diff --git a/app-childtask b/app-childtask
index ce3063f..a6c65f3 160000
--- a/app-childtask
+++ b/app-childtask
@@ -1 +1 @@
-Subproject commit ce3063ff602c4cdd4814523bf19d2b8b026a2fdf
+Subproject commit a6c65f34a9d4abd9a24c995de14d72213b343033
diff --git a/app-collections b/app-collections
index 24e845d..26fd5f0 160000
--- a/app-collections
+++ b/app-collections
@@ -1 +1 @@
-Subproject commit 24e845dd26acf4841ed3ecd109608f732a03df32
+Subproject commit 26fd5f0fd4ee566912c55cbb816976fcbfb13c01
diff --git a/app-fairsched b/app-fairsched
index 0dfbb9c..d78ee3c 160000
--- a/app-fairsched
+++ b/app-fairsched
@@ -1 +1 @@
-Subproject commit 0dfbb9ce44d00060577c0a078bd57f0e094aec27
+Subproject commit d78ee3cfb928261bd8a3250bba9f15d9c55556a6
diff --git a/arceos b/arceos
new file mode 160000
index 0000000..a5b24aa
--- /dev/null
+++ b/arceos
@@ -0,0 +1 @@
+Subproject commit a5b24aa6e8c31bcd2db8e7aa352666ee93614e40