diff --git a/core/core-frontend/src/views/chart/components/js/panel/common/common_table.ts b/core/core-frontend/src/views/chart/components/js/panel/common/common_table.ts
index a13fecd54e..92533be380 100644
--- a/core/core-frontend/src/views/chart/components/js/panel/common/common_table.ts
+++ b/core/core-frontend/src/views/chart/components/js/panel/common/common_table.ts
@@ -276,7 +276,7 @@ export function getCustomTheme(chart: Chart): S2Theme {
         }
         merge(theme, tmpTheme)
       }
-      if (tableHeader.showVerticalBorder === false) {
+      if (tableHeader.showVerticalBorder === false && tableHeader.showTableHeader !== false) {
         const tmpTheme: S2Theme = {
           splitLine: {
             verticalBorderColor: tableHeaderBgColor,
@@ -287,6 +287,12 @@ export function getCustomTheme(chart: Chart): S2Theme {
               verticalBorderColor: tableHeaderBgColor,
               verticalBorderWidth: 0
             }
+          },
+          cornerCell: {
+            cell: {
+              verticalBorderColor: tableHeaderBgColor,
+              verticalBorderWidth: 0
+            }
           }
         }
         merge(theme, tmpTheme)