diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5f92ce2..57866db 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,20 @@
 
 ## [Unreleased]
 
+## [1.2.6] - 2026-09-01
+
+### 新增
+
+- 设置、API、图库、存储页 UI 重构（侧栏导航、统计卡片、在线调试等）
+- 图库筛选增加存储后端下拉
+- 新建对象存储后端按类型生成存储标识：`r2-*`、`cos-*`、`oss-*`、`s3-*`
+
+### 改进
+
+- 操作日志表格：操作/来源标签同行展示，路径列省略号截断、无横向滚动条
+- 存储后端卡片：存储标识与类型同一行左对齐排列
+- README 与文档站截图、导航说明同步新界面
+
 ## [1.2.5] - 2026-08-31
 
 ### 新增
diff --git a/README.en.md b/README.en.md
index 3ce6b9d..486d553 100644
--- a/README.en.md
+++ b/README.en.md
@@ -31,20 +31,20 @@
 
 **main** has no public demo. **cloudflare** branch live demo: [pic.roven.cc](https://pic.roven.cc)
 
-| Home | Storage |
+| API | Gallery |
 | :--: | :-----: |
-| ![Home](docs/screenshots/upload.png) | ![Storage](docs/screenshots/storage.png) |
+| ![API](docs/screenshots/api.png) | ![Gallery](docs/screenshots/gallery.png) |
 
-| Stats | Settings |
-| :---: | :-------: |
-| ![Stats](docs/screenshots/stats.png) | ![Settings](docs/screenshots/settings-en.png) |
+| Storage | Settings |
+| :-----: | :-------: |
+| ![Storage](docs/screenshots/storage.png) | ![Settings](docs/screenshots/settings-en.png) |
 
 ## Features
 
 - **Drag, click, or Ctrl+V paste** — server-side WebP, Referer hotlink protection
 - **Multi-user** — login with slider captcha, optional registration; users see only their images
 - **Multi-backend storage** — local disk + S3-compatible (R2 / COS / OSS / AWS); hybrid `proxy` / `public` URLs
-- **Gallery & stats** — browse, search, batch delete; upload trends and source breakdown
+- **Gallery** — browse, search, filter by storage/source, grid/list views, batch delete; stats overview and source breakdown
 - **API & Twikoo** — global / per-user tokens; `POST /api/index.php` compatible
 - **Zero-config Docker** — first-run web wizard, no secrets upfront
 
diff --git a/README.md b/README.md
index bb498d4..9691286 100644
--- a/README.md
+++ b/README.md
@@ -31,20 +31,20 @@
 
 **main** 分支暂无公网演示；**cloudflare** 分支在线体验：[pic.roven.cc](https://pic.roven.cc)
 
-| 首页 | 存储 |
+| API | 图库 |
 | :--: | :--: |
-| ![首页](docs/screenshots/upload.png) | ![存储](docs/screenshots/storage.png) |
+| ![API](docs/screenshots/api.png) | ![图库](docs/screenshots/gallery.png) |
 
-| 统计 | 设置 |
+| 存储 | 设置 |
 | :--: | :--: |
-| ![统计](docs/screenshots/stats.png) | ![设置](docs/screenshots/settings.png) |
+| ![存储](docs/screenshots/storage.png) | ![设置](docs/screenshots/settings.png) |
 
 ## 特性
 
 - **拖拽 / 点击 / Ctrl+V 粘贴**上传；服务端 WebP 压缩、Referer 防盗链
 - **多用户**：账号密码登录（滑动验证）、可选开放注册；普通用户仅见自己的图片
 - **多后端存储**：本地磁盘 + S3 兼容（R2 / COS / OSS / AWS）；混合直链 `proxy` / `public`
-- **图库与统计**：浏览、搜索、批量删除；上传趋势与来源分布
+- **图库**：浏览、搜索、按存储/来源筛选、网格/列表切换、批量删除；统计概览与来源分布
 - **API 与 Twikoo**：全局 / 个人 Token；`POST /api/index.php` 兼容
 - **Docker 零配置**：首次访问 Web 引导创建管理员
 
diff --git a/app/components/ImagePreviewModal.vue b/app/components/ImagePreviewModal.vue
index 1965419..9e01e44 100644
--- a/app/components/ImagePreviewModal.vue
+++ b/app/components/ImagePreviewModal.vue
@@ -218,17 +218,17 @@ function onImageLoad(event: Event) {
       #body
     >
       <div class="grid gap-6 lg:grid-cols-[minmax(0,1fr)_minmax(0,1.15fr)] lg:items-start">
-          <div class="preview-checkerboard flex items-center justify-center overflow-hidden rounded-xl border border-default p-4">
-            <img
-              :src="image.url"
-              :alt="image.originalName"
-              class="max-h-[min(60vh,24rem)] w-full object-contain"
-              @load="onImageLoad"
-            >
-          </div>
+        <div class="preview-checkerboard flex items-center justify-center overflow-hidden rounded-xl border border-default p-4">
+          <img
+            :src="image.url"
+            :alt="image.originalName"
+            class="max-h-[min(60vh,24rem)] w-full object-contain"
+            @load="onImageLoad"
+          >
+        </div>
 
-          <div class="flex min-w-0 flex-col gap-5">
-            <dl class="divide-y divide-default text-sm">
+        <div class="flex min-w-0 flex-col gap-5">
+          <dl class="divide-y divide-default text-sm">
             <div class="flex gap-4 py-2.5 first:pt-0">
               <dt class="w-20 shrink-0 text-muted">
                 {{ t('image.previewOriginalName') }}
@@ -330,40 +330,40 @@ function onImageLoad(event: Event) {
                 />
               </dd>
             </div>
-            </dl>
+          </dl>
 
-            <div class="border-t border-default pt-4">
-              <p class="mb-2.5 text-sm font-medium">
-                {{ t('image.previewLinks') }}
-              </p>
-              <div class="flex gap-1 rounded-lg border border-default bg-default p-0.5">
-                <UButton
-                  v-for="item in embedFormatItems"
-                  :key="item.value"
-                  size="xs"
-                  class="flex-1 justify-center"
-                  :variant="embedFormat === item.value ? 'solid' : 'ghost'"
-                  :color="embedFormat === item.value ? 'primary' : 'neutral'"
-                  :label="item.label"
-                  @click="selectEmbedFormat(item.value)"
-                />
-              </div>
-              <div class="mt-2 flex items-center gap-2">
-                <UInput
-                  :model-value="previewValue"
-                  readonly
-                  size="sm"
-                  class="min-w-0 flex-1 font-mono text-xs"
-                />
-                <CopyButton
-                  :label="t('common.copy')"
-                  :value="previewValue"
-                  :success-title="copySuccessTitle"
-                />
-              </div>
+          <div class="border-t border-default pt-4">
+            <p class="mb-2.5 text-sm font-medium">
+              {{ t('image.previewLinks') }}
+            </p>
+            <div class="flex gap-1 rounded-lg border border-default bg-default p-0.5">
+              <UButton
+                v-for="item in embedFormatItems"
+                :key="item.value"
+                size="xs"
+                class="flex-1 justify-center"
+                :variant="embedFormat === item.value ? 'solid' : 'ghost'"
+                :color="embedFormat === item.value ? 'primary' : 'neutral'"
+                :label="item.label"
+                @click="selectEmbedFormat(item.value)"
+              />
+            </div>
+            <div class="mt-2 flex items-center gap-2">
+              <UInput
+                :model-value="previewValue"
+                readonly
+                size="sm"
+                class="min-w-0 flex-1 font-mono text-xs"
+              />
+              <CopyButton
+                :label="t('common.copy')"
+                :value="previewValue"
+                :success-title="copySuccessTitle"
+              />
             </div>
           </div>
         </div>
+      </div>
     </template>
 
