diff --git a/deploy/paddleserving/recognition/test_cpp_serving_client.py b/deploy/paddleserving/recognition/test_cpp_serving_client.py
index ae8753250..a2bf1ae3e 100644
--- a/deploy/paddleserving/recognition/test_cpp_serving_client.py
+++ b/deploy/paddleserving/recognition/test_cpp_serving_client.py
@@ -198,5 +198,5 @@ if __name__ == "__main__":
     det_results = det.predict(imgpath)
 
     #2. get rec_results
-    rec_results = rec.predict(det_results, sys.argv[1])
+    rec_results = rec.predict(det_results, imgpath)
     print(rec_results)