diff --git a/apps/Makefile b/apps/Makefile
index 957f6a5d2c02c664e868067bc7dd70036449c900..d27ce678c8248f1aa90eb8860deff1f09c17909b 100644
--- a/apps/Makefile
+++ b/apps/Makefile
@@ -1,6 +1,7 @@
 apps += base event eventx util
 apps += network
 apps += terminal
+apps += log
 apps += main
 apps += sample
 
diff --git a/apps/cpp_tbox b/apps/cpp_tbox
index cfbe198ef0a45381c962451372cf8f4737d78584..0fac3d757935d10b84b6c86e2e71bc3ee29f5ae3 160000
--- a/apps/cpp_tbox
+++ b/apps/cpp_tbox
@@ -1 +1 @@
-Subproject commit cfbe198ef0a45381c962451372cf8f4737d78584
+Subproject commit 0fac3d757935d10b84b6c86e2e71bc3ee29f5ae3
diff --git a/apps/log b/apps/log
new file mode 120000
index 0000000000000000000000000000000000000000..27e89ffd5ea1b49635cc7b44d12b8236831c8f39
--- /dev/null
+++ b/apps/log
@@ -0,0 +1 @@
+cpp_tbox/log/
\ No newline at end of file