diff --git a/src/App.vue b/src/App.vue
index dd3a7ca..e7d7630 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -8,12 +8,19 @@
     />
 
     <main class="flex-1 flex flex-col min-h-screen">
-      <TopToolbar :current-background-url="randomImageUrl" />
-      <SearchHeader />
+      <StatsCorner />
+      <TopToolbar :current-background-url="randomImageUrl" @open-settings="openSettings" />
+      <SearchHeader ref="searchHeaderRef" />
       <SearchResults />
       <FloatingButtons />
       <CommentsModal />
       <VndbPanel />
+      <SettingsModal
+        :is-open="isSettingsOpen"
+        :custom-api="searchStore.customApi"
+        @close="closeSettings"
+        @save="saveSettings"
+      />
     </main>
   </div>
 </template>
@@ -22,12 +29,14 @@
 import { computed, onMounted, onUnmounted, ref } from "vue";
 import { imageDB } from "@/utils/imageDB";
 import { useSearchStore } from "@/stores/search";
+import StatsCorner from "@/components/StatsCorner.vue";
 import TopToolbar from "@/components/TopToolbar.vue";
 import SearchHeader from "@/components/SearchHeader.vue";
 import SearchResults from "@/components/SearchResults.vue";
 import FloatingButtons from "@/components/FloatingButtons.vue";
 import CommentsModal from "@/components/CommentsModal.vue";
 import VndbPanel from "@/components/VndbPanel.vue";
+import SettingsModal from "@/components/SettingsModal.vue";
 
 const searchStore = useSearchStore();
 const randomImageUrl = ref("");
@@ -38,6 +47,9 @@ const shuffledQueue = ref<string[]>([]);
 let fetchInterval: number | null = null;
 let displayInterval: number | null = null;
 
+// 设置模态框
+const isSettingsOpen = ref(false);
+
 const MAX_CACHE_SIZE = 10000; // 最大缓存 10000 张图片
 const CLEANUP_BATCH_SIZE = 2000; // 每次清理 2000 张
 const FETCH_INTERVAL = 5000; // 5秒获取一次
@@ -368,6 +380,20 @@ onUnmounted(() => {
   // 关闭数据库连接
   imageDB.close();
 });
+
+// 设置相关函数
+function openSettings() {
+  isSettingsOpen.value = true;
+}
+
+function closeSettings() {
+  isSettingsOpen.value = false;
+}
+
+function saveSettings(customApi: string) {
+  // 保存自定义 API 到 store
+  searchStore.setCustomApi(customApi);
+}
 </script>
 
 <style>
diff --git a/src/components/SearchHeader.vue b/src/components/SearchHeader.vue
index 5142939..b78581f 100644
--- a/src/components/SearchHeader.vue
+++ b/src/components/SearchHeader.vue
@@ -1,9 +1,10 @@
 <template>
   <div class="container mx-auto w-full px-4 sm:px-6 lg:px-8 py-4 sm:py-6">
-    <div class="flex flex-col items-center gap-4 sm:gap-6">
+    <!-- 主内容区域 - 垂直居中布局 -->
+    <div class="flex flex-col items-center justify-center min-h-[60vh]">
       <!-- Title with gamepad icon and status -->
       <div
-        class="header-title flex flex-col sm:flex-row items-center justify-center gap-3 sm:gap-4 my-12 sm:my-12 animate-fade-in-down"
+        class="header-title flex flex-col sm:flex-row items-center justify-center gap-3 sm:gap-4 mb-8 sm:mb-12 animate-fade-in-down"
       >
         <h1
           class="text-3xl sm:text-4xl lg:text-5xl font-bold text-center text-white drop-shadow-[0_4px_8px_rgba(0,0,0,0.3)] flex items-center gap-2 sm:gap-3"
@@ -26,6 +27,7 @@
       <SearchHistory
         ref="searchHistoryRef"
         @select="handleHistorySelect"
+        class="w-full max-w-2xl px-2 sm:px-0 mb-4"
       />
 
