diff --git a/metadef b/metadef
index c796c53..14cecde 160000
--- a/metadef
+++ b/metadef
@@ -1 +1 @@
-Subproject commit c796c53d1971952beb1941fb3699dacc907d9625
+Subproject commit 14cecde0518e5d65fc78fbb5e1e34f209211c57a
diff --git a/parser/onnx/onnx_file_constant_parser.cc b/parser/onnx/onnx_file_constant_parser.cc
index 0271d11..33698ab 100644
--- a/parser/onnx/onnx_file_constant_parser.cc
+++ b/parser/onnx/onnx_file_constant_parser.cc
@@ -33,7 +33,7 @@ using namespace ge::parser;
 namespace {
 const char *const kAttrShape = "shape";
 const char *const kAttrDataType = "dtype";
-const char *const kFileConstantPath = "file_constant_path";
+const char *const kFileConstantPath = "_file_constant_path";
 const char *const kLocation = "location";
 const char *const kOffset = "offset";
 const int64_t kOffsetCoefficient = 4096;
diff --git a/tests/ut/parser/testcase/onnx_parser_testcase/onnx_parser_unittest.cc b/tests/ut/parser/testcase/onnx_parser_testcase/onnx_parser_unittest.cc
index b944b55..bbec9c0 100644
--- a/tests/ut/parser/testcase/onnx_parser_testcase/onnx_parser_unittest.cc
+++ b/tests/ut/parser/testcase/onnx_parser_testcase/onnx_parser_unittest.cc
@@ -525,7 +525,7 @@ TEST_F(UtestOnnxParser, FileConstantParsePath)
   // check location
   std::string attr_value;
   ge::NamedAttrs attrs;
-  AttrUtils::GetNamedAttrs(op_desc_src, "file_constant_path", attrs);
+  AttrUtils::GetNamedAttrs(op_desc_src, "_file_constant_path", attrs);
   AttrUtils::GetStr(attrs, "location", attr_value);
   EXPECT_EQ(attr_value, "/usr/local");
 }
@@ -567,7 +567,7 @@ TEST_F(UtestOnnxParser, FileConstantParseParam)
 
   // check location, shape, dtype
   NamedAttrs attrs;
-  AttrUtils::GetNamedAttrs(*op_desc_src, "file_constant_path", attrs);
+  AttrUtils::GetNamedAttrs(*op_desc_src, "_file_constant_path", attrs);
   std::string file_path;
   AttrUtils::GetStr(attrs, "location", file_path);
   EXPECT_EQ(file_path, "/usr/local");