diff --git a/zh/04.2.md b/zh/04.2.md
index 3103c74e..7081428a 100644
--- a/zh/04.2.md
+++ b/zh/04.2.md
@@ -97,7 +97,7 @@
 	slice:=[]string{"apple","pear","banane"}
 	
 	v := r.Form.Get("fruit")
-	for item in slice {
+	for _, item range slice {
 		if item == v {
 			return true
 		}