diff --git a/tests/ut/ge/graph/passes/fuse_data_nodes_with_common_input_pass_unittest.cc b/tests/ut/ge/graph/passes/fuse_data_nodes_with_common_input_pass_unittest.cc
index aa69f6a3..8c3469c8 100644
--- a/tests/ut/ge/graph/passes/fuse_data_nodes_with_common_input_pass_unittest.cc
+++ b/tests/ut/ge/graph/passes/fuse_data_nodes_with_common_input_pass_unittest.cc
@@ -85,13 +85,13 @@ TEST_F(UtestFuseDataNodesWithCommonInputPass, graph_with_subgraph1) {
   EXPECT_EQ(input_data_node_num, 3);
 
   ComputeGraphPtr sub_graph = std::make_shared<ComputeGraph>("sub_graph");
-  auto data0 = MakeNode(parent_graph, 1, 1, "data0", "Data");
+  auto data0 = MakeNode(sub_graph, 1, 1, "data0", "Data");
   data0->GetOpDesc()->UpdateInputDesc(0, tensor_desc);
   data0->GetOpDesc()->UpdateOutputDesc(0, tensor_desc);
-  auto data1 = MakeNode(parent_graph, 1, 1, "data1", "Data");
+  auto data1 = MakeNode(sub_graph, 1, 1, "data1", "Data");
   data1->GetOpDesc()->UpdateInputDesc(0, tensor_desc);
   data1->GetOpDesc()->UpdateOutputDesc(0, tensor_desc);
-  auto data2 = MakeNode(parent_graph, 1, 1, "data2", "Data");
+  auto data2 = MakeNode(sub_graph, 1, 1, "data2", "Data");
   data2->GetOpDesc()->UpdateInputDesc(0, tensor_desc);
   data2->GetOpDesc()->UpdateOutputDesc(0, tensor_desc);
   (void)AttrUtils::SetInt(data0->GetOpDesc(), ATTR_NAME_PARENT_NODE_INDEX, 0);
@@ -100,19 +100,28 @@ TEST_F(UtestFuseDataNodesWithCommonInputPass, graph_with_subgraph1) {
 
   sub_graph->SetParentNode(parent_case);
   sub_graph->SetParentGraph(parent_graph);
-  EXPECT_EQ(pass_manager.Run(sub_graph), SUCCESS);
-  // after pass, data1 and data2 are fused to data0
+  parent_graph->AddSubgraph(sub_graph->GetName(), sub_graph);
+  size_t sub_graph_num = parent_graph->GetAllSubgraphs().size();
+  EXPECT_EQ(sub_graph_num, 1);
+
   auto data1_node = sub_graph->FindNode("data1");
-  EXPECT_EQ(data1_node, nullptr);
+  EXPECT_NE(data1_node, nullptr);
   auto data2_node = sub_graph->FindNode("data2");
-  EXPECT_EQ(data2_node, nullptr);
+  EXPECT_NE(data2_node, nullptr);
 
+  EXPECT_EQ(pass_manager.Run(parent_graph), SUCCESS);
+
+  // after pass, data1 and data2 are fused to data0
+  data1_node = sub_graph->FindNode("data1");
+  EXPECT_EQ(data1_node, nullptr);
+  data2_node = sub_graph->FindNode("data2");
+  EXPECT_EQ(data2_node, nullptr);
 }
 
 /// graph with subgraph
 ///            const
 ///          /       \
-///        cast1  cast2
+///        cast1  cast1
 ///          \      /
 ///             case
 ///              |
@@ -127,7 +136,6 @@ TEST_F(UtestFuseDataNodesWithCommonInputPass, graph_with_subgraph2) {
   ComputeGraphPtr parent_graph = std::make_shared<ComputeGraph>("parent_graph");
   auto parent_const = MakeNode(parent_graph, 0, 1, "parent_const", "Const");
   auto parent_cast1 = MakeNode(parent_graph, 1, 1, "parent_cast1", "Cast");
-  auto parent_cast2 = MakeNode(parent_graph, 1, 1, "parent_cast2", "Cast");
   auto parent_case = MakeNode(parent_graph, 2, 1, "parent_case", "Case");
   auto parent_output = MakeNode(parent_graph, 1, 0, "parent_output", "NetOutput");
 
