更改：后台管理表头样式

app/assets/stylesheets/admin.scss

@@ -204,4 +204,10 @@ input.form-control {
     color: #23272B;
     font-size: 1rem;
   }
+}
+
+.table th, .table td {
+  padding: 0.75rem 0.1rem;
+  vertical-align: top;
+  border-top: 1px solid #dee2e6;
 }