     <template
diff --git a/app/components/PaginationBar.vue b/app/components/PaginationBar.vue
index a58f468..74c9b2c 100644
--- a/app/components/PaginationBar.vue
+++ b/app/components/PaginationBar.vue
@@ -125,124 +125,124 @@ const navButtonClass = 'inline-flex items-center justify-center rounded-md borde
         </p>
 
         <div class="flex flex-col gap-3 sm:flex-row sm:flex-wrap sm:items-center sm:justify-end sm:gap-3">
-        <USelect
-          v-if="pageSize !== undefined"
-          :model-value="pageSize"
-          :items="pageSizeItems"
-          value-key="value"
-          size="sm"
-          class="hidden w-[7.5rem] shrink-0 sm:block"
-          :aria-label="t('pagination.pageSize')"
-          :disabled="loading"
-          @update:model-value="onPageSizeChange"
-        />
-
-        <div class="flex items-center justify-center gap-1 sm:justify-end">
-          <button
-            type="button"
-            :class="[navButtonClass, 'hidden size-8 sm:inline-flex']"
-            :aria-label="t('pagination.first')"
-            :disabled="page <= 1 || loading"
-            @click="goTo(1)"
-          >
-            <UIcon
-              name="i-lucide-chevrons-left"
-              class="size-4"
-            />
-          </button>
-          <button
-            type="button"
-            :class="[navButtonClass, 'size-9 sm:size-8']"
-            :aria-label="t('pagination.prev')"
-            :disabled="page <= 1 || loading"
-            @click="goTo(page - 1)"
-          >
-            <UIcon
-              name="i-lucide-chevron-left"
-              class="size-4"
-            />
-          </button>
-
-          <p
-            v-if="!showMobilePageNumbers"
-            class="min-w-[5.5rem] px-1 text-center text-sm text-muted sm:hidden"
-          >
-            {{ t('pagination.pageStatus', { page, totalPages }) }}
-          </p>
-
-          <template
-            v-for="(target, index) in visiblePages"
-            :key="`${target}-${index}`"
-          >
-            <span
-              v-if="target === 'ellipsis'"
-              class="inline-flex size-9 items-center justify-center text-sm text-muted sm:size-8"
-              :class="showMobilePageNumbers ? '' : 'hidden sm:inline-flex'"
-              aria-hidden="true"
-            >
-              …
-            </span>
-            <button
-              v-else
-              type="button"
-              class="inline-flex items-center justify-center rounded-md border text-sm transition-colors disabled:pointer-events-none disabled:opacity-40"
-              :class="[
-                pageButtonClass(target),
-                showMobilePageNumbers ? 'size-9 sm:size-8' : 'hidden size-8 sm:inline-flex'
-              ]"
-              :aria-label="t('pagination.pageNumber', { page: target })"
-              :aria-current="target === page ? 'page' : undefined"
-              :disabled="loading"
-              @click="goTo(target)"
-            >
-              {{ target }}
-            </button>
-          </template>
-
-          <button
-            type="button"
-            :class="[navButtonClass, 'size-9 sm:size-8']"
-            :aria-label="t('pagination.next')"
-            :disabled="page >= totalPages || loading"
-            @click="goTo(page + 1)"
-          >
-            <UIcon
-              name="i-lucide-chevron-right"
-              class="size-4"
-            />
-          </button>
-          <button
-            type="button"
-            :class="[navButtonClass, 'hidden size-8 sm:inline-flex']"
-            :aria-label="t('pagination.last')"
-            :disabled="page >= totalPages || loading"
-            @click="goTo(totalPages)"
-          >
-            <UIcon
-              name="i-lucide-chevrons-right"
-              class="size-4"
-            />
-          </button>
-        </div>
-
-        <form
-          class="hidden items-center gap-1.5 text-sm text-muted sm:flex"
-          @submit.prevent="jumpToPage"
-        >
-          <span>{{ t('pagination.goToPrefix') }}</span>
-          <UInput
-            v-model="jumpPageInput"
-            type="number"
-            min="1"
-            :max="totalPages"
+          <USelect
+            v-if="pageSize !== undefined"
+            :model-value="pageSize"
+            :items="pageSizeItems"
+            value-key="value"
             size="sm"
-            class="w-14"
-            :aria-label="t('pagination.pagePlaceholder')"
+            class="hidden w-[7.5rem] shrink-0 sm:block"
+            :aria-label="t('pagination.pageSize')"
             :disabled="loading"
-            @blur="jumpToPage"
+            @update:model-value="onPageSizeChange"
           />
-          <span v-if="t('pagination.goToSuffix')">{{ t('pagination.goToSuffix') }}</span>
-        </form>
+
+          <div class="flex items-center justify-center gap-1 sm:justify-end">
+            <button
+              type="button"
+              :class="[navButtonClass, 'hidden size-8 sm:inline-flex']"
+              :aria-label="t('pagination.first')"
+              :disabled="page <= 1 || loading"
+              @click="goTo(1)"
+            >
+              <UIcon
+                name="i-lucide-chevrons-left"
+                class="size-4"
+              />
+            </button>
+            <button
+              type="button"
+              :class="[navButtonClass, 'size-9 sm:size-8']"
+              :aria-label="t('pagination.prev')"
+              :disabled="page <= 1 || loading"
+              @click="goTo(page - 1)"
+            >
+              <UIcon
+                name="i-lucide-chevron-left"
+                class="size-4"
+              />
+            </button>
+
+            <p
+              v-if="!showMobilePageNumbers"
+              class="min-w-[5.5rem] px-1 text-center text-sm text-muted sm:hidden"
+            >
+              {{ t('pagination.pageStatus', { page, totalPages }) }}
+            </p>
+
+            <template
+              v-for="(target, index) in visiblePages"
+              :key="`${target}-${index}`"
+            >
+              <span
+                v-if="target === 'ellipsis'"
+                class="inline-flex size-9 items-center justify-center text-sm text-muted sm:size-8"
+                :class="showMobilePageNumbers ? '' : 'hidden sm:inline-flex'"
+                aria-hidden="true"
+              >
+                …
+              </span>
+              <button
+                v-else
+                type="button"
+                class="inline-flex items-center justify-center rounded-md border text-sm transition-colors disabled:pointer-events-none disabled:opacity-40"
+                :class="[
+                  pageButtonClass(target),
+                  showMobilePageNumbers ? 'size-9 sm:size-8' : 'hidden size-8 sm:inline-flex'
+                ]"
+                :aria-label="t('pagination.pageNumber', { page: target })"
+                :aria-current="target === page ? 'page' : undefined"
+                :disabled="loading"
+                @click="goTo(target)"
+              >
+                {{ target }}
+              </button>
+            </template>
+
+            <button
+              type="button"
+              :class="[navButtonClass, 'size-9 sm:size-8']"
+              :aria-label="t('pagination.next')"
+              :disabled="page >= totalPages || loading"
+              @click="goTo(page + 1)"
+            >
+              <UIcon
+                name="i-lucide-chevron-right"
+                class="size-4"
+              />
+            </button>
+            <button
+              type="button"
+              :class="[navButtonClass, 'hidden size-8 sm:inline-flex']"
+              :aria-label="t('pagination.last')"
+              :disabled="page >= totalPages || loading"
+              @click="goTo(totalPages)"
+            >
+              <UIcon
+                name="i-lucide-chevrons-right"
+                class="size-4"
+              />
+            </button>
+          </div>
+
+          <form
+            class="hidden items-center gap-1.5 text-sm text-muted sm:flex"
+            @submit.prevent="jumpToPage"
+          >
+            <span>{{ t('pagination.goToPrefix') }}</span>
+            <UInput
+              v-model="jumpPageInput"
+              type="number"
+              min="1"
+              :max="totalPages"
+              size="sm"
+              class="w-14"
+              :aria-label="t('pagination.pagePlaceholder')"
+              :disabled="loading"
+              @blur="jumpToPage"
+            />
+            <span v-if="t('pagination.goToSuffix')">{{ t('pagination.goToSuffix') }}</span>
+          </form>
         </div>
       </div>
     </div>
diff --git a/app/components/gallery/GalleryFilterBar.vue b/app/components/gallery/GalleryFilterBar.vue
index 052b01c..c582a70 100644
--- a/app/components/gallery/GalleryFilterBar.vue
+++ b/app/components/gallery/GalleryFilterBar.vue
@@ -1,6 +1,8 @@
 <script setup lang="ts">
 const props = withDefaults(defineProps<{
   searchQuery: string
+  storageBackend: string
+  storageBackendItems: Array<{ label: string, value: string }>
   uploadSource: string
   uploadSourceItems: Array<{ label: string, value: string }>
   viewMode: 'grid' | 'list'
@@ -13,6 +15,7 @@ const props = withDefaults(defineProps<{
 
