优化看板视图---fix1

@CONTROL/看板视图/CONTROL.less.ftl

@@ -24,7 +24,6 @@
   }
   .dataview-group-content {
     border: 1px solid #ddd;
-    border-left: 0;
     flex-shrink: 0;
     height: 100%;
     display: flex;