diff --git a/.gitmodules b/.gitmodules
index 322cd7e0..c2a98197 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "Ubiquitous/RT_Thread/rt-thread"]
 	path = Ubiquitous/RT_Thread/rt-thread
 	url = https://git.trustie.net/chunyexixiaoyu/rt-thread.git
+[submodule "Ubiquitous/RT_Thread/bsp/k210/kendryte-sdk/kendryte-sdk-source"]
+	path = Ubiquitous/RT_Thread/bsp/k210/kendryte-sdk/kendryte-sdk-source
+	url = https://git.trustie.net/chunyexixiaoyu/kendryte-sdk-source.git
diff --git a/Ubiquitous/RT_Thread/bsp/k210/kendryte-sdk/kendryte-sdk-source b/Ubiquitous/RT_Thread/bsp/k210/kendryte-sdk/kendryte-sdk-source
new file mode 160000
index 00000000..9e287a60
--- /dev/null
+++ b/Ubiquitous/RT_Thread/bsp/k210/kendryte-sdk/kendryte-sdk-source
@@ -0,0 +1 @@
+Subproject commit 9e287a604e2e59abc46d936d35065d9aadd72ebc
diff --git a/Ubiquitous/RT_Thread/rt-thread b/Ubiquitous/RT_Thread/rt-thread
index 8a274211..c3afd9cc 160000
--- a/Ubiquitous/RT_Thread/rt-thread
+++ b/Ubiquitous/RT_Thread/rt-thread
@@ -1 +1 @@
-Subproject commit 8a274211f12214345cbcd82e8e92b658a54154f1
+Subproject commit c3afd9cc2363bb7ac26d28a0bf5f8f70cf0ee2dd