diff --git a/README.md b/README.md
index 7473b99..61660a2 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@
 ```yaml
 version: 1.0                 # 配置文件版本，默认 1.0
 album:
-  - name: travel             # 相册文件夹名
+  - name: travel             # 相册文件夹名（注意不能为`default`）
     friendly_name: 旅行      # 相册显示名
     preview: IMG_0001.jpg    # 预览图（一定要填写实际存在的文件名）
   - name: secret
diff --git a/build.js b/build.js
index ff7b9b7..f7e1065 100644
--- a/build.js
+++ b/build.js
@@ -76,15 +76,15 @@ const main = async () => {
   console.log('Generated meta.json.');
 
   // 创建相册目录
-  fs.mkdirSync(`${DIST_PATH}/_default`); // 默认相册
-  fs.mkdirSync(`${DIST_PATH}/_recent`); // 最近相册
+  fs.mkdirSync(`${DIST_PATH}/default`); // 默认相册
+  // fs.mkdirSync(`${DIST_PATH}/recent`); // 最近相册
   for(const i of album) {
     fs.mkdirSync(`${DIST_PATH}/${i.name}`);
     if(!i.password) { // 非加密相册
       fs.cpSync(`${ALBUM_PATH}/${i.name}`, `${DIST_PATH}/${i.name}/raw`, { recursive: true });
-      fs.mkdirSync(`${DIST_PATH}/${i.name}/_cache`);
+      fs.mkdirSync(`${DIST_PATH}/${i.name}/cache`);
       fs.readdirSync(`${DIST_PATH}/${i.name}/raw`).forEach(async j => {
-        await compress(`${DIST_PATH}/${i.name}/raw/${j}`, `${DIST_PATH}/${i.name}/_cache/${j}`);
+        await compress(`${DIST_PATH}/${i.name}/raw/${j}`, `${DIST_PATH}/${i.name}/cache/${j}`);
       });
       await compress(`${DIST_PATH}/${i.name}/raw/${i.preview}`, `${DIST_PATH}/${i.name}/preview.jpg`);
     } else { // 加密相册
@@ -104,7 +104,7 @@ const main = async () => {
   for(const i of album) {
     if(!i.password) { // 非加密相册
       const list = await getFiles(`${DIST_PATH}/${i.name}/raw/`);
-      fs.writeFileSync(`${DIST_PATH}/${i.name}/_meta.json`, JSON.stringify({ count: list.length }));
+      fs.writeFileSync(`${DIST_PATH}/${i.name}/meta.json`, JSON.stringify({ count: list.length }));
       const pageJson = [];
       for(const j of list) {
         const dimensions = sizeOf(`${DIST_PATH}/${i.name}/raw/${j}`);
@@ -120,12 +120,12 @@ const main = async () => {
       }
       const pages = splitArray(pageJson, PHOTO_PER_PAGE);
       for(let j in pages) {
-        fs.writeFileSync(`${DIST_PATH}/${i.name}/_page_${j}.json`, JSON.stringify(pages[j]));
+        fs.writeFileSync(`${DIST_PATH}/${i.name}/page_${j}.json`, JSON.stringify(pages[j]));
       }
     } else { // 加密相册
       const md5password = md5(String(i.password));
       const list = await getFiles(`${DIST_PATH}/${i.name}/${md5password}/`);
-      fs.writeFileSync(`${DIST_PATH}/${i.name}/_meta.json`, JSON.stringify({
+      fs.writeFileSync(`${DIST_PATH}/${i.name}/meta.json`, JSON.stringify({
         count: list.length - 1, // without probe.json
         secret: true,
         hint: i.hint,
@@ -145,24 +145,24 @@ const main = async () => {
       }
       const pages = splitArray(pageJson, PHOTO_PER_PAGE);
       for(let j in pages) {
-        fs.writeFileSync(`${DIST_PATH}/${i.name}/_page_${j}.json`, JSON.stringify(pages[j]));
+        fs.writeFileSync(`${DIST_PATH}/${i.name}/page_${j}.json`, JSON.stringify(pages[j]));
       }
     }
   }
   const defaultPages = splitArray(defaultJson.sort((a, b) => b.ct - a.ct), PHOTO_PER_PAGE); // 按时间倒序
   for(let i in defaultPages) {
-    fs.writeFileSync(`${DIST_PATH}/_default/_page_${i}.json`, JSON.stringify(defaultPages[i]));
+    fs.writeFileSync(`${DIST_PATH}/default/page_${i}.json`, JSON.stringify(defaultPages[i]));
   }
-  fs.writeFileSync(`${DIST_PATH}/_default/_meta.json`, JSON.stringify({ count: defaultJson.length }));
+  fs.writeFileSync(`${DIST_PATH}/default/meta.json`, JSON.stringify({ count: defaultJson.length }));
 
   // const recentJson = defaultJson.sort((a, b) => b.ct - a.ct).slice(0, RECENT_SLICE); // 按时间倒序
   // const recentPages = splitArray(recentJson, PHOTO_PER_PAGE);
   // for(let i in recentPages) {
-  //   fs.writeFileSync(`${DIST_PATH}/_recent/_page_${i}.json`, JSON.stringify(recentPages[i]));
+  //   fs.writeFileSync(`${DIST_PATH}/_recent/page_${i}.json`, JSON.stringify(recentPages[i]));
   // }
-  // fs.writeFileSync(`${DIST_PATH}/_recent/_meta.json`, JSON.stringify({ count: recentJson.length }));
