数据连接样式调整

src/components/dataConnect/list.less

@@ -23,6 +23,9 @@
                 display: flex;
                 flex-wrap: wrap;
                 justify-content: center;
+                &:before {
+                    content: none;
+                }
                 .dataconnect-card {
                     width: 160px;
                     height: 160px;