diff --git a/.gitignore b/.gitignore
index e201a6a..3436e15 100644
--- a/.gitignore
+++ b/.gitignore
@@ -63,8 +63,8 @@ apps/server/static/temp/
 .env.*.local
 
 # PaddlePaddle external directories (external, not used anymore)
-PaddlePaddle/
-PaddleDetection/
+# PaddlePaddle/
+# PaddleDetection/
 
 # Third-party models and test directories (external)
 backend/
diff --git a/external/video-recognition-system/PaddlePaddle/PaddleDetection b/external/video-recognition-system/PaddlePaddle/PaddleDetection
new file mode 160000
index 0000000..dbb9f5b
--- /dev/null
+++ b/external/video-recognition-system/PaddlePaddle/PaddleDetection
@@ -0,0 +1 @@
+Subproject commit dbb9f5b2ccd99a68521527d63dcc3cc4bffc94c9
diff --git a/external/video-recognition-system/PaddlePaddle/PaddleVideo b/external/video-recognition-system/PaddlePaddle/PaddleVideo
new file mode 160000
index 0000000..18afeb5
--- /dev/null
+++ b/external/video-recognition-system/PaddlePaddle/PaddleVideo
@@ -0,0 +1 @@
+Subproject commit 18afeb51827c5bb12cc69a79fffef33b1a23fb25