diff --git a/ppocr/utils/save_load.py b/ppocr/utils/save_load.py
index b762c0bb74b19cd9b21cab3b6b1c4be2e2bbd6ba..1d760e983a635dcc6b48b839ee99434c67b4378d 100644
--- a/ppocr/utils/save_load.py
+++ b/ppocr/utils/save_load.py
@@ -91,7 +91,7 @@ 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: