分类名称添加@Unique唯一注解

vehicle-server/src/main/java/com/chelvc/cloud/vehicle/server/entity/Category.java

@@ -3,6 +3,7 @@ package com.chelvc.cloud.vehicle.server.entity;
 import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.chelvc.cloud.vehicle.api.constant.CategoryType;
+import com.chelvc.framework.database.annotation.Unique;
 import com.chelvc.framework.database.entity.ModifyEntity;
 import lombok.AllArgsConstructor;
 import lombok.Data;
@@ -38,6 +39,7 @@ public class Category extends ModifyEntity<Long> {
     /**
      * 分类名称
      */
+    @Unique(message = "分类名称已存在")
     private String name;
 
     /**

vehicle-server/src/main/java/com/chelvc/cloud/vehicle/server/service/impl/CategoryServiceImpl.java

@@ -31,8 +31,6 @@ public class CategoryServiceImpl extends ServiceImpl<CategoryMapper, Category> i
         com.chelvc.cloud.vehicle.api.service.CategoryService {
     @Override
     public Long addCategory(@NonNull CategoryModifyParam param) {
-        Integer count = this.lambdaQuery().eq(Category::getName, param.getName()).count();
-        ResourceUtils.available(count <= 0, "分类名称已存在");
         Category category = CategoryCopier.INSTANCE.copying(param);
         this.save(category);
         return category.getId();