feature:

语言本地化完善；
夜间模式完善；
封装版权声明；
侧边栏sticky优化

lib/lang/en-US.js

@@ -1,4 +1,5 @@
 export default {
+  LOCALE: 'en-US',
   NAV: {
     INDEX: 'Blog',
     RSS: 'RSS',
@@ -9,6 +10,7 @@ export default {
   },
   COMMON: {
     MORE: 'More',
+    NO_MORE: 'No More',
     LATEST_POSTS: 'Latest posts',
     TAGS: 'Tags',
     NO_TAG: 'NoTag',
@@ -17,7 +19,11 @@ export default {
     SCAN_QR_CODE: 'Scan QRCode',
     URL_COPIED: 'URL has copied!',
     TABLE_OF_CONTENTS: 'Table of Contents',
-    RELATE_POSTS: 'Relate Posts'
+    RELATE_POSTS: 'Relate Posts',
+    COPYRIGHT: 'Copyright',
+    AUTHOR: 'Author',
+    URL: 'URL',
+    COPYRIGHT_NOTICE: 'All articles in this blog, except for special statements, adopt BY-NC-SA agreement. Please indicate the source!'
   },
   PAGINATION: {
     PREV: 'Prev',

lib/lang/zh-CN.js

@@ -1,4 +1,5 @@
 export default {
+  LOCALE: 'zh-CN',
   NAV: {
     INDEX: '首页',
     RSS: '订阅',
@@ -10,6 +11,7 @@ export default {
   },
   COMMON: {
     MORE: '更多',
+    NO_MORE: '没有更多了',
     LATEST_POSTS: '最新文章',
     TAGS: '标签',
     NO_TAG: 'NoTag',
@@ -18,7 +20,11 @@ export default {
     SCAN_QR_CODE: '扫一扫二维码',
     URL_COPIED: '链接已复制！',
     TABLE_OF_CONTENTS: '目录',
-    RELATE_POSTS: '相关文章'
+    RELATE_POSTS: '相关文章',
+    COPYRIGHT: '版权声明',
+    AUTHOR: '作者',
+    URL: '链接',
+    COPYRIGHT_NOTICE: '本博客所有文章除特别声明外，均采用 BY-NC-SA 许可协议。转载请注明出处！'
   },
   PAGINATION: {
     PREV: '上一页',