diff --git a/docs/sdrs/api-ref/en-us_topic_0108184469.html b/docs/sdrs/api-ref/en-us_topic_0108184469.html
index dec19cec9..bfbb8056f 100644
--- a/docs/sdrs/api-ref/en-us_topic_0108184469.html
+++ b/docs/sdrs/api-ref/en-us_topic_0108184469.html
@@ -8,7 +8,12 @@
 </th>
 </tr>
 </thead>
-<tbody><tr id="EN-US_TOPIC_0108184469__row1230382493217"><td class="cellrowborder" valign="top" width="37%" headers="mcps1.3.1.1.3.1.1 "><p id="EN-US_TOPIC_0108184469__p23032244324">2025-10-20</p>
+<tbody><tr id="EN-US_TOPIC_0108184469__row611116258239"><td class="cellrowborder" valign="top" width="37%" headers="mcps1.3.1.1.3.1.1 "><p id="EN-US_TOPIC_0108184469__p211172516233">2026-02-26</p>
+</td>
+<td class="cellrowborder" valign="top" width="63%" headers="mcps1.3.1.1.3.1.2 "><p id="EN-US_TOPIC_0108184469__p01111625182311">Added constraints in <a href="sdrs_05_0501.html">Creating a Protected Instance</a>.</p>
+</td>
+</tr>
+<tr id="EN-US_TOPIC_0108184469__row1230382493217"><td class="cellrowborder" valign="top" width="37%" headers="mcps1.3.1.1.3.1.1 "><p id="EN-US_TOPIC_0108184469__p23032244324">2025-10-20</p>
 </td>
 <td class="cellrowborder" valign="top" width="63%" headers="mcps1.3.1.1.3.1.2 "><p id="EN-US_TOPIC_0108184469__p17303224113211">Optimized some descriptions.</p>
 </td>
@@ -97,7 +102,7 @@
 <tr id="EN-US_TOPIC_0108184469__row248417224468"><td class="cellrowborder" valign="top" width="37%" headers="mcps1.3.1.1.3.1.1 "><p id="EN-US_TOPIC_0108184469__p654353722">2018-10-12</p>
 </td>
 <td class="cellrowborder" valign="top" width="63%" headers="mcps1.3.1.1.3.1.2 "><p id="EN-US_TOPIC_0108184469__p1854363526">Modified the following content:</p>
-<ul id="EN-US_TOPIC_0108184469__ul174413524417"><li id="EN-US_TOPIC_0108184469__li127441652940">Descriptions of <strong id="EN-US_TOPIC_0108184469__b842352706103313">disaster_recovery_drill_num</strong> in <a href="sdrs_05_0402.html">Querying Protection Groups</a></li><li id="EN-US_TOPIC_0108184469__li2074419521347">Descriptions of <strong id="EN-US_TOPIC_0108184469__b1366720389">test_vpc_id</strong> in <a href="sdrs_05_0402.html">Querying Protection Groups</a></li></ul>
+<ul id="EN-US_TOPIC_0108184469__ul174413524417"><li id="EN-US_TOPIC_0108184469__li127441652940">Descriptions of <strong id="EN-US_TOPIC_0108184469__b842352706103313">disaster_recovery_drill_num</strong> in <a href="sdrs_05_0402.html">Querying Protection Groups</a></li><li id="EN-US_TOPIC_0108184469__li2074419521347">Descriptions of <strong id="EN-US_TOPIC_0108184469__b1796822719">test_vpc_id</strong> in <a href="sdrs_05_0402.html">Querying Protection Groups</a></li></ul>
 </td>
 </tr>
 <tr id="EN-US_TOPIC_0108184469__row070034442910"><td class="cellrowborder" valign="top" width="37%" headers="mcps1.3.1.1.3.1.1 "><p id="EN-US_TOPIC_0108184469__p812294912292">2018-09-29</p>
@@ -125,7 +130,7 @@
 <td class="cellrowborder" valign="top" width="63%" headers="mcps1.3.1.1.3.1.2 "><p id="EN-US_TOPIC_0108184469__p1882861118716">Added the following content:</p>
 <ul id="EN-US_TOPIC_0108184469__ul166541586262"><li id="EN-US_TOPIC_0108184469__li0128039194919">Descriptions of the job execution status in <a href="sdrs_05_0101.html">Querying the Job Status</a></li><li id="EN-US_TOPIC_0108184469__li7654178172613">Descriptions of the active-active domain in <a href="sdrs_05_0301.html">Querying an Active-Active Domain</a></li><li id="EN-US_TOPIC_0108184469__li7935191714269">Error codes SDRS.0221 and SDRS.0222</li></ul>
