- update service

src/service/Jd/UnionService.php

@@ -130,7 +130,7 @@ class UnionService extends Service
     public function param(array $param, string $name = '')
     {
         if (empty($name)) $this->param = $param;
-        else  $this->param[$name] = $param;
+        else  $this->param["$name"] = json_encode($param);
         return $this;
     }
 

src/service/PinDuoDuo/JinBaoService.php

@@ -121,7 +121,7 @@ class JinBaoService extends Service
     public function param(array $param, string $name = '')
     {
         if (empty($name)) $this->param = $param;
-        else  $this->param[$name] = $param;
+        else  $this->param["$name"] = json_encode($param);
         return $this;
     }
 

src/service/TaoBao/TbkService.php

@@ -133,7 +133,7 @@ class TbkService extends Service
     public function param(array $param, string $name = '')
     {
         if (empty($name)) $this->param = $param;
-        else  $this->param[$name] = $param;
+        else  $this->param["$name"] = json_encode($param);
         return $this;
     }