diff --git a/av_transport/av_trans_engine/av_receiver/src/av_receiver_engine.cpp b/av_transport/av_trans_engine/av_receiver/src/av_receiver_engine.cpp
index 029cb855f31cf8e80d530b63a781e0fbb27f0300..65244e1c5320e2dbfea381817a60df854fd1ec42 100644
--- a/av_transport/av_trans_engine/av_receiver/src/av_receiver_engine.cpp
+++ b/av_transport/av_trans_engine/av_receiver/src/av_receiver_engine.cpp
@@ -94,9 +94,9 @@ int32_t AVReceiverEngine::InitPipeline()
         }
     } else if ((ownerName_ == OWNER_NAME_D_MIC) || (ownerName_ == OWNER_NAME_D_SPEAKER) ||
                (ownerName_ == OWNER_NAME_D_VIRMODEM_MIC) || (ownerName_ == OWNER_NAME_D_VIRMODEM_SPEAKER)) {
-        ret = pipeline_->AddFilters({avInput_.get(), avOutput_.get()});
+        ret = pipeline_->AddFilters({avInput_.get(), audioDecoder_.get(), avOutput_.get()});
         if (ret == ErrorCode::SUCCESS) {
-            ret = pipeline_->LinkFilters({avInput_.get(), avOutput_.get()});
+            ret = pipeline_->LinkFilters({avInput_.get(), audioDecoder_.get(), avOutput_.get()});
         }
     } else {
         AVTRANS_LOGI("unsupport ownerName:%{public}s", ownerName_.c_str());
@@ -425,11 +425,11 @@ void AVReceiverEngine::SetAudioCodecType(const std::string &value)
         AVTRANS_LOGE("avInput_ or avOutput_ is nullptr.");
         return;
     }
-    std::string mime = MEDIA_MIME_AUDIO_AAC;
+    std::string mime = MEDIA_MIME_AUDIO_OPUS;
     avInput_->SetParameter(static_cast<int32_t>(Plugin::Tag::MIME), mime);
     mime = MEDIA_MIME_AUDIO_RAW;
     avOutput_->SetParameter(static_cast<int32_t>(Plugin::Tag::MIME), mime);
-    AVTRANS_LOGI("SetParameter AUDIO_CODEC_TYPE = AAC success");
+    AVTRANS_LOGI("SetParameter AUDIO_CODEC_TYPE = OPUS success");
 }
 
 void AVReceiverEngine::SetAudioChannelMask(const std::string &value)
diff --git a/av_transport/av_trans_engine/av_sender/src/av_sender_engine.cpp b/av_transport/av_trans_engine/av_sender/src/av_sender_engine.cpp
index 69e4363d36696148acf3c6a9729d262719c11592..252e34172eaf3c99bebada53f415884739d80902 100644
--- a/av_transport/av_trans_engine/av_sender/src/av_sender_engine.cpp
+++ b/av_transport/av_trans_engine/av_sender/src/av_sender_engine.cpp
@@ -95,9 +95,9 @@ int32_t AVSenderEngine::InitPipeline()
         }
     } else if ((ownerName_ == OWNER_NAME_D_MIC) || (ownerName_ == OWNER_NAME_D_SPEAKER) ||
                (ownerName_ == OWNER_NAME_D_VIRMODEM_MIC) || (ownerName_ == OWNER_NAME_D_VIRMODEM_SPEAKER)) {
-        ret = pipeline_->AddFilters({avInput_.get(), avOutput_.get()});
+        ret = pipeline_->AddFilters({avInput_.get(), audioEncoder_.get(), avOutput_.get()});
         if (ret == ErrorCode::SUCCESS) {
-            ret = pipeline_->LinkFilters({avInput_.get(), avOutput_.get()});
+            ret = pipeline_->LinkFilters({avInput_.get(), audioEncoder_.get(), avOutput_.get()});
         }
     } else {
         AVTRANS_LOGI("unsupport ownerName:%{public}s", ownerName_.c_str());
@@ -421,15 +421,15 @@ void AVSenderEngine::SetAudioCodecType(const std::string &value)
         return;
     }
     Plugin::Meta encoderMeta;
-    encoderMeta.Set<Plugin::Tag::MIME>(MEDIA_MIME_AUDIO_AAC);
+    encoderMeta.Set<Plugin::Tag::MIME>(MEDIA_MIME_AUDIO_OPUS);
     encoderMeta.Set<Plugin::Tag::AUDIO_AAC_PROFILE>(Plugin::AudioAacProfile::LC);
     audioEncoder_->SetAudioEncoder(0, std::make_shared<Plugin::Meta>(encoderMeta));
 
     std::string mime = MEDIA_MIME_AUDIO_RAW;
     avInput_->SetParameter(static_cast<int32_t>(Plugin::Tag::MIME), mime);
-    mime = MEDIA_MIME_AUDIO_AAC;
+    mime = MEDIA_MIME_AUDIO_OPUS;
     avOutput_->SetParameter(static_cast<int32_t>(Plugin::Tag::MIME), mime);
-    AVTRANS_LOGI("SetParameter AUDIO_CODEC_TYPE = ACC success");
+    AVTRANS_LOGI("SetParameter AUDIO_CODEC_TYPE = OPUS success");
 }
 
 void AVSenderEngine::SetAudioChannelMask(const std::string &value)