diff --git a/.gitmodules b/.gitmodules
index c51bb3a..b161118 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "wuhan2020"]
 	path = wuhan2020
 	url = git@github.com:wuhan2020/wuhan2020.git
+	ignore=all
diff --git a/wuhan2020 b/wuhan2020
new file mode 160000
index 0000000..810de06
--- /dev/null
+++ b/wuhan2020
@@ -0,0 +1 @@
+Subproject commit 810de061e34c857f617703d3abd42bc97e5a840d