diff --git a/en-US/dita/RTC-NG/API/api_irtcengine_adjustaudiomixingvolume.dita b/en-US/dita/RTC-NG/API/api_irtcengine_adjustaudiomixingvolume.dita
index 635f120ecf9..3428a2a59bc 100644
--- a/en-US/dita/RTC-NG/API/api_irtcengine_adjustaudiomixingvolume.dita
+++ b/en-US/dita/RTC-NG/API/api_irtcengine_adjustaudiomixingvolume.dita
@@ -27,7 +27,7 @@
         </section>
         <section id="detailed_desc" deliveryTarget="details" otherprops="no-title">
             <p>This method adjusts the audio mixing volume on both the local client and remote clients.</p>
-            <note type="note" props="native unreal bp">This method does not affect the volume of the audio file set in the <xref keyref="playEffect3"/> method.</note>
+            <note type="note">This method does not affect the volume of the audio file set in the <xref keyref="playEffect3"/> method.</note>
         </section>
         <section id="timing" deliveryTarget="details">
             <title>Call timing</title>
diff --git a/en-US/dita/RTC-NG/API/api_irtcengine_getextensionproperty.dita b/en-US/dita/RTC-NG/API/api_irtcengine_getextensionproperty.dita
index 815cbdc4afe..27f01aee09b 100644
--- a/en-US/dita/RTC-NG/API/api_irtcengine_getextensionproperty.dita
+++ b/en-US/dita/RTC-NG/API/api_irtcengine_getextensionproperty.dita
@@ -26,11 +26,16 @@
             <codeblock props="rn" outputclass="language-typescript" />
             <codeblock props="flutter" outputclass="language-dart" /> </p>
         </section>
-        <section id="detailed_desc">
-            <title>Details</title>
-            <p />
+        <section id="detailed_desc" deliveryTarget="details" otherprops="no-title"/>
+        <section id="timing" deliveryTarget="details">
+            <title>Call timing</title>
+            <p>This method can be called either before or after joining the channel.</p>
+        </section>        
+        <section id="restriction" deliveryTarget="details">
+            <title>Restrictions</title>
+            <p>None.</p>
         </section>
-        <section id="parameters">
+        <section id="parameters" deliveryTarget="details">
             <title>Parameters</title>
             <parml>
             <plentry conkeyref="setExtensionProperty/vendor">
diff --git a/en-US/dita/RTC-NG/API/api_irtcengine_getextensionproperty2.dita b/en-US/dita/RTC-NG/API/api_irtcengine_getextensionproperty2.dita
index 533da393afc..4f2cb6fd689 100644
--- a/en-US/dita/RTC-NG/API/api_irtcengine_getextensionproperty2.dita
+++ b/en-US/dita/RTC-NG/API/api_irtcengine_getextensionproperty2.dita
@@ -51,11 +51,16 @@
       MediaSourceType type = MediaSourceType.unknownMediaSource});</codeblock>
             <codeblock props="reserve" outputclass="language-cpp"></codeblock></p>
         </section>
-        <section id="detailed_desc">
-            <title>Details</title>
-            <p/>
+        <section id="detailed_desc" deliveryTarget="details" otherprops="no-title"/>
+        <section id="timing" deliveryTarget="details">
+            <title>Call timing</title>
+            <p>This method can be called either before or after joining the channel.</p>
+        </section>        
+        <section id="restriction" deliveryTarget="details">
+            <title>Restrictions</title>
+            <p>None.</p>
         </section>
-        <section id="parameters">
+        <section id="parameters" deliveryTarget="details">
             <title>Parameters</title>
             <parml>
             <plentry id="vendor">
diff --git a/en-US/dita/RTC-NG/API/api_irtcengine_startaudiomixing2.dita b/en-US/dita/RTC-NG/API/api_irtcengine_startaudiomixing2.dita
index 30794894f5b..dae0c085bcb 100644
--- a/en-US/dita/RTC-NG/API/api_irtcengine_startaudiomixing2.dita
+++ b/en-US/dita/RTC-NG/API/api_irtcengine_startaudiomixing2.dita
@@ -50,6 +50,7 @@
             <section id="restriction" deliveryTarget="details">
                 <title>Restrictions</title>
                 <ul>
+                    <li>If you call this method to play short sound effect files, you may encounter playback failure. Agora recommends using <xref keyref="playEffect3"/> instead to play such files.</li>
                     <li>If you need to call this method multiple times, ensure that the time interval between calling this method is more than 500 ms.</li>
                     <li props="android cpp unreal bp unity rn flutter" id="principle">On Android, there are following considerations:<ul>
                         <li>To use this method, ensure that the Android device is v4.2 or later, and the API version is v16 or later.</li>