diff --git a/simple_revert/restore_version.py b/simple_revert/restore_version.py
index ba1b62d..96c48e2 100755
--- a/simple_revert/restore_version.py
+++ b/simple_revert/restore_version.py
@@ -159,7 +159,7 @@ def build_undelete_changes(restore_objs):
         obj['version'] = last_version
         changes.append(obj)
         queue.extend(find_new_refs(obj, obj_to_dict(obj_history[-1])))
-        comment_part = 'version {0} of {1} {2}'.format(obj_version, obj_type, obj_id)
+        comment_part = 'v{0} of {1}{2}'.format(obj_version, str(obj_type)[0], obj_id)
         if len(comment):
             comment += ", " + comment_part
         else:
@@ -267,7 +267,7 @@ def main():
     elif sys.stdout.isatty():
         tags = {
             'created_by': 'restore-version.py',
-            'comment': comment
+            'comment': comment[0:254] # too long comment cause error, only can cut it
         }
         upload_changes(changes, tags)
     else: