diff --git a/src/pages/shijiankecheng/shijiankecheng.css b/src/pages/shijiankecheng/shijiankecheng.css
index 2be27261..f6b2f14d 100644
--- a/src/pages/shijiankecheng/shijiankecheng.css
+++ b/src/pages/shijiankecheng/shijiankecheng.css
@@ -220,10 +220,10 @@
     margin-left: auto;
     margin-right: auto;
 }
-.kc_main_box4 :hover {
+.kc_main_box4_box:hover{
     box-shadow: 0 0 12px 10px rgba(0,0,0,.1);
 }
-.kc_main_box4 :hover .kc_main_box4_box_shang img{ 
+.kc_main_box4_box:hover .kc_main_box4_box_shang img{
     transform: scale(1.2);
 }
 .kc_main_box4_box{