'123'

@@ -126,7 +126,7 @@ class Client extends JssdkClient
      */
      */
     public function contractConfig(array $params): array
     public function contractConfig(array $params): array
     {
     {
-        $params['appid'] = $this->app['config']->app_id;
+        $params['appId'] = $this->app['config']->app_id;
         $params['timestamp'] = time();
         $params['timestamp'] = time();
 
 
         $params['sign'] = Support\generate_sign($params, $this->app['config']->key);
         $params['sign'] = Support\generate_sign($params, $this->app['config']->key);