diff --git a/zh/08.3.md b/zh/08.3.md
index 3bae24fb..109e827f 100644
--- a/zh/08.3.md
+++ b/zh/08.3.md
@@ -90,7 +90,7 @@ Go没有为REST提供直接支持，但是因为RESTful是基于HTTP协议实现
 
 	func adduser(w http.ResponseWriter, r *http.Request) {
 		uid := r.FormValue("uid")
-		fmt.Fprint(w, "you are add user %s", uid)
+		fmt.Fprintf(w, "you are add user %s", uid)
 	}
 
 	func main() {