diff --git a/ge/CMakeLists.txt b/ge/CMakeLists.txt
index 404c0928..6ff9f5d9 100755
--- a/ge/CMakeLists.txt
+++ b/ge/CMakeLists.txt
@@ -307,7 +307,7 @@ set(TRAIN_SRC_LIST
     "graph/passes/merge_to_stream_merge_pass.cc"
     "graph/passes/merge_input_memcpy_pass.cc"
     "graph/passes/switch_to_stream_switch_pass.cc"
-    "graph/passes/mark_branch_force_unknown_pass.cc"
+    "graph/passes/mark_force_unknown_for_cond_pass.cc"
     "graph/passes/attach_stream_label_pass.cc"
     "graph/passes/switch_dead_branch_elimination.cc"
     "graph/passes/replace_transshape_pass.cc"
@@ -585,7 +585,7 @@ set(INFER_SRC_LIST
     "graph/passes/merge_to_stream_merge_pass.cc"
     "graph/passes/merge_input_memcpy_pass.cc"
     "graph/passes/switch_to_stream_switch_pass.cc"
-    "graph/passes/mark_branch_force_unknown_pass.cc"
+    "graph/passes/mark_force_unknown_for_cond_pass.cc"
     "graph/passes/attach_stream_label_pass.cc"
     "graph/passes/multi_batch_pass.cc"
     "graph/passes/multi_batch_clone_pass.cc"
diff --git a/ge/graph/manager/graph_manager.cc b/ge/graph/manager/graph_manager.cc
index a71d2ab7..819198b0 100755
--- a/ge/graph/manager/graph_manager.cc
+++ b/ge/graph/manager/graph_manager.cc
@@ -65,7 +65,7 @@
 #include "graph/passes/merge_pass.h"
 #include "graph/passes/merge_input_memcpy_pass.h"
 #include "graph/passes/merge_to_stream_merge_pass.h"
-#include "graph/passes/mark_branch_force_unknown_pass.h"
+#include "graph/passes/mark_force_unknown_for_cond_pass.h"
 #include "graph/passes/multi_batch_pass.h"
 #include "graph/passes/next_iteration_pass.h"
 #include "graph/passes/permute_pass.h"
@@ -2537,8 +2537,8 @@ Status GraphManager::OptimizeStage1(ge::ComputeGraphPtr &compute_graph) {
   GE_CHK_STATUS_RET(graph_pass.AddPass("OptimizeStage1_3::Migration", new (std::nothrow) SubgraphConstMigrationPass));
   GE_CHK_STATUS_RET(graph_pass.AddPass("OptimizeStage1_3::ArgsClean", new (std::nothrow) UnusedArgsCleanPass));
   GE_CHK_STATUS_RET(graph_pass.AddPass("OptimizeStage1_3::PrunePass", new (std::nothrow) PrunePass));
-  auto mark_force_unknown_pass = new (std::nothrow) MarkBranchForceUnknownPass;
-  GE_CHK_STATUS_RET(graph_pass.AddPass("OptimizeStage1_3::MarkBranchForceUnknownPass", mark_force_unknown_pass));
+  auto mark_force_unknown_pass = new (std::nothrow) MarkForceUnknownForCondPass;
+  GE_CHK_STATUS_RET(graph_pass.AddPass("OptimizeStage1_3::MarkForceUnknownForCondPass", mark_force_unknown_pass));
   GE_CHK_STATUS_RET(graph_pass.AddPass("OptimizeStage1_3::NextIterationPass", new (std::nothrow) NextIterationPass))
   GE_CHK_STATUS_RET(graph_pass.AddPass("OptimizeStage1_3::ControlTriggerPass", new (std::nothrow) ControlTriggerPass))
   GE_CHK_STATUS_RET(
diff --git a/ge/graph/passes/mark_branch_force_unknown_pass.cc b/ge/graph/passes/mark_force_unknown_for_cond_pass.cc
similarity index 92%
rename from ge/graph/passes/mark_branch_force_unknown_pass.cc
rename to ge/graph/passes/mark_force_unknown_for_cond_pass.cc
index c4c5d1dd..d0b9af7e 100644
--- a/ge/graph/passes/mark_branch_force_unknown_pass.cc
+++ b/ge/graph/passes/mark_force_unknown_for_cond_pass.cc
@@ -1,5 +1,5 @@
 /**
- * Copyright 2019-2020 Huawei Technologies Co., Ltd
+ * Copyright 2020-2021 Huawei Technologies Co., Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#include "mark_branch_force_unknown_pass.h"
+#include "mark_force_unknown_for_cond_pass.h"
 
