diff --git a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/ContentInspect/ContentInspect.m b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/ContentInspect/ContentInspect.m
index d495d9f35..c1c047cf7 100644
--- a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/ContentInspect/ContentInspect.m
+++ b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/ContentInspect/ContentInspect.m
@@ -65,7 +65,7 @@ - (void)viewDidLoad {
     
     AgoraVideoEncoderConfiguration *encoderConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(960, 540)
                                                                                                frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                 bitrate:15
+                                                                                                 bitrate:AgoraVideoBitrateStandard
                                                                                          orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                               mirrorMode:(AgoraVideoMirrorModeAuto)];
     [self.agoraKit setVideoEncoderConfiguration:encoderConfig];
diff --git a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/CreateDataStream/CreateDataStream.m b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/CreateDataStream/CreateDataStream.m
index e618145b8..afc7b3d2c 100644
--- a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/CreateDataStream/CreateDataStream.m
+++ b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/CreateDataStream/CreateDataStream.m
@@ -83,7 +83,7 @@ - (void)viewDidLoad {
     
     AgoraVideoEncoderConfiguration *encoderConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(960, 540)
                                                                                                frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                 bitrate:15
+                                                                                                 bitrate:AgoraVideoBitrateStandard
                                                                                          orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                               mirrorMode:(AgoraVideoMirrorModeAuto)];
     [self.agoraKit setVideoEncoderConfiguration:encoderConfig];
diff --git a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/CustomVideoRender/CustomVideoRender.m b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/CustomVideoRender/CustomVideoRender.m
index 7f312463b..5ba5a7014 100644
--- a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/CustomVideoRender/CustomVideoRender.m
+++ b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/CustomVideoRender/CustomVideoRender.m
@@ -86,7 +86,7 @@ - (void)viewDidLoad {
     
     AgoraVideoEncoderConfiguration *encoderConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(960, 540)
                                                                                                frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                 bitrate:15
+                                                                                                 bitrate:AgoraVideoBitrateStandard
                                                                                          orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                               mirrorMode:(AgoraVideoMirrorModeAuto)];
     [self.agoraKit setVideoEncoderConfiguration:encoderConfig];
diff --git a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/CustomVideoSourcePush/CustomVideoSourcePush.m b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/CustomVideoSourcePush/CustomVideoSourcePush.m
index 07832ef30..52a23bceb 100644
--- a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/CustomVideoSourcePush/CustomVideoSourcePush.m
+++ b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/CustomVideoSourcePush/CustomVideoSourcePush.m
@@ -96,7 +96,7 @@ - (void)viewDidLoad {
     
     AgoraVideoEncoderConfiguration *encoderConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(960, 540)
                                                                                                frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                 bitrate:15
+                                                                                                 bitrate:AgoraVideoBitrateStandard
                                                                                          orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                               mirrorMode:(AgoraVideoMirrorModeAuto)];
     [self.agoraKit setVideoEncoderConfiguration:encoderConfig];
diff --git a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/FusionCDN/FusionCDN.m b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/FusionCDN/FusionCDN.m
index 7c7c1727e..38a638a24 100644
--- a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/FusionCDN/FusionCDN.m
+++ b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/FusionCDN/FusionCDN.m
@@ -138,7 +138,7 @@ - (void)viewDidLoad {
     
     AgoraVideoEncoderConfiguration *encoderConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(960, 540)
                                                                                                frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                 bitrate:15
+                                                                                                 bitrate:AgoraVideoBitrateStandard
                                                                                          orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                               mirrorMode:(AgoraVideoMirrorModeAuto)];
     self.videoConfig = encoderConfig;
@@ -428,7 +428,7 @@ - (void)viewDidLoad {
     
     AgoraVideoEncoderConfiguration *encoderConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(960, 540)
                                                                                                frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                 bitrate:15
+                                                                                                 bitrate:AgoraVideoBitrateStandard
                                                                                          orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                               mirrorMode:(AgoraVideoMirrorModeAuto)];
     [self.agoraKit setVideoEncoderConfiguration:encoderConfig];
diff --git a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/JoinMultiChannel/JoinMultiChannel.m b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/JoinMultiChannel/JoinMultiChannel.m
index fe9dd7b3b..b8059e6d9 100644
--- a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/JoinMultiChannel/JoinMultiChannel.m
+++ b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/JoinMultiChannel/JoinMultiChannel.m
@@ -170,7 +170,7 @@ - (void)viewDidLoad {
     
