diff --git a/GPU_version/README.md b/GPU_version/README.md
index 1431a8a..947af53 100755
--- a/GPU_version/README.md
+++ b/GPU_version/README.md
@@ -31,6 +31,10 @@ The dependencies are:
     1. The estimated oriantetion is not accurate 
     2. There is a scale map issue in the algorithm 
     3. The number of matched points are increasing a lot we need to limit them in a way that will not cause some error in the estimated odometry
+    
+# Log fiels
+log files will be written in the project folder, you can change the path in the cmake files as well as activating debug mode or not
+https://github.com/Gfuse/vio_svo/blob/d3c857fd06bfe5c6180e6bc914a4a36a649c4292/GPU_version/vio/CMakeLists.txt#L89