表头resizeresize

src/view/Manage/VirtualTable/index.less

@@ -28,6 +28,13 @@
         transition: background-color .3s;
         content: "";
       }
+
+      &:after {
+        width: 8px;
+        right: 0;
+        top: 0;
+        bottom: 0;
+      }
     }
   }