 const emit = defineEmits<{
   'update:searchQuery': [value: string]
+  'update:storageBackend': [value: string]
   'update:uploadSource': [value: string]
   'update:viewMode': [mode: 'grid' | 'list']
   'search': []
@@ -49,6 +52,16 @@ function viewButtonClass(active: boolean) {
       @update:model-value="emit('update:searchQuery', $event)"
     />
 
+    <USelect
+      :model-value="storageBackend"
+      :items="storageBackendItems"
+      class="w-28 shrink-0"
+      size="sm"
+      :aria-label="t('stats.storage')"
+      :disabled="loading"
+      @update:model-value="emit('update:storageBackend', $event)"
+    />
+
     <USelect
       :model-value="uploadSource"
       :items="uploadSourceItems"
diff --git a/app/components/settings/SettingsLogsPanel.vue b/app/components/settings/SettingsLogsPanel.vue
index 4684428..188ca08 100644
--- a/app/components/settings/SettingsLogsPanel.vue
+++ b/app/components/settings/SettingsLogsPanel.vue
@@ -73,8 +73,11 @@ function formatTimeShort(value: string) {
   }
 }
 
-function actionColor(action: LogAction) {
-  return action === 'upload' ? 'success' : 'error'
+function actionBadgeClass(action: LogAction) {
+  const base = 'inline-flex items-center gap-1 rounded-md px-2 py-0.5 text-xs font-medium whitespace-nowrap'
+  return action === 'upload'
+    ? `${base} bg-success/10 text-success`
+    : `${base} bg-error/10 text-error`
 }
 
 function actionIcon(action: LogAction) {
@@ -335,24 +338,16 @@ onMounted(async () => {
             </div>
 
             <div class="mt-2 flex min-w-0 max-w-full flex-wrap items-center gap-1.5">
-              <UBadge
-                :color="actionColor(row.action)"
-                variant="subtle"
-                size="xs"
-              >
+              <span :class="actionBadgeClass(row.action)">
                 <UIcon
                   :name="actionIcon(row.action)"
-                  class="mr-1 size-3"
+                  class="size-3 shrink-0"
                 />
                 {{ row.action === 'upload' ? t('logs.actionUpload') : t('logs.actionDelete') }}
-              </UBadge>
-              <UBadge
-                color="neutral"
-                variant="subtle"
-                size="xs"
-              >
+              </span>
+              <span class="inline-flex items-center rounded-md bg-primary/10 px-2 py-0.5 text-xs font-medium text-primary whitespace-nowrap">
                 {{ sourceLabel(row.source) }}
-              </UBadge>
+              </span>
               <span
                 v-if="isAdmin"
                 class="text-xs text-muted"
@@ -412,32 +407,32 @@ onMounted(async () => {
         </div>
       </div>
 
-      <div class="hidden overflow-x-auto sm:block">
-        <table class="min-w-full text-left text-sm">
+      <div class="hidden min-w-0 sm:block">
+        <table class="w-full table-fixed text-left text-sm">
           <thead class="border-b border-default bg-muted/30 text-xs text-muted">
             <tr>
-              <th class="px-4 py-3 font-medium sm:px-6">
+              <th class="w-36 px-4 py-3 font-medium sm:px-6">
                 {{ t('logs.colTime') }}
               </th>
               <th
                 v-if="isAdmin"
-                class="px-4 py-3 font-medium"
+                class="w-20 px-4 py-3 font-medium"
               >
                 {{ t('logs.colUser') }}
               </th>
-              <th class="px-4 py-3 font-medium">
+              <th class="w-20 whitespace-nowrap px-4 py-3 font-medium">
                 {{ t('logs.colAction') }}
               </th>
-              <th class="px-4 py-3 font-medium">
+              <th class="w-16 whitespace-nowrap px-4 py-3 font-medium">
                 {{ t('logs.colSource') }}
               </th>
-              <th class="px-4 py-3 font-medium">
+              <th class="w-24 px-4 py-3 font-medium">
                 {{ t('logs.colStorage') }}
               </th>
               <th class="hidden px-4 py-3 font-medium md:table-cell">
                 {{ t('logs.colFile') }}
               </th>
-              <th class="px-4 py-3 font-medium">
+              <th class="w-20 px-4 py-3 font-medium">
                 {{ t('logs.colSize') }}
               </th>
               <th class="hidden px-4 py-3 font-medium xl:table-cell">
@@ -451,41 +446,33 @@ onMounted(async () => {
               :key="row.id"
               class="hover:bg-muted/20"
             >
-              <td class="whitespace-nowrap px-4 py-3 text-xs text-muted sm:px-6">
-                {{ formatTime(row.createdAt) }}
+              <td class="px-4 py-3 text-xs text-muted sm:px-6">
+                <span class="block truncate">{{ formatTime(row.createdAt) }}</span>
               </td>
               <td
                 v-if="isAdmin"
                 class="px-4 py-3 text-xs"
               >
-                {{ row.username ?? '—' }}
+                <span class="block truncate">{{ row.username ?? '—' }}</span>
               </td>
-              <td class="px-4 py-3">
-                <UBadge
-                  :color="actionColor(row.action)"
-                  variant="subtle"
-                  size="xs"
-                >
+              <td class="whitespace-nowrap px-4 py-3">
+                <span :class="actionBadgeClass(row.action)">
                   <UIcon
                     :name="actionIcon(row.action)"
-                    class="mr-1 size-3"
+                    class="size-3 shrink-0"
                   />
                   {{ row.action === 'upload' ? t('logs.actionUpload') : t('logs.actionDelete') }}
-                </UBadge>
+                </span>
               </td>
-              <td class="px-4 py-3">
-                <UBadge
-                  color="neutral"
-                  variant="subtle"
-                  size="xs"
-                >
+              <td class="whitespace-nowrap px-4 py-3">
+                <span class="inline-flex items-center rounded-md bg-primary/10 px-2 py-0.5 text-xs font-medium text-primary">
                   {{ sourceLabel(row.source) }}
-                </UBadge>
+                </span>
               </td>
               <td class="px-4 py-3 text-xs">
                 <span
                   v-if="row.storage"
-                  class="inline-flex max-w-[8rem] items-center gap-1 truncate"
+                  class="flex min-w-0 items-center gap-1"
                   :title="row.storage.name"
                 >
                   <UIcon
@@ -500,7 +487,7 @@ onMounted(async () => {
                 >—</span>
               </td>
               <td
-                class="hidden max-w-[12rem] truncate px-4 py-3 md:table-cell"
+                class="hidden max-w-0 truncate px-4 py-3 md:table-cell"
                 :title="row.originalName"
               >
                 {{ row.originalName }}
@@ -508,21 +495,21 @@ onMounted(async () => {
               <td class="whitespace-nowrap px-4 py-3 tabular-nums text-muted">
                 {{ formatFileSize(row.size) }}
               </td>
-              <td class="hidden px-4 py-3 xl:table-cell">
-                <div class="flex max-w-[16rem] items-center gap-1">
+              <td class="hidden max-w-0 px-4 py-3 xl:table-cell">
+                <div class="flex min-w-0 items-center gap-1">
                   <a
                     v-if="row.action === 'upload'"
                     :href="imageUrl(row.key)"
                     target="_blank"
                     rel="noopener noreferrer"
-                    class="truncate font-mono text-xs text-primary hover:underline"
+                    class="min-w-0 truncate font-mono text-xs text-primary hover:underline"
                     :title="row.key"
                   >
                     {{ row.key }}
                   </a>
                   <span
                     v-else
-                    class="truncate font-mono text-xs text-dimmed"
+                    class="min-w-0 truncate font-mono text-xs text-dimmed"
                     :title="row.key"
                   >
                     {{ row.key }}
@@ -530,6 +517,7 @@ onMounted(async () => {
                   <CopyButton
                     icon="i-lucide-copy"
                     icon-only
+                    class="shrink-0"
                     :label="t('common.copy')"
                     :value="row.key"
                     :success-title="t('copy.copiedUrl')"
diff --git a/app/components/settings/SettingsUserPreferencesFields.vue b/app/components/settings/SettingsUserPreferencesFields.vue
index 96627f8..f2cf9f1 100644
--- a/app/components/settings/SettingsUserPreferencesFields.vue
+++ b/app/components/settings/SettingsUserPreferencesFields.vue
@@ -45,104 +45,104 @@ onMounted(() => {
 
