diff --git a/.gitmodules b/.gitmodules
index affdd48..5db8f22 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,11 +1,18 @@
 [submodule "paip/book"]
 	path = paip/book
 	url = https://github.com/norvig/paip-lisp.git
-
 [submodule "usth/ICT2.8"]
 	path = usth/ICT2.8
 	url = https://github.com/McSinyx/os2020.git
-
 [submodule "usth/ICT2.9/speakerid"]
 	path = usth/ICT2.9/speakerid
 	url = https://github.com/McSinyx/speakerid.git
+[submodule "usth/ICT2.12/recipe"]
+	path = usth/ICT2.12/recipe
+	url = https://github.com/McSinyx/recipe.git
+[submodule "usth/ICT2.5/cheese-shop"]
+	path = usth/ICT2.5/cheese-shop
+	url = https://github.com/McSinyx/cheese-shop.git
+[submodule "usth/ICT2.5/practical/mywind"]
+	path = usth/ICT2.5/practical/mywind
+	url = https://github.com/dalers/mywind.git
diff --git a/usth/ICT2.5/cheese-shop b/usth/ICT2.5/cheese-shop
index 63ad0c3..00ea518 160000
--- a/usth/ICT2.5/cheese-shop
+++ b/usth/ICT2.5/cheese-shop
@@ -1 +1 @@
-Subproject commit 63ad0c373de0f57de4cd8032e0d6703cb2d2d41e
+Subproject commit 00ea518b3af9eceb7f848aced9942793337f80e1