diff --git a/parser/common/acl_graph_parser_util.cc b/parser/common/acl_graph_parser_util.cc
index 27b0390..06c4bea 100644
--- a/parser/common/acl_graph_parser_util.cc
+++ b/parser/common/acl_graph_parser_util.cc
@@ -1086,8 +1086,9 @@ domi::Status AclGrphParseUtil::ParseParamsBeforeGraph(const std::map<AscendStrin
 
   string dynamic_input_str;
   GetAclParams(parser_params, ge::ir_option::IS_DYNAMIC_INPUT, dynamic_input_str);
-  GE_CHK_BOOL_TRUE_EXEC_WITH_LOG(!CheckInputTrueOrFalse(dynamic_input_str, "is_dynamic_input"), return PARAM_INVALID,
-                                 "Parse is_dynamic_input failed");
+  GE_CHK_BOOL_TRUE_EXEC_WITH_LOG(
+      !dynamic_input_str.empty() && !CheckInputTrueOrFalse(dynamic_input_str, "is_dynamic_input"), return PARAM_INVALID,
+      "Parse is_dynamic_input failed");
   bool is_dynamic_input = dynamic_input_str == "true" ? true : false;
 
   string input_shape;