diff --git a/doc/readme/pkuthss.bib b/doc/readme/pkuthss.bib
index b66a613..ea9e831 100644
--- a/doc/readme/pkuthss.bib
+++ b/doc/readme/pkuthss.bib
@@ -23,11 +23,11 @@
 @online{biblatex-caspervector,
 	author = {Vector, Casper Ti.},
 	title = {biblatex 参考文献和引用样式：caspervector},
-	edition = {Ver.\ 0.2.6},
+	edition = {Ver.\ 0.3.3},
 	type = {M/OL},
-	date = {2016-05-24},
+	date = {2018-06-29},
 	url = {https://ctan.org/pkg/biblatex-caspervector},
-	urldate = {2017-03-01},
+	urldate = {2018-07-02},
 	language = {chinese},
 }