diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..e405225
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,9 @@
+[submodule "model/duet"]
+	path = model/duet
+	url = https://gitea.snsd0805.com/snsd0805/adversarial_VLNDUET.git
+[submodule "model/airbert"]
+	path = model/airbert
+	url = https://gitea.snsd0805.com/snsd0805/adversarial_AIRBERT.git
+[submodule "model/vlnbert"]
+	path = model/vlnbert
+	url = https://gitea.snsd0805.com/snsd0805/adversarial_VLNBERT.git
diff --git a/README.md b/README.md
index c321668..0aa10c1 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,14 @@
-# found-not-found
\ No newline at end of file
+# found-not-found
+
+## Models
+
+These are models' repo.
+
+- VLN BERT: https://gitea.snsd0805.com/snsd0805/adversarial_VLNBERT
+- AIR BERT: https://gitea.snsd0805.com/snsd0805/adversarial_AIRBERT
+- VLN DUET: https://gitea.snsd0805.com/snsd0805/adversarial_VLNDUET
+
+```
+git submodule init
+git submodule update
+```
diff --git a/model/airbert b/model/airbert
new file mode 160000
index 0000000..7fab347
--- /dev/null
+++ b/model/airbert
@@ -0,0 +1 @@
+Subproject commit 7fab347934a4eeaabf6403882e6b69271c104809
diff --git a/model/duet b/model/duet
new file mode 160000
index 0000000..b2dce61
--- /dev/null
+++ b/model/duet
@@ -0,0 +1 @@
+Subproject commit b2dce6111efffd728419a83bfb6cc46070bd179b
diff --git a/model/vlnbert b/model/vlnbert
new file mode 160000
index 0000000..2fba923
--- /dev/null
+++ b/model/vlnbert
@@ -0,0 +1 @@
+Subproject commit 2fba923103e0a890933740453842869988fa5fae