       <!-- Search Form -->
@@ -48,22 +50,6 @@
             />
           </div>
 
-          <!-- Custom API Input -->
-          <div class="relative">
-            <i
-              class="fas fa-link absolute left-3 sm:left-4 top-3 sm:top-4 text-gray-400 text-lg sm:text-xl pointer-events-none z-10"
-            ></i>
-            <input
-              v-model="customApi"
-              type="url"
-              placeholder="自定义 API 地址 (可选)"
-              class="w-full pl-10 sm:pl-12 pr-4 py-3 sm:py-4 text-sm sm:text-base rounded-2xl bg-white/98 dark:bg-slate-800/95 text-gray-900 dark:text-slate-100 placeholder:text-gray-400 dark:placeholder:text-slate-400 backdrop-blur-md shadow-lg focus:shadow-2xl focus:scale-[1.01] transition-all outline-none border-2 border-transparent focus:border-pink-500 dark:focus:border-purple-500"
-            />
-            <p class="text-xs text-white/90 dark:text-slate-300 drop-shadow-md mt-2 font-medium">
-              例如: https://api.searchgal.homes 或 http://127.0.0.1:8898
-            </p>
-          </div>
-
           <!-- Search Button and Mode Selector -->
           <div class="flex flex-col gap-3">
             <button
@@ -79,67 +65,42 @@
               >
             </button>
 
-            <!-- Search Mode Selector -->
-            <div class="flex justify-center gap-2 sm:gap-3">
-              <button
-                type="button"
-                @click="searchMode = 'game'"
-                :class="[
-                  'mode-chip px-6 py-2 rounded-full font-medium transition-all flex items-center gap-2',
-                  searchMode === 'game'
-                    ? 'bg-pink-500 dark:bg-purple-600 text-white shadow-lg scale-105'
-                    : 'bg-white/90 dark:bg-slate-700/90 text-gray-700 dark:text-slate-200 hover:bg-white dark:hover:bg-slate-600',
-                ]"
-              >
-                <i class="fas fa-gamepad"></i>
-                <span>游戏</span>
-              </button>
-              <button
-                type="button"
-                @click="searchMode = 'patch'"
-                :class="[
-                  'mode-chip px-6 py-2 rounded-full font-medium transition-all flex items-center gap-2',
-                  searchMode === 'patch'
-                    ? 'bg-pink-500 dark:bg-purple-600 text-white shadow-lg scale-105'
-                    : 'bg-white/90 dark:bg-slate-700/90 text-gray-700 dark:text-slate-200 hover:bg-white dark:hover:bg-slate-600',
-                ]"
-              >
-                <i class="fas fa-tools"></i>
-                <span>补丁</span>
-              </button>
-            </div>
-
-            <!-- Busuanzi Statistics -->
-            <div
-              class="flex justify-center items-center gap-6 text-sm text-white/90 drop-shadow-md font-medium mt-2"
-            >
-              <span class="flex items-center gap-1">
-                <i class="fas fa-eye"></i>
-                <span id="busuanzi_value_page_pv" class="font-semibold">-</span>
-              </span>
-              <span class="flex items-center gap-1">
-                <i class="fas fa-user"></i>
-                <span id="busuanzi_value_site_uv" class="font-semibold">-</span>
-              </span>
-            </div>
-
-            <!-- Version and GitHub Info -->
-            <div class="flex flex-wrap items-center justify-center gap-2 sm:gap-3 mt-4">
-              <div
-                class="px-3 py-1.5 rounded-full bg-white/90 dark:bg-slate-700/90 backdrop-blur-md text-gray-600 dark:text-slate-300 font-medium shadow-md flex items-center gap-2 text-sm"
-              >
-                <span>251007</span>
+            <!-- Search Mode Selector - 胶囊开关 -->
+            <div class="flex justify-center">
+              <div class="mode-switch-container relative bg-white/90 dark:bg-slate-700/90 backdrop-blur-md rounded-full p-1 shadow-lg">
+                <!-- 滑动背景 -->
+                <div
+                  class="mode-slider absolute top-1 bottom-1 rounded-full bg-gradient-to-r from-pink-500 to-pink-600 dark:from-purple-600 dark:to-purple-700 shadow-md transition-all duration-300 ease-out"
+                  :style="{
+                    left: searchMode === 'game' ? '4px' : 'calc(50%)',
+                    width: 'calc(50% - 4px)'
+                  }"
+                />
+                
+                <!-- 游戏按钮 -->
+                <button
+                  type="button"
+                  @click="searchMode = 'game'"
+                  class="mode-option relative z-10 px-6 py-2 rounded-full font-medium transition-all duration-300 flex items-center gap-2"
+                  :class="searchMode === 'game' ? 'text-white' : 'text-gray-700 dark:text-slate-300'"
+                >
+                  <i class="fas fa-gamepad"></i>
+                  <span>游戏</span>
+                </button>
+                
+                <!-- 补丁按钮 -->
+                <button
+                  type="button"
+                  @click="searchMode = 'patch'"
+                  class="mode-option relative z-10 px-6 py-2 rounded-full font-medium transition-all duration-300 flex items-center gap-2"
+                  :class="searchMode === 'patch' ? 'text-white' : 'text-gray-700 dark:text-slate-300'"
+                >
+                  <i class="fas fa-tools"></i>
+                  <span>补丁</span>
+                </button>
               </div>
-              <a
-                href="https://github.com/Moe-Sakura/SearchGal"
-                target="_blank"
-                rel="noopener noreferrer"
-                class="px-3 py-1.5 rounded-full bg-white/90 dark:bg-slate-700/90 backdrop-blur-md text-gray-700 dark:text-slate-200 hover:text-pink-500 dark:hover:text-purple-400 font-medium hover:scale-105 transition-all shadow-md flex items-center gap-2 text-sm"
-              >
-                <i class="fab fa-github"></i>
-                <span>GitHub</span>
-              </a>
             </div>
+
           </div>
         </div>
       </form>
@@ -153,7 +114,7 @@
         leave-from-class="opacity-100"
         leave-to-class="opacity-0"
       >
-        <div v-if="searchStore.errorMessage" class="w-full max-w-2xl">
+        <div v-if="searchStore.errorMessage" class="w-full max-w-2xl px-2 sm:px-0 mt-4">
           <div
             class="bg-red-50 dark:bg-red-900/30 border-2 border-red-200 dark:border-red-800/50 rounded-2xl p-4 shadow-lg"
           >
@@ -167,12 +128,13 @@
           </div>
         </div>
       </Transition>
+    </div>
 
