diff --git a/src/ai_platform/MultiSourceProcess.cpp b/src/ai_platform/MultiSourceProcess.cpp
index f8292eb..23cfb74 100755
--- a/src/ai_platform/MultiSourceProcess.cpp
+++ b/src/ai_platform/MultiSourceProcess.cpp
@@ -118,8 +118,6 @@ int CMultiSourceProcess::InitAlgorthim(tsl_aiplatform_param vptParam){
   vparam.threshold = 0.4;
   vparam.model_dir = models_dir;
 
-  aclrtSetDevice(m_devId);
-
   int ret = vpt_process.init(vparam);
   if (ret < 0){
     return ret;
@@ -706,7 +704,6 @@ bool CMultiSourceProcess::finish_task(const string taskID, const bool delete_sna
 int CMultiSourceProcess::algorthim_process_thread(){
     LOG_INFO("algorthim_process_thread start...");
 
-    ACL_CALL(aclrtSetDevice(m_devId), ACL_SUCCESS, 1);
     aclrtContext ctx;
     ACL_CALL(aclrtCreateContext(&ctx, m_devId), ACL_SUCCESS, 1);
 
@@ -762,9 +759,6 @@ int CMultiSourceProcess::algorthim_process_thread(){
                   }
                 }
               }
-              
-
-              
             }
             
             m_RgbDataList.pop_front();
@@ -811,7 +805,6 @@ int CMultiSourceProcess::algorthim_process_thread(){
     }
     
     aclrtDestroyContext(ctx);
-    aclrtResetDevice(m_devId);
     LOG_INFO("algorthim_process_thread exit.");
 
     return 0;