diff --git a/md2zhihu/__init__.py b/md2zhihu/__init__.py
index 92737f9..5bc3404 100644
--- a/md2zhihu/__init__.py
+++ b/md2zhihu/__init__.py
@@ -1418,6 +1418,7 @@ def __init__(self, conf: Config, md_text: str):
 
         self.ast = parse_in_list_tables(self.ast)
 
+        # TODO: optional disable replacing ref
         self.used_refs = replace_ref_with_def(self.ast, self.refs)
 
         # extract already inlined math
@@ -1427,6 +1428,7 @@ def __init__(self, conf: Config, md_text: str):
         join_math_block(self.ast)
         self.ast = parse_math(self.ast)
 
+        # TODO: optional disable embed
         self.parse_embed()
 
     def parse_embed(self):
@@ -1435,7 +1437,6 @@ def parse_embed(self):
         self.used_refs.update(used_refs)
 
     def render(self):
-
         mdr = MDRender(self.conf, features=self.conf.features)
 
         root_node = {
diff --git a/test.sh b/test.sh
index 48e2ddb..4d74f45 100755
--- a/test.sh
+++ b/test.sh
@@ -11,4 +11,4 @@ python setup.py install
 # PYTHONPATH="$(cd ..; pwd)" pytest -x -v
 # PYTHONPATH="$(cd ..; pwd)" pytest -x -v -k test_simple
 # PYTHONPATH="$(cd ..; pwd)" pytest -x -v --show-capture=all -k test_minimal_mistake
-PYTHONPATH="$(cd ..; pwd)" pytest -x -v --show-capture=all -k test_github
+PYTHONPATH="$(cd ..; pwd)" pytest -x -v --show-capture=all -k test_weibo
diff --git a/test/data/weibo/want/simple.md b/test/data/weibo/want/simple.md
index 04db1ba..d6b3b55 100644
--- a/test/data/weibo/want/simple.md
+++ b/test/data/weibo/want/simple.md
@@ -121,7 +121,9 @@ table in list:
 Reference:
 
 - slim : [https://github.com/openacid/slim](https://github.com/openacid/slim)
+
 - slimarray : [https://github.com/openacid/slimarray](https://github.com/openacid/slimarray)
 
+
 [slim]: https://github.com/openacid/slim "slim"
 [slimarray]: https://github.com/openacid/slimarray "slimarray"