 <template>
   <SettingsSection :title="t('preferences.processing')">
-      <SettingsGroup>
-        <SettingsToggleRow
-          v-model="compressEnabled"
-          :title="t('preferences.clientCompress')"
-          :hint="t('preferences.clientCompressHint')"
+    <SettingsGroup>
+      <SettingsToggleRow
+        v-model="compressEnabled"
+        :title="t('preferences.clientCompress')"
+        :hint="t('preferences.clientCompressHint')"
+      />
+      <div
+        v-if="userSettings"
+        class="flex items-start justify-between gap-4 px-4 py-4 sm:px-5"
+      >
+        <div class="min-w-0 flex-1 pr-2">
+          <p class="flex flex-wrap items-center gap-x-1.5 gap-y-1 text-sm font-medium text-highlighted">
+            <span>{{ t('preferences.autoDeletePrefix') }}</span>
+            <UInput
+              v-model.number="userAutoDeleteDaysDraft"
+              type="number"
+              min="1"
+              max="3650"
+              size="xs"
+              class="w-14 tabular-nums"
+              :class="userAutoDeleteEnabled ? '' : 'pointer-events-none opacity-40'"
+            />
+            <span>{{ t('preferences.autoDeleteSuffix') }}</span>
+          </p>
+          <p class="mt-1 text-xs leading-relaxed text-muted">
+            {{ t('preferences.autoDeleteHint') }}
+          </p>
+        </div>
+        <USwitch
+          v-model="userAutoDeleteEnabled"
+          class="mt-0.5 shrink-0"
         />
-        <div
-          v-if="userSettings"
-          class="flex items-start justify-between gap-4 px-4 py-4 sm:px-5"
-        >
-          <div class="min-w-0 flex-1 pr-2">
-            <p class="flex flex-wrap items-center gap-x-1.5 gap-y-1 text-sm font-medium text-highlighted">
-              <span>{{ t('preferences.autoDeletePrefix') }}</span>
-              <UInput
-                v-model.number="userAutoDeleteDaysDraft"
-                type="number"
-                min="1"
-                max="3650"
-                size="xs"
-                class="w-14 tabular-nums"
-                :class="userAutoDeleteEnabled ? '' : 'pointer-events-none opacity-40'"
-              />
-              <span>{{ t('preferences.autoDeleteSuffix') }}</span>
+      </div>
+      <div
+        v-else
+        class="flex justify-center py-4"
+      >
+        <UIcon
+          name="i-lucide-loader-circle"
+          class="size-5 animate-spin text-muted"
+        />
+      </div>
+      <div class="px-4 py-4 sm:px-5">
+        <div class="flex items-start justify-between gap-4">
+          <div class="min-w-0 flex-1">
+            <p class="text-sm font-medium text-highlighted">
+              {{ t('preferences.webpQuality') }}
             </p>
             <p class="mt-1 text-xs leading-relaxed text-muted">
-              {{ t('preferences.autoDeleteHint') }}
+              {{ t('preferences.webpQualityHint') }}
+            </p>
+          </div>
+          <div class="shrink-0 text-right text-xs text-muted">
+            <p>{{ t('preferences.current', { n: clientWebpQuality }) }}</p>
+            <p class="mt-0.5">
+              {{ clientQualityLevel }}
             </p>
           </div>
-          <USwitch
-            v-model="userAutoDeleteEnabled"
-            class="mt-0.5 shrink-0"
-          />
         </div>
-        <div
-          v-else
-          class="flex justify-center py-4"
+        <input
+          type="range"
+          min="1"
+          max="100"
+          :value="clientWebpQuality"
+          class="mt-3 h-1.5 w-full cursor-pointer appearance-none rounded-full bg-muted accent-primary"
+          @input="onClientQualityInput"
         >
-          <UIcon
-            name="i-lucide-loader-circle"
-            class="size-5 animate-spin text-muted"
+      </div>
+    </SettingsGroup>
+  </SettingsSection>
+
+  <SettingsSection :title="t('settings.uploadConvenience')">
+    <SettingsGroup>
+      <SettingsToggleRow
+        v-model="autoCopyMarkdown"
+        :title="t('preferences.autoCopy')"
+        :hint="t('preferences.autoCopyHint')"
+      />
+      <div class="flex flex-col gap-3 px-4 py-4 sm:flex-row sm:items-center sm:justify-between sm:px-5">
+        <p class="text-sm font-medium text-highlighted">
+          {{ t('settings.defaultCopyFormat') }}
+        </p>
+        <div
+          class="flex w-full max-w-xs gap-1 rounded-lg border border-default p-0.5 sm:w-auto"
+          :class="autoCopyMarkdown ? '' : 'pointer-events-none opacity-40'"
+        >
+          <UButton
+            v-for="item in copyFormatItems"
+            :key="item.value"
+            size="xs"
+            class="flex-1 justify-center sm:min-w-[4.5rem]"
+            :variant="copyFormat === item.value ? 'solid' : 'ghost'"
+            :color="copyFormat === item.value ? 'primary' : 'neutral'"
+            :label="item.label"
+            @click="setCopyFormat(item.value)"
           />
         </div>
-        <div class="px-4 py-4 sm:px-5">
-          <div class="flex items-start justify-between gap-4">
-            <div class="min-w-0 flex-1">
-              <p class="text-sm font-medium text-highlighted">
-                {{ t('preferences.webpQuality') }}
-              </p>
-              <p class="mt-1 text-xs leading-relaxed text-muted">
-                {{ t('preferences.webpQualityHint') }}
-              </p>
-            </div>
-            <div class="shrink-0 text-right text-xs text-muted">
-              <p>{{ t('preferences.current', { n: clientWebpQuality }) }}</p>
-              <p class="mt-0.5">
-                {{ clientQualityLevel }}
-              </p>
-            </div>
-          </div>
-          <input
-            type="range"
-            min="1"
-            max="100"
-            :value="clientWebpQuality"
-            class="mt-3 h-1.5 w-full cursor-pointer appearance-none rounded-full bg-muted accent-primary"
-            @input="onClientQualityInput"
-          >
-        </div>
-      </SettingsGroup>
-    </SettingsSection>
-
-    <SettingsSection :title="t('settings.uploadConvenience')">
-      <SettingsGroup>
-        <SettingsToggleRow
-          v-model="autoCopyMarkdown"
-          :title="t('preferences.autoCopy')"
-          :hint="t('preferences.autoCopyHint')"
-        />
-        <div class="flex flex-col gap-3 px-4 py-4 sm:flex-row sm:items-center sm:justify-between sm:px-5">
-          <p class="text-sm font-medium text-highlighted">
-            {{ t('settings.defaultCopyFormat') }}
-          </p>
-          <div
-            class="flex w-full max-w-xs gap-1 rounded-lg border border-default p-0.5 sm:w-auto"
-            :class="autoCopyMarkdown ? '' : 'pointer-events-none opacity-40'"
-          >
-            <UButton
-              v-for="item in copyFormatItems"
-              :key="item.value"
-              size="xs"
-              class="flex-1 justify-center sm:min-w-[4.5rem]"
-              :variant="copyFormat === item.value ? 'solid' : 'ghost'"
-              :color="copyFormat === item.value ? 'primary' : 'neutral'"
-              :label="item.label"
-              @click="setCopyFormat(item.value)"
-            />
-          </div>
-        </div>
-      </SettingsGroup>
-    </SettingsSection>
+      </div>
+    </SettingsGroup>
+  </SettingsSection>
 </template>
diff --git a/app/components/storage/StorageBackendCard.vue b/app/components/storage/StorageBackendCard.vue
index ab4cb65..fc7735a 100644
--- a/app/components/storage/StorageBackendCard.vue
+++ b/app/components/storage/StorageBackendCard.vue
@@ -98,10 +98,10 @@ function canDelete() {
       />
     </div>
 
