diff --git a/application/admin/controller/wechat/Api.php b/application/admin/controller/wechat/Api.php
new file mode 100644
index 0000000..5b67cbc
--- /dev/null
+++ b/application/admin/controller/wechat/Api.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace app\admin\controller\wechat;
+
+use app\common\controller\Backend;
+use think\Db;
+
+/**
+ * 
+ *
+ * @icon fa fa-circle-o
+ */
+class Api extends Backend
+{
+    protected $noNeedRight = ['*'];
+    protected $noNeedLogin = ['*'];
+    public function select()
+    {
+        $series = Db::query("SELECT a.id,brand_id as pid, a.name FROM series a LEFT JOIN brands b ON a.brand_id = b.id;");
+        $brands = Db::query("SELECT id, 0 as pid, `name` FROM  brands;");
+
+        $this->series = $series;
+        $this->brands = $brands;
+
+        $data = array_merge($brands,$series);
+        $tree = $this->buildTree($data);
+
+        $formattedTree = $this->formatTree($tree);
+        return $this->return_json($formattedTree);
+    }
+}
diff --git a/application/common/controller/Backend.php b/application/common/controller/Backend.php
index 4abc157..784323f 100644
--- a/application/common/controller/Backend.php
+++ b/application/common/controller/Backend.php
@@ -647,4 +647,12 @@ class Backend extends Controller
 
         return $formattedTree;
     }
+
+    public function return_json($data = [],$msg = 'success',$code = 1){
+        return json([
+            'data' => $data,
+            'msg' => $msg,
+            'code' => $code
+        ]);
+    }
 }
diff --git a/application/config.php b/application/config.php
index c61ce8d..cfd581c 100755
--- a/application/config.php
+++ b/application/config.php
@@ -221,7 +221,7 @@ return [
         'host'   => Env::get('redis.redis_host'),      // Redis 服务器地址
         'port'   => Env::get('redis.redis_port'),             // Redis 端口
         'password' => Env::get('redis.redis_password'),             // Redis 密码，如果有的话
-        'select'  => 1,
+        'select'  => 4,
     ],
     // +----------------------------------------------------------------------
     // | Cookie设置