diff --git a/ge/graph/passes/dynamic_single_op_reset_shape_pass.cc b/ge/graph/passes/dynamic_single_op_reset_shape_pass.cc
index 1a59f348..43fbe86b 100644
--- a/ge/graph/passes/dynamic_single_op_reset_shape_pass.cc
+++ b/ge/graph/passes/dynamic_single_op_reset_shape_pass.cc
@@ -23,6 +23,9 @@
 #include "graph/debug/ge_attr_define.h"
 
 namespace ge {
+namespace {
+const int64_t kDynamicShapeDim = -2;
+}
 Status DynamicSingleOpResetShapePass::Run(ComputeGraphPtr graph) {
   GE_CHECK_NOTNULL(graph);
   for (const auto &node : graph->GetDirectNode()) {
@@ -38,7 +41,7 @@ Status DynamicSingleOpResetShapePass::Run(ComputeGraphPtr graph) {
     }
 
     auto op_desc = node->GetOpDesc();
-    std::vector<int64_t> dynamic_shape_dims = {-2};
+    std::vector<int64_t> dynamic_shape_dims = {kDynamicShapeDim};
     GeShape dynamic_shape(dynamic_shape_dims);
     for (size_t i = 0; i < op_desc->GetAllInputsDesc().size(); i++) {
       auto input_desc = op_desc->MutableInputDesc(static_cast<uint32_t>(i));
diff --git a/ge/graph/passes/dynamic_single_op_reset_shape_pass.h b/ge/graph/passes/dynamic_single_op_reset_shape_pass.h
index e82d4e16..a8a1a724 100644
--- a/ge/graph/passes/dynamic_single_op_reset_shape_pass.h
+++ b/ge/graph/passes/dynamic_single_op_reset_shape_pass.h
@@ -22,7 +22,7 @@
 namespace ge {
 class DynamicSingleOpResetShapePass : public GraphPass {
  public:
-  Status Run(ComputeGraphPtr graph);
+  Status Run(ComputeGraphPtr graph) override;
 };
 }  // namespace ge
 #endif  // GE_GRAPH_PASSES_DYNAMIC_SINGLE_OP_RESET_SHAPE_PASS_H_