diff --git a/utils/qa b/utils/qa
index b3254e1..4dabad5 100755
--- a/utils/qa
+++ b/utils/qa
@@ -39,16 +39,16 @@ sync:
 
 spell:
 	@echo '======================================================================'
-	@echo '$@: "模版" -> "模板"; "绪言" -> "序言"'
+	@echo '$@: "模板" -> "模版"; "绪言" -> "序言"; maybe "需" -> "须"'
 	@echo '----------------------------------------------------------------------'
-	grep -rE --exclude-dir=.git '模板|绪言' .
+	grep -rE --exclude-dir=.git '需|模板|绪言' .
 	@echo
 
 blank:
 	@echo '======================================================================'
 	@echo '$@: check for trailing spaces and tabs'
 	@echo '----------------------------------------------------------------------'
-	! grep -r --exclude-dir=.git '[ 	]\+$$' .
+	! grep -r --exclude-dir=.git '[ 	]\+$$' --exclude '*.patch' .
 	@echo
 
 tail: