diff --git a/index.html b/index.html
index 270ca33..0622b3a 100644
--- a/index.html
+++ b/index.html
@@ -87,7 +87,7 @@
             width: 100%;
             /* height: 20%; */
             height:calc(100vh);
-            display: flex;
+            /* display: flex; */
             color: white;
             /*justify-content: center;*/
             align-items: center;
@@ -608,7 +608,7 @@
                     }
                     container.style.top = -index * viewHeight+index*100 + 'px'
                 }
-                // if(index==1)
+                console.log(index,"--==")
                 if(index%2==0){
                     $('.logo_wrap img').attr('src','images/logo2.png')
                     $('.nav li a').css('color','#ffffff')
@@ -647,6 +647,14 @@
         $($('.electricItem>.addIon')[0]).css('display','none')
         $($('.electricItem')[0]).css('background','rgba(19,75,161,0.8)')
         $('.electricItem').mouseenter(function(){
+            console.log($(this).parent().siblings().children().children('.addIon'))
+            $(this).css('background','rgba(19,75,161,0.8)')
+            $(this).parent().siblings().children().css('background','transparent')
+            $($(this).children()[3]).css('display','none')
+            $($(this).children()[2]).css('display','block')
+            $($(this).parent().siblings().children().children('button')).css('display','none')
+            $($(this).parent().siblings().children().children('.addIon')).css('display','block')
+            
             if($(this).children()[1].innerText=='先进材料'){
                 $('.section3').css ('background','url(images/先进材料-bg.jpg) center top no-repeat')
                 $('.second3Title>.title')[0].innerText = '先进材料'
@@ -675,11 +683,7 @@
                 $('.second3Title>.textsecond3')[0].innerHTML = '重点关注创新医药、高端医疗器械、CXO（合同研发生产组织）、BT（生物技术）+IT（信息技术）融合、产业链配套、商贸供应链、医'
             }
         })
-        $('.electricItem').mouseleave(function(){
-            // $($('.electricItem>button')[0]).css('display','block')
-            // $($('.electricItem>.addIon')[0]).css('display','none')
-            // $($('.electricItem')[0]).css('background','rgba(19,75,161,0.8)')
-        })
+      
         $('.number1').leoTextAnimate({delay:0,autorun:true,fixed:[',',':','.'],start:'-'});
         $('.number2').leoTextAnimate({delay:0,autorun:true,fixed:[',',':','.'],start:'-'});
         $('.number3').leoTextAnimate({delay:0,autorun:true,fixed:[',',':','.'],start:'-'});