-      <!-- Usage Notice -->
-      <div class="w-full max-w-4xl mt-6 sm:mt-8 px-2 sm:px-0 animate-fade-in animation-delay-1000">
-        <div
-          class="usage-notice bg-white/75 dark:bg-slate-800/90 backdrop-blur-md rounded-2xl sm:rounded-3xl shadow-xl p-4 sm:p-6 lg:p-8"
-        >
+    <!-- Usage Notice - 独立于居中区域 -->
+    <div class="w-full max-w-4xl mx-auto mt-8 sm:mt-12 px-2 sm:px-0 animate-fade-in animation-delay-1000">
+      <div
+        class="usage-notice bg-white/75 dark:bg-slate-800/90 backdrop-blur-md rounded-2xl sm:rounded-3xl shadow-xl p-4 sm:p-6 lg:p-8"
+      >
           <h2
             class="text-xl sm:text-2xl font-bold text-gray-800 dark:text-slate-100 mb-4 sm:mb-6 flex items-center gap-2"
           >
@@ -264,7 +226,6 @@
             </li>
           </ul>
         </div>
-      </div>
     </div>
   </div>
 </template>
@@ -474,4 +435,28 @@ async function handleSearch() {
     transform: translateX(10px);
   }
 }
+
+/* 胶囊开关样式 */
+.mode-switch-container {
+  display: inline-flex;
+  position: relative;
+}
+
+.mode-slider {
+  pointer-events: none;
+}
+
+.mode-option {
+  min-width: 100px;
+  justify-content: center;
+}
+
+/* 响应式调整 */
+@media (max-width: 640px) {
+  .mode-option {
+    min-width: 80px;
+    padding: 0.5rem 1rem;
+    font-size: 0.875rem;
+  }
+}
 </style>
diff --git a/src/components/SettingsModal.vue b/src/components/SettingsModal.vue
new file mode 100644
index 0000000..8f7cbeb
--- /dev/null
+++ b/src/components/SettingsModal.vue
@@ -0,0 +1,203 @@
+<template>
+  <!-- 遮罩层 -->
+  <Transition
+    enter-active-class="transition-opacity duration-200 ease-out"
+    enter-from-class="opacity-0"
+    enter-to-class="opacity-100"
+    leave-active-class="transition-opacity duration-200 ease-in"
+    leave-from-class="opacity-100"
+    leave-to-class="opacity-0"
+  >
+    <div
+      v-if="isOpen"
+      class="fixed inset-0 bg-black/50 backdrop-blur-sm z-50 flex items-center justify-center p-4"
+      @click.self="close"
+    >
+      <!-- 对话框 -->
+      <Transition
+        enter-active-class="transition-all duration-200 ease-out"
+        enter-from-class="opacity-0 scale-95"
+        enter-to-class="opacity-100 scale-100"
+        leave-active-class="transition-all duration-200 ease-in"
+        leave-from-class="opacity-100 scale-100"
+        leave-to-class="opacity-0 scale-95"
+      >
+        <div
+          v-if="isOpen"
+          class="bg-white/95 dark:bg-slate-800/95 backdrop-blur-xl rounded-2xl sm:rounded-3xl shadow-2xl w-full max-w-2xl max-h-[90vh] mx-4 flex flex-col overflow-hidden border border-white/30 dark:border-slate-700/50"
+          @click.stop
+        >
+          <!-- 标题栏 -->
+          <div class="flex items-center gap-2 sm:gap-3 px-4 sm:px-6 py-4 sm:py-5 border-b border-pink-100 dark:border-slate-700">
+            <i class="fas fa-cog text-pink-500 dark:text-purple-400 text-xl sm:text-2xl"></i>
+            <h2 class="text-lg sm:text-xl font-bold text-gray-800 dark:text-slate-100 flex-1">设置</h2>
+            <button
+              @click="close"
+              class="w-10 h-10 flex items-center justify-center rounded-full hover:bg-pink-50 text-gray-500 hover:text-pink-500 dark:text-slate-400 dark:hover:bg-slate-700/50 dark:hover:text-purple-400 transition-all duration-200"
+            >
+              <i class="fas fa-times text-xl"></i>
+            </button>
+          </div>
+
+          <!-- 内容区域 -->
+          <div class="flex-1 overflow-y-auto p-4 sm:p-6 custom-scrollbar">