 <p id="EN-US_TOPIC_0108184469__p06851957142520">Modified the following content:</p>
-<ul id="EN-US_TOPIC_0108184469__ul7210314105817"><li id="EN-US_TOPIC_0108184469__li1743741715819">Error code descriptions in <a href="en-us_topic_0113127626.html">Error Codes</a></li><li id="EN-US_TOPIC_0108184469__li11111128154120">Changed SDRS.0218 to SDRS.0219.</li><li id="EN-US_TOPIC_0108184469__li752983613587">Descriptions of <strong id="EN-US_TOPIC_0108184469__b1262039188">dr_type</strong></li></ul>
+<ul id="EN-US_TOPIC_0108184469__ul7210314105817"><li id="EN-US_TOPIC_0108184469__li1743741715819">Error code descriptions in <a href="en-us_topic_0113127626.html">Error Codes</a></li><li id="EN-US_TOPIC_0108184469__li11111128154120">Changed SDRS.0218 to SDRS.0219.</li><li id="EN-US_TOPIC_0108184469__li752983613587">Descriptions of <strong id="EN-US_TOPIC_0108184469__b1745955904">dr_type</strong></li></ul>
 <p id="EN-US_TOPIC_0108184469__p1254733143215">Deleted the following content:</p>
 <ul id="EN-US_TOPIC_0108184469__ul1956273110324"><li id="EN-US_TOPIC_0108184469__li7562103114323">Section "Adding a NIC to a Protected Instance"</li><li id="EN-US_TOPIC_0108184469__li5562431143212">Section "Deleting a NIC from a Protected Instance"</li></ul>
 </td>
diff --git a/docs/sdrs/api-ref/en-us_topic_0113127626.html b/docs/sdrs/api-ref/en-us_topic_0113127626.html
index 17252fbe3..05ad82249 100644
--- a/docs/sdrs/api-ref/en-us_topic_0113127626.html
+++ b/docs/sdrs/api-ref/en-us_topic_0113127626.html
@@ -286,7 +286,7 @@
 </td>
 <td class="cellrowborder" valign="top" width="23.61%" headers="mcps1.3.1.1.6.1.4 "><p id="EN-US_TOPIC_0113127626__p4871153518158">Invalid <strong id="EN-US_TOPIC_0113127626__b384685958185830">offset</strong> value. The value cannot be negative and must be an integer.</p>
 </td>
-<td class="cellrowborder" valign="top" width="28.27%" headers="mcps1.3.1.1.6.1.5 "><p id="EN-US_TOPIC_0113127626__p188711035121512">Use a valid <strong id="EN-US_TOPIC_0113127626__b818139407">offset</strong> value.</p>
+<td class="cellrowborder" valign="top" width="28.27%" headers="mcps1.3.1.1.6.1.5 "><p id="EN-US_TOPIC_0113127626__p188711035121512">Use a valid <strong id="EN-US_TOPIC_0113127626__b1098441230">offset</strong> value.</p>
 </td>
 </tr>
 <tr id="EN-US_TOPIC_0113127626__row3480163931817"><td class="cellrowborder" valign="top" width="9.6%" headers="mcps1.3.1.1.6.1.1 "><p id="EN-US_TOPIC_0113127626__p18480039161817">400</p>
@@ -2168,7 +2168,7 @@
 </td>
 <td class="cellrowborder" valign="top" width="23.61%" headers="mcps1.3.1.1.6.1.4 "><p id="EN-US_TOPIC_0113127626__p16666153616356">The subnet quota is insufficient.</p>
 </td>
-<td class="cellrowborder" valign="top" width="28.27%" headers="mcps1.3.1.1.6.1.5 "><p id="EN-US_TOPIC_0113127626__p13666136183512">Delete unused subnets or <span id="EN-US_TOPIC_0113127626__text1566619369353">customer service</span> to increase the subnet quota.</p>