@@ -136,23 +144,21 @@ TEST_F(UtestFuseDataNodesWithCommonInputPass, graph_with_subgraph2) {
   parent_const->GetOpDesc()->UpdateOutputDesc(0, tensor_desc);
   parent_cast1->GetOpDesc()->UpdateInputDesc(0, tensor_desc);
   parent_cast1->GetOpDesc()->UpdateOutputDesc(0, tensor_desc);
-  parent_cast2->GetOpDesc()->UpdateInputDesc(0, tensor_desc);
-  parent_cast2->GetOpDesc()->UpdateOutputDesc(0, tensor_desc);
   parent_case->GetOpDesc()->UpdateInputDesc(0, tensor_desc);
   parent_case->GetOpDesc()->UpdateInputDesc(1, tensor_desc);
   parent_case->GetOpDesc()->UpdateOutputDesc(0, tensor_desc);
 
   GraphUtils::AddEdge(parent_const->GetOutDataAnchor(0), parent_cast1->GetInDataAnchor(0));
   GraphUtils::AddEdge(parent_cast1->GetOutDataAnchor(0), parent_case->GetInDataAnchor(0));
-  GraphUtils::AddEdge(parent_const->GetOutDataAnchor(0), parent_cast2->GetInDataAnchor(0));
-  GraphUtils::AddEdge(parent_cast2->GetOutDataAnchor(0), parent_case->GetInDataAnchor(1));
+  GraphUtils::AddEdge(parent_const->GetOutDataAnchor(0), parent_cast1->GetInDataAnchor(0));
+  GraphUtils::AddEdge(parent_cast1->GetOutDataAnchor(0), parent_case->GetInDataAnchor(1));
   GraphUtils::AddEdge(parent_case->GetOutDataAnchor(0), parent_output->GetInDataAnchor(0));
 
   ComputeGraphPtr sub_graph = std::make_shared<ComputeGraph>("sub_graph");
-  auto data0 = MakeNode(parent_graph, 1, 1, "data0", "Data");
+  auto data0 = MakeNode(sub_graph, 1, 1, "data0", "Data");
   data0->GetOpDesc()->UpdateInputDesc(0, tensor_desc);
   data0->GetOpDesc()->UpdateOutputDesc(0, tensor_desc);
-  auto data1 = MakeNode(parent_graph, 1, 1, "data1", "Data");
+  auto data1 = MakeNode(sub_graph, 1, 1, "data1", "Data");
   data1->GetOpDesc()->UpdateInputDesc(0, tensor_desc);
   data1->GetOpDesc()->UpdateOutputDesc(0, tensor_desc);
   (void)AttrUtils::SetInt(data0->GetOpDesc(), ATTR_NAME_PARENT_NODE_INDEX, 0);
@@ -160,9 +166,17 @@ TEST_F(UtestFuseDataNodesWithCommonInputPass, graph_with_subgraph2) {
 
   sub_graph->SetParentNode(parent_case);
   sub_graph->SetParentGraph(parent_graph);
-  EXPECT_EQ(pass_manager.Run(sub_graph), SUCCESS);
-  // after pass, data1 is fused to data0
+  parent_graph->AddSubgraph(sub_graph->GetName(), sub_graph);
+
+  size_t sub_graph_num = parent_graph->GetAllSubgraphs().size();
+  EXPECT_EQ(sub_graph_num, 1);
   auto data1_node = sub_graph->FindNode("data1");
+  EXPECT_NE(data1_node, nullptr);
+
+  EXPECT_EQ(pass_manager.Run(parent_graph), SUCCESS);
+
+  // after pass, data1 is fused to data0
+  data1_node = sub_graph->FindNode("data1");
   EXPECT_EQ(data1_node, nullptr);
 }
 }  // namespace ge
diff --git a/tests/ut/ge/graph/passes/multi_batch_clone_pass_unittest.cc b/tests/ut/ge/graph/passes/multi_batch_clone_pass_unittest.cc
index b1cd6d4d..1b75a613 100644
--- a/tests/ut/ge/graph/passes/multi_batch_clone_pass_unittest.cc
+++ b/tests/ut/ge/graph/passes/multi_batch_clone_pass_unittest.cc
@@ -194,6 +194,9 @@ TEST_F(UtestMultiBatchClonePass, graph_with_subgraph) {
   auto func_node = MakeNode(owner, 3, 1, "test_if", "If");
   graph->SetParentNode(func_node);
   graph->SetParentGraph(owner);
+  owner->AddSubgraph(graph->GetName(), graph);
+  size_t sub_graph_num = owner->GetAllSubgraphs().size();
+  EXPECT_EQ(sub_graph_num, 1);
   EXPECT_EQ(pass_manager.Run(graph), SUCCESS);
 }