diff --git a/paddlespeech/t2s/exps/syn_utils.py b/paddlespeech/t2s/exps/syn_utils.py
index 751845912..4f2d1246d 100644
--- a/paddlespeech/t2s/exps/syn_utils.py
+++ b/paddlespeech/t2s/exps/syn_utils.py
@@ -592,9 +592,10 @@ def get_predictor(
 
     # after paddle 3.0, support new inference interface
     if paddlespeech.utils.satisfy_paddle_version('3.0.0-beta'):
-        model_name = model_file.split('.')[0]
-        assert model_name == params_file.split('.')[
-            0], "The prefix of model_file and params_file should be same."
+        model_name = str(model_file).rstrip('.pdmodel')
+        assert model_name == str(params_file).rstrip(
+            '.pdiparams'
+        ), "The prefix of model_file and params_file should be same."
         config = inference.Config(model_dir, model_name)
     else:
         config = inference.Config(