diff --git a/packages/theme-chalk/src/table.scss b/packages/theme-chalk/src/table.scss
index 357d618537..a1a9cbe37e 100755
--- a/packages/theme-chalk/src/table.scss
+++ b/packages/theme-chalk/src/table.scss
@@ -24,12 +24,12 @@
     display: flex;
     flex-direction: column;
     height: 100%;
+
     // 表格底部伪 border，总是有的
     &::before {
       @include extend-rule(border-pseudo);
       left: 0;
-      bottom: 0px;
-      width: 100%;
+      bottom: 0;
       height: 1px;
     }
   }
@@ -125,6 +125,12 @@
     .#{$namespace}-table__cell.gutter {
       border-right-width: 1px;
     }
+
+    @include e(inner-wrapper) {
+      &::before {
+        width: 100%;
+      }
+    }
   }
 
   thead {
@@ -150,6 +156,7 @@
     position: relative;
     text-align: left;
     z-index: getCssVar('table-index');
+
     @include when(center) {
       text-align: center;
     }
@@ -190,9 +197,11 @@
   @each $size in (large, default, small) {
     @include m($size) {
       font-size: map.get($table-font-size, $size);
+
       .#{$namespace}-table__cell {
         padding: map.get($table-padding, $size);
       }
+
       .cell {
         padding: map.get($table-cell-padding, $size);
       }
@@ -314,6 +323,7 @@
 
   @include e((header-wrapper, body-wrapper, footer-wrapper)) {
     width: 100%;
+
     tr {
       td,
       th {
@@ -322,6 +332,7 @@
           position: sticky !important;
           background: inherit;
           z-index: calc(getCssVar('table-index') + 1);
+
           &.is-last-column,
           &.is-first-column {
             &::before {
@@ -337,11 +348,13 @@
               pointer-events: none;
             }
           }
+
           &.is-first-column {
             &::before {
               left: -10px;
             }
           }
+
           &.is-last-column {
             &::before {
               right: -10px;
@@ -349,6 +362,7 @@
             }
           }
         }
+
         &.#{$namespace}-table__fixed-right-patch {
           position: sticky !important;
           z-index: calc(getCssVar('table-index') + 1);
@@ -361,6 +375,7 @@
 
   @include e(header-wrapper) {
     flex-shrink: 0;
+
     tr {
       th {
         &.#{$namespace}-table-fixed-column--left,
@@ -402,6 +417,7 @@
         align-items: center;
         height: 23px;
       }
+
       .#{$namespace}-checkbox {
         height: unset;
       }
@@ -414,6 +430,7 @@
         box-shadow: getCssVar('table-fixed-right-column');
       }
     }
+
     &.#{$namespace}-table--border {
       .#{$namespace}-table-fixed-column--left {
         &.is-last-column {
@@ -423,6 +440,7 @@
         }
       }
     }
+
     th.#{$namespace}-table-fixed-column--left {
       background-color: getCssVar('table-header-bg-color');
     }
@@ -434,9 +452,11 @@
         box-shadow: getCssVar('table-fixed-left-column');
       }
     }
+
     .#{$namespace}-table-fixed-column--left.is-last-column.#{$namespace}-table__cell {
       border-right: none;
     }
+
     th.#{$namespace}-table-fixed-column--right {
       background-color: getCssVar('table-header-bg-color');
     }
@@ -446,11 +466,13 @@
     .#{$namespace}-table-fixed-column--left.is-last-column.#{$namespace}-table__cell {
       border-right: none;
     }
+
     .#{$namespace}-table-fixed-column--right.is-first-column {
       &::before {
         box-shadow: getCssVar('table-fixed-right-column');
       }
     }
+
     .#{$namespace}-table-fixed-column--left.is-last-column {
       &::before {
         box-shadow: getCssVar('table-fixed-left-column');
@@ -479,6 +501,7 @@
     overflow: hidden;
     position: relative;
     flex: 1;
+
     .#{$namespace}-scrollbar__bar {
       z-index: calc(getCssVar('table-index') + 2);
     }