     AgoraVideoEncoderConfiguration *encoderConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(960, 540)
                                                                                                frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                 bitrate:15
+                                                                                                 bitrate:AgoraVideoBitrateStandard
                                                                                          orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                               mirrorMode:(AgoraVideoMirrorModeAuto)];
     [self.agoraKit setVideoEncoderConfiguration:encoderConfig];
diff --git a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/LiveStreaming/LiveStreaming.m b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/LiveStreaming/LiveStreaming.m
index f9f23ef9e..80d44eba8 100644
--- a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/LiveStreaming/LiveStreaming.m
+++ b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/LiveStreaming/LiveStreaming.m
@@ -288,7 +288,7 @@ - (void)becomeBroadcaster {
     
     AgoraVideoEncoderConfiguration *encoderConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(960, 540)
                                                                                                frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                 bitrate:15
+                                                                                                 bitrate:AgoraVideoBitrateStandard
                                                                                          orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                               mirrorMode:(AgoraVideoMirrorModeAuto)];
     [self.agoraKit setVideoEncoderConfiguration:encoderConfig];
diff --git a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/MediaChannelRelay/MediaChannelRelay.m b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/MediaChannelRelay/MediaChannelRelay.m
index 8beb99cb2..0a1fc95f2 100644
--- a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/MediaChannelRelay/MediaChannelRelay.m
+++ b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/MediaChannelRelay/MediaChannelRelay.m
@@ -90,7 +90,7 @@ - (void)viewDidLoad {
     
     AgoraVideoEncoderConfiguration *encoderConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(960, 540)
                                                                                                frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                 bitrate:15
+                                                                                                 bitrate:AgoraVideoBitrateStandard
                                                                                          orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                               mirrorMode:(AgoraVideoMirrorModeAuto)];
     [self.agoraKit setVideoEncoderConfiguration:encoderConfig];
diff --git a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/MediaPlayer/MediaPlayer.m b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/MediaPlayer/MediaPlayer.m
index 2420e3bc9..12d94e1a9 100644
--- a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/MediaPlayer/MediaPlayer.m
+++ b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/MediaPlayer/MediaPlayer.m
@@ -135,7 +135,7 @@ - (void)viewDidLoad {
     
     AgoraVideoEncoderConfiguration *encoderConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(960, 540)
                                                                                                frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                 bitrate:15
+                                                                                                 bitrate:AgoraVideoBitrateStandard
                                                                                          orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                               mirrorMode:(AgoraVideoMirrorModeAuto)];
     [self.agoraKit setVideoEncoderConfiguration:encoderConfig];
diff --git a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/MutliCamera/MutliCamera.m b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/MutliCamera/MutliCamera.m
index 11ad9c66b..4462c9d08 100644
--- a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/MutliCamera/MutliCamera.m
+++ b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/MutliCamera/MutliCamera.m
@@ -90,7 +90,7 @@ - (void)viewDidLoad {
     
     AgoraVideoEncoderConfiguration *encoderConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(960, 540)
                                                                                                frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                 bitrate:15
+                                                                                                 bitrate:AgoraVideoBitrateStandard
                                                                                          orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                               mirrorMode:(AgoraVideoMirrorModeAuto)];
     [self.agoraKit setVideoEncoderConfiguration:encoderConfig];
diff --git a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/PictureInPicture/PictureInPicture.m b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/PictureInPicture/PictureInPicture.m
index cd35a894e..505fbc03c 100644
--- a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/PictureInPicture/PictureInPicture.m
+++ b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/PictureInPicture/PictureInPicture.m
@@ -84,7 +84,7 @@ - (void)viewDidLoad {
     
     AgoraVideoEncoderConfiguration *encoderConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(960, 540)
                                                                                                frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                 bitrate:15
+                                                                                                 bitrate:AgoraVideoBitrateStandard
                                                                                          orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                               mirrorMode:(AgoraVideoMirrorModeAuto)];
     [self.agoraKit setVideoEncoderConfiguration:encoderConfig];
diff --git a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/RTMPStreaming/RTMPStreaming.m b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/RTMPStreaming/RTMPStreaming.m
index 06ea147dd..ad2e922b3 100644
--- a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/RTMPStreaming/RTMPStreaming.m
+++ b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/RTMPStreaming/RTMPStreaming.m
@@ -115,7 +115,7 @@ - (void)viewDidLoad {
     
