diff --git a/application/views/user/header.php b/application/views/user/header.php
index 3b555b7..9a86d03 100644
--- a/application/views/user/header.php
+++ b/application/views/user/header.php
@@ -54,9 +54,9 @@
                             <!-- 简单判断用户是否登录END -->
                         </ul>
                     </div>
-                    <div class = "layui-hide-lg layui-hide-xs">
-                        <ul class="layui-nav menu" lay-filter="">
-                            <li class="layui-nav-item"><a href="found.php">探索发现</a></li>
+                    <div class = "menu layui-hide-lg layui-hide-md layui-hide-sm">
+                        <ul class="layui-nav" lay-filter="">
+                            <li class="layui-nav-item"><a href="/found"><i class="layui-icon layui-icon-search"></i> 探索发现</a></li>
                         </ul>
                     </div>
                 </div>
diff --git a/data/version.txt b/data/version.txt
index 9bf0d8b..accf0f3 100644
--- a/data/version.txt
+++ b/data/version.txt
@@ -1 +1 @@
-v2.2-20190412
\ No newline at end of file
+v2.21-20190417
\ No newline at end of file
diff --git a/static/style.css b/static/style.css
index f5da059..e14e433 100644
--- a/static/style.css
+++ b/static/style.css
@@ -4,6 +4,15 @@ body{
     width: 100%;
     color:#232323;
 }
+@media screen and (max-width:640px) {
+	body{
+    background-color: #330033;
+	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400' viewBox='0 0 800 800'%3E%3Cg fill='none' stroke='%23404' stroke-width='1'%3E%3Cpath d='M769 229L1037 260.9M927 880L731 737 520 660 309 538 40 599 295 764 126.5 879.5 40 599-197 493 102 382-31 229 126.5 79.5-69-63'/%3E%3Cpath d='M-31 229L237 261 390 382 603 493 308.5 537.5 101.5 381.5M370 905L295 764'/%3E%3Cpath d='M520 660L578 842 731 737 840 599 603 493 520 660 295 764 309 538 390 382 539 269 769 229 577.5 41.5 370 105 295 -36 126.5 79.5 237 261 102 382 40 599 -69 737 127 880'/%3E%3Cpath d='M520-140L578.5 42.5 731-63M603 493L539 269 237 261 370 105M902 382L539 269M390 382L102 382'/%3E%3Cpath d='M-222 42L126.5 79.5 370 105 539 269 577.5 41.5 927 80 769 229 902 382 603 493 731 737M295-36L577.5 41.5M578 842L295 764M40-201L127 80M102 382L-261 269'/%3E%3C/g%3E%3Cg fill='%23505'%3E%3Ccircle cx='769' cy='229' r='5'/%3E%3Ccircle cx='539' cy='269' r='5'/%3E%3Ccircle cx='603' cy='493' r='5'/%3E%3Ccircle cx='731' cy='737' r='5'/%3E%3Ccircle cx='520' cy='660' r='5'/%3E%3Ccircle cx='309' cy='538' r='5'/%3E%3Ccircle cx='295' cy='764' r='5'/%3E%3Ccircle cx='40' cy='599' r='5'/%3E%3Ccircle cx='102' cy='382' r='5'/%3E%3Ccircle cx='127' cy='80' r='5'/%3E%3Ccircle cx='370' cy='105' r='5'/%3E%3Ccircle cx='578' cy='42' r='5'/%3E%3Ccircle cx='237' cy='261' r='5'/%3E%3Ccircle cx='390' cy='382' r='5'/%3E%3C/g%3E%3C/svg%3E");
+	    background-size: cover;
+	    width: 100%;
+	    color:#232323;
+	}
+}
 .layui-input{
     background-color:rgba(255,255,255,0.3);
 }
@@ -495,6 +504,9 @@ body{
     margin-left:0.3em;
     margin-right:0.3em;
 }
+.htmlcontent{
+	color:#393D49;
+}
 #page-sidebar{
     background-color:#FFFFFF;
 }
@@ -551,10 +563,13 @@ body{
     margin-right: 0.5em;
     color:#FFFFFF;
 }
-.timeline h1, h2, h3, h4, h5, h6 ,p,li{
+#timeline .layui-timeline ul>li{
+    color:#FFFFFF;
+}
+#timeline .layui-timeline p{
     color:#FFFFFF;
 }
-.layui-text h3 {
+#timeline .layui-text h3 {
     font-weight: 500;
     color: #FFFFFF;
 }