update bilingual

lib/views/admin/customize.html

@@ -136,7 +136,7 @@
         <div class="form-group">
           <div class="col-xs-offset-5 col-xs-6">
             <input type="hidden" name="_csrf" value="{{ csrf() }}">
-            <button type="submit" class="btn btn-primary">更新</button>
+            <button type="submit" class="btn btn-primary">{{ t('Update') }}</button>
           </div>
         </div>