+            <div class="space-y-6">
+              <!-- API 设置 -->
+              <div class="setting-section">
+                <h3 class="text-base sm:text-lg font-semibold text-gray-800 dark:text-slate-100 mb-3 flex items-center gap-2">
+                  <i class="fas fa-server text-pink-500 dark:text-purple-400"></i>
+                  <span>API 设置</span>
+                </h3>
+                
+                <div class="space-y-4">
+                  <!-- 自定义 API 地址 -->
+                  <div>
+                    <label class="block text-sm font-medium text-gray-700 dark:text-slate-300 mb-2">
+                      自定义 API 地址
+                    </label>
+                    <div class="relative">
+                      <i class="fas fa-link absolute left-3 sm:left-4 top-3 sm:top-4 text-gray-400 text-lg sm:text-xl pointer-events-none z-10"></i>
+                      <input
+                        v-model="localCustomApi"
+                        type="url"
+                        placeholder="https://cfapi.searchgal.homes"
+                        class="w-full pl-10 sm:pl-12 pr-4 py-3 sm:py-4 text-sm sm:text-base rounded-xl bg-white dark:bg-slate-700/50 backdrop-blur-md shadow-md focus:shadow-lg focus:scale-[1.01] transition-all outline-none border-2 border-transparent focus:border-pink-500 dark:focus:border-purple-500 text-gray-900 dark:text-slate-100 placeholder:text-gray-400 dark:placeholder:text-slate-400"
+                      />
+                    </div>
+                    <p class="text-xs text-gray-500 dark:text-slate-400 mt-2">
+                      留空使用默认 API 地址。例如: https://cfapi.searchgal.homes 或 http://127.0.0.1:8787
+                    </p>
+                  </div>
+
+                  <!-- API 状态 -->
+                  <div class="bg-blue-50 dark:bg-blue-950/30 border border-blue-200 dark:border-blue-800/50 rounded-xl p-4">
+                    <div class="flex items-start gap-3">
+                      <i class="fas fa-info-circle text-blue-500 dark:text-blue-400 text-lg mt-0.5"></i>
+                      <div class="flex-1 text-sm text-blue-700 dark:text-blue-300">
+                        <p class="font-semibold mb-1">关于自定义 API</p>
+                        <p>您可以使用自己部署的后端 API 进行搜索。API 需要兼容 SearchGal 的接口规范。</p>
+                      </div>
+                    </div>
+                  </div>
+                </div>
+              </div>
+
+              <!-- 更多设置可以在这里添加 -->
+            </div>
+          </div>
+
+          <!-- 底部操作栏 -->
+          <div class="flex items-center justify-end gap-3 px-4 sm:px-6 py-4 border-t border-pink-100 dark:border-slate-700">
+            <button
+              @click="reset"
+              class="px-4 py-2 rounded-xl text-gray-700 dark:text-slate-300 hover:bg-gray-100 dark:hover:bg-slate-700 transition-all font-medium"
+            >
+              <i class="fas fa-undo mr-2"></i>
+              重置
+            </button>
+            <button
+              @click="save"
+              class="px-6 py-2 rounded-xl bg-gradient-to-r from-pink-500 to-pink-600 dark:from-purple-600 dark:to-purple-700 text-white font-semibold shadow-lg hover:shadow-xl hover:scale-105 transition-all"
+            >
+              <i class="fas fa-check mr-2"></i>
+              保存
+            </button>
+          </div>
+        </div>
+      </Transition>
+    </div>
+  </Transition>
+</template>
+
+<script setup lang="ts">
+import { ref, watch } from 'vue'
+
+const props = defineProps<{
