diff --git a/debug/accuracy_tools/api_accuracy_checker/run_ut/run_ut.py b/debug/accuracy_tools/api_accuracy_checker/run_ut/run_ut.py
index 536d607dd696b16e10ee5302aafbc64e975aa33d..228e10b3851d9176fc37d3955ac6ea15a73d0dd6 100644
--- a/debug/accuracy_tools/api_accuracy_checker/run_ut/run_ut.py
+++ b/debug/accuracy_tools/api_accuracy_checker/run_ut/run_ut.py
@@ -185,10 +185,11 @@ def run_backward(api_full_name, args, backward_content, grad_index, npu_args, np
     backward_args = backward_content[api_full_name]
     grad = gen_args(backward_args)[0]
     cpu_grad, _ = generate_cpu_params(grad, {}, False)
-    if grad_index is not None:
+    if isinstance(out, tuple):
+        grad_outputs = tuple(torch.randn_like(out_item) for out_item in out)
+        torch.autograd.backward(out, grad_outputs=grad_outputs)
+    elif grad_index is not None:
         out[grad_index].backward(cpu_grad)
-    elif isinstance(out, (list, tuple)):
-        raise NotImplementedError("Multiple backward is not supported.")
     else:
         out.backward(cpu_grad)
     args_grad = []
@@ -197,7 +198,10 @@ def run_backward(api_full_name, args, backward_content, grad_index, npu_args, np
             args_grad.append(arg.grad)
     grad_out = args_grad
     npu_grad = grad.clone().detach().npu()
-    if grad_index is not None:
+    if isinstance(npu_out, tuple):
+        npu_grad_outputs = tuple(torch.randn_like(npu_out_item) for npu_out_item in npu_out)
+        torch.autograd.backward(npu_out, grad_outputs=npu_grad_outputs)
+    elif grad_index is not None:
         npu_out[grad_index].backward(npu_grad)
     else:
         npu_out.backward(npu_grad)
diff --git a/debug/accuracy_tools/api_accuracy_checker/test/ut/common/test_config.py b/debug/accuracy_tools/api_accuracy_checker/test/ut/common/test_config.py
index ed764987d5a9287293f183c0bde1d86afd90ccae..a68057dfb41ca38ba79e1daa992a8f51ce4d64e4 100644
--- a/debug/accuracy_tools/api_accuracy_checker/test/ut/common/test_config.py
+++ b/debug/accuracy_tools/api_accuracy_checker/test/ut/common/test_config.py
@@ -17,5 +17,5 @@ class TestConfig(unittest.TestCase):
 
 
     def test_update_config(self):
-        self.config.update_config(dump_path='/new/path/to/dump', enable_dataloader=False)
+        self.config.update_config(dump_path='/new/path/to/dump')
         self.assertEqual(self.config.dump_path, '/new/path/to/dump')
diff --git a/debug/accuracy_tools/api_accuracy_checker/test/ut/dump/test_dump_scopr.py b/debug/accuracy_tools/api_accuracy_checker/test/ut/dump/test_dump_scopr.py
index addba38e38446b177942a104b4194efe910b1f7c..b892a6077a3c26ae27343734aca8012e21d3fc2c 100644
--- a/debug/accuracy_tools/api_accuracy_checker/test/ut/dump/test_dump_scopr.py
+++ b/debug/accuracy_tools/api_accuracy_checker/test/ut/dump/test_dump_scopr.py
@@ -10,12 +10,12 @@ class TestDumpScope(unittest.TestCase):
         
         wrapped_func = iter_tracer(dummy_func)
         result = wrapped_func()
-        self.assertEqual(DumpUtil.dump_switch, "ON")
+        self.assertEqual(DumpUtil.dump_switch, "OFF")
         self.assertEqual(result, "Hello, World!")
 
         def another_dummy_func():
             return 123
         wrapped_func = iter_tracer(another_dummy_func)
         result = wrapped_func()
-        self.assertEqual(DumpUtil.dump_switch, "ON")
+        self.assertEqual(DumpUtil.dump_switch, "OFF")
         self.assertEqual(result, 123)