diff --git a/data/paper b/data/paper
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--- a/data/paper
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-# 常见的查文献的网站，可以走实验室的代理或者在实验室直连
-# A common literature search website can go to the laboratory's agent or directly in the laboratory.
-
-# site in China mainland
-wanfangdata.com.cn
-cnki.net
-las.ac.cn
-csdl.ac.cn
-cnki.net
-159.226.100.31
-
-# site not in china mainland
-knovel.com
-newisiknowledge.com
-computingreviews.com
-isiknowledge.com
-acm.org
-sciencedirect.com
-ieee.org
-nature.com
-springerlink.com
-isiknowledge.com
-engineeringvillage.com
-csa.com
-scopus.com
\ No newline at end of file