diff --git a/Makefile b/Makefile
index efee014d..3bc16637 100644
--- a/Makefile
+++ b/Makefile
@@ -154,7 +154,7 @@ log-monitor:
 .PHONY: update-submodules
 update-submodules:
 	@echo "更新子模块"
-	@git submodule update --init --recursive
+	@git submodule update --recursive
 	@git submodule foreach git pull origin master
 
 .PHONY: update-submodules-by-mirror
diff --git a/kernel/submodules/DragonStub b/kernel/submodules/DragonStub
index a0921711..bf26173f 160000
--- a/kernel/submodules/DragonStub
+++ b/kernel/submodules/DragonStub
@@ -1 +1 @@
-Subproject commit a09217116ba686489b46f0bee85581924604b2f6
+Subproject commit bf26173f2b67d188d3c531d8b36e982748b062fc