Merge pull request #3232 from bingooo/dygraph

fix bug

ppocr/utils/save_load.py

@@ -91,14 +91,14 @@ def init_model(config, model, optimizer=None, lr_scheduler=None):
 
 def load_dygraph_params(config, model, logger, optimizer):
     ckp = config['Global']['checkpoints']
-    if ckp and os.path.exists(ckp):
+    if ckp and os.path.exists(ckp + ".pdparams"):
         pre_best_model_dict = init_model(config, model, optimizer)
         return pre_best_model_dict
     else:
         pm = config['Global']['pretrained_model']
         if pm is None:
             return {}
-        if not os.path.exists(pm) or not os.path.exists(pm + ".pdparams"):
+        if not os.path.exists(pm) and not os.path.exists(pm + ".pdparams"):
             logger.info(f"The pretrained_model {pm} does not exists!")
             return {}
         pm = pm if pm.endswith('.pdparams') else pm + '.pdparams'