diff --git a/dita/RTC-NG/API/rtc_api_overview_ng.dita b/dita/RTC-NG/API/rtc_api_overview_ng.dita
index 523aa91adaf0..a0a262ae41a4 100644
--- a/dita/RTC-NG/API/rtc_api_overview_ng.dita
+++ b/dita/RTC-NG/API/rtc_api_overview_ng.dita
@@ -1034,7 +1034,7 @@
                 <stentry>方法</stentry>
                 <stentry>描述</stentry>
             </sthead>
-            <strow props="flutter rn electron unity">
+            <strow props="flutter rn electron">
                 <stentry><xref keyref="startEchoTest2"/></stentry>
                 <stentry><ph conkeyref="startEchoTest2/shortdesc"/></stentry>
             </strow>
diff --git a/dita/RTC-NG/RTC_NG_API_Unity.ditamap b/dita/RTC-NG/RTC_NG_API_Unity.ditamap
index b9a9220a3fab..84a272f730c6 100644
--- a/dita/RTC-NG/RTC_NG_API_Unity.ditamap
+++ b/dita/RTC-NG/RTC_NG_API_Unity.ditamap
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE map PUBLIC "-//OASIS//DTD DITA Map//EN" "map.dtd">
 <map>
-    <title>Unity API Reference </title>
+    <title>Agora Unity API Reference </title>
     <topicmeta>
         <navtitle>Unity API Reference</navtitle>
     </topicmeta>