diff --git a/litemall-admin-api/src/main/java/org/linlinjava/litemall/admin/web/AdminRegionController.java b/litemall-admin-api/src/main/java/org/linlinjava/litemall/admin/web/AdminRegionController.java
index 133b7166..857a2d52 100644
--- a/litemall-admin-api/src/main/java/org/linlinjava/litemall/admin/web/AdminRegionController.java
+++ b/litemall-admin-api/src/main/java/org/linlinjava/litemall/admin/web/AdminRegionController.java
@@ -15,6 +15,8 @@ import org.springframework.web.bind.annotation.RestController;
 import javax.validation.constraints.NotNull;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
 
 @RestController
 @RequestMapping("/admin/region")