diff --git a/python/paddle/fluid/tests/unittests/CMakeLists.txt b/python/paddle/fluid/tests/unittests/CMakeLists.txt
index d35ba9233fcc006185578beed98ef22e1723d919..a3d572bdc745ce23479b10ca871c9871e213ec8b 100644
--- a/python/paddle/fluid/tests/unittests/CMakeLists.txt
+++ b/python/paddle/fluid/tests/unittests/CMakeLists.txt
@@ -334,6 +334,7 @@ list(REMOVE_ITEM TEST_OPS test_conv3d_transpose_op)
 # disable this unittest temporarily
 list(REMOVE_ITEM TEST_OPS test_imperative_data_loader_exception)
 list(REMOVE_ITEM TEST_OPS test_sampling_id_op)
+# disable test_parallel_executor_fetch_isolated_var
 list(REMOVE_ITEM TEST_OPS test_parallel_executor_fetch_isolated_var)
 list(REMOVE_ITEM TEST_OPS test_paddle_save_load)