diff --git a/extend/catcher/library/table/ComponentsTrait.php b/extend/catcher/library/table/ComponentsTrait.php
index afb5ee4..7600543 100644
--- a/extend/catcher/library/table/ComponentsTrait.php
+++ b/extend/catcher/library/table/ComponentsTrait.php
@@ -84,4 +84,16 @@ trait ComponentsTrait
     {
         return $this->component('preview', $field ? : $this->attributes['prop']);
     }
+
+    /**
+     * download 组件
+     *
+     * @time 2021年05月05日
+     * @param null $field
+     * @return ComponentsTrait|HeaderItem
+     */
+    public function withDownloadComponent($field = null)
+    {
+        return $this->component('download', $field ? : $this->attributes['prop']);
+    }
 }
diff --git a/extend/catcher/library/table/HeaderItem.php b/extend/catcher/library/table/HeaderItem.php
index b0d84b8..7c5d4c6 100644
--- a/extend/catcher/library/table/HeaderItem.php
+++ b/extend/catcher/library/table/HeaderItem.php
@@ -73,6 +73,29 @@ class HeaderItem
         return $this->width(50)->type('selection');
     }
 
+    /**
+     * 展开行
+     *
+     * @time 2021年05月07日
+     * @return mixed
+     */
+    public function expand()
+    {
+        return $this->type('expand');
+    }
+
+    /**
+     * 固定列
+     *
+     * @time 2021年05月07日
+     * @param bool|string $fixed
+     * @return bool|mixed
+     */
+    public function fixed($fixed = true)
+    {
+        return $this->attributes['fixed'] = $fixed;
+    }
+
     /**
      * dont export
      *
diff --git a/extend/catcher/library/table/Table.php b/extend/catcher/library/table/Table.php
index 0cbc733..cb05184 100644
--- a/extend/catcher/library/table/Table.php
+++ b/extend/catcher/library/table/Table.php
@@ -104,6 +104,12 @@ class Table
      */
     protected $excel = [];
 
+    /**
+     * 斑马纹
+     *
+     * @var bool
+     */
+    protected $stripe = false;
 
     /**
      * 导出 excel 所使用 model
@@ -112,6 +118,12 @@ class Table
      */
     protected $usedModel;
 
+    /**
+     * 固定表头
+     *
+     * @var int
+     */
+    protected $height;
 
     /**
      * 树状展开
@@ -333,6 +345,33 @@ class Table
         return $this;
     }
 
+    /**
+     * 开启斑马纹
+     *
+     * @time 2021年05月07日
+     * @return $this
+     */
+    public function withStripe(): Table
+    {
+        $this->stripe = true;
+
+        return $this;
+    }
+
+    /**
+     * 固定表头
+     *
+     * @time 2021年05月07日
+     * @param int $height
+     * @return $this
+     */
+    public function withHeight(int $height): Table
+    {
+        $this->height = $height;
+
+        return $this;
+    }
+
     /**
      * 导出路由
      *