-    <div class="mt-4 space-y-2 text-xs text-muted">
-      <div class="flex items-center gap-2">
+    <div class="mt-4 flex flex-wrap items-center gap-x-4 gap-y-1 text-xs text-muted">
+      <div class="flex min-w-0 items-center gap-2">
         <span class="shrink-0">{{ t('storage.storageId') }}:</span>
-        <code class="min-w-0 flex-1 truncate font-mono text-dimmed">{{ backend.id }}</code>
+        <code class="min-w-0 truncate font-mono text-dimmed">{{ backend.id }}</code>
         <CopyButton
           icon="i-lucide-copy"
           icon-only
@@ -113,9 +113,9 @@ function canDelete() {
           :success-title="t('copy.copied')"
         />
       </div>
-      <p>
+      <span>
         {{ t('storage.storageType') }}: {{ typeLabel }}
-      </p>
+      </span>
     </div>
 
     <div class="mt-4 flex flex-wrap gap-2 border-t border-default pt-4">
diff --git a/app/components/storage/StorageBackendForm.vue b/app/components/storage/StorageBackendForm.vue
index 87a7fd4..5fdc1e5 100644
--- a/app/components/storage/StorageBackendForm.vue
+++ b/app/components/storage/StorageBackendForm.vue
@@ -6,6 +6,7 @@ type StorageProvider = 'r2' | 'cos' | 'oss' | 'aws' | 'custom'
 
 export interface StorageFormPayload {
   name: string
+  provider: StorageProvider
   config: {
     endpoint: string
     region: string
@@ -158,6 +159,7 @@ watch(provider, (value) => {
 function handleSubmit() {
   emit('submit', {
     name: name.value.trim() || providerLabel(provider.value),
+    provider: provider.value,
     config: {
       endpoint: endpoint.value.trim(),
       region: region.value.trim() || 'auto',
diff --git a/app/pages/gallery.vue b/app/pages/gallery.vue
index 23786a0..f38f43b 100644
--- a/app/pages/gallery.vue
+++ b/app/pages/gallery.vue
@@ -33,7 +33,6 @@ const {
   loading: galleryLoading,
   searchQuery,
   activeSearch,
-  refreshList,
   fetchList,
   fetchSearch,
   fetchTotal,
@@ -41,6 +40,9 @@ const {
   goToPage,
   setPageSize,
   removeItems,
+  activeStorageBackend,
+  setActiveStorageBackend,
+  storageBackendOptions,
   activeUploadSource,
   setActiveUploadSource,
   resetFilters,
@@ -66,6 +68,7 @@ const previewImage = ref<ImageItem | null>(null)
 const viewMode = ref<'grid' | 'list'>('grid')
 
 const currentUploadSource = ref('all')
+const currentStorageBackend = ref('all')
 
 const uploadSourceItems = computed(() => [
   { label: t('stats.filterSourceAll'), value: 'all' },
@@ -73,6 +76,14 @@ const uploadSourceItems = computed(() => [
   { label: t('stats.sourceApi'), value: 'api' }
 ])
 
+const storageBackendItems = computed(() => [
+  { label: t('stats.filterStorageAll'), value: 'all' },
+  ...storageBackendOptions.value.map(backend => ({
+    label: backend.name,
+    value: backend.id
+  }))
+])
+
 const selectedCount = computed(() => selectedKeys.value.size)
 
 function onWindowScroll() {
@@ -103,17 +114,6 @@ async function refreshStats() {
   }
 }
 
-async function refreshGallery() {
-  if (!isAuthenticated.value) return
-  selectedKeys.value = new Set()
-  try {
-    await Promise.all([refreshList(), loadStorageBackendOptions()])
-    currentUploadSource.value = activeUploadSource.value
-  } catch (error: unknown) {
-    handleAuthError(error)
-  }
-}
-
 async function reloadGallery() {
   if (activeSearch.value) {
     await fetchSearch(galleryPage.value)
@@ -134,6 +134,7 @@ async function refreshAll() {
       loadStorageBackendOptions()
     ])
     currentUploadSource.value = activeUploadSource.value
+    currentStorageBackend.value = activeStorageBackend.value
   } catch (error: unknown) {
     handleAuthError(error)
     if (isAuthenticated.value) {
@@ -144,6 +145,17 @@ async function refreshAll() {
   }
 }
 
+async function handleStorageBackendChange(backendId: string) {
+  if (!isAuthenticated.value) return
+  currentStorageBackend.value = backendId
+  selectedKeys.value = new Set()
+  try {
+    await setActiveStorageBackend(backendId)
+  } catch (error: unknown) {
+    handleAuthError(error)
+  }
+}
+
 async function handleUploadSourceChange(uploadSource: string) {
   if (!isAuthenticated.value) return
   currentUploadSource.value = uploadSource
@@ -159,6 +171,7 @@ async function handleResetFilters() {
   if (!isAuthenticated.value) return
   selectedKeys.value = new Set()
   currentUploadSource.value = 'all'
+  currentStorageBackend.value = 'all'
   try {
     await resetFilters()
   } catch (error: unknown) {
@@ -381,11 +394,14 @@ watch(isAuthenticated, async (authed, prev) => {
 
           <GalleryFilterBar
             v-model:search-query="searchQuery"
+            :storage-backend="currentStorageBackend"
+            :storage-backend-items="storageBackendItems"
             :upload-source="currentUploadSource"
             :upload-source-items="uploadSourceItems"
             :view-mode="viewMode"
             :selected-count="selectedCount"
             :loading="galleryLoading"
+            @update:storage-backend="handleStorageBackendChange"
             @update:upload-source="handleUploadSourceChange"
             @update:view-mode="viewMode = $event"
             @search="handleSearch"
diff --git a/app/pages/storage.vue b/app/pages/storage.vue
index 574122c..9102899 100644
--- a/app/pages/storage.vue
+++ b/app/pages/storage.vue
@@ -48,6 +48,7 @@ function buildPatchBody(payload: StorageFormPayload) {
   const quotaBytes = quotaToBytes(payload.quotaValue, payload.quotaUnit)
   const body: Record<string, unknown> = {
     name: payload.name,
+    provider: payload.provider,
     servingMode: payload.servingMode,
     publicUrl: payload.publicUrl,
     quotaBytes,
diff --git a/docs-site/en/guide/api.md b/docs-site/en/guide/api.md
index 921eee2..11c6c08 100644
--- a/docs-site/en/guide/api.md
+++ b/docs-site/en/guide/api.md
@@ -1,6 +1,6 @@
 # API
 
-PicHost exposes REST endpoints and a Twikoo-compatible upload. After deployment, open the in-app **API** page for your token and copyable cURL snippets.
+PicHost exposes REST endpoints and a Twikoo-compatible upload. After sign-in, open **API** in the nav: a sidebar lists endpoints and token controls, the center shows parameters and copyable cURL, and the right panel supports **live debugging**.
 
