给变更的CSS加上版本号

views/document/default_read.tpl

@@ -19,11 +19,11 @@
     <link href="{{cdncss "/static/jstree/3.3.4/themes/default/style.min.css"}}" rel="stylesheet">
     <link href="{{cdncss "/static/font-awesome/css/font-awesome.min.css"}}" rel="stylesheet">
     <link href="{{cdncss "/static/nprogress/nprogress.css"}}" rel="stylesheet">
-    <link href="{{cdncss "/static/css/kancloud.css"}}" rel="stylesheet">
+    <link href="{{cdncss "/static/css/kancloud.css"}}?_=1531286622" rel="stylesheet">
     <link href="{{cdncss "/static/css/jstree.css"}}" rel="stylesheet">
     <link href="{{cdncss "/static/editor.md/css/editormd.preview.css"}}" rel="stylesheet">
     <link href="{{cdncss "/static/prettify/themes/prettify.css"}}" rel="stylesheet">
-    <link href="{{cdncss "/static/css/markdown.preview.css"}}" rel="stylesheet">
+    <link href="{{cdncss "/static/css/markdown.preview.css?_=1531286622"}}" rel="stylesheet">
     <link href="{{cdncss "/static/highlight/styles/vs.css"}}" rel="stylesheet">
     <link href="{{cdncss "/static/katex/katex.min.css"}}" rel="stylesheet">
     <link href="{{cdncss "/static/css/print.css"}}" media="print" rel="stylesheet">

views/document/kancloud_read_template.tpl

@@ -11,8 +11,8 @@
     <link href="{{cdncss "/static/bootstrap/css/bootstrap.min.css"}}" rel="stylesheet">
     <link href="{{cdncss "/static/font-awesome/css/font-awesome.min.css"}}" rel="stylesheet">
     <link href="{{cdncss "/static/jstree/3.3.4/themes/default/style.min.css"}}" rel="stylesheet">
-    <link href="{{cdncss "/static/css/kancloud.css"}}" rel="stylesheet">
-    <link href="/static/jquery/plugins/imgbox/imgbox.css" rel="stylesheet">
+    <link href="{{cdncss "/static/css/kancloud.css"}}?_=1531286622" rel="stylesheet">
+    <link href="{{cdncss "/static/jquery/plugins/imgbox/imgbox.css"}}?_=1531286622" rel="stylesheet">
     <!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries -->
     <!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
     <!--[if lt IE 9]>