3 maanden geleden · cb7aa17f1b
--- a/static/images/study/shuxue/shuxue-tip.gif
+++ b/static/images/study/shuxue/shuxue-tip.gif
--- a/static/images/study/yingyu/yingyu-tip.gif
+++ b/static/images/study/yingyu/yingyu-tip.gif