diff --git a/step1/jiance.sh b/step1/jiance.sh
index 315aff8..131e9f7 100644
--- a/step1/jiance.sh
+++ b/step1/jiance.sh
@@ -6,12 +6,16 @@ sh ./daan.sh
 
 a='rm'
 b='echo'
-
+c='EOF'
 if cat daan.sh|grep "$a">/dev/null
 then
         echo "使用rm属于作弊行为"
 if cat daan.sh|grep "$b">/dev/null
 then
         echo "使用echo属于作弊行为"
+if cat daan.sh|grep "$c">/dev/null
+then
+        echo "使用EOF属于作弊行为"
+fi
 fi
 fi
\ No newline at end of file