bug

application/model/Users.php

@@ -603,7 +603,7 @@ class Users extends Model
 
     public function unbundlingWx($buyer_id)
     {
-       return $this->where("buyer_id", $buyer_id)->save([ "buyer_id" => 0 ]);
+        return $this->where("buyer_id", $buyer_id)->setField("buyer_id", 0);
 
     }
 }