diff --git a/step1/jiance.sh b/step1/jiance.sh
index 131e9f7..6c6265c 100644
--- a/step1/jiance.sh
+++ b/step1/jiance.sh
@@ -7,6 +7,7 @@ sh ./daan.sh
 a='rm'
 b='echo'
 c='EOF'
+d='<<'
 if cat daan.sh|grep "$a">/dev/null
 then
         echo "使用rm属于作弊行为"
@@ -16,6 +17,10 @@ then
 if cat daan.sh|grep "$c">/dev/null
 then
         echo "使用EOF属于作弊行为"
+if cat daan.sh|grep "$d">/dev/null
+then
+        echo "使用重定向属于作弊行为"
+fi
 fi
 fi
 fi
\ No newline at end of file