 #include <queue>
 
@@ -35,8 +35,8 @@ inline bool IsMergeInLoop(const NodePtr &node) {
 }
 }
 
-Status MarkBranchForceUnknownPass::Run(ComputeGraphPtr graph) {
-  GELOGD("MarkBranchForceUnknownPass Enter");
+Status MarkForceUnknownForCondPass::Run(ComputeGraphPtr graph) {
+  GELOGD("MarkForceUnknownForCondPass Enter");
   for (const auto &node : graph->GetDirectNode()) {
     std::string node_type;
     GE_CHK_STATUS_RET(GetOriginalType(node, node_type), "Get original type failed.");
@@ -58,7 +58,7 @@ Status MarkBranchForceUnknownPass::Run(ComputeGraphPtr graph) {
     MarkUnknownForSwitch(node);
   }
 
-  GELOGD("MarkBranchForceUnknownPass Leave");
+  GELOGD("MarkForceUnknownForCondPass Leave");
   return SUCCESS;
 }
 
@@ -67,7 +67,7 @@ Status MarkBranchForceUnknownPass::Run(ComputeGraphPtr graph) {
 /// @param [in] merge node
 /// @return
 ///
-void MarkBranchForceUnknownPass::MarkUnknownForSwitch(const NodePtr &node) {
+void MarkForceUnknownForCondPass::MarkUnknownForSwitch(const NodePtr &node) {
   // Switch --> {Switch --> Merge} --> Merge
   std::vector<NodePtr> switch_group;
   std::unordered_set<NodePtr> nodes_seen;
diff --git a/ge/graph/passes/mark_branch_force_unknown_pass.h b/ge/graph/passes/mark_force_unknown_for_cond_pass.h
similarity index 74%
rename from ge/graph/passes/mark_branch_force_unknown_pass.h
rename to ge/graph/passes/mark_force_unknown_for_cond_pass.h
index 4b7f6668..65e09394 100644
--- a/ge/graph/passes/mark_branch_force_unknown_pass.h
+++ b/ge/graph/passes/mark_force_unknown_for_cond_pass.h
@@ -1,5 +1,5 @@
 /**
- * Copyright 2019-2020 Huawei Technologies Co., Ltd
+ * Copyright 2020-2021 Huawei Technologies Co., Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,13 +14,13 @@
  * limitations under the License.
  */
 
-#ifndef GE_GRAPH_PASSES_MARK_BRANCH_FORCE_UNKNOWN_PASS_H_
-#define GE_GRAPH_PASSES_MARK_BRANCH_FORCE_UNKNOWN_PASS_H_
+#ifndef GE_GRAPH_PASSES_MARK_FORCE_UNKNOWN_FOR_COND_PASS_H_
+#define GE_GRAPH_PASSES_MARK_FORCE_UNKNOWN_FOR_COND_PASS_H_
 
 #include "inc/graph_pass.h"
 
 namespace ge {
-class MarkBranchForceUnknownPass : public GraphPass {
+class MarkForceUnknownForCondPass : public GraphPass {
  public:
   Status Run(ComputeGraphPtr graph);
 
