diff --git a/doc/practice.txt b/doc/practice.txt
index b5039eb..d5a80e6 100644
--- a/doc/practice.txt
+++ b/doc/practice.txt
@@ -1,2 +1,3 @@
 TNT
-gushuqin_branch
\ No newline at end of file
+gushuqin_branch
+pull request
\ No newline at end of file