diff --git a/HEZON_ITK/bs_sign_cad.cpp b/HEZON_ITK/bs_sign_cad.cpp
index 26f756c..95cb40b 100644
--- a/HEZON_ITK/bs_sign_cad.cpp
+++ b/HEZON_ITK/bs_sign_cad.cpp
@@ -11,7 +11,7 @@ static void replace_dataset_named_reference(tag_t dataset_tag, tag_t old_file,
 	AOM_lock(old_file);
 
 	ITKCALL(IMF_replace_file_and_get_new_tag(old_file, new_file_path,
-		FALSE, &new_file_tag));
+		TRUE, &new_file_tag));
 
 	AOM_lock(dataset_tag);
 
@@ -79,10 +79,10 @@ int bs_sign_cad(EPM_action_message_t msg)
 						AOM_UIF_ask_value(forms[0], k->second.c_str(), &val);
 						dic[convert_to_cstring(k->first.c_str())] = convert_to_cstring(val);
 					}
-					bool result= test->signCad(convert_to_cstring(path.str().c_str()), convert_to_cstring(paras["title"].c_str()), dic);
-					if(result)
+					string result= ConvertToString(test->signCad(convert_to_cstring(path.str().c_str()), convert_to_cstring(paras["title"].c_str()), dic));
+					if(result.length())
 					{
-						replace_dataset_named_reference(tags[j], ref, path.str().c_str(), "JD2_dwg");
+						replace_dataset_named_reference(tags[j], ref, result.c_str(), "JD2_dwg");
 					}
 				}
 			}