diff --git a/en-US/dita/RTC-NG/API/api_irtcengine_setlowlightenhanceoptions2.dita b/en-US/dita/RTC-NG/API/api_irtcengine_setlowlightenhanceoptions2.dita
index 281623e1968..7e9c03a7e98 100644
--- a/en-US/dita/RTC-NG/API/api_irtcengine_setlowlightenhanceoptions2.dita
+++ b/en-US/dita/RTC-NG/API/api_irtcengine_setlowlightenhanceoptions2.dita
@@ -19,7 +19,7 @@
             <codeblock props="ios mac" outputclass="language-objectivec">- (int)setLowlightEnhanceOptions:(BOOL)enable options:(AgoraLowlightEnhanceOptions* _Nullable)options sourceType:(AgoraMediaSourceType)sourceType NS_SWIFT_NAME(setLowlightEnhanceOptions(_:options:sourceType:));</codeblock>
             <codeblock props="cpp unreal" outputclass="language-cpp">virtual int setLowlightEnhanceOptions(bool enabled, const LowlightEnhanceOptions&amp; options, agora::media::MEDIA_SOURCE_TYPE type = agora::media::PRIMARY_CAMERA_SOURCE) = 0;</codeblock>
             <codeblock props="bp" outputclass="language-cpp">UFUNCTION(BlueprintCallable, Category = "Agora|IRtcEngine")
-	int SetLowlightEnhanceOptions(bool enabled, const FUABT_LowlightEnhanceOptions& options, EUABT_MEDIA_SOURCE_TYPE type);</codeblock>
+	int SetLowlightEnhanceOptions(bool enabled, const FUABT_LowlightEnhanceOptions&amp; options, EUABT_MEDIA_SOURCE_TYPE type);</codeblock>
             <codeblock props="electron" outputclass="language-typescript"></codeblock>
             <codeblock props="unity cs" outputclass="language-csharp"></codeblock>
             <codeblock props="rn" outputclass="language-typescript"></codeblock>