diff --git "a/docs/zh/docs/A-Tune/\344\275\277\347\224\250\346\226\271\346\263\225.md" "b/docs/zh/docs/A-Tune/\344\275\277\347\224\250\346\226\271\346\263\225.md"
index 32beaa75c305259a590649a352e60ac5c48bef77..c9c02f56be37e7073421276ce13083798dfc27b8 100644
--- "a/docs/zh/docs/A-Tune/\344\275\277\347\224\250\346\226\271\346\263\225.md"
+++ "b/docs/zh/docs/A-Tune/\344\275\277\347\224\250\346\226\271\346\263\225.md"
@@ -310,7 +310,7 @@ example.conf 可以参考如下方式书写（以下各优化项非必填，仅
     </tr>
     <tr id="zh-cn_topic_0210923698_row564581117"><td class="cellrowborder" valign="top" width="23.87%" headers="mcps1.1.3.1.1 "><p id="zh-cn_topic_0210923698_p15645911616"><a name="zh-cn_topic_0210923698_p15645911616"></a><a name="zh-cn_topic_0210923698_p15645911616"></a>--output_path, -o</p>
     </td>
-    <td class="cellrowborder" valign="top" width="76.13%" headers="mcps1.1.3.1.2 "><p id="zh-cn_topic_0210923698_p106451918120"><a name="zh-cn_topic_0210923698_p106451918120"></a><a name="zh-cn_topic_0210923698_p106451918120"></a>生成的csv文件的存放路径，需提供绝对路径</p>
+    <td class="cellrowborder" valign="top" width="76.13%" headers="mcps1.1.3.1.2 "><p id="zh-cn_topic_0210923698_p106451918120"><a name="zh-cn_topic_0210923698_p106451918120"></a><a name="zh-cn_topic_0210923698_p106451918120"></a>生成的csv文件的存放路径，需提供基于/var/atune_data/collection/的相对路径</p>
     </td>
     </tr>
     <tr id="zh-cn_topic_0210923698_row8645711115"><td class="cellrowborder" valign="top" width="23.87%" headers="mcps1.1.3.1.1 "><p id="zh-cn_topic_0210923698_p14645713117"><a name="zh-cn_topic_0210923698_p14645713117"></a><a name="zh-cn_topic_0210923698_p14645713117"></a>--disk, -b</p>