     AgoraVideoEncoderConfiguration *encoderConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(960, 540)
                                                                                                frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                 bitrate:15
+                                                                                                 bitrate:AgoraVideoBitrateStandard
                                                                                          orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                               mirrorMode:(AgoraVideoMirrorModeAuto)];
     [self.agoraKit setVideoEncoderConfiguration:encoderConfig];
diff --git a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/RawVideoData/RawVideoData.m b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/RawVideoData/RawVideoData.m
index ad66220f0..3a26e046c 100644
--- a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/RawVideoData/RawVideoData.m
+++ b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/RawVideoData/RawVideoData.m
@@ -90,7 +90,7 @@ - (void)viewDidLoad {
     
     AgoraVideoEncoderConfiguration *encoderConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(960, 540)
                                                                                                frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                 bitrate:15
+                                                                                                 bitrate:AgoraVideoBitrateStandard
                                                                                          orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                               mirrorMode:(AgoraVideoMirrorModeAuto)];
     [self.agoraKit setVideoEncoderConfiguration:encoderConfig];
diff --git a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/ScreenShare/ScreenShare.m b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/ScreenShare/ScreenShare.m
index 9d606e1cb..31b62e276 100644
--- a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/ScreenShare/ScreenShare.m
+++ b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/ScreenShare/ScreenShare.m
@@ -143,7 +143,7 @@ - (void)viewDidLoad {
     
     AgoraVideoEncoderConfiguration *encoderConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(960, 540)
                                                                                                frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                 bitrate:15
+                                                                                                 bitrate:AgoraVideoBitrateStandard
                                                                                          orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                               mirrorMode:(AgoraVideoMirrorModeAuto)];
     [self.agoraKit setVideoEncoderConfiguration:encoderConfig];
diff --git a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/SimpleFilter/SimpleFilter.m b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/SimpleFilter/SimpleFilter.m
index db04971b7..1ba158d88 100644
--- a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/SimpleFilter/SimpleFilter.m
+++ b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/SimpleFilter/SimpleFilter.m
@@ -92,7 +92,7 @@ - (void)viewDidLoad {
     
     AgoraVideoEncoderConfiguration *encoderConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(960, 540)
                                                                                                frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                 bitrate:15
+                                                                                                 bitrate:AgoraVideoBitrateStandard
                                                                                          orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                               mirrorMode:(AgoraVideoMirrorModeAuto)];
     [self.agoraKit setVideoEncoderConfiguration:encoderConfig];
diff --git a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/StreamEncryption/StreamEncryption.m b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/StreamEncryption/StreamEncryption.m
index 4d880ca67..709fbec99 100644
--- a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/StreamEncryption/StreamEncryption.m
+++ b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/StreamEncryption/StreamEncryption.m
@@ -147,7 +147,7 @@ - (void)viewDidLoad {
     
     AgoraVideoEncoderConfiguration *encoderConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(960, 540)
                                                                                                frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                 bitrate:15
+                                                                                                 bitrate:AgoraVideoBitrateStandard
                                                                                          orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                               mirrorMode:(AgoraVideoMirrorModeAuto)];
     [self.agoraKit setVideoEncoderConfiguration:encoderConfig];
diff --git a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/VideoMetadata/VideoMetadata.m b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/VideoMetadata/VideoMetadata.m
index d210ce78c..8f05fe3cd 100644
--- a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/VideoMetadata/VideoMetadata.m
+++ b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/VideoMetadata/VideoMetadata.m
@@ -88,7 +88,7 @@ - (void)viewDidLoad {
     
     AgoraVideoEncoderConfiguration *encoderConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(960, 540)
                                                                                                frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                 bitrate:15
+                                                                                                 bitrate:AgoraVideoBitrateStandard
                                                                                          orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                               mirrorMode:(AgoraVideoMirrorModeAuto)];
     [self.agoraKit setVideoEncoderConfiguration:encoderConfig];
diff --git a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/VideoProcess/VideoProcess.m b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/VideoProcess/VideoProcess.m
index 74ed9bd87..bbe1854fc 100644
--- a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/VideoProcess/VideoProcess.m
+++ b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/VideoProcess/VideoProcess.m
@@ -110,7 +110,7 @@ - (void)viewDidLoad {
     
