diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..0d12baa
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "SimpleLogger"]
+	path = SimpleLogger
+	url = https://systems.reslate.xyz/git/ydeng/SimpleLogger.git
diff --git a/SimpleLogger b/SimpleLogger
index 3049ccc..f9931ee 160000
--- a/SimpleLogger
+++ b/SimpleLogger
@@ -1 +1 @@
-Subproject commit 3049cccc3efa3323a85f1ae591969b8f5d35be5d
+Subproject commit f9931eea4295353befffcf1880ea510cc259e9f2