diff --git a/eladmin-system/src/main/java/me/zhengjie/modules/wms/bd/rest/MaterialCategoryController.java b/eladmin-system/src/main/java/me/zhengjie/modules/wms/bd/rest/MaterialCategoryController.java
index bda5b938..61b4c3ae 100644
--- a/eladmin-system/src/main/java/me/zhengjie/modules/wms/bd/rest/MaterialCategoryController.java
+++ b/eladmin-system/src/main/java/me/zhengjie/modules/wms/bd/rest/MaterialCategoryController.java
@@ -22,6 +22,7 @@ import org.springframework.web.bind.annotation.*;
 @RequestMapping("api")
 public class MaterialCategoryController {
 
+
     @Autowired
     private MaterialCategoryService materialCategoryService;