diff --git a/src/table/index.wc b/src/table/index.wc
index 2962fb0..d64b0c5 100644
--- a/src/table/index.wc
+++ b/src/table/index.wc
@@ -58,10 +58,12 @@ export default class Table {
           let w = flex[i]
           if (typeof w === 'number') {
             w = `flex="${w}"`
-          } else {
+          } else if (typeof w === 'string') {
             w = `style="${w}"`
+          } else {
+            w = ''
           }
-          return `<wc-td align="center" ${w}>${name}</wc-td>`
+          return `<wc-td leaf align="center" ${w}>${name}</wc-td>`
         })
         .join('')
     }
diff --git a/src/table/td.wc b/src/table/td.wc
index d859ab1..7e62a86 100644
--- a/src/table/td.wc
+++ b/src/table/td.wc
@@ -10,7 +10,7 @@
   min-width: 60px;
   min-height: 36px;
   border-right: 1px solid nth($cp, 3);
-  border-bottom: 1px solid nth($cp, 3);
+  border-top: 1px solid nth($cp, 3);
 }
 :host([flex='2']) {
   flex: 2;
diff --git a/src/table/tr.wc b/src/table/tr.wc
index f13f675..e3253a5 100644
--- a/src/table/tr.wc
+++ b/src/table/tr.wc
@@ -11,6 +11,10 @@
   background-color: #fbfbfb;
 }
 
+:host(.thead) ::slotted(wc-td[leaf]) {
+  border-top: 0;
+  // border-bottom: 1px solid nth($cp, 3);
+}
 ::slotted(wc-td:last-child) {
   border-right: 0;
 }