diff --git a/study_ing b/study_ing
index 5d7665d..a591fe1 160000
--- a/study_ing
+++ b/study_ing
@@ -1 +1 @@
-Subproject commit 5d7665d6f49a4f80fd93c0e2ad1d98a496c3c3b1
+Subproject commit a591fe13118aed0673031d3e684fd6108c266686