diff --git a/src/ai_platform/MultiSourceProcess.cpp b/src/ai_platform/MultiSourceProcess.cpp
index ee1e16f..79e1176 100755
--- a/src/ai_platform/MultiSourceProcess.cpp
+++ b/src/ai_platform/MultiSourceProcess.cpp
@@ -358,6 +358,7 @@ bool CMultiSourceProcess::AddTask(task_param _cur_task_param){
         config.dec_type = DECODER_TYPE_FFMPEG;
     }
     
+    LOG_INFO("[{}]-create decoder.",task_id);
     AbstractDecoder* dec = pDecManager->createDecoder(config);
     if (!dec){
         return false;
@@ -376,6 +377,7 @@ bool CMultiSourceProcess::AddTask(task_param _cur_task_param){
     // 保存新添加任务的配置参数
     m_task_param_manager->add_task_param(task_id, _cur_task_param);
 
+    LOG_INFO("[{}]-start decode.",task_id);
      // 所有参数都准备好之后再启动解码
     bool bStart = pDecManager->startDecodeByName(config.name);
     if (!bStart){
diff --git a/src/decoder/interface/DecoderManager.cpp b/src/decoder/interface/DecoderManager.cpp
index ee78ec2..ad76ffe 100644
--- a/src/decoder/interface/DecoderManager.cpp
+++ b/src/decoder/interface/DecoderManager.cpp
@@ -38,6 +38,8 @@ AbstractDecoder* DecoderManager::createDecoder(MgrDecConfig config){
         return nullptr;
     }
 
+    LOG_INFO("[{}]- before create.",config.name);
+
     std::lock_guard<std::mutex> l(m_mutex);
 
     auto it = decoderMap.find(config.name);
@@ -68,6 +70,7 @@ AbstractDecoder* DecoderManager::createDecoder(MgrDecConfig config){
         return nullptr;
     }
     
+    LOG_INFO("[{}]- dec init.",config.name);
     config.cfg.dec_name = config.name;
     bool bRet= dec->init(config.cfg);
     if (bRet){
@@ -76,6 +79,8 @@ AbstractDecoder* DecoderManager::createDecoder(MgrDecConfig config){
         LOG_INFO("[{}][{}]- 解码器初始化成功",config.name, config.cfg.uri);
         return dec;
     }
+
+    LOG_INFO("[{}]- dec init failed!",config.name);
     
     // 创建失败，关闭解码器
     dec->close();