+  // fs.writeFileSync(`${DIST_PATH}/_recent/meta.json`, JSON.stringify({ count: recentJson.length }));
 
-  console.log('Generated _meta.json and _page.json.');
+  console.log('Generated meta.json and page.json.');
 }
 
 main();
diff --git a/src/App.vue b/src/App.vue
index 0f71fc9..aa30408 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -50,7 +50,7 @@ export default {
     preview_current_obj: '',
     preview_password: '',
 
-    contentAlbumName: "_default",
+    contentAlbumName: "default",
     contentFriendlyName: "最近项目",
   }),
   methods: {
diff --git a/src/components/Content.vue b/src/components/Content.vue
index cb06ae8..fe99e53 100644
--- a/src/components/Content.vue
+++ b/src/components/Content.vue
@@ -114,10 +114,10 @@ export default {
   },
   computed: {
     album_get_meta_json_name() {
-      return `${this.base_name}/_meta`;
+      return `${this.base_name}/meta`;
     },
     album_get_image_at_current_page_json_name() {
-      return this.base_name + `/_page_` + String(this.current_page_to_load);
+      return this.base_name + `/page_` + String(this.current_page_to_load);
     }
   },
   watch: {
@@ -187,7 +187,7 @@ export default {
       this.response_load_new = true;
     },
     get_thumbnail_image(alumn_name ,image_name) {
-      return `${utils.publicPath}/api/${alumn_name}/${this.password}_cache/${image_name}`;
+      return `${utils.publicPath}/api/${alumn_name}/${this.password ? `${this.password}_` : ''}cache/${image_name}`;
     },
 
     async initialize() {
@@ -246,7 +246,7 @@ export default {
       // load page 0 first
       if (this.page_count > 0) {
         const args = await utils.parse_args();
-        if(args.i) { // 解决多线程异步竞争导致 _page_0 被 _default 抢先加载消耗 count++ 的问题
+        if(args.i) { // 解决多线程异步竞争导致 page_0 被 default 抢先加载消耗 count++ 的问题
           setTimeout(()=>{
             this.load_image();
           }, 10);
diff --git a/src/components/Preview.vue b/src/components/Preview.vue
index 7fafd4a..fb4222b 100644
--- a/src/components/Preview.vue
+++ b/src/components/Preview.vue
@@ -37,7 +37,7 @@ export default {
       return this.current_photo_filename.replace(/\.[a-z|A-Z|0-9]*$/g, "");
     },
     thumbnail_path() {
-      return `${utils.publicPath}/api/${this.current_album_name}/${this.password}_cache/${this.current_photo_filename}`;
+      return `${utils.publicPath}/api/${this.current_album_name}/${this.password ? `${this.password}_` : ''}cache/${this.current_photo_filename}`;
     },
     photo_path() {
       return `${utils.publicPath}/api/${this.current_album_name}/${this.password || 'raw'}/${this.current_photo_filename}`;
@@ -48,7 +48,7 @@ export default {
       this.$emit('hide-preview');
     },
     thumbnail_path_at_index(i) {
-      return `${utils.publicPath}/api/${this.image_list[i].al}/_cache/${this.image_list[i].name}`;
+      return `${utils.publicPath}/api/${this.image_list[i].al}/${this.image_list[i].name}`;
     },
     photo_path_at_index(i) {
       return `${utils.publicPath}/api/${this.image_list[i].al}/raw/${this.image_list[i].name}`;
diff --git a/src/components/Sidebar.vue b/src/components/Sidebar.vue
index fba9e38..dd08f15 100644
--- a/src/components/Sidebar.vue
+++ b/src/components/Sidebar.vue
@@ -26,13 +26,13 @@
 
     <div class="listview normal-menu-ui" style="margin-top: 5px;">
       <a v-show="show_banner" 
-        :class="selected('_default')"
-        @click="switch_album('_default', '最近项目')">
+        :class="selected('default')"
+        @click="switch_album('default', '最近项目')">
         <span>最近项目</span>
       </a>
       <!-- <a v-show="show_banner"
-        :class="selected('_recent')"
-        @click="switch_album('_recent', '最近项目')">
+        :class="selected('recent')"
+        @click="switch_album('recent', '最近项目')">
         <span>最近项目</span>
       </a> -->
       <!-- <a :class="selected('_fav')"
@@ -77,7 +77,7 @@ export default {
   components: { IconSideBar, IconBase, IconExit },
   data: () => ({
     album_list: [],
-    selected_album_name: '_default',
+    selected_album_name: 'default',
     show_banner: true,
     shouldShowSemiTransparentNavBar: false,
     publicPath: utils.publicPath,