diff --git a/core/src/diff_src_erban/java/com/mango/core/manager/trtc/TRTCEngineAdapter.java b/core/src/diff_src_erban/java/com/mango/core/manager/trtc/TRTCEngineAdapter.java
index 9d83247a2..b13878c82 100644
--- a/core/src/diff_src_erban/java/com/mango/core/manager/trtc/TRTCEngineAdapter.java
+++ b/core/src/diff_src_erban/java/com/mango/core/manager/trtc/TRTCEngineAdapter.java
@@ -728,7 +728,7 @@ public class TRTCEngineAdapter extends BaseAdapterImpl {
             }
         });
         TRTCAppId = Integer.parseInt(appId);
-        trtcCloud.callExperimentalAPI("{\"api\":\"setAudioQualityEx\",\"params\":{ \"sampleRate\":48000, \"channel\":2,\"bitrate\":192, \"encodeMode\":1, \"systemVolumeType\":0}}");
+        trtcCloud.callExperimentalAPI("{\"api\":\"setAudioQualityEx\",\"params\":{ \"sampleRate\":48000, \"channel\":2,\"bitrate\":192, \"encodeMode\":1, \"systemVolumeType\":1}}");
         trtcCloud.callExperimentalAPI("{\"api\":\"enableAudioAEC\",\"params\":{ \"enable\":1,\"level\": 100}}");
 
     }