diff --git a/.gitmodules b/.gitmodules
index 8b19e9c..041f829 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -2,3 +2,7 @@
 	path = emulator
 	url = git@github.com:eggfly/M5CardputerZero-Emulator.git
 	branch = main
+[submodule "apps/nc2000"]
+	path = apps/nc2000
+	url = git@github.com:eggfly/CardputerZero-NC2000.git
+	branch = ci-cd
diff --git a/apps/nc2000 b/apps/nc2000
new file mode 160000
index 0000000..0b6b46c
--- /dev/null
+++ b/apps/nc2000
@@ -0,0 +1 @@
+Subproject commit 0b6b46c4507a8ee0da485570e3358d5375367305
diff --git a/emulator b/emulator
index 318527b..b4f44fb 160000
--- a/emulator
+++ b/emulator
@@ -1 +1 @@
-Subproject commit 318527b48b00349ab38de051876f4feab6772f2c
+Subproject commit b4f44fb314f627a4255f4fe6e43db2936ddf4320