diff --git a/zh/10.3.md b/zh/10.3.md
index 5b8d383d..fdadae76 100644
--- a/zh/10.3.md
+++ b/zh/10.3.md
@@ -36,7 +36,7 @@
 
 	fmt.Println(Tr.Translate("submit"))
 	//输出Submit
-	Tr.SetLocale("zn")
+	Tr.SetLocale("zh")
 	fmt.Println(Tr.Translate("submit"))
 	//输出“递交”
 ```