 ## Authentication
 
diff --git a/docs-site/en/guide/changelog.md b/docs-site/en/guide/changelog.md
index fbcd59b..11653a4 100644
--- a/docs-site/en/guide/changelog.md
+++ b/docs-site/en/guide/changelog.md
@@ -4,6 +4,20 @@ Version history and notable changes. The full log is also in the repo root [CHAN
 
 ---
 
+## [1.2.6] — 2026-09-01
+
+### Added
+
+- **Admin UI**: redesigned Settings, API, Gallery, and Storage pages; API page includes live debugging
+- **Gallery filter**: filter by storage backend
+- **Storage IDs**: new R2 / COS / OSS / S3 backends get `r2-*`, `cos-*`, `oss-*`, or `s3-*` prefixes
+
+### Improved
+
+- Activity log table styling and path truncation
+- Storage backend card metadata layout
+- Docs site and README screenshots updated
+
 ## [1.2.5] — 2026-08-31
 
 ### Added
diff --git a/docs-site/en/guide/configuration.md b/docs-site/en/guide/configuration.md
index 3cd5daa..75ccbd9 100644
--- a/docs-site/en/guide/configuration.md
+++ b/docs-site/en/guide/configuration.md
@@ -1,6 +1,6 @@
 # Environment variables
 
-Configure PicHost via environment variables (Docker / `.env`) or the in-app **Settings** page. Most values prefer **SQLite** when saved; some env vars override or lock UI editing.
+Configure PicHost via environment variables (Docker / `.env`) or the in-app **Settings** page. Admins use **Settings** (`/settings`) with sidebar sections **Basic**, **Domains & paths**, **Access control**, and **Activity log**. Most values prefer **SQLite** when saved; some env vars override or lock UI editing.
 
 ## Priority overview
 
diff --git a/docs-site/en/guide/getting-started.md b/docs-site/en/guide/getting-started.md
index 2195119..0d3eb21 100644
--- a/docs-site/en/guide/getting-started.md
+++ b/docs-site/en/guide/getting-started.md
@@ -35,11 +35,11 @@ See `docker-compose.yml` in the repository.
 1. Open your instance URL (Docker default `http://<host>:6892`).
 2. Complete `/setup` with admin username and password.
 3. (Optional) Configure site URL, image URL, Referer rules — see [Environment variables](./configuration.md) and [Dual-domain separation](./domain-separation.md).
-4. Upload from the home page; admins can open **Storage**, **Settings**, and **API**.
+4. Upload from the home page; use the top nav for **Gallery**, **Storage** (admin), **Settings**, and **API**.
 
 ## Sign in
 
-Management pages (upload, stats, settings, etc.) require login. Enter username and password, **drag the slider to align with the gap**, then click **Sign in**.
+Management pages (upload, gallery, settings, etc.) require login. Enter username and password, **drag the slider to align with the gap**, then click **Sign in**.
 
 ![Login](/screenshots/login.png)
 
diff --git a/docs-site/en/guide/index.md b/docs-site/en/guide/index.md
index b6f587b..5114215 100644
--- a/docs-site/en/guide/index.md
+++ b/docs-site/en/guide/index.md
@@ -12,18 +12,14 @@ Welcome to the PicHost user guide. This site is the single source of truth; the
 
 ## Screenshots
 
-**main** has no public demo. Below are v1.2.0 product screenshots.
+**main** has no public demo. Below are current product screenshots (v1.2.5+).
 
-| First-time setup | Login |
-| :--------------: | :---: |
-| ![Setup](/screenshots/setup.png) | ![Login](/screenshots/login.png) |
-
-| API | Stats & gallery |
-| :-: | :-------------: |
-| ![API](/screenshots/api.png) | ![Stats & gallery](/screenshots/stats.png) |
+| API | Gallery |
+| :-: | :-----: |
+| ![API](/screenshots/api.png) | ![Gallery](/screenshots/gallery.png) |
 
 | Storage | Settings |
-| :-----: | :------: |
+| :-----: | :-------: |
 | ![Storage](/screenshots/storage.png) | ![Settings](/screenshots/settings-en.png) |
 
 | Activity log |
diff --git a/docs-site/en/guide/storage.md b/docs-site/en/guide/storage.md
index 487256b..b63ced1 100644
--- a/docs-site/en/guide/storage.md
+++ b/docs-site/en/guide/storage.md
@@ -1,6 +1,6 @@
 # Storage
 
-PicHost supports **local disk** and **S3-compatible object storage** (Cloudflare R2, Tencent COS, Alibaba OSS, AWS S3, etc.). Admins manage backends at **Storage** (`/storage`); new uploads go to the **default** backend.
+PicHost supports **local disk** and **S3-compatible object storage** (Cloudflare R2, Tencent COS, Alibaba OSS, AWS S3, etc.). Admins manage backends at **Storage** (`/storage`); new uploads go to the **default** backend. The page shows a **storage overview** (total, used, remaining, usage rate, capacity chart) plus per-backend cards and supported backend types.
 
 ![Storage management](/screenshots/storage.png)
 
@@ -25,6 +25,8 @@ All **keys** start with `images/`. The upload API does **not** accept a `folder`
 3. Enter connection details (bucket, endpoint, keys).
 4. **Set as default** so new uploads use it.
 
+New object-storage backends get an auto-generated **storage ID** prefix: `local` for disk; `r2-*` for R2; `cos-*` for COS; `oss-*` for OSS; `s3-*` for AWS S3 and custom S3-compatible endpoints (immutable after creation; the image index references this ID).
+
 ### Cloudflare R2
 
 | Field | Value |
@@ -52,7 +54,7 @@ Copied links use **IMAGE_BASE_URL**. “Hide folder prefix” may shorten URLs;
 ## Usage & gallery filter
 
 - Per-backend usage on the Storage page
-- Gallery filter by backend (admin)
+- Gallery filters by **storage backend** and **upload source**; grid/list view toggle
 
 ## Backup
 
diff --git a/docs-site/en/guide/users-and-permissions.md b/docs-site/en/guide/users-and-permissions.md
index 6d05741..b2c7987 100644
--- a/docs-site/en/guide/users-and-permissions.md
+++ b/docs-site/en/guide/users-and-permissions.md
@@ -14,10 +14,10 @@ PicHost uses role-based access control (RBAC): **admin** and **user**. Enforceme
 | Allow registration | ✓ | — |
 | Global API token | ✓ | — |
 | Personal API token | ✓ | ✓ |
-| Stats (incl. user count) | ✓ | partial |
-| Activity log | ✓ | — |
+| Gallery stats overview (incl. user count) | ✓ | partial |
+| Activity log (Settings → Activity log) | ✓ | — |
 
-Regular users see **API**, **Stats** in the nav; user menu: **Change password**, **Sign out**.
+Regular users see **API**, **Gallery** in the nav; user menu: **Change password**, **Sign out**.
 
