diff --git a/atc/parse_graph.cc b/atc/parse_graph.cc
index 30ae377..1905073 100644
--- a/atc/parse_graph.cc
+++ b/atc/parse_graph.cc
@@ -893,7 +893,7 @@ FMK_FUNC_HOST_VISIBILITY Status ConvertOm(const char *model_file, const char *js
 
     if (is_covert_to_json) {
       GetGroupName(model_def);
-      Pb2Json::ToJson(model_def, kOmBlackFields, json_file, true);
+      ret = Pb2Json::ToJson(model_def, kOmBlackFields, json_file, true);
     } else {
       PrintModelInfo(&model_def);
     }
@@ -917,8 +917,8 @@ FMK_FUNC_HOST_VISIBILITY Status ConvertPbtxtToJson(const char *model_file, const
     }
 
     GetGroupName(model_def);
-    Pb2Json::ToJson(model_def, kOmBlackFields, json_file, true);
-    return SUCCESS;
+    ret = Pb2Json::ToJson(model_def, kOmBlackFields, json_file, true);
+    return ret;
   } catch (const std::exception &e) {
     ErrorManager::GetInstance().ATCReportErrMessage("E19021", {"reason"},
         {"Convert pbtxt to json failed, exception message[" + std::string(e.what()) + "]"});
diff --git a/parser/common/convert/pb2json.cc b/parser/common/convert/pb2json.cc
index c52c9a1..791b8b2 100644
--- a/parser/common/convert/pb2json.cc
+++ b/parser/common/convert/pb2json.cc
@@ -33,13 +33,14 @@ namespace {
 const int kSignificantDigits = 10;
 }
 
-FMK_FUNC_HOST_VISIBILITY FMK_FUNC_DEV_VISIBILITY void Pb2Json::ToJson(const ProtobufMsg &message,
-                                                                      const set<string> &black_fields,
-                                                                      const char *json_file, bool enum2str) {
+FMK_FUNC_HOST_VISIBILITY FMK_FUNC_DEV_VISIBILITY Status Pb2Json::ToJson(const ProtobufMsg &message,
+                                                                        const set<string> &black_fields,
+                                                                        const char *json_file, bool enum2str) {
   Json j;
   Message2Json(message, black_fields, j, enum2str);
-  ge::parser::ModelSaver::SaveJsonToFile(json_file, j);
+  return ge::parser::ModelSaver::SaveJsonToFile(json_file, j);
 }
+
 // JSON parses non utf8 character throwing exceptions, so some fields need to be shielded through black fields
 FMK_FUNC_HOST_VISIBILITY FMK_FUNC_DEV_VISIBILITY void Pb2Json::Message2Json(const ProtobufMsg &message,
                                                                             const set<string> &black_fields, Json &json,
diff --git a/parser/common/convert/pb2json.h b/parser/common/convert/pb2json.h
index f7726f1..4a13fe8 100644
--- a/parser/common/convert/pb2json.h
+++ b/parser/common/convert/pb2json.h
@@ -23,6 +23,7 @@
 #include <memory>
 #include <set>
 #include <string>
+#include "ge/ge_api_error_codes.h"
 #include "google/protobuf/descriptor.h"
 #include "google/protobuf/message.h"
 #include "nlohmann/json.hpp"
@@ -51,8 +52,8 @@ class Pb2Json {
                                    const ProtobufReflection *reflection, const std::set<std::string> &black_fields,
                                    Json &json, bool enum2str);
 
-  static void ToJson(const ProtobufMsg &message, const std::set<std::string> &black_fields, const char *json_file,
-                     bool enum2str = false);
+  static Status ToJson(const ProtobufMsg &message, const std::set<std::string> &black_fields, const char *json_file,
+                       bool enum2str = false);
 
  protected:
   static void Enum2Json(const ProtobufEnumValueDescriptor *enum_value_desc, const ProtobufFieldDescriptor *field,