diff --git a/python/oneflow/test/modules/test_sum.py b/python/oneflow/test/modules/test_sum.py
index dd3a9f44d16..c9c4438f377 100644
--- a/python/oneflow/test/modules/test_sum.py
+++ b/python/oneflow/test/modules/test_sum.py
@@ -93,7 +93,7 @@ def test_sum_dtype(test_case):
             x,
             dim=np.random.randint(0, 3),
             keepdim=random_bool(),
-            dtype=random_dtype(["arithmetic", "complex"]),
+            dtype=random_dtype(["arithmetic"]),
         )
         return y