diff --git a/en-US/dita/RTC-NG/API/api_iscreencapturesourcelist_getcount.dita b/en-US/dita/RTC-NG/API/api_iscreencapturesourcelist_getcount.dita
index 29020de1c87..df05313bb55 100644
--- a/en-US/dita/RTC-NG/API/api_iscreencapturesourcelist_getcount.dita
+++ b/en-US/dita/RTC-NG/API/api_iscreencapturesourcelist_getcount.dita
@@ -19,7 +19,7 @@
          <codeblock props="bp" outputclass="language-cpp">UFUNCTION(BlueprintCallable, Category = &quot;Agora|ScreenCaptureSourceList&quot;)
 	int64 GetCount();</codeblock>
             <codeblock props="electron" outputclass="language-typescript"/>
-            <codeblock props="unity cs" outputclass="language-csharp">public uint getCount() { return 0; }</codeblock>
+            <codeblock props="unity cs" outputclass="language-csharp"/>
             <codeblock props="rn" outputclass="language-typescript"/>
            <codeblock props="flutter" outputclass="language-dart"/> 
             <codeblock props="reserve" outputclass="language-cpp"></codeblock></p>
diff --git a/en-US/dita/RTC-NG/API/api_iscreencapturesourcelist_getsourceinfo.dita b/en-US/dita/RTC-NG/API/api_iscreencapturesourcelist_getsourceinfo.dita
index 583a3155e55..88f887a1859 100644
--- a/en-US/dita/RTC-NG/API/api_iscreencapturesourcelist_getsourceinfo.dita
+++ b/en-US/dita/RTC-NG/API/api_iscreencapturesourcelist_getsourceinfo.dita
@@ -19,7 +19,7 @@
          <codeblock props="bp" outputclass="language-cpp">UFUNCTION(BlueprintCallable, Category = &quot;Agora|ScreenCaptureSourceList&quot;)
 	FScreenCaptureSourceInfo GetSourceInfo(int64 index);</codeblock>
             <codeblock props="electron" outputclass="language-typescript"/>
-            <codeblock props="unity cs" outputclass="language-csharp">public ScreenCaptureSourceInfo getSourceInfo(uint index) { return null; }</codeblock>
+            <codeblock props="unity cs" outputclass="language-csharp"/>
             <codeblock props="rn" outputclass="language-typescript"/>
            <codeblock props="flutter" outputclass="language-dart"/> 
             <codeblock props="reserve" outputclass="language-cpp"></codeblock></p>
diff --git a/en-US/dita/RTC-NG/API/api_iscreencapturesourcelist_release.dita b/en-US/dita/RTC-NG/API/api_iscreencapturesourcelist_release.dita
index 7c474e7ad4e..d9692780d03 100644
--- a/en-US/dita/RTC-NG/API/api_iscreencapturesourcelist_release.dita
+++ b/en-US/dita/RTC-NG/API/api_iscreencapturesourcelist_release.dita
@@ -19,7 +19,7 @@
          <codeblock props="bp" outputclass="language-cpp">UFUNCTION(BlueprintCallable, Category = &quot;Agora|ScreenCaptureSourceList&quot;)
 	void Release();</codeblock>
             <codeblock props="electron" outputclass="language-typescript"/>
-            <codeblock props="unity cs" outputclass="language-csharp">public void release() { }</codeblock>
+            <codeblock props="unity cs" outputclass="language-csharp"/>
             <codeblock props="rn" outputclass="language-typescript"/>
            <codeblock props="flutter" outputclass="language-dart"/> 
             <codeblock props="reserve" outputclass="language-cpp"></codeblock></p>