diff --git a/dita/RTC-NG/API/class_screencaptureparameters.dita b/dita/RTC-NG/API/class_screencaptureparameters.dita
index aded6de0715..fcd2c60dc70 100644
--- a/dita/RTC-NG/API/class_screencaptureparameters.dita
+++ b/dita/RTC-NG/API/class_screencaptureparameters.dita
@@ -258,6 +258,7 @@
                     <li><codeph><ph keyref="true"/></codeph>:（默认）采集鼠标。</li>
                     <li><codeph><ph keyref="false"/></codeph>: 不采集鼠标。</li>
                     </ul></p>
+                    <note props="cpp mac unity flutter electron">受 macOS 系统限制，在共享屏幕时将该参数设置为 <codeph><ph keyref="false"/></codeph> 无效（共享窗口时无影响）。</note>
                 </pd>
             </plentry>
             <plentry props="mac cpp unreal bp unity electron rn flutter cs">