+  isOpen: boolean
+  customApi: string
+}>()
+
+const emit = defineEmits<{
+  close: []
+  save: [customApi: string]
+}>()
+
+const localCustomApi = ref(props.customApi)
+
+// 监听外部变化
+watch(() => props.customApi, (newValue) => {
+  localCustomApi.value = newValue
+})
+
+// 监听打开状态，同步数据
+watch(() => props.isOpen, (isOpen) => {
+  if (isOpen) {
+    localCustomApi.value = props.customApi
+  }
+})
+
+function close() {
+  emit('close')
+}
+
+function save() {
+  emit('save', localCustomApi.value)
+  close()
+}
+
+function reset() {
+  localCustomApi.value = ''
+}
+</script>
+
+<style scoped>
+/* 自定义滚动条 - 粉色渐变 */
+.custom-scrollbar::-webkit-scrollbar {
+  width: 10px;
+}
+
+.custom-scrollbar::-webkit-scrollbar-track {
+  background: rgba(255, 255, 255, 0.1);
+  border-radius: 10px;
+}
+
+.custom-scrollbar::-webkit-scrollbar-thumb {
+  background: linear-gradient(180deg, rgb(236, 72, 153), rgb(139, 92, 246));
+  border-radius: 10px;
+  transition: background 0.3s ease;
+}
+
+.custom-scrollbar::-webkit-scrollbar-thumb:hover {
+  background: linear-gradient(180deg, rgb(219, 39, 119), rgb(124, 58, 237));
+}
+
+/* 暗色模式滚动条 */
+.dark .custom-scrollbar::-webkit-scrollbar-track {
+  background: rgba(30, 41, 59, 0.3);
+}
+
+.dark .custom-scrollbar::-webkit-scrollbar-thumb {
+  background: linear-gradient(180deg, rgb(139, 92, 246), rgb(99, 102, 241));
+}
+
+.dark .custom-scrollbar::-webkit-scrollbar-thumb:hover {
+  background: linear-gradient(180deg, rgb(124, 58, 237), rgb(79, 70, 229));
+}
+
+/* 设置区块 */
+.setting-section {
+  animation: fadeIn 0.3s ease-out;
+}
+
+@keyframes fadeIn {
+  from {
+    opacity: 0;
+    transform: translateY(10px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+</style>
+
diff --git a/src/components/StatsCorner.vue b/src/components/StatsCorner.vue
new file mode 100644
index 0000000..c262b1e
--- /dev/null
+++ b/src/components/StatsCorner.vue
@@ -0,0 +1,50 @@
+<template>
+  <div
+    class="fixed top-4 left-4 z-40 flex flex-col gap-2 animate-fade-in"
+  >
+    <!-- 访问统计 -->
+    <div
+      class="stats-card bg-white/90 dark:bg-slate-800/90 backdrop-blur-md rounded-2xl shadow-lg px-4 py-3 flex items-center gap-3 border border-white/30 dark:border-slate-700/50"
+    >
+      <div class="flex items-center gap-2">
+        <i class="fas fa-eye text-pink-500 dark:text-purple-400"></i>
+        <span id="busuanzi_value_page_pv" class="font-semibold text-gray-800 dark:text-slate-100">-</span>
+      </div>
+      <div class="w-px h-4 bg-gray-300 dark:bg-slate-600"></div>
+      <div class="flex items-center gap-2">
+        <i class="fas fa-user text-pink-500 dark:text-purple-400"></i>
+        <span id="busuanzi_value_site_uv" class="font-semibold text-gray-800 dark:text-slate-100">-</span>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+// 左上角访客统计组件
+</script>
+
+<style scoped>
+.animate-fade-in {
+  animation: fadeIn 0.6s ease-out;
+}
+
+@keyframes fadeIn {
+  from {
+    opacity: 0;
+    transform: translateY(-10px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+/* 响应式设计 */
+@media (max-width: 640px) {
+  .stats-card {
+    font-size: 0.875rem;
+    padding: 0.5rem 0.75rem;
+  }
+}
+</style>
+
diff --git a/src/components/TopToolbar.vue b/src/components/TopToolbar.vue
index ea679ad..85be1c2 100644
--- a/src/components/TopToolbar.vue
+++ b/src/components/TopToolbar.vue
@@ -22,6 +22,26 @@
       <i :class="showCopiedTip ? 'fas fa-check' : 'fas fa-share-alt'" class="text-lg sm:text-xl"></i>
     </button>
 