@@ -33,4 +33,4 @@ class MarkBranchForceUnknownPass : public GraphPass {
   void MarkUnknownForSwitch(const NodePtr &node);
 };
 } // namespace ge
-#endif  // GE_GRAPH_PASSES_MARK_BRANCH_FORCE_UNKNOWN_PASS_H_
+#endif  // GE_GRAPH_PASSES_MARK_FORCE_UNKNOWN_FOR_COND_PASS_H_
diff --git a/tests/ut/ge/CMakeLists.txt b/tests/ut/ge/CMakeLists.txt
index 55db48e2..9a5806a7 100755
--- a/tests/ut/ge/CMakeLists.txt
+++ b/tests/ut/ge/CMakeLists.txt
@@ -239,7 +239,7 @@ set(COMMON_SRC_FILES
     "${GE_CODE_DIR}/ge/graph/passes/merge_to_stream_merge_pass.cc"
     "${GE_CODE_DIR}/ge/graph/passes/merge_input_memcpy_pass.cc"
     "${GE_CODE_DIR}/ge/graph/passes/switch_to_stream_switch_pass.cc"
-    "${GE_CODE_DIR}/ge/graph/passes/mark_branch_force_unknown_pass.cc"
+    "${GE_CODE_DIR}/ge/graph/passes/mark_force_unknown_for_cond_pass.cc"
     "${GE_CODE_DIR}/ge/graph/passes/attach_stream_label_pass.cc"
     "${GE_CODE_DIR}/ge/graph/passes/multi_batch_pass.cc"
     "${GE_CODE_DIR}/ge/graph/passes/multi_batch_clone_pass.cc"
@@ -704,7 +704,7 @@ set(PASS_TEST_FILES
     "graph/passes/net_output_pass_unittest.cc"
     "graph/passes/no_use_reshape_remove_pass_unittest.cc"
     "graph/passes/infershape_pass_unittest.cc"
-    "graph/passes/mark_branch_force_unknown_pass_unittest.cc"
+    "graph/passes/mark_force_unknown_for_cond_pass_unittest.cc"
     "graph/passes/multi_batch_clone_pass_unittest.cc"
     "graph/passes/replace_with_empty_const_pass_unittest.cc"
     "graph/passes/link_gen_mask_nodes_pass_unittest.cc"
diff --git a/tests/ut/ge/graph/passes/mark_branch_force_unknown_pass_unittest.cc b/tests/ut/ge/graph/passes/mark_force_unknown_for_cond_pass_unittest.cc
similarity index 94%
rename from tests/ut/ge/graph/passes/mark_branch_force_unknown_pass_unittest.cc
rename to tests/ut/ge/graph/passes/mark_force_unknown_for_cond_pass_unittest.cc
index 7f1b05ff..b416d958 100644
--- a/tests/ut/ge/graph/passes/mark_branch_force_unknown_pass_unittest.cc
+++ b/tests/ut/ge/graph/passes/mark_force_unknown_for_cond_pass_unittest.cc
@@ -1,5 +1,5 @@
 /**
- * Copyright 2019-2020 Huawei Technologies Co., Ltd
+ * Copyright 2020-2021 Huawei Technologies Co., Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,7 +18,7 @@
 
 #define protected public
 #define private public
-#include "graph/passes/mark_branch_force_unknown_pass.h"
+#include "graph/passes/mark_force_unknown_for_cond_pass.h"
 
 #include "graph/utils/tensor_utils.h"
 #include "graph/utils/graph_utils.h"
@@ -29,7 +29,7 @@
 using namespace std;
 using namespace testing;
 namespace ge {
-class UtestMarkBranchForceUnknownPass : public testing::Test {
+class UtestMarkForceUnknownForCondPass : public testing::Test {
  protected:
   void SetUp() {}
   void TearDown() {}
@@ -194,28 +194,28 @@ static void CreateCondGraph(ComputeGraphPtr &graph, NodePtr &merge) {
   merge = merge1;
 }
 
-TEST_F(UtestMarkBranchForceUnknownPass, skip_while_loop_merge) {
+TEST_F(UtestMarkForceUnknownForCondPass, skip_while_loop_merge) {
   auto graph = std::make_shared<ComputeGraph>("test_graph");
   NodePtr merge;
   CreateLoopGraph(graph, merge);
 
   AttrUtils::SetBool(merge->GetOpDesc(), ATTR_NAME_FORCE_UNKNOWN_SHAPE, true);
 
-  MarkBranchForceUnknownPass mark_force_unknown_pass;
+  MarkForceUnknownForCondPass mark_force_unknown_pass;
   EXPECT_EQ(mark_force_unknown_pass.Run(graph), SUCCESS);   // skip LoopCond
 }
 
-TEST_F(UtestMarkBranchForceUnknownPass, skip_known_shape_merge) {
+TEST_F(UtestMarkForceUnknownForCondPass, skip_known_shape_merge) {
   auto graph = std::make_shared<ComputeGraph>("test_graph");
   NodePtr merge;
   CreateCondGraph(graph, merge);
 
-  MarkBranchForceUnknownPass mark_force_unknown_pass;
+  MarkForceUnknownForCondPass mark_force_unknown_pass;
   EXPECT_EQ(mark_force_unknown_pass.Run(graph), SUCCESS);   // skip known shape merge
 }
 
 
-TEST_F(UtestMarkBranchForceUnknownPass, mark_unknown_shape_merge) {
+TEST_F(UtestMarkForceUnknownForCondPass, mark_unknown_shape_merge) {
   auto graph = std::make_shared<ComputeGraph>("test_graph");
   NodePtr merge;
   CreateCondGraph(graph, merge);
@@ -224,7 +224,7 @@ TEST_F(UtestMarkBranchForceUnknownPass, mark_unknown_shape_merge) {
   tensor_desc.SetShape(GeShape({-1}));  // Set for unknown.
   merge->GetOpDesc()->UpdateOutputDesc(0, tensor_desc);
 
-  MarkBranchForceUnknownPass mark_force_unknown_pass;
+  MarkForceUnknownForCondPass mark_force_unknown_pass;
   EXPECT_EQ(mark_force_unknown_pass.Run(graph), SUCCESS);
 }
 }  // namespace ge