src/components/TitleBarActions.vue
+++ b/src/components/TitleBarActions.vue
@@ -2,22 +2,14 @@
   <div class="flex items-center gap-1">
     <!-- 语言切换 -->
     <a-dropdown placement="bottomRight" trigger="click">
-      <a-button
-        type="text"
-        class="tb-btn"
-        :title="t('titlebar.language')"
-      >
-        <template #icon><TranslationOutlined /></template>
+      <a-button type="text" class="tb-btn" :title="t('titlebar.language')">
+        <template #icon>
+          <TranslationOutlined />
+        </template>
       </a-button>
       <template #overlay>
-        <a-menu
-          :selected-keys="[appStore.language]"
-          @click="onLanguageClick"
-        >
-          <a-menu-item
-            v-for="item in languageOptions"
-            :key="item.key"
-          >
+        <a-menu :selected-keys="[appStore.language]" @click="onLanguageClick">
+          <a-menu-item v-for="item in languageOptions" :key="item.key">
             {{ item.label }}
           </a-menu-item>
         </a-menu>
@@ -25,69 +17,50 @@
     </a-dropdown>
 
     <!-- 明暗切换 -->
-    <a-button
-      type="text"
-      class="tb-btn"
-      :title="appStore.isDark ? t('titlebar.lightMode') : t('titlebar.darkMode')"
-      @click="appStore.toggleDark()"
-    >
+    <a-button type="text" class="tb-btn" :title="appStore.isDark ? t('titlebar.lightMode') : t('titlebar.darkMode')"
+      @click="appStore.toggleDark()">
       <template #icon>
         <BulbFilled v-if="appStore.isDark" />
         <BulbOutlined v-else />
       </template>
     </a-button>
 
-    <!-- 检查更新 -->
-    <a-button
-      type="text"
-      class="tb-btn"
-      :title="t('titlebar.checkUpdate')"
-      :loading="updateStore.checking"
-      @click="onCheckUpdate"
-    >
-      <template #icon><CloudSyncOutlined /></template>
-    </a-button>
+    <!-- 检查更新（有新版本时显示圆点徽标） -->
+    <a-badge :dot="updateStore.hasUpdate">
+      <a-button type="text" class="tb-btn" :title="t('titlebar.checkUpdate')" :loading="updateStore.checking"
+        @click="onCheckUpdate">
+        <template #icon>
+          <CloudSyncOutlined />
+        </template>
+      </a-button>
+    </a-badge>
 
     <!-- GitHub -->
-    <a-button
-      type="text"
-      class="tb-btn"
-      :title="t('titlebar.github')"
-      @click="onOpenGithub"
-    >
-      <template #icon><GithubOutlined /></template>
+    <a-button type="text" class="tb-btn" :title="t('titlebar.github')" @click="onOpenGithub">
+      <template #icon>
+        <GithubOutlined />
+      </template>
     </a-button>
 
     <!-- 设置 -->
-    <a-button
-      type="text"
-      class="tb-btn"
-      :title="t('titlebar.settings')"
-      @click="emit('settings')"
-    >
-      <template #icon><SettingOutlined /></template>
+    <a-button type="text" class="tb-btn" :title="t('titlebar.settings')" @click="emit('settings')">
+      <template #icon>
+        <SettingOutlined />
+      </template>
     </a-button>
 
     <!-- 最小化（macOS 由左侧红绿灯负责，此处隐藏） -->
-    <a-button
-      v-if="!isMac"
-      type="text"
-      class="tb-btn"
-      :title="t('titlebar.minimize')"
-      @click="minimizeWindow()"
-    >
-      <template #icon><MinusOutlined /></template>
+    <a-button v-if="!isMac" type="text" class="tb-btn" :title="t('titlebar.minimize')" @click="minimizeWindow()">
+      <template #icon>
+        <MinusOutlined />
+      </template>
     </a-button>
 
