diff --git a/paddlepalm/task_instance.py b/paddlepalm/task_instance.py
index 2c7f4d1292167971b433ea4f585e8bffe4364913..0a4249389b5f38478c732cd29867056592535220 100644
--- a/paddlepalm/task_instance.py
+++ b/paddlepalm/task_instance.py
@@ -123,7 +123,7 @@ class TaskInstance(object):
     def load(self, infer_model_path=None):
         if infer_model_path is None:
             infer_model_path = self._save_infermodel_path
-        or k,v in list(json.load(open(os.path.join(infer_model_path, '__conf__'))).items()): # py3
+        for k,v in list(json.load(open(os.path.join(infer_model_path, '__conf__'))).items()): # py3
             strv = self._save_protocol[k]
             exec('{}=v'.format(strv))
         pred_prog, self._pred_input_varname_list, self._pred_fetch_var_list = \