diff --git a/ge/graph/load/model_manager/davinci_model.cc b/ge/graph/load/model_manager/davinci_model.cc
index 4fac7b28..25c92e6b 100755
--- a/ge/graph/load/model_manager/davinci_model.cc
+++ b/ge/graph/load/model_manager/davinci_model.cc
@@ -489,7 +489,7 @@ void DavinciModel::InitRuntimeParams() {
   runtime_param_.memory_infos[kSessionScopeMemory | RT_MEMORY_HBM] = std::move(session_scope_mem_info);
 
   ret = ge::AttrUtils::GetInt(ge_model_, ATTR_MODEL_ZERO_COPY_MEMORY_SIZE, value);
-  runtime_param_.zero_copy_size = ret ? static_cast<size_t>value : 0;
+  runtime_param_.zero_copy_size = static_cast<size_t>(ret ? value : 0);
 
   GELOGI("InitRuntimeParams(), %s.", runtime_param_.ToString().c_str());
 }