message: Fix table head overlap issue
diff: @border-color-base: #d9d9d9; // major border color
  @box-shadow-base: 0 2px 8px rgba(0, 0, 0, 0.15); // major shadow for layers
  @font-family: "Heebo", sans-serif, Microsoft YaHei !important;
  +@bg-light-color: #f8f9fa;
  +@white-color: #fff;
  * {
  -moz-box-sizing: border-box;
  @@ -298,11 +300,11 @@ body {
  input {
  font: unset !important;
  - font-family: "Heebo", sans-serif, Microsoft YaHei !important;
  + font-family: @font-family;
  }
  .ant-statistic-content {
  - font-family: "Heebo", sans-serif, Microsoft YaHei !important;
  + font-family: @font-family;
  font-size: 42px;
  font-weight: 100 !important;
  }
  @@ -543,7 +545,7 @@ span.ellipsis-text {
  }
  .bg-light {
  - background-color: #f8f9fa !important;
  + background-color: @bg-light-color !important;
  }
  .monospace-code {
  font-family: SFMono-Regular, Menlo, Monaco, Consolas, Liberation Mono,
  @@ -555,5 +557,12 @@ span.ellipsis-text {
  }
  .ant-table-thead > tr > th {
  - background-color: unset !important;
  + background-color: @white-color !important;
  +}
  +
  +.ant-table-thead > tr:first-child > th:first-child {
  + border-top-left-radius: 0px;
  +}
  +.ant-table-thead > tr:first-child > th:last-child {
  + border-top-right-radius: 0px;
  }
  