 ## Auth scenarios
 
@@ -39,7 +39,7 @@ Regular users see **API**, **Stats** in the nav; user menu: **Change password**,
 
 ## Upload preferences & auto-delete
 
-- **Upload preferences** (home card flip): client compression, auto-copy links, per user
+- **Upload preferences**: admins configure client compression and auto-copy in **Settings → Basic**; regular users can flip the home upload card for personal preferences
 - **Auto-delete**: global (admin) and per-user policies; affects **new uploads after enable** only
 
 ## API tokens
diff --git a/docs-site/guide/api.md b/docs-site/guide/api.md
index f006459..e36ad1b 100644
--- a/docs-site/guide/api.md
+++ b/docs-site/guide/api.md
@@ -1,6 +1,6 @@
 # API
 
-PicHost 提供 REST 接口与 Twikoo 兼容端点。部署后登录 **API** 页可查看当前 Token 与可复制 cURL 示例。
+PicHost 提供 REST 接口与 Twikoo 兼容端点。登录后打开顶栏 **API** 页：左侧为接口目录与 Token 管理，中间为参数说明与 cURL 示例，右侧可 **在线调试** 发送请求。
 
 ## 鉴权
 
diff --git a/docs-site/guide/changelog.md b/docs-site/guide/changelog.md
index 3d84f14..9a25a26 100644
--- a/docs-site/guide/changelog.md
+++ b/docs-site/guide/changelog.md
@@ -4,6 +4,20 @@ PicHost 版本历史与重要变更说明。完整记录亦见仓库根目录 [C
 
 ---
 
+## [1.2.6] — 2026-09-01
+
+### 新增
+
+- **管理界面**：设置、API、图库、存储页 UI 重构；API 页支持在线调试
+- **图库筛选**：按存储后端筛选
+- **存储标识**：新建 R2 / COS / OSS / S3 后端按类型生成 `r2-*`、`cos-*`、`oss-*`、`s3-*` 前缀
+
+### 改进
+
+- 操作日志表格样式与路径截断
+- 存储后端卡片信息行布局
+- 文档站与 README 截图更新
+
 ## [1.2.5] — 2026-08-31
 
 ### 新增
diff --git a/docs-site/guide/configuration.md b/docs-site/guide/configuration.md
index 001e382..aacc67b 100644
--- a/docs-site/guide/configuration.md
+++ b/docs-site/guide/configuration.md
@@ -1,6 +1,4 @@
-# 环境变量
-
-PicHost 支持通过环境变量（Docker / `.env`）与后台 **设置** 页配置。多数项 **SQLite 优先**；部分项环境变量可覆盖或锁定后台编辑。
+PicHost 支持通过环境变量（Docker / `.env`）与后台 **设置** 页配置。管理员在 **设置与偏好**（`/settings`）左侧切换 **基础设置**、**域名与路径**、**访问控制**、**操作日志**；多数项 **SQLite 优先**；部分项环境变量可覆盖或锁定后台编辑。
 
 ## 优先级总览
 
diff --git a/docs-site/guide/getting-started.md b/docs-site/guide/getting-started.md
index a3216d7..e81f5a8 100644
--- a/docs-site/guide/getting-started.md
+++ b/docs-site/guide/getting-started.md
@@ -35,11 +35,11 @@ docker compose up -d
 1. 访问实例 URL（Docker 默认 `http://<主机>:6892`）。
 2. 在 `/setup` 填写管理员用户名与密码。
 3. （可选）配置网站域名、图片域名、防盗链等 — 详见 [环境变量](./configuration.md) 与 [双域名分离](./domain-separation.md)。
-4. 登录后可在首页上传图片；管理员可进入 **存储**、**设置**、**API** 页。
+4. 登录后可在首页上传图片；顶栏可进入 **图库**、**存储**（管理员）、**设置**、**API**。
 
 ## 登录
 
-访问上传、统计、设置等管理页面前需登录。在登录卡片中填写用户名与密码，**拖动滑块对齐缺口**完成验证后点击 **登录**。
+访问上传、图库、设置等管理页面前需登录。在登录卡片中填写用户名与密码，**拖动滑块对齐缺口**完成验证后点击 **登录**。
 
 ![登录页](/screenshots/login.png)
 
diff --git a/docs-site/guide/index.md b/docs-site/guide/index.md
index 6ef6611..c13bfbe 100644
--- a/docs-site/guide/index.md
+++ b/docs-site/guide/index.md
@@ -12,19 +12,15 @@
 
 ## 截图预览
 
-**main** 分支暂无公网演示，以下为 v1.2.0 产品界面。
+**main** 分支暂无公网演示，以下为当前产品界面（v1.2.5+）。
 
-| 首次设置 | 登录 |
-| :------: | :--: |
-| ![首次设置](/screenshots/setup.png) | ![登录](/screenshots/login.png) |
+| API | 图库 |
+| :-: | :-: |
+| ![API](/screenshots/api.png) | ![图库](/screenshots/gallery.png) |
 
-| API | 统计与图库 |
-| :-: | :--------: |
-| ![API](/screenshots/api.png) | ![统计与图库](/screenshots/stats.png) |
-
-| 存储管理 | 系统设置 |
-| :------: | :------: |
-| ![存储管理](/screenshots/storage.png) | ![系统设置](/screenshots/settings.png) |
+| 存储管理 | 设置与偏好 |
+| :------: | :--------: |
+| ![存储管理](/screenshots/storage.png) | ![设置与偏好](/screenshots/settings.png) |
 
 | 操作日志 |
 | :------: |
diff --git a/docs-site/guide/storage.md b/docs-site/guide/storage.md
index 543f1fa..7933a8a 100644
--- a/docs-site/guide/storage.md
+++ b/docs-site/guide/storage.md
@@ -1,6 +1,6 @@
 # 存储
 
-PicHost 支持 **本地磁盘** 与 **S3 兼容对象存储**（Cloudflare R2、腾讯云 COS、阿里云 OSS、AWS S3 等）。管理员在 **存储**（`/storage`）页管理后端；新上传写入 **默认后端**。
+PicHost 支持 **本地磁盘** 与 **S3 兼容对象存储**（Cloudflare R2、腾讯云 COS、阿里云 OSS、AWS S3 等）。管理员在 **存储**（`/storage`）页管理后端；新上传写入 **默认后端**。页面顶部展示 **存储总览**（总量、已用、剩余、使用率与容量分布），下方为各后端卡片与支持的后端类型说明。
 
 ![存储管理](/screenshots/storage.png)
 
@@ -25,6 +25,8 @@ PicHost 支持 **本地磁盘** 与 **S3 兼容对象存储**（Cloudflare R2、
 3. 填写连接信息（桶名、Endpoint、Access Key 等）。
 4. 保存后可 **设默认**，新上传将写入该后端。
 
+新建对象存储后端的 **存储标识** 按类型自动生成前缀：本地为 `local`；R2 为 `r2-*`；COS 为 `cos-*`；OSS 为 `oss-*`；AWS S3 及自定义 S3 兼容为 `s3-*`（创建后不可修改，图片索引会引用该 ID）。
+
 ### Cloudflare R2 要点
 
 | 项 | 值 |
@@ -54,7 +56,7 @@ PicHost 支持 **本地磁盘** 与 **S3 兼容对象存储**（Cloudflare R2、
 ## 用量与筛选
 
 - 存储页展示各后端用量（本地扫描目录，对象存储查询 API）
-- 图库可按存储后端筛选（管理员）
+- 图库可按 **存储后端**、**上传来源** 筛选，支持网格/列表视图切换
 
 ## 备份
 
diff --git a/docs-site/guide/users-and-permissions.md b/docs-site/guide/users-and-permissions.md
index 3682ef9..abe711f 100644
--- a/docs-site/guide/users-and-permissions.md
+++ b/docs-site/guide/users-and-permissions.md
@@ -14,10 +14,10 @@ PicHost 使用基于角色的访问控制（RBAC）：**管理员（admin）** 
 | 开放注册开关 | ✓ | — |
 | 全局 API Token 管理 | ✓ | — |
 | 个人 API Token | ✓ | ✓ |
-| 统计页（含注册用户数） | ✓ | 部分 |
-| 操作日志 | ✓ | — |
+| 图库统计概览（含注册用户数） | ✓ | 部分 |
+| 操作日志（设置 → 操作日志） | ✓ | — |
 
-普通用户顶栏：**API**、**统计**；用户菜单：**修改密码**、**退出登录**。
+普通用户顶栏：**API**、**图库**；用户菜单：**修改密码**、**退出登录**。
 
