First of all, you need to calmly analyze the situation. Let's see if the problem is **, whether it is because the leader has encountered some difficulties or some other reason that makes it impossible to fulfill the promise. If so, you can talk to your leader to understand the situation and see if you can find a solution.
Leaders have an open conversation.
You can talk openly with your leader about your feelings and ask why you can't deliver on your promises. In conversations, be calm and respectful, and don't use offensive language or emotional ways to express your opinions.
2.Find a solution.
Work with leaders to find a solution to see if you can find a way to compensate for the impact of not being able to deliver on your promises. This may require you to make some compromises or adjust your expectations.
3.Seek support.
If you feel that your leader's failure to deliver on your promises has negatively impacted your work or career development, you can seek support from your supervisor or HR. They may be able to take steps to solve the problem or help.
4.Consider career advancement.
If you don't think the problem of your leader delivering on their promises can't be solved, you may want to consider looking for other career opportunities. While this may require some time and effort on your part, it may be the best option in the long run.
In conclusion, it can be bothersome for leaders to not deliver on what they promised, but there are a few things you can do to help you solve the problem and protect your interests. When communicating with leaders, be calm and respectful, and seek support and solutions.