diff --git a/.gitmodules b/.gitmodules
index b667651228c9349b52b1aa5f7183bdd72efd0329..561b2abeefc400729c4d839c7945eecbd0d26bfb 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "yonglin_zhang/unit-testing"]
 	path = yonglin_zhang/unit-testing
 	url = git@gitee.com:black-bear-404_admin/unit-testing.git
+[submodule "yonglin_zhang/debug_info"]
+	path = yonglin_zhang/debug_info
+	url = git@gitee.com:black-bear-404_admin/debug_info.git
diff --git a/yonglin_zhang/CMakeLists.txt b/yonglin_zhang/CMakeLists.txt
index dc9b184c4067c174b79572f4b608e89109a85ccb..1e982b74595b618144c289ce0cd307d93e1332c9 100644
--- a/yonglin_zhang/CMakeLists.txt
+++ b/yonglin_zhang/CMakeLists.txt
@@ -2,5 +2,6 @@ cmake_minimum_required(VERSION 3.0)
 
 project(alg C)
 
+add_subdirectory(debug_info)
 add_subdirectory(unit-testing)
 add_subdirectory(link_list)
\ No newline at end of file
diff --git a/yonglin_zhang/debug_info b/yonglin_zhang/debug_info
new file mode 160000
index 0000000000000000000000000000000000000000..db21eddad3d223c0990580bbe609f2063dc9896e
--- /dev/null
+++ b/yonglin_zhang/debug_info
@@ -0,0 +1 @@
+Subproject commit db21eddad3d223c0990580bbe609f2063dc9896e