diff --git a/themes/googleimage/controller/ListController.php b/themes/googleimage/controller/ListController.php
index cbd0850..0439719 100644
--- a/themes/googleimage/controller/ListController.php
+++ b/themes/googleimage/controller/ListController.php
@@ -35,6 +35,9 @@ Class ListController extends Controller {
         $breadcrumbs = $this->getBreadcrumbs($menus, $subcate);
 
         $pageTitle = !empty($titles) ? $titles[0]['name'] : "FileSite.io - 无数据库、基于文件和目录的Markdown文档、网址导航、图书、图片、视频网站PHP开源系统";
+        if (!empty($subcate)) {
+            $pageTitle = "{$subcate['directory']}的照片，来自{$pageTitle}";
+        }
         $viewName = '//site/index';     //共享视图
         $params = compact('cateId', 'dirTree', 'scanResults', 'menus', 'html', 'breadcrumbs');
         return $this->render($viewName, $params, $pageTitle);
diff --git a/themes/googleimage/controller/SiteController.php b/themes/googleimage/controller/SiteController.php
index c8fa918..74a4696 100644
--- a/themes/googleimage/controller/SiteController.php
+++ b/themes/googleimage/controller/SiteController.php
@@ -30,7 +30,11 @@ Class SiteController extends Controller {
             $html = $scanner->fixMDUrls($readmeFile['realpath'], $html);
         }
 
+        $subcate = $scanResults[$cateId];
         $pageTitle = !empty($titles) ? $titles[0]['name'] : "FileSite.io - 无数据库、基于文件和目录的Markdown文档、网址导航、图书、图片、视频网站PHP开源系统";
+        if (!empty($subcate)) {
+            $pageTitle = "{$subcate['directory']}的照片，来自{$pageTitle}";
+        }
         $viewName = 'index';
         $params = compact('cateId', 'dirTree', 'scanResults', 'menus', 'html');
         return $this->render($viewName, $params, $pageTitle);
diff --git a/themes/googleimage/views/layout/main.php b/themes/googleimage/views/layout/main.php
index b4d850b..10a4414 100644
--- a/themes/googleimage/views/layout/main.php
+++ b/themes/googleimage/views/layout/main.php
@@ -96,6 +96,7 @@ eof;
     <script src="/js/js.cookie.min.js"></script>
     <script src="/js/main.js?v.1.0"></script>
     <!--for theme googleimage-->
+    <script src="/js/lazysizes.min.js"></script>
     <script src="/js/blueimp-gallery.min.js"></script>
     <script src="/js/googleimage.js?v<?=Html::getStaticFileVersion('googleimage.js', 'js')?>"></script>
 </body>
diff --git a/themes/googleimage/views/site/index.php b/themes/googleimage/views/site/index.php
index 9768dd4..3b36725 100644
--- a/themes/googleimage/views/site/index.php
+++ b/themes/googleimage/views/site/index.php
@@ -53,7 +53,7 @@ eof;
 
 				if (!empty($dir['snapshot'])) {
 					echo <<<eof
-	<img src="{$dir['snapshot']}" alt="{$dir['directory']}">
+	<img data-src="{$dir['snapshot']}" class="lazyload" alt="{$dir['directory']}">
 eof;
 				}else if (!empty($dir['files'])) {
 					$first_img = array_shift($dir['files']);
@@ -68,7 +68,7 @@ eof;
 
 					if (in_array($first_img['extension'], $imgExts)) {
 						echo <<<eof
-	<img src="{$first_img['path']}" alt="{$first_img['filename']}">
+	<img data-src="{$first_img['path']}" class="lazyload" alt="{$first_img['filename']}">
 eof;
 					}
 				}
@@ -83,7 +83,7 @@ eof;
 				if (!in_array($file['extension'], $imgExts)) {continue;}
 				echo <<<eof
 	<a href="{$file['path']}" class="img-item img-preview" target="_blank">
-		<img src="{$file['path']}" alt="{$file['filename']}">
+		<img data-src="{$file['path']}" class="lazyload" alt="{$file['filename']}">
 		<strong>{$file['filename']}</strong>
 	</a>
 eof;
diff --git a/www/js/lazysizes.min.js b/www/js/lazysizes.min.js
new file mode 100644
index 0000000..35b726a
--- /dev/null
+++ b/www/js/lazysizes.min.js
@@ -0,0 +1,3 @@
+/*! lazysizes - v5.3.2 */
+
+!function(e){var t=function(u,D,f){"use strict";var k,H;if(function(){var e;var t={lazyClass:"lazyload",loadedClass:"lazyloaded",loadingClass:"lazyloading",preloadClass:"lazypreload",errorClass:"lazyerror",autosizesClass:"lazyautosizes",fastLoadedClass:"ls-is-cached",iframeLoadMode:0,srcAttr:"data-src",srcsetAttr:"data-srcset",sizesAttr:"data-sizes",minSize:40,customMedia:{},init:true,expFactor:1.5,hFac:.8,loadMode:2,loadHidden:true,ricTimeout:0,throttleDelay:125};H=u.lazySizesConfig||u.lazysizesConfig||{};for(e in t){if(!(e in H)){H[e]=t[e]}}}(),!D||!D.getElementsByClassName){return{init:function(){},cfg:H,noSupport:true}}var O=D.documentElement,i=u.HTMLPictureElement,P="addEventListener",$="getAttribute",q=u[P].bind(u),I=u.setTimeout,U=u.requestAnimationFrame||I,o=u.requestIdleCallback,j=/^picture$/i,r=["load","error","lazyincluded","_lazyloaded"],a={},G=Array.prototype.forEach,J=function(e,t){if(!a[t]){a[t]=new RegExp("(\\s|^)"+t+"(\\s|$)")}return a[t].test(e[$]("class")||"")&&a[t]},K=function(e,t){if(!J(e,t)){e.setAttribute("class",(e[$]("class")||"").trim()+" "+t)}},Q=function(e,t){var a;if(a=J(e,t)){e.setAttribute("class",(e[$]("class")||"").replace(a," "))}},V=function(t,a,e){var i=e?P:"removeEventListener";if(e){V(t,a)}r.forEach(function(e){t[i](e,a)})},X=function(e,t,a,i,r){var n=D.createEvent("Event");if(!a){a={}}a.instance=k;n.initEvent(t,!i,!r);n.detail=a;e.dispatchEvent(n);return n},Y=function(e,t){var a;if(!i&&(a=u.picturefill||H.pf)){if(t&&t.src&&!e[$]("srcset")){e.setAttribute("srcset",t.src)}a({reevaluate:true,elements:[e]})}else if(t&&t.src){e.src=t.src}},Z=function(e,t){return(getComputedStyle(e,null)||{})[t]},s=function(e,t,a){a=a||e.offsetWidth;while(a<H.minSize&&t&&!e._lazysizesWidth){a=t.offsetWidth;t=t.parentNode}return a},ee=function(){var a,i;var t=[];var r=[];var n=t;var s=function(){var e=n;n=t.length?r:t;a=true;i=false;while(e.length){e.shift()()}a=false};var 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\ No newline at end of file