diff --git a/tests/st/networks/models/resnet50/test_resnet50_imagenet.py b/tests/st/networks/models/resnet50/test_resnet50_imagenet.py
index a322a6c883..c991b469ee 100644
--- a/tests/st/networks/models/resnet50/test_resnet50_imagenet.py
+++ b/tests/st/networks/models/resnet50/test_resnet50_imagenet.py
@@ -381,5 +381,5 @@ def test_resnet_and_resnet_thor_imagenet_4p():
     for i in range(4, device_num + 4):
         os.system("rm -rf " + str(i))
     print("End training...")
-    assert thor_acc > 0.25
+    assert thor_acc > 0.22
     assert thor_cost < 21