diff --git a/app/src/main/java/com/example/mrtcdemo/MainActivity.kt b/app/src/main/java/com/example/mrtcdemo/MainActivity.kt
index 4ee218c..319904b 100644
--- a/app/src/main/java/com/example/mrtcdemo/MainActivity.kt
+++ b/app/src/main/java/com/example/mrtcdemo/MainActivity.kt
@@ -107,11 +107,11 @@ class MainActivity : ComponentActivity() {
         }
 
         override fun onRTMRoom(p0: Int, p1: Int) {
-            TODO("Not yet implemented")
+            println("MRTCDEBUG onRTMRoom()")
         }
 
         override fun onProducer(p0: Int, p1: MRTCAdapter.MRTCProducerInfo?) {
-            TODO("Not yet implemented")
+            println("MRTCDEBUG onProducer()")
         }
 
         override fun onConsumer(msgId: Int, roomId: String?, peerId: String?, p3: Any?) {
@@ -134,47 +134,47 @@ class MainActivity : ComponentActivity() {
         }
 
         override fun onCustomData(p0: MRTCAdapter.MRTCCustomData?) {
-            TODO("Not yet implemented")
+            println("MRTCDEBUG onCustomData()")
         }
 
         override fun onDataProducer(p0: Int, p1: Int) {
-            TODO("Not yet implemented")
+            println("MRTCDEBUG onDataProducer()")
         }
 
         override fun onDataConsumer(p0: Int, p1: Int) {
-            TODO("Not yet implemented")
+            println("MRTCDEBUG onDataConsumer()")
         }
 
         override fun onMessager(p0: String?, p1: String?, p2: String?, p3: String?) {
-            TODO("Not yet implemented")
+            println("MRTCDEBUG onMessager()")
         }
 
         override fun onRender(p0: String?, p1: String?, p2: Int, p3: Int, p4: MRTCVideoFrame?) {
-            TODO("Not yet implemented")
+            println("MRTCDEBUG onRender()")
         }
 
         override fun onScreenShot(p0: Bitmap?) {
-            TODO("Not yet implemented")
+            println("MRTCDEBUG onScreenShot()")
         }
 
         override fun onLocalAudioStats(p0: MRTCAdapter.MRTCLocalAudioStats?) {
-            TODO("Not yet implemented")
+            println("MRTCDEBUG onLocalAudioStats()")
         }
 
         override fun onLocalVideoStats(p0: MRTCAdapter.MRTCLocalVideoStats?) {
-            TODO("Not yet implemented")
+            println("MRTCDEBUG onLocalVideoStats()")
         }
 
         override fun onRemoteAudioStats(p0: MRTCAdapter.MRTCRemoteAudioStats?) {
-            TODO("Not yet implemented")
+            println("MRTCDEBUG onRemoteAudioStats()")
         }
 
         override fun onRemoteVideoStats(p0: MRTCAdapter.MRTCRemoteVideoStats?) {
-            TODO("Not yet implemented")
+            println("MRTCDEBUG onRemoteVideoStats()")
         }
 
         override fun onSoundLevelUpdate(p0: String?, p1: String?, p2: Int, p3: Int, p4: Int) {
-            TODO("Not yet implemented")
+            println("MRTCDEBUG onSoundLevelUpdate()")
         }
     }
 
@@ -182,13 +182,13 @@ class MainActivity : ComponentActivity() {
         println("MRTCDEBUG initMRTCEngine=======================")
 
         val config = MRTCAdapter.Config().apply {
-            // 设置必要参数（根据SDK文档补充）
             applicationId = applicationId_
             mAppSecrectKey = mAppSecrectKey_
             domain = domain_
             mPort = mPort_
         }
 
+        //MRTCEngine.setSDKLogDirectory("/Users/wangjiyu/StudioProjects/Log")
         var ret1 = MRTCEngine.getDefault().init(config, this)
         if (ret1 != 0) {
             println("MRTCDEBUG RTCContext::instance().init() failed, ret:$ret1")