     <!-- 关闭（macOS 由左侧红绿灯负责，此处隐藏） -->
-    <a-button
-      v-if="!isMac"
-      type="text"
-      class="tb-btn tb-btn-close"
-      :title="t('titlebar.close')"
-      @click="closeWindow()"
-    >
-      <template #icon><CloseOutlined /></template>
+    <a-button v-if="!isMac" type="text" class="tb-btn tb-btn-close" :title="t('titlebar.close')" @click="closeWindow()">
+      <template #icon>
+        <CloseOutlined />
+      </template>
     </a-button>
   </div>
 </template>
diff --git a/src/components/UpdateModal.vue b/src/components/UpdateModal.vue
index 9db245e..00c9f5a 100644
--- a/src/components/UpdateModal.vue
+++ b/src/components/UpdateModal.vue
@@ -1,15 +1,6 @@
 <template>
-  <a-modal
-    :open="store.modalOpen"
-    :title="modalTitle"
-    :closable="!store.installing"
-    :mask-closable="false"
-    :keyboard="!store.installing"
-    :width="520"
-    centered
-    wrap-class-name="update-modal-wrap"
-    @cancel="onCancel"
-  >
+  <a-modal :open="store.modalOpen" :title="modalTitle" :closable="!store.installing" :mask-closable="false"
+    :keyboard="!store.installing" :width="520" centered wrap-class-name="update-modal-wrap" @cancel="onCancel">
     <!-- 俏皮的问候 + 版本变化 -->
     <div class="update-hero">
       <span class="update-hero-emoji">🎉</span>
diff --git a/src/components/WindowsTitleBar.vue b/src/components/WindowsTitleBar.vue
index 3bf03dd..bd63903 100644
--- a/src/components/WindowsTitleBar.vue
+++ b/src/components/WindowsTitleBar.vue
@@ -1,12 +1,14 @@
 <template>
   <!-- Windows 自定义标题栏 -->
-  <div
-    class="titlebar flex h-12 shrink-0 items-center justify-between pl-4 pr-2 select-none"
-    data-tauri-drag-region
-  >
-    <!-- 左侧：标题 -->
+  <div class="titlebar flex h-12 shrink-0 items-center justify-between pl-4 pr-2 select-none" data-tauri-drag-region>
+    <!-- 左侧：图标 + 标题 -->
     <div class="flex items-center gap-2" data-tauri-drag-region>
-      <span class="brand-logo">F</span>
+      <img
+        class="h-[22px] w-[22px] shrink-0 object-contain"
+        :src="appIcon"
+        alt=""
+        draggable="false"
+      />
       <span class="text-sm font-semibold tracking-wide">Frpilot</span>
     </div>
 
@@ -17,21 +19,7 @@
 
 <script setup lang="ts">
 import TitleBarActions from "./TitleBarActions.vue"
+import appIcon from "@/assets/images/app-icon.webp"
 
 const emit = defineEmits<{ settings: [] }>()
 </script>
-
-<style scoped lang="scss">
-.brand-logo {
-  display: inline-flex;
-  height: 22px;
-  width: 22px;
-  align-items: center;
-  justify-content: center;
-  border-radius: 6px;
-  background: linear-gradient(135deg, #6366f1, #22d3ee);
-  color: #fff;
-  font-size: 12px;
-  font-weight: 700;
-}
-</style>
diff --git a/src/stores/update.ts b/src/stores/update.ts
index d48b56a..0471c86 100644
--- a/src/stores/update.ts
+++ b/src/stores/update.ts
@@ -60,11 +60,19 @@ export const useUpdateStore = defineStore("update", () => {
       return
     }
 
+    // 已检测到可用更新（例如用户点过「取消」关掉了弹窗）：直接重新打开，
+    // 避免重复联网检查、重复创建后端资源；徽标也因此能持续提示。
+    if (pending) {
+      modalOpen.value = true
+      return
+    }
+
     checking.value = true
     try {
       const update = await checkForAppUpdate()
 
       if (!update) {
+        info.value = null
         if (!silent) message.success(translate("update.upToDate"))
         return
       }
@@ -107,9 +115,12 @@ export const useUpdateStore = defineStore("update", () => {
     }
   }
 
-  /** 取消（本次不更新，下次启动仍会提示） */
+  /**
+   * 取消：仅关闭弹窗，保留已检测到的可用更新。
+   * 顶部栏 / 关于页的圆点徽标会继续提示，再次点击「检查更新」可重新打开弹窗。
+   */
   function cancel() {
-    void discard()
+    modalOpen.value = false
   }
 
   /** 忽略该版本（持久化，静默检查不再提示） */
diff --git a/src/types/components.d.ts b/src/types/components.d.ts
index 8a0af41..fdae036 100644
--- a/src/types/components.d.ts
+++ b/src/types/components.d.ts
@@ -11,6 +11,7 @@ export {}
 /* prettier-ignore */
 declare module 'vue' {
   export interface GlobalComponents {
+    ABadge: typeof import('ant-design-vue/es')['Badge']
     AButton: typeof import('ant-design-vue/es')['Button']
     ACard: typeof import('ant-design-vue/es')['Card']
     ACol: typeof import('ant-design-vue/es')['Col']
diff --git a/src/views/setting/About.vue b/src/views/setting/About.vue
index 2013a3d..17f1584 100644
--- a/src/views/setting/About.vue
+++ b/src/views/setting/About.vue
@@ -48,9 +48,11 @@
       <div class="flex flex-wrap items-center gap-3">
         <span class="text-xs opacity-60">{{ t("about.currentVersion") }}</span>
         <a-tag color="purple" class="!me-0">v{{ version }}</a-tag>
-        <a-button size="small" :loading="updateStore.checking" @click="onCheckUpdate">
-          {{ t("about.checkUpdate") }}
-        </a-button>
+        <a-badge :dot="updateStore.hasUpdate">
+          <a-button size="small" :loading="updateStore.checking" @click="onCheckUpdate">
+            {{ t("about.checkUpdate") }}
+          </a-button>
+        </a-badge>
         <span v-if="updateStore.hasUpdate" class="text-xs text-[#6366f1]">
           {{ t("about.newVersion", { version: updateStore.info?.version }) }}
         </span>