diff --git a/public/static/web/css/style.css b/public/static/web/css/style.css
index d9904fc..963849e 100644
--- a/public/static/web/css/style.css
+++ b/public/static/web/css/style.css
@@ -847,7 +847,7 @@
 }
 
 .history .txt {
-	width: calc(60% - 40px);
+	width: calc(39% - 30px);
 }
 
 .history-title {
@@ -932,8 +932,10 @@
 }
 
 .history .img {
-	width: 40%;
-	margin-top: 168px;
+	width: 61%;
+	height: 500px;
+	margin-top: 116px;
+	overflow: hidden;
 }
 
 .history .img>span {
@@ -952,6 +954,7 @@
 
 .history .img img {
 	width: 100%;
+	min-height: 500px;
 }
 
 /* 切换按钮 */
@@ -1736,7 +1739,7 @@
 
 .srevices-more-btn{
 	display: block;
-	width: 42px;
+	width: 72px;
 	margin-top: 40px;
 	transition: all .6s;
 }
@@ -3409,6 +3412,11 @@
 	.position-sub-nav {
 		height: .9rem;
 	}
+	.position-sub-nav01{
+		width: 100% !important;
+		height: 1.2rem;
+		padding-left: 3%;
+	}
 
 	.sub-nav-bg {
 		display: flex;
@@ -3416,7 +3424,6 @@
 		width: 100%;
 		overflow: hidden;
 	}
-
 	.sub-nav {
 		display: flex;
 		justify-content: flex-start;
@@ -3446,7 +3453,7 @@
 	
 	.position-nav-bg01 {
 		background-color: #ffffff !important;
-		padding-top: .1rem;
+		padding-top: .27rem;
 	}
 	
 	.pull-section-wap{
@@ -3455,7 +3462,8 @@
 	
 	.sub-nav-bg-01{
 		position: relative;
-		padding-right: .3rem;
+		padding-right: .38rem;
+		overflow-x: auto;
 	}
 	
 	.sub-nav-bg-01::after{
@@ -3466,7 +3474,7 @@
 		background: url(../images/icon/icon-arrow-nav.png);
 		background-size: cover;
 		position: absolute;
-		top: .22rem;
+		top: .38rem;
 		z-index: 1;
 		animation: to_right_name 1.3s ease-out infinite;
 	}
@@ -3477,32 +3485,37 @@
 	
 	@keyframes to_right_name {
 		from {
-			right: .1rem;
+			right: .12rem;
 			opacity: 0;
 		}
 		to {
-			right: 0;
+			right: 0.05rem;
 			opacity: 1;
 		}
 	}
 	@keyframes to_left_name {
 		from {
-			right: 0;
+			right: 0.05rem;
 			opacity: 0;
 		}
 		to {
-			right: .1rem;
+			right: .12rem;
 			opacity: 1;
 		}
 	}
+	.sub-nav-01{
+		display: block;
+		font-size: 0;
+	}
 	
 	.sub-nav-01>a {
-		margin-left: 0;
-		margin-right: .09rem;
+		display: inline-block;
+		margin: 0;
 		font-size: .26rem;
-		line-height: .88rem;
-		padding: 0 .3rem;
-		color: #897b55;
+		line-height: 1.16rem;
+		border-right: 0.06rem solid #ffffff;
+		width: 33.333%;
+		color: #77704d;
 		background-color: #e7dab7;
 		text-align: center;
 		font-weight: normal;
@@ -3510,7 +3523,7 @@
 	}
 	
 	.sub-nav-01>a.active {
-		background-color: #dab277;
+		background-color: #deb176;
 		color: #ffffff;
 		border-bottom: 0;
 	}
@@ -3734,9 +3747,14 @@
 	.history .img {
 		width: 100%;
 		margin-top: 0;
+		height: auto;
 		padding: 0 3% .36rem;
 		border-bottom: .26rem solid #eef3f6;
 	}
+	
+	.history .img img{
+		min-height: auto;
+	}
 
 	.history .txt {
 		width: 100%;
@@ -3940,15 +3958,16 @@
 	}
 
 	.preview-swiper .swiper-slide {
+		align-items: center;
 		width: 100%;
-		padding: .18rem;
+		padding: .45rem .22rem;
 		background-color: #ffffff;
 		margin: 0 .12rem;
 	}
 
 	.preview-item .txt {
-		width: 50%;
-		padding: .15rem .2rem;
+		width: 43.2%;
+		padding: 0 0 0 .24rem;
 	}
 
 	.preview-item .txt h2 {
@@ -3966,8 +3985,8 @@
 	}
 
 	.preview-item .img {
-		height: 2.3rem;
-		width: 50%;
+		height: 2.44rem;
+		width: 56.8%;
 	}
 
 	.preview-item .img>img {
@@ -4108,7 +4127,8 @@
 		z-index: 1;
 	}
 	.srevices-more-btn{
-		width: .6rem;
+		width: .72rem;
+		margin-top: .38rem;
 	}
 	.news-nav{
 		flex-wrap: wrap;
diff --git a/public/static/web/images/icon/icon-srevices-more.png b/public/static/web/images/icon/icon-srevices-more.png
index 0ce8437..455cf53 100644
Binary files a/public/static/web/images/icon/icon-srevices-more.png and b/public/static/web/images/icon/icon-srevices-more.png differ
diff --git a/view/public/about_second.html b/view/public/about_second.html
index e94a565..1ef889d 100644
--- a/view/public/about_second.html
+++ b/view/public/about_second.html
@@ -2,7 +2,7 @@
 
 <!-- 当前位置&二级导航 -->
 <div class="position-nav-bg pull-margin bg-col-f5 {if $category['parent_id'] == 8} position-nav-bg01 {/if}"><!-- position-nav-bg01 -->
-  <div class="position-sub-nav w1360 flex">
+  <div class="position-sub-nav {if $category['parent_id'] == 8} position-sub-nav01 {/if} w1360 flex">
     <!-- 当前位置 -->
     <div class="position flex pc-show">
       <div class="img"><img src="__STATIC__/web/images/icon/icon-position.png" alt="当前位置"></span></div>
@@ -24,7 +24,7 @@
       </div>
     </div>
     <!-- 二级导航 -->
-    <div class="sub-nav-bg sub-nav-bg {if $category['parent_id'] == 8} sub-nav-bg-01 {/if}">
+    <div class="sub-nav-bg {if $category['parent_id'] == 8} sub-nav-bg-01 {/if}">
       <div class="sub-nav {if $category['parent_id'] == 8} sub-nav-01 {/if}"><!-- sub-nav-01 -->
         {foreach $childrenMenu as $childrenMenuItem}
         <a href="{:getUri($childrenMenuItem)}"  {if $category["id"] ==$childrenMenuItem['id'] || $category["parent_id"] ==$childrenMenuItem['id'] }class="active"{/if}>{$childrenMenuItem['title']}</a>