+<td class="cellrowborder" valign="top" width="28.27%" headers="mcps1.3.1.1.6.1.5 "><p id="EN-US_TOPIC_0113127626__p13666136183512">Delete unused subnets or contact <span id="EN-US_TOPIC_0113127626__text1566619369353">customer service</span> to increase the subnet quota.</p>
 </td>
 </tr>
 <tr id="EN-US_TOPIC_0113127626__row104467486376"><td class="cellrowborder" valign="top" width="9.6%" headers="mcps1.3.1.1.6.1.1 "><p id="EN-US_TOPIC_0113127626__p11387134813714">400</p>
@@ -2342,7 +2342,7 @@
 </td>
 <td class="cellrowborder" valign="top" width="24.38%" headers="mcps1.3.1.1.6.1.3 "><p id="EN-US_TOPIC_0113127626__p14001448153717">Null value in the <strong id="EN-US_TOPIC_0113127626__b194004488373">matches</strong> parameter</p>
 </td>
-<td class="cellrowborder" valign="top" width="23.61%" headers="mcps1.3.1.1.6.1.4 "><p id="EN-US_TOPIC_0113127626__p640074815377">The value in the <strong id="EN-US_TOPIC_0113127626__b2032017808">matches</strong> parameter is null.</p>
+<td class="cellrowborder" valign="top" width="23.61%" headers="mcps1.3.1.1.6.1.4 "><p id="EN-US_TOPIC_0113127626__p640074815377">The value in the <strong id="EN-US_TOPIC_0113127626__b668418648">matches</strong> parameter is null.</p>
 </td>
 <td class="cellrowborder" valign="top" width="28.27%" headers="mcps1.3.1.1.6.1.5 "><p id="EN-US_TOPIC_0113127626__p1240064803720">Enter the correct parameter value and then try again.</p>
 </td>
diff --git a/docs/sdrs/api-ref/sdrs_05_0501.html b/docs/sdrs/api-ref/sdrs_05_0501.html
index c6d5bed1f..50392f350 100644
--- a/docs/sdrs/api-ref/sdrs_05_0501.html
+++ b/docs/sdrs/api-ref/sdrs_05_0501.html
@@ -5,7 +5,8 @@
 </div>
 <div class="section" id="sdrs_05_0501__section15345162453414"><h4 class="sectiontitle">Constraints and Limitations</h4><ul id="sdrs_05_0501__ul26007272341"><li id="sdrs_05_0501__li1492711091912"><strong id="sdrs_05_0501__b1149752216598">status</strong> of the protection group must be <strong id="sdrs_05_0501__b3498322135913">available</strong> or <strong id="sdrs_05_0501__b1849942245912">protected</strong>.</li><li id="sdrs_05_0501__li121131017154317">No shared disk has been attached to the server. </li><li id="sdrs_05_0501__li1985112208578">One server can be used to create only one protected instance.</li><li id="sdrs_05_0501__li2631354131116">The server must be in the same VPC as the protection group.</li><li id="sdrs_05_0501__li08501011165420">The physical host housing the production site server cannot be a DeH.</li><li id="sdrs_05_0501__li1976219583318">If protection is enabled for servers created during capacity expansion of an Auto Scaling (AS) group, these servers cannot be deleted when the capacity of the AS group is reduced.</li><li id="sdrs_05_0501__li773714117292">If the server at the production site runs Windows and you choose the key login mode, ensure that the key pair of the server exists when you create a protected instance. Otherwise, the server at the DR site may fail to create, causing the protected instance creation failure.<div class="note" id="sdrs_05_0501__note1499218295429"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="sdrs_05_0501__p19992129184210">If the key pair of the production site server has been deleted, create a key pair with the same name.</p>
 </div></div>
