diff --git a/src/main/java/com/hxtec/polaris/controller/CategoryController.java b/src/main/java/com/hxtec/polaris/controller/CategoryController.java
index dbfd53e99baac7976e9dcee36d276ef12d095c52..22e7b42c45447376231639e080c420cba0492991 100644
--- a/src/main/java/com/hxtec/polaris/controller/CategoryController.java
+++ b/src/main/java/com/hxtec/polaris/controller/CategoryController.java
@@ -77,4 +77,14 @@ public class CategoryController {
     public Object updateCategory(HttpServletRequest request,String id, String pid, String name){
         return categoryService.updateCategory(request,pid,id,name);
     }
+
+    /**
+     * 构建分类tree
+     * @param id
+     * @return
+     */
+    @GetMapping("buildTree")
+    public Object buildTree(Integer id){
+        return categoryService.buildTree(id);
+    }
 }
diff --git a/src/main/java/com/hxtec/polaris/mapper/ShopCategoryMapper.java b/src/main/java/com/hxtec/polaris/mapper/ShopCategoryMapper.java
index 525e96a258494080540325933da9d2da524d2a93..e6c8d806827cec7c3c56a2f62b0247a02d2ab2a1 100644
--- a/src/main/java/com/hxtec/polaris/mapper/ShopCategoryMapper.java
+++ b/src/main/java/com/hxtec/polaris/mapper/ShopCategoryMapper.java
@@ -5,6 +5,7 @@ import org.apache.ibatis.annotations.Param;
 import tk.mybatis.mapper.MyMapper;
 
 import java.util.List;
+import java.util.Map;
 
 /**
  * @author yonyong
@@ -75,4 +76,17 @@ public interface ShopCategoryMapper extends MyMapper<ShopCategory> {
      * @return
      */
     Integer updateCategoryPath(@Param("id") String id,@Param("path") String path);
+
+    /**
+     * 初始化tree
+     * @return
+     */
+    List<Map<String,Object>> getFirstTree();
+
+    /**
+     * 获取下级分类信息
+     * @param id
+     * @return
+     */
+    List<Map<String,Object>> getChildTree(Integer id);
 }
\ No newline at end of file
diff --git a/src/main/java/com/hxtec/polaris/service/CategoryService.java b/src/main/java/com/hxtec/polaris/service/CategoryService.java
index 5d7242ba6af08a90ae5d040018511684ce048136..42200fdfc453a31117999b4d514e7aaee6c2e1f6 100644
--- a/src/main/java/com/hxtec/polaris/service/CategoryService.java
+++ b/src/main/java/com/hxtec/polaris/service/CategoryService.java
@@ -35,4 +35,11 @@ public interface CategoryService {
      * @return
      */
     Object updateCategory(HttpServletRequest request, String pid, String id, String name);
+
+    /**
+     * 构建分类tree
+     * @param id
+     * @return
+     */
+    Object buildTree(Integer id);
 }
diff --git a/src/main/java/com/hxtec/polaris/service/impl/CategoryServiceImpl.java b/src/main/java/com/hxtec/polaris/service/impl/CategoryServiceImpl.java
index f3c560b3121912e24745a3d8fe07174f42ffde7f..53d7de27d0428115a07664bdcf9750b78c405e79 100644
--- a/src/main/java/com/hxtec/polaris/service/impl/CategoryServiceImpl.java
+++ b/src/main/java/com/hxtec/polaris/service/impl/CategoryServiceImpl.java
@@ -21,6 +21,7 @@ import javax.servlet.http.HttpServletRequest;
 import java.text.MessageFormat;
 import java.util.Date;
 import java.util.List;
+import java.util.Map;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.ThreadFactory;
 
@@ -134,6 +135,19 @@ public class CategoryServiceImpl implements CategoryService {
         return Result.ok(Msg.CATEGORY_UPDATE_OK);
     }
 
+    @Override
+    public Object buildTree(Integer id) {
+        if (null == id){
+            //初始化tree
+            List<Map<String,Object>> mapList = shopCategoryMapper.getFirstTree();
+            return Result.ok(mapList);
+        }else {
+            //获取下级分类信息
+            List<Map<String,Object>> mapList = shopCategoryMapper.getChildTree(id);
+            return Result.ok(mapList);
+        }
+    }
+
     /**
      * ShopCategory实例赋值
      * @param pid
diff --git a/src/main/resources/mapper/ShopCategoryMapper.xml b/src/main/resources/mapper/ShopCategoryMapper.xml
index f0deae71364b9797a52662363f6cfad5b006dcc5..130cc06f4d85791d8137459fd19ca8ef9fe7843e 100644
--- a/src/main/resources/mapper/ShopCategoryMapper.xml
+++ b/src/main/resources/mapper/ShopCategoryMapper.xml
@@ -38,6 +38,17 @@
     from  shop_category
     where is_delete='N' and id = #{id}
   </select>
+    <select id="getFirstTree" resultType="java.util.Map">
+      SELECT
+      <include refid="Base_Column_List" />
+      from shop_category WHERE (isnull(parent_id) or parent_id='') and is_delete=&#39;N&#39;
+    </select>
+
+    <select id="getChildTree" resultType="java.util.Map">
+      SELECT
+      <include refid="Base_Column_List" />
+      from shop_category WHERE parent_id=#{id} and is_delete=&#39;N&#39;
+    </select>
 
   <insert id="insertCategory" parameterType="com.hxtec.polaris.entity.ShopCategory" useGeneratedKeys="true" keyProperty="id">
     insert into shop_category (parent_id, is_parent,