     AgoraVideoEncoderConfiguration *encoderConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(960, 540)
                                                                                                frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                 bitrate:15
+                                                                                                 bitrate:AgoraVideoBitrateStandard
                                                                                          orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                               mirrorMode:(AgoraVideoMirrorModeAuto)];
     [self.agoraKit setVideoEncoderConfiguration:encoderConfig];
diff --git a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/VoiceChanger/VoiceChanger.m b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/VoiceChanger/VoiceChanger.m
index b9d700124..ba2490788 100644
--- a/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/VoiceChanger/VoiceChanger.m
+++ b/iOS/APIExample-OC/APIExample-OC/Examples/Advanced/VoiceChanger/VoiceChanger.m
@@ -475,7 +475,7 @@ - (void)viewDidLoad {
     
     AgoraVideoEncoderConfiguration *encoderConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(960, 540)
                                                                                                frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                 bitrate:15
+                                                                                                 bitrate:AgoraVideoBitrateStandard
                                                                                          orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                               mirrorMode:(AgoraVideoMirrorModeAuto)];
     [self.agoraKit setVideoEncoderConfiguration:encoderConfig];
diff --git a/iOS/APIExample-OC/APIExample-OC/Examples/Basic/JoinChannelVideo(Recorder)/JoinChannelVideoRecorder.m b/iOS/APIExample-OC/APIExample-OC/Examples/Basic/JoinChannelVideo(Recorder)/JoinChannelVideoRecorder.m
index 3ec4f7f82..c675bdafa 100644
--- a/iOS/APIExample-OC/APIExample-OC/Examples/Basic/JoinChannelVideo(Recorder)/JoinChannelVideoRecorder.m
+++ b/iOS/APIExample-OC/APIExample-OC/Examples/Basic/JoinChannelVideo(Recorder)/JoinChannelVideoRecorder.m
@@ -167,7 +167,7 @@ - (void)viewDidLoad {
     
     AgoraVideoEncoderConfiguration *encoderConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(960, 540)
                                                                                                frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                 bitrate:15
+                                                                                                 bitrate:AgoraVideoBitrateStandard
                                                                                          orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                               mirrorMode:(AgoraVideoMirrorModeAuto)];
     [self.agoraKit setVideoEncoderConfiguration:encoderConfig];
diff --git a/iOS/APIExample-OC/APIExample-OC/Examples/Basic/JoinChannelVideo(Token)/JoinChannelVideoToken.m b/iOS/APIExample-OC/APIExample-OC/Examples/Basic/JoinChannelVideo(Token)/JoinChannelVideoToken.m
index 597ebacf2..d3c7a2bee 100644
--- a/iOS/APIExample-OC/APIExample-OC/Examples/Basic/JoinChannelVideo(Token)/JoinChannelVideoToken.m
+++ b/iOS/APIExample-OC/APIExample-OC/Examples/Basic/JoinChannelVideo(Token)/JoinChannelVideoToken.m
@@ -112,7 +112,7 @@ - (void)viewDidLoad {
     
     AgoraVideoEncoderConfiguration *encoderConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(960, 540)
                                                                                                frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                 bitrate:15
+                                                                                                 bitrate:AgoraVideoBitrateStandard
                                                                                          orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                               mirrorMode:(AgoraVideoMirrorModeAuto)];
     [self.agoraKit setVideoEncoderConfiguration:encoderConfig];
diff --git a/iOS/APIExample-OC/APIExample-OC/Examples/Basic/JoinChannelVideo/JoinChannelVideo.m b/iOS/APIExample-OC/APIExample-OC/Examples/Basic/JoinChannelVideo/JoinChannelVideo.m
index f3fb97b42..a20212fe1 100644
--- a/iOS/APIExample-OC/APIExample-OC/Examples/Basic/JoinChannelVideo/JoinChannelVideo.m
+++ b/iOS/APIExample-OC/APIExample-OC/Examples/Basic/JoinChannelVideo/JoinChannelVideo.m
@@ -83,7 +83,7 @@ - (void)viewDidLoad {
     
