diff --git a/electron/main/index.ts b/electron/main/index.ts
index b73d028d..a729df8a 100644
--- a/electron/main/index.ts
+++ b/electron/main/index.ts
@@ -52,7 +52,10 @@ const indexHtml = path.join(RENDERER_DIST, 'index.html')
 
 async function createWindow() {
   win = new BrowserWindow({
-    title: 'Main window',
+    title: 'APM AppStore',
+    width: 1366,
+    height: 768,
+    autoHideMenuBar: true,
     icon: path.join(process.env.VITE_PUBLIC, 'favicon.ico'),
     webPreferences: {
       preload,
diff --git a/src/assets/css/appstyle.css b/src/assets/css/appstyle.css
index 0c505f13..447f12d5 100644
--- a/src/assets/css/appstyle.css
+++ b/src/assets/css/appstyle.css
@@ -789,7 +789,7 @@ align-items: center;
 .action-btn {
 padding: 8px 12px;
 border-radius: 10px;
-background: var(--card);
+background: var(--accent);
 border: 1px solid rgba(15, 23, 42, 0.04);
 box-shadow: var(--shadow);
 cursor: pointer;
diff --git a/src/components/InstalledAppsModal.vue b/src/components/InstalledAppsModal.vue
index a38d1c8d..f15f4c7c 100644
--- a/src/components/InstalledAppsModal.vue
+++ b/src/components/InstalledAppsModal.vue
@@ -7,7 +7,7 @@
           <div class="modal-subtitle">来自本机 APM 安装列表</div>
         </div>
         <div class="modal-actions">
-          <button class="action-btn" :disabled="loading" @click="$emit('refresh')">
+          <button class="apm-btn" :disabled="loading" @click="$emit('refresh')">
             <i class="fas fa-sync-alt"></i> 刷新
           </button>
           <button class="close-modal" @click="$emit('close')" aria-label="关闭">×</button>
@@ -31,7 +31,7 @@
               </div>
             </div>
             <div class="installed-actions">
-              <button class="action-btn secondary danger" :disabled="app.removing" @click="$emit('uninstall', app)">
+              <button class="apm-btn secondary danger" :disabled="app.removing" @click="$emit('uninstall', app)">
                 <i class="fas fa-trash"></i>
                 {{ app.removing ? '卸载中…' : '卸载' }}
               </button>
@@ -137,12 +137,12 @@ defineEmits(['close', 'refresh', 'uninstall']);
   gap: 8px;
 }
 
-.action-btn.danger {
-  color: #ef4444;
+.apm-btn.danger {
+  background: #ef4444;
   border-color: rgba(239, 68, 68, 0.2);
 }
 
-.action-btn.danger:hover {
-  color: #dc2626;
+.apm-btn.danger:hover {
+  background: #dc2626;
 }
 </style>
diff --git a/src/components/UpdateAppsModal.vue b/src/components/UpdateAppsModal.vue
index 34e12513..8ee7bf0d 100644
--- a/src/components/UpdateAppsModal.vue
+++ b/src/components/UpdateAppsModal.vue
@@ -7,10 +7,10 @@
           <div class="modal-subtitle">可更新的 APM 应用</div>
         </div>
         <div class="modal-actions">
-          <button class="action-btn" :disabled="loading" @click="$emit('refresh')">
+          <button class="apm-btn" :disabled="loading" @click="$emit('refresh')">
             <i class="fas fa-sync-alt"></i> 刷新
           </button>
-          <button class="action-btn secondary" :disabled="loading || apps.length === 0" @click="$emit('toggle-all')">
+          <button class="apm-btn" :disabled="loading || apps.length === 0" @click="$emit('toggle-all')">
             <i class="fas fa-check-square"></i> 全选/全不选
           </button>
           <button class="apm-btn" :disabled="loading || !hasSelected" @click="$emit('upgrade-selected')">