diff --git a/.gitmodules b/.gitmodules
index 144e8e3d..dd5ccb8e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "third_party/f7"]
 	path = third_party/f7
 	url = git@git.kingsome.cn:server_common/f7.git
+[submodule "third_party/j7"]
+	path = third_party/j7
+	url = git@git.kingsome.cn:server_common/j7.git
diff --git a/third_party/j7 b/third_party/j7
new file mode 160000
index 00000000..59b3ef22
--- /dev/null
+++ b/third_party/j7
@@ -0,0 +1 @@
+Subproject commit 59b3ef222d3468ccb7096a801a43da7d9b158412