tools: Add try to pwd user name get.

src/tools.py

@@ -302,7 +302,10 @@ def timestamp_to_old_pamhyr_date(time: int):
 
 def get_user_name():
     if with_pwd:
-        return pwd.getpwuid(os.getuid()).pw_gecos
+        try:
+            return pwd.getpwuid(os.getuid()).pw_gecos
+        except:
+            return "Me"
     else:
         return "Me"