diff --git a/DESCRIPTION b/DESCRIPTION
index b613bda..b611a49 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: UCSCXenaTools
 Title: Download and Explore Datasets from UCSC Xena Data Hubs
-Version: 1.2.7
+Version: 1.2.8
 Authors@R: c(person("Shixiang", "Wang", email = "w_shixiang@163.com", role = c("aut", "cre"), 
             comment = c(ORCID = "0000-0001-9855-7357")),
             person("Xue-Song", "Liu", role = "aut", comment = c(ORCID = "0000-0002-7736-0077")),
diff --git a/NEWS.md b/NEWS.md
index abe15a2..f096960 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,9 @@
+# v1.2.8
+
+## Bug fixes
+
+* #14 fixed
+
 # v1.2.7
 
 ## Changes
diff --git a/vignettes/USCSXenaTools.Rmd b/vignettes/USCSXenaTools.Rmd
index ac81774..5cb3b2d 100644
--- a/vignettes/USCSXenaTools.Rmd
+++ b/vignettes/USCSXenaTools.Rmd
@@ -74,7 +74,7 @@ Currently, **UCSCXenaTools** supports 10 data hubs of UCSC Xena.
 * Treehouse Hub: <https://xena.treehouse.gi.ucsc.edu>
 * PCAWG Hub: <https://pcawg.xenahubs.net>
 * ATAC-seq Hub: <https://atacseq.xenahubs.net>
-* Singel Cell Xena hub: <https://singlecell.xenahubs.net>
+* Singel Cell Xena hub: <https://singlecellnew.xenahubs.net >
 
 If any url of data hub is changed or a new data hub is online, please remind me by emailing to <w_shixiang@163.com> or [opening an issue on GitHub](https://github.com/ropensci/UCSCXenaTools/issues).