diff --git a/dita/RTC-NG/API/callback_irtcengineeventhandler_onremoteaudiostatechanged.dita b/dita/RTC-NG/API/callback_irtcengineeventhandler_onremoteaudiostatechanged.dita
index c9e3a9ada5c..6624b9a93e8 100644
--- a/dita/RTC-NG/API/callback_irtcengineeventhandler_onremoteaudiostatechanged.dita
+++ b/dita/RTC-NG/API/callback_irtcengineeventhandler_onremoteaudiostatechanged.dita
@@ -53,7 +53,7 @@
           </section>
           <section id="detailed_desc">
                <p id="desc">远端用户（通信场景）或主播（直播场景）的音频状态发生改变时，SDK 会触发该回调向本地用户报告当前的远端音频流状态。</p>
-               <note id="note" type="attention">频道内的用户（通信场景）或主播（直播场景）人数超过 17 人时，该回调可能不准确。</note> </section>
+               <note id="note" type="attention">频道内的用户（通信场景）或主播（直播场景）人数超过 32 人时，该回调可能不准确。</note> </section>
           <section id="parameters">
                <title><ph keyref="callback-section-title" /></title>
                <parml>
diff --git a/dita/RTC-NG/API/callback_irtcengineeventhandler_onremotevideostatechanged.dita b/dita/RTC-NG/API/callback_irtcengineeventhandler_onremotevideostatechanged.dita
index 9883bee0aad..14c97f8affc 100644
--- a/dita/RTC-NG/API/callback_irtcengineeventhandler_onremotevideostatechanged.dita
+++ b/dita/RTC-NG/API/callback_irtcengineeventhandler_onremotevideostatechanged.dita
@@ -52,7 +52,7 @@
             <codeblock props="reserve" outputclass="language-cpp"></codeblock></p>
           </section>
           <section id="detailed_desc">
-               <note id="note" type="attention">频道内的用户（通信场景）或主播（直播场景）人数超过 17 人时，该回调可能不准确。</note> </section>
+               <note id="note" type="attention">频道内的用户（通信场景）或主播（直播场景）人数超过 32 人时，该回调可能不准确。</note> </section>
           <section id="parameters">
                <title> <ph keyref="callback-section-title" /> </title>
                <parml>
diff --git a/dita/RTC-NG/API/callback_irtcengineeventhandler_onuserjoined.dita b/dita/RTC-NG/API/callback_irtcengineeventhandler_onuserjoined.dita
index a7b96155355..bcfc8357a80 100644
--- a/dita/RTC-NG/API/callback_irtcengineeventhandler_onuserjoined.dita
+++ b/dita/RTC-NG/API/callback_irtcengineeventhandler_onuserjoined.dita
@@ -34,7 +34,7 @@
         <section id="detailed_desc" deliveryTarget="details" otherprops="no-title">
             <ul id="detailed_desc_scene">
             <li>通信场景下，该回调提示有远端用户加入了频道。如果加入之前已经有其他用户在频道中，新加入的用户也会收到这些已有用户加入频道的回调。</li>
-            <li>直播场景下，该回调提示有主播加入了频道。如果加入之前，已经有主播在频道中了，新加入的用户也会收到已有主播加入频道的回调。建议连麦主播不超过 17 人。</li>
+            <li>直播场景下，该回调提示有主播加入了频道。如果加入之前，已经有主播在频道中了，新加入的用户也会收到已有主播加入频道的回调。建议连麦主播不超过 32 人（其中视频连麦主播不超过17人）。</li>
             </ul>
 
         </section>
diff --git a/dita/RTC-NG/API/callback_irtcengineeventhandler_onusermuteaudio.dita b/dita/RTC-NG/API/callback_irtcengineeventhandler_onusermuteaudio.dita
index 7770008dc36..fd4ba26518e 100644
--- a/dita/RTC-NG/API/callback_irtcengineeventhandler_onusermuteaudio.dita
+++ b/dita/RTC-NG/API/callback_irtcengineeventhandler_onusermuteaudio.dita
@@ -45,7 +45,7 @@
             </dlentry>
         </dl>
             <p>该回调是由远端用户调用 <xref keyref="muteLocalAudioStream" /> 方法关闭或开启音频发送触发的。</p>
-            <note type="attention">频道内的用户（通信场景）或主播（直播场景）人数超过 17 人时，该回调可能不准确。</note> </section>
+            <note type="attention">频道内的用户（通信场景）或主播（直播场景）人数超过 32 人时，该回调可能不准确。</note> </section>
         <section id="parameters">
             <title><ph keyref="callback-section-title" /></title>
             <parml>
diff --git a/dita/RTC-NG/API/callback_irtcengineeventhandler_onusermutevideo.dita b/dita/RTC-NG/API/callback_irtcengineeventhandler_onusermutevideo.dita
index 62da9411664..32ead62262b 100644
--- a/dita/RTC-NG/API/callback_irtcengineeventhandler_onusermutevideo.dita
+++ b/dita/RTC-NG/API/callback_irtcengineeventhandler_onusermutevideo.dita
@@ -51,7 +51,7 @@
             </dlentry>
             </dl>
             <p>当远端用户调用 <xref keyref="muteLocalVideoStream" /> 取消或恢复发布视频流时，SDK 会触发该回调向本地用户报告远端用户的发流状况。</p>
-            <note type="attention">当频道内的用户（通信场景）或主播（直播场景）的人数超过 17 时，该回调可能不准确。</note> </section>
+            <note type="attention">当频道内的用户（通信场景）或主播（直播场景）的人数超过 32 人时，该回调可能不准确。</note> </section>
         <section id="parameters">
             <title><ph keyref="callback-section-title" /></title>
             <parml>