diff --git a/content/zh/docs/Developerguide/GS_TXN_SNAPSHOT.md b/content/zh/docs/Developerguide/GS_TXN_SNAPSHOT.md
index affb31f7902054f5d3dac8c8cd54ca2475cd6c8c..1dc883bc033aa9d12cf3e5804dce071998bf8c2d 100644
--- a/content/zh/docs/Developerguide/GS_TXN_SNAPSHOT.md
+++ b/content/zh/docs/Developerguide/GS_TXN_SNAPSHOT.md
@@ -17,28 +17,28 @@ GS\_TXN\_SNAPSHOT是“时间戳-CSN”映射表，周期性采样，并维护
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 <td class="cellrowborder" valign="top" width="18.08180818081808%" headers="mcps1.2.4.1.2 "><p id="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p1470517367198"><a name="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p1470517367198"></a><a name="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p1470517367198"></a>timestamptz</p>
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-<td class="cellrowborder" valign="top" width="61.786178617861786%" headers="mcps1.2.4.1.3 "><p id="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p470503601915"><a name="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p470503601915"></a><a name="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p470503601915"></a>快照捕获时间</p>
+<td class="cellrowborder" valign="top" width="61.786178617861786%" headers="mcps1.2.4.1.3 "><p id="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p470503601915"><a name="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p470503601915"></a><a name="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p470503601915"></a>快照捕获时间。</p>
 </td>
 </tr>
 <tr id="zh-cn_topic_0283137196_zh-cn_topic_0237122301_row870533671915"><td class="cellrowborder" valign="top" width="20.13201320132013%" headers="mcps1.2.4.1.1 "><p id="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p1670683617193"><a name="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p1670683617193"></a><a name="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p1670683617193"></a>snpxmin</p>
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 <td class="cellrowborder" valign="top" width="18.08180818081808%" headers="mcps1.2.4.1.2 "><p id="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p13706153610194"><a name="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p13706153610194"></a><a name="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p13706153610194"></a>bigint</p>
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-<td class="cellrowborder" valign="top" width="61.786178617861786%" headers="mcps1.2.4.1.3 "><p id="p15173114115017"><a name="p15173114115017"></a><a name="p15173114115017"></a>快照xmin</p>
+<td class="cellrowborder" valign="top" width="61.786178617861786%" headers="mcps1.2.4.1.3 "><p id="p15173114115017"><a name="p15173114115017"></a><a name="p15173114115017"></a>快照xmin。</p>
 </td>
 </tr>
 <tr id="zh-cn_topic_0283137196_zh-cn_topic_0237122301_row470616364192"><td class="cellrowborder" valign="top" width="20.13201320132013%" headers="mcps1.2.4.1.1 "><p id="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p197066366199"><a name="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p197066366199"></a><a name="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p197066366199"></a>snpcsn</p>
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 <td class="cellrowborder" valign="top" width="18.08180818081808%" headers="mcps1.2.4.1.2 "><p id="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p4706133631911"><a name="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p4706133631911"></a><a name="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p4706133631911"></a>bigint</p>
 </td>
-<td class="cellrowborder" valign="top" width="61.786178617861786%" headers="mcps1.2.4.1.3 "><p id="p1047215715010"><a name="p1047215715010"></a><a name="p1047215715010"></a>快照csn</p>
+<td class="cellrowborder" valign="top" width="61.786178617861786%" headers="mcps1.2.4.1.3 "><p id="p1047215715010"><a name="p1047215715010"></a><a name="p1047215715010"></a>快照csn。</p>
 </td>
 </tr>
 <tr id="zh-cn_topic_0283137196_zh-cn_topic_0237122301_row3706143601913"><td class="cellrowborder" valign="top" width="20.13201320132013%" headers="mcps1.2.4.1.1 "><p id="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p770713610197"><a name="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p770713610197"></a><a name="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p770713610197"></a>snpsnapshot</p>
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 <td class="cellrowborder" valign="top" width="18.08180818081808%" headers="mcps1.2.4.1.2 "><p id="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p127071361199"><a name="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p127071361199"></a><a name="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p127071361199"></a>TEXT</p>
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-<td class="cellrowborder" valign="top" width="61.786178617861786%" headers="mcps1.2.4.1.3 "><p id="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p9707203619192"><a name="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p9707203619192"></a><a name="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p9707203619192"></a>快照序列化文本</p>
+<td class="cellrowborder" valign="top" width="61.786178617861786%" headers="mcps1.2.4.1.3 "><p id="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p9707203619192"><a name="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p9707203619192"></a><a name="zh-cn_topic_0283137196_zh-cn_topic_0237122301_p9707203619192"></a>快照序列化文本。</p>
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