diff --git a/DSView/pv/appcontrol.cpp b/DSView/pv/appcontrol.cpp
index b2eee84a..dd1c0b91 100644
--- a/DSView/pv/appcontrol.cpp
+++ b/DSView/pv/appcontrol.cpp
@@ -64,29 +64,31 @@ void AppControl::Destroy(){
 } 
 
 bool AppControl::Init()
-{   
+{  
+    pv::encoding::init();
+
     QString qs;
     std::string cs;
 
     qs = GetAppDataDir();
-    cs = qs.toStdString();
+    cs = pv::path::ToUnicodePath(qs);
     dsv_info("GetAppDataDir:\"%s\"", cs.c_str());
 
     qs = GetResourceDir();
-    cs = qs.toStdString();
+    cs = pv::path::ToUnicodePath(qs);
     dsv_info("GetResourceDir:\"%s\"", cs.c_str());
 
     qs = GetUserDataDir();
-    cs = qs.toStdString();
+    cs = pv::path::ToUnicodePath(qs);
     dsv_info("GetUserDataDir:\"%s\"", cs.c_str());
 
     qs = GetDecodeScriptDir();
-    cs = qs.toStdString();
+    cs = pv::path::ToUnicodePath(qs);
     dsv_info("GetDecodeScriptDir:\"%s\"", cs.c_str());
     //---------------end print directorys.
 
     _session->init();
-    pv::encoding::init();
+
     srd_log_set_context(dsv_log_context());
 
 #if defined(_WIN32) && defined(DEBUG_INFO)
diff --git a/DSView/pv/mainwindow.cpp b/DSView/pv/mainwindow.cpp
index 2e49e98b..a3a391aa 100644
--- a/DSView/pv/mainwindow.cpp
+++ b/DSView/pv/mainwindow.cpp
@@ -290,15 +290,17 @@ namespace pv
         // Try load from file.
         QString ldFileName(AppControl::Instance()->_open_file_name.c_str());
         if (ldFileName != "")
-        {
+        {   
+            std::string file_name = pv::path::ToUnicodePath(ldFileName);
+
             if (QFile::exists(ldFileName))
-            {
-                dsv_info("auto load file:%s", ldFileName.toUtf8().data());
+            {              
+                dsv_info("Auto load file:%s", file_name.c_str());
                 on_load_file(ldFileName);
             }
             else
             {
-                dsv_err("file is not exists:%s", ldFileName.toUtf8().data());
+                dsv_err("file is not exists:%s", file_name.c_str());
                 MsgBox::Show(L_S(STR_PAGE_MSG, S_ID(IDS_MSG_OPEN_FILE_ERROR), "Open file error!"), ldFileName, NULL);
             }
         }
@@ -606,13 +608,14 @@ namespace pv
             assert(false);
         }
 
-        dsv_info("Load session file: \"%s\"", name.toLocal8Bit().data());
+        std::string file_name = pv::path::ToUnicodePath(name);
+        dsv_info("Load session file: \"%s\"", file_name.c_str());
 
         QFile sf(name);
         bool bDone;
 
-        if (!sf.exists()){
-            dsv_warn("Warning: session file is not exists: \"%s\"", name.toLocal8Bit().data());
+        if (!sf.exists()){ 
+            dsv_warn("Warning: session file is not exists: \"%s\"", file_name.c_str());
             return false;
         }
 
@@ -1066,7 +1069,8 @@ namespace pv
             assert(false);
         }
 
-        dsv_info("Store session to file: \"%s\"", name.toLocal8Bit().data());
+        std::string file_name = pv::path::ToUnicodePath(name);
+        dsv_info("Store session to file: \"%s\"", file_name.c_str());
 
         QFile sf(name);
         if (!sf.open(QIODevice::WriteOnly | QIODevice::Text))
@@ -1696,10 +1700,12 @@ namespace pv
             break;
         
         case DSV_MSG_COLLECT_END:
+           dsv_info("Mainwindow:DSV_MSG_COLLECT_END");
             prgRate(0);
             _view->repeat_unshow();
             _view->on_state_changed(true);
             _protocol_widget->update_view_status();
+            dsv_info("Mainwindow-end:DSV_MSG_COLLECT_END");
             break;
 
         case DSV_MSG_END_COLLECT_WORK:
diff --git a/DSView/pv/sigsession.cpp b/DSView/pv/sigsession.cpp
index 373da972..325498ca 100644
--- a/DSView/pv/sigsession.cpp
+++ b/DSView/pv/sigsession.cpp
@@ -235,8 +235,10 @@ namespace pv
 
         _device_agent.update();
 
-        if (_device_agent.is_file())
-            dsv_info("Switch to file \"%s\" done.", _device_agent.name().toUtf8().data());
+        if (_device_agent.is_file()){
+            std::string dev_name = pv::path::ToUnicodePath(_device_agent.name());
+            dsv_info("Switch to file \"%s\" done.", dev_name.c_str());
+        }
         else
             dsv_info("Switch to device \"%s\" done.", _device_agent.name().toUtf8().data());
 
@@ -274,11 +276,12 @@ namespace pv
         assert(!_is_saving);
         assert(!_is_working);
 
-        dsv_info("Load file:\"%s\"", name.toUtf8().data());
+        std::string file_name = pv::path::ToUnicodePath(name);
+        dsv_info("Load file: \"%s\"", file_name.c_str());
 
-        std::string path = path::ToUnicodePath(name);
+        std::string file_str = name.toUtf8().toStdString();
 
-        if (ds_device_from_file(path.c_str()) != SR_OK)
+        if (ds_device_from_file(file_str.c_str()) != SR_OK)
         {
             dsv_err("%s", "Load file error!");
             return false;