-</li><li id="sdrs_05_0501__li134831826131818">After you create a protected instance and enable protection on servers at the production site, modifications to the <strong id="sdrs_05_0501__sdrs_05_0406_b18397184118478">Hostname</strong>, <strong id="sdrs_05_0501__sdrs_05_0406_b9252144544710">Name</strong>, <strong id="sdrs_05_0501__sdrs_05_0406_b5574416161513">Security Group</strong>, <strong id="sdrs_05_0501__sdrs_05_0406_b1830541412399">Agency</strong>, <strong id="sdrs_05_0501__sdrs_05_0406_b472281803914">ECS Group</strong>, <strong id="sdrs_05_0501__sdrs_05_0406_b14154191951516">Tags</strong>, and <strong id="sdrs_05_0501__sdrs_05_0406_b1744317211159">Auto Recovery</strong> configurations of servers on the production site will not synchronize to the servers at the DR site. You can manually add the configuration items to the servers at the DR site on the management console.</li></ul>
+</li><li id="sdrs_05_0501__li134831826131818">After you create a protected instance and enable protection on servers at the production site, modifications to the <strong id="sdrs_05_0501__sdrs_05_0406_b18397184118478">Hostname</strong>, <strong id="sdrs_05_0501__sdrs_05_0406_b9252144544710">Name</strong>, <strong id="sdrs_05_0501__sdrs_05_0406_b5574416161513">Security Group</strong>, <strong id="sdrs_05_0501__sdrs_05_0406_b1830541412399">Agency</strong>, <strong id="sdrs_05_0501__sdrs_05_0406_b472281803914">ECS Group</strong>, <strong id="sdrs_05_0501__sdrs_05_0406_b14154191951516">Tags</strong>, and <strong id="sdrs_05_0501__sdrs_05_0406_b1744317211159">Auto Recovery</strong> configurations of servers on the production site will not synchronize to the servers at the DR site. You can manually add the configuration items to the servers at the DR site on the management console.</li><li id="sdrs_05_0501__li117431336193410">GPU-accelerated, FPGA-accelerated, C6, C9, S9, I9, and M9 ECSs are not supported.<ul id="sdrs_05_0501__ul1890317124122"><li id="sdrs_05_0501__li1434231821415">Kunpeng ECSs are not supported.</li><li id="sdrs_05_0501__li10903612181217">x86 ECSs with GPU-accelerated and FPGA-accelerated types are not supported.</li></ul>
+</li></ul>
 </div>
 <div class="section" id="sdrs_05_0501__en-us_topic_0079693002_section39390935"><h4 class="sectiontitle">URI</h4><ul id="sdrs_05_0501__en-us_topic_0079693002_ul52084342"><li id="sdrs_05_0501__en-us_topic_0079693002_li66105898">URI format<p id="sdrs_05_0501__en-us_topic_0079693002_p212314194247"><a name="sdrs_05_0501__en-us_topic_0079693002_li66105898"></a><a name="en-us_topic_0079693002_li66105898"></a>POST /v1/{project_id}/protected-instances</p>
 </li><li id="sdrs_05_0501__en-us_topic_0079693002_li52977523">Parameter description
@@ -161,7 +162,7 @@
 </th>
 <th align="left" class="cellrowborder" valign="top" width="21.04210421042104%" id="mcps1.3.4.2.1.3.2.5.1.3"><p id="sdrs_05_0501__p549495833710">Type</p>
 </th>
-<th align="left" class="cellrowborder" valign="top" width="50.015001500150014%" id="mcps1.3.4.2.1.3.2.5.1.4"><p id="sdrs_05_0501__p1649495811378"><strong id="sdrs_05_0501__b960784167">Description</strong></p>
+<th align="left" class="cellrowborder" valign="top" width="50.015001500150014%" id="mcps1.3.4.2.1.3.2.5.1.4"><p id="sdrs_05_0501__p1649495811378"><strong id="sdrs_05_0501__b828178968">Description</strong></p>
 </th>
 </tr>
 </thead>