diff --git a/python/paddle/fluid/tests/unittests/distribution/test_distribution_beta.py b/python/paddle/fluid/tests/unittests/distribution/test_distribution_beta.py
index 1d23b0f79d26a16015d52652b7ab4ec746f9fbc5..a49a9d747ca0b4b69974c4a67f46e528b4ad3081 100644
--- a/python/paddle/fluid/tests/unittests/distribution/test_distribution_beta.py
+++ b/python/paddle/fluid/tests/unittests/distribution/test_distribution_beta.py
@@ -22,6 +22,8 @@ import config
 from config import ATOL, DEVICES, RTOL
 from parameterize import TEST_CASE_NAME, parameterize_cls, place, xrand
 
+np.random.seed(2022)
+
 
 @place(DEVICES)
 @parameterize_cls((TEST_CASE_NAME, 'alpha', 'beta'),