 ## 鉴权场景
 
@@ -39,7 +39,7 @@ PicHost 使用基于角色的访问控制（RBAC）：**管理员（admin）** 
 
 ## 上传偏好与自动删除
 
-- **上传偏好**（首页卡片翻转）：客户端预压缩、自动复制链接等，按用户保存
+- **上传偏好**：管理员在 **设置 → 基础设置** 配置客户端预压缩、自动复制链接等；普通用户可在首页上传卡片背面调整个人偏好
 - **自动删除**：管理员可设全局策略；用户可设个人策略。启用后仅影响 **之后新上传** 的图片
 
 ## API Token 说明
diff --git a/docs/screenshots/api.png b/docs/screenshots/api.png
index 39a33d5..1a00f2d 100644
Binary files a/docs/screenshots/api.png and b/docs/screenshots/api.png differ
diff --git a/docs/screenshots/gallery.png b/docs/screenshots/gallery.png
new file mode 100644
index 0000000..3cfc608
Binary files /dev/null and b/docs/screenshots/gallery.png differ
diff --git a/docs/screenshots/logs.png b/docs/screenshots/logs.png
index 75853b7..01ad4b6 100644
Binary files a/docs/screenshots/logs.png and b/docs/screenshots/logs.png differ
diff --git a/docs/screenshots/settings-en.png b/docs/screenshots/settings-en.png
index 799f10e..53e3073 100644
Binary files a/docs/screenshots/settings-en.png and b/docs/screenshots/settings-en.png differ
diff --git a/docs/screenshots/settings.png b/docs/screenshots/settings.png
index da75575..53e3073 100644
Binary files a/docs/screenshots/settings.png and b/docs/screenshots/settings.png differ
diff --git a/docs/screenshots/stats.png b/docs/screenshots/stats.png
index 49d40be..3cfc608 100644
Binary files a/docs/screenshots/stats.png and b/docs/screenshots/stats.png differ
diff --git a/docs/screenshots/storage.png b/docs/screenshots/storage.png
index 9e47fbd..28cf7b0 100644
Binary files a/docs/screenshots/storage.png and b/docs/screenshots/storage.png differ
diff --git a/package-lock.json b/package-lock.json
index c70e23f..b708a6a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "pichost",
-  "version": "1.2.5",
+  "version": "1.2.6",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "pichost",
-      "version": "1.2.5",
+      "version": "1.2.6",
       "hasInstallScript": true,
       "license": "GPL-3.0-only",
       "dependencies": {
diff --git a/package.json b/package.json
index 6e648c4..9c0cf56 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pichost",
-  "version": "1.2.5",
+  "version": "1.2.6",
   "description": "Self-hosted image hosting for your NAS / home server — Nuxt admin UI, local disk or S3-compatible storage, server-side WebP compression, referer protection, Twikoo/EasyImage compatible.",
   "homepage": "https://github.com/O96u/PicHost#readme",
   "repository": {
diff --git a/server/api/admin/storage/index.post.ts b/server/api/admin/storage/index.post.ts
index f5c9bca..6dc7dfa 100644
--- a/server/api/admin/storage/index.post.ts
+++ b/server/api/admin/storage/index.post.ts
@@ -10,6 +10,7 @@ import type { ServingMode } from '../../../utils/storage/types'
 
 interface StorageCreateBody {
   name?: string
+  provider?: string
   config?: {
     endpoint?: string
     region?: string
@@ -70,6 +71,7 @@ export default defineEventHandler(async (event) => {
 
   const id = insertStorageBackend({
     name,
+    provider: body.provider?.trim(),
     config,
     secrets: { accessKeyId, secretAccessKey },
     servingMode: body.servingMode,
diff --git a/server/utils/storage-backends.test.ts b/server/utils/storage-backends.test.ts
new file mode 100644
index 0000000..de627c0
--- /dev/null
+++ b/server/utils/storage-backends.test.ts
@@ -0,0 +1,40 @@
+import { describe, expect, it } from 'vitest'
+import {
+  generateStorageBackendId,
+  resolveObjectStorageIdPrefix
+} from './storage-backends'
+
+describe('resolveObjectStorageIdPrefix', () => {
+  it('uses explicit provider when given', () => {
+    expect(resolveObjectStorageIdPrefix(
+      { endpoint: 'https://example.com' },
+      'r2'
+    )).toBe('r2')
+    expect(resolveObjectStorageIdPrefix(
+      { endpoint: 'https://example.com' },
+      'aws'
+    )).toBe('s3')
+  })
+
+  it('detects provider from endpoint', () => {
+    expect(resolveObjectStorageIdPrefix({
+      endpoint: 'https://abc123.r2.cloudflarestorage.com'
+    })).toBe('r2')
+    expect(resolveObjectStorageIdPrefix({
+      endpoint: 'https://cos.ap-guangzhou.myqcloud.com'
+    })).toBe('cos')
+    expect(resolveObjectStorageIdPrefix({
+      endpoint: 'https://oss-cn-hangzhou.aliyuncs.com'
+    })).toBe('oss')
+    expect(resolveObjectStorageIdPrefix({
+      endpoint: 'https://s3.us-east-1.amazonaws.com'
+    })).toBe('s3')
+  })
+})
+
+describe('generateStorageBackendId', () => {
+  it('uses provider-specific prefix', () => {
+    expect(generateStorageBackendId('r2')).toMatch(/^r2-[0-9a-f]{8}$/)
+    expect(generateStorageBackendId('s3')).toMatch(/^s3-[0-9a-f]{8}$/)
+  })
+})
diff --git a/server/utils/storage-backends.ts b/server/utils/storage-backends.ts
index ace3017..af313aa 100644
--- a/server/utils/storage-backends.ts
+++ b/server/utils/storage-backends.ts
@@ -368,16 +368,39 @@ function getNextSortOrder(): number {
   return row.max_order + 1
 }
 
-export function generateStorageBackendId(): string {
+export type ObjectStorageIdPrefix = 'r2' | 'cos' | 'oss' | 's3'
+
+/** 根据表单预设或 endpoint 推断新建后端的 id 前缀 */
+export function resolveObjectStorageIdPrefix(
+  config: Pick<S3BackendConfig, 'endpoint'>,
+  provider?: string
+): ObjectStorageIdPrefix {
+  const normalized = provider?.trim().toLowerCase()
+  if (normalized === 'r2' || normalized === 'cos' || normalized === 'oss') {
+    return normalized
+  }
+  if (normalized === 'aws' || normalized === 's3') {
+    return 's3'
+  }
+
+  const endpoint = config.endpoint.trim().toLowerCase()
+  if (endpoint.includes('r2.cloudflarestorage.com')) return 'r2'
+  if (endpoint.includes('myqcloud.com')) return 'cos'
+  if (endpoint.includes('aliyuncs.com')) return 'oss'
+  return 's3'
+}
+
+export function generateStorageBackendId(prefix: ObjectStorageIdPrefix = 's3'): string {
   const bytes = new Uint8Array(4)
   crypto.getRandomValues(bytes)
   const suffix = Array.from(bytes, b => b.toString(16).padStart(2, '0')).join('')
-  return `s3-${suffix}`
+  return `${prefix}-${suffix}`
 }
 
 export function insertStorageBackend(input: {
   id?: string
   name: string
+  provider?: string
   config: S3BackendConfig
   secrets: { accessKeyId: string, secretAccessKey: string }
   servingMode?: ServingMode
@@ -387,7 +410,8 @@ export function insertStorageBackend(input: {
   isDefault?: boolean
 }): string {
   ensureDefaultBackends()
-  const id = input.id ?? generateStorageBackendId()
+  const idPrefix = resolveObjectStorageIdPrefix(input.config, input.provider)
+  const id = input.id ?? generateStorageBackendId(idPrefix)
   const sortOrder = getNextSortOrder()
 
   getDb().prepare(`