diff --git a/main.cpp b/main.cpp
index 5c4b71f..43a5bc9 100644
--- a/main.cpp
+++ b/main.cpp
@@ -4,7 +4,7 @@
 #include <string>
 
 #define   K_VISION_DIR   "/hard/k_vision"
-#define   AI_VISION_DIR  "/hard/ai_vision"
+#define   AI_VISION_DIR  "/ssd/ai_vision"
 
 namespace fs = boost::filesystem;
 
@@ -204,8 +204,16 @@ int main(int argc, char* argv[]) {
         fs::path path(it);
         auto strName = path.filename().string();
         std::string strPath = std::string(szSaveDir) + strName;
-        fs::copy_file(it,strPath,fs::copy_option::overwrite_if_exists);
-        ++i;
+        boost::system::error_code err_code;
+        fs::copy_file(it,strPath,fs::copy_option::overwrite_if_exists, err_code);
+        if (err_code.value() == 0)
+        {
+            ++i;
+        }
+        else
+        {
+            std::cout << "error: copy file failed - " << it << std::endl;
+        }
         if (i % 50 == 0)
         {
             std::cout << "info: copy progress " << i << "/" << vec_matched_path.size() << std::endl;