diff --git a/server/app/api/controller/GoodsCategory.php b/server/app/api/controller/GoodsCategory.php
index 3c3e7bfd..89060557 100644
--- a/server/app/api/controller/GoodsCategory.php
+++ b/server/app/api/controller/GoodsCategory.php
@@ -8,7 +8,7 @@ use think\facade\Validate;
 
 class GoodsCategory extends Api
 {
-    public $like_not_need_login = ['getLevelOneList', 'getListByLevelOne'];
+    public $like_not_need_login = ['getLevelOneList', 'getListByLevelOne', 'getThirdListByKeyword'];
 
     /**
      * 获取一级分类列表
@@ -38,4 +38,20 @@ class GoodsCategory extends Api
         }
         return JsonServer::error('请求方式错误');
     }
+
+    /**
+     * 获取一级分类下的后代分类
+     */
+    public function getThirdListByKeyword()
+    {
+        if($this->request->isGet()) {
+            $keyword = input('keyword/s', '');
+            if (empty($keyword)) {
+                return JsonServer::error('请输入关键词');
+            }
+            $list = GoodsCategoryLogic::getThirdListByKeyword($keyword);
+            return JsonServer::success('获取成功', $list);
+        }
+        return JsonServer::error('请求方式错误');
+    }
 }
diff --git a/server/app/api/logic/GoodsCategoryLogic.php b/server/app/api/logic/GoodsCategoryLogic.php
index 6db5c127..2ce11080 100644
--- a/server/app/api/logic/GoodsCategoryLogic.php
+++ b/server/app/api/logic/GoodsCategoryLogic.php
@@ -65,4 +65,34 @@ class GoodsCategoryLogic extends Logic
 
         return $list;
     }
+
+    /**
+     * 根据关键词获取批量的三级分类列表
+     * 注：完全匹配的词放到第一个
+     */
+    public static function getThirdListByKeyword($keyword)
+    {
+        $where = [];
+        $where[] = ['name', 'like', '%'.$keyword.'%'];
+        $where[] = ['level', '=', 3];
+        $where[] = ['is_show', '=', 1];
+        $list = GoodsCategory::field('id,name,image')
+            ->where($where)
+            ->order('sort', 'asc')
+            ->select()
+            ->toArray();
+
+        foreach($list as $key => $item) {
+            if ($keyword == $item['name']) {
+                // 关键词完全匹配的，提到数组最前面 也就是当前的key和0做交换
+                if ($key > 0) {
+                    $oldFirst = $list[0];
+                    $list[0] = $item;
+                    $list[$key] = $oldFirst;
+                }
+            }
+        }
+
+        return $list;
+    }
 }
\ No newline at end of file