diff --git a/engine-core/.gitignore b/engine-core/.gitignore
index 43f2993..9473a91 100755
--- a/engine-core/.gitignore
+++ b/engine-core/.gitignore
@@ -25,4 +25,7 @@
 /*/build
 
 /bin
-/*/bin
\ No newline at end of file
+/*/bin
+
+/out
+/*/out
\ No newline at end of file
diff --git a/engine-demo/.gitignore b/engine-demo/.gitignore
index 6aca3e9..69095d4 100755
--- a/engine-demo/.gitignore
+++ b/engine-demo/.gitignore
@@ -27,4 +27,7 @@
 /bin
 /*/bin
 
-/*/logs
\ No newline at end of file
+/*/logs
+
+/out
+/*/out
\ No newline at end of file
diff --git a/engine-ext/.gitignore b/engine-ext/.gitignore
index 43f2993..6e094a8 100755
--- a/engine-ext/.gitignore
+++ b/engine-ext/.gitignore
@@ -25,4 +25,8 @@
 /*/build
 
 /bin
-/*/bin
\ No newline at end of file
+/*/bin
+
+
+/out
+/*/out
\ No newline at end of file
diff --git a/libra b/libra
index 96217ba..6048ecb 160000
--- a/libra
+++ b/libra
@@ -1 +1 @@
-Subproject commit 96217baf8fc9510444c20dbe1872339f798096e7
+Subproject commit 6048ecbaed70b0d099d438bfe16c7a0d89d59f05