+    <!-- GitHub 按钮 -->
+    <a
+      href="https://github.com/Moe-Sakura/SearchGal"
+      target="_blank"
+      rel="noopener noreferrer"
+      aria-label="访问 GitHub 仓库"
+      class="toolbar-button github-button"
+    >
+      <i class="fab fa-github text-lg sm:text-xl"></i>
+    </a>
+
+    <!-- 设置按钮 -->
+    <button
+      @click="openSettings"
+      aria-label="设置"
+      class="toolbar-button settings-button"
+    >
+      <i class="fas fa-cog text-lg sm:text-xl"></i>
+    </button>
+
     <!-- 主题切换按钮 -->
     <button
       @click="cycleTheme"
@@ -96,6 +116,11 @@ const props = defineProps<{
   currentBackgroundUrl?: string
 }>()
 
+// Emits
+const emit = defineEmits<{
+  openSettings: []
+}>()
+
 // 状态
 const showSaveTip = ref(false)
 const showCopiedTip = ref(false)
@@ -178,6 +203,11 @@ async function shareSearch() {
   }
 }
 
+// 打开设置
+function openSettings() {
+  emit('openSettings')
+}
+
 // 保存背景图（使用源格式和文件名）
 async function saveBackgroundImage() {
   if (!props.currentBackgroundUrl) return
@@ -331,6 +361,24 @@ watch(themeMode, () => {
   transform: scale(0.95);
 }
 
+/* GitHub 按钮特殊样式 */
+.github-button {
+  color: rgb(31, 41, 55);
+  text-decoration: none;
+}
+
+.dark .github-button {
+  color: rgb(226, 232, 240);
+}
+
+.github-button:hover {
+  border-color: rgba(31, 41, 55, 0.5);
+}
+
+.dark .github-button:hover {
+  border-color: rgba(226, 232, 240, 0.5);
+}
+
 /* 主题按钮特殊样式 */
 .theme-button:hover {
   border-color: rgba(245, 158, 11, 0.5);