     AgoraVideoEncoderConfiguration *encoderConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(960, 540)
                                                                                                frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                 bitrate:15
+                                                                                                 bitrate:AgoraVideoBitrateStandard
                                                                                          orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                               mirrorMode:(AgoraVideoMirrorModeAuto)];
     [self.agoraKit setVideoEncoderConfiguration:encoderConfig];
diff --git a/iOS/APIExample/APIExample/Examples/Advanced/ThirdBeautify/ByteBeautify/BytedEffectVC.m b/iOS/APIExample/APIExample/Examples/Advanced/ThirdBeautify/ByteBeautify/BytedEffectVC.m
index 1046954fd..f179d76b8 100644
--- a/iOS/APIExample/APIExample/Examples/Advanced/ThirdBeautify/ByteBeautify/BytedEffectVC.m
+++ b/iOS/APIExample/APIExample/Examples/Advanced/ThirdBeautify/ByteBeautify/BytedEffectVC.m
@@ -63,7 +63,7 @@ - (void) initSDK {
 
     AgoraVideoEncoderConfiguration *encodeConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(480, 640)
                                                                                               frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                bitrate:15
+                                                                                                bitrate:AgoraVideoBitrateStandard
                                                                                         orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                              mirrorMode:(AgoraVideoMirrorModeDisabled)];
     [self.rtcEngineKit setVideoEncoderConfiguration:encodeConfig];
diff --git a/iOS/APIExample/APIExample/Examples/Advanced/ThirdBeautify/ByteBeautify/Manager/Config.h b/iOS/APIExample/APIExample/Examples/Advanced/ThirdBeautify/ByteBeautify/Manager/Config.h
index 5d0a43ae5..f36587c76 100644
--- a/iOS/APIExample/APIExample/Examples/Advanced/ThirdBeautify/ByteBeautify/Manager/Config.h
+++ b/iOS/APIExample/APIExample/Examples/Advanced/ThirdBeautify/ByteBeautify/Manager/Config.h
@@ -5,7 +5,7 @@
 #ifndef Config_h
 #define Config_h
 
-#define LICENSE_NAME ((const char *)"Agora_test_20241014_20241214_io.agora.entfull_4.5.0_2060.licbag")
+#define LICENSE_NAME ((const char *)"Agora_test_io.agora.entfull.licbag")
 
 #define DEBUG_LOG false
 #define TIME_LOG false
diff --git a/iOS/APIExample/APIExample/Examples/Advanced/ThirdBeautify/FUBeautify/FUBeautifyVC.m b/iOS/APIExample/APIExample/Examples/Advanced/ThirdBeautify/FUBeautify/FUBeautifyVC.m
index 1d9decbbd..e4bc0cb64 100644
--- a/iOS/APIExample/APIExample/Examples/Advanced/ThirdBeautify/FUBeautify/FUBeautifyVC.m
+++ b/iOS/APIExample/APIExample/Examples/Advanced/ThirdBeautify/FUBeautify/FUBeautifyVC.m
@@ -64,7 +64,7 @@ - (void) initSDK {
     
     AgoraVideoEncoderConfiguration *encodeConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(480, 640)
                                                                                               frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                bitrate:15
+                                                                                                bitrate:AgoraVideoBitrateStandard
                                                                                         orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                              mirrorMode:(AgoraVideoMirrorModeDisabled)];
     [self.rtcEngineKit setVideoEncoderConfiguration:encodeConfig];
diff --git a/iOS/APIExample/APIExample/Examples/Advanced/ThirdBeautify/SenseBeautify/SenseBeautifyVC.m b/iOS/APIExample/APIExample/Examples/Advanced/ThirdBeautify/SenseBeautify/SenseBeautifyVC.m
index 54e4999a4..98cb606d9 100644
--- a/iOS/APIExample/APIExample/Examples/Advanced/ThirdBeautify/SenseBeautify/SenseBeautifyVC.m
+++ b/iOS/APIExample/APIExample/Examples/Advanced/ThirdBeautify/SenseBeautify/SenseBeautifyVC.m
@@ -78,7 +78,7 @@ - (void) initSDK {
     
     AgoraVideoEncoderConfiguration *encodeConfig = [[AgoraVideoEncoderConfiguration alloc] initWithSize:CGSizeMake(480, 640)
                                                                                               frameRate:(AgoraVideoFrameRateFps15)
-                                                                                                bitrate:15
+                                                                                                bitrate:AgoraVideoBitrateStandard
                                                                                         orientationMode:(AgoraVideoOutputOrientationModeFixedPortrait)
                                                                                              mirrorMode:(AgoraVideoMirrorModeDisabled)];
     [self.rtcEngineKit setVideoEncoderConfiguration:encodeConfig];