diff --git a/python/paddle_serving_client/__init__.py b/python/paddle_serving_client/__init__.py
index 0d173550c4db71508c08ab0ae04d1679ebbca445..6ea94a3885978e11304667cddcba35746258d440 100644
--- a/python/paddle_serving_client/__init__.py
+++ b/python/paddle_serving_client/__init__.py
@@ -203,7 +203,12 @@ class Client(object):
     def shape_check(self, feed, key):
         if key in self.lod_tensor_set:
             return
-        if len(feed[key]) != self.feed_tensor_len[key]:
+        if isinstance(feed[key],
+                      list) and len(feed[key]) != self.feed_tensor_len[key]:
+            raise SystemExit("The shape of feed tensor {} not match.".format(
+                key))
+        if type(feed[key]).__module__ == np.__name__ and np.size(feed[
+                key]) != self.feed_tensor_len[key]:
             raise SystemExit("The shape of feed tensor {} not match.".format(
                 key))