[Suggestion] Issue suggestion

For the convenience of issue classification and understanding, refer to other communities, please follow the following specifications.

DIP: For suggestions or proposals involving kernel improvement, such as performance optimization and algorithm improvement, please mark DIP in the header.The DDN improvement proposal .

DRC: For application suggestions, specifications, standards or features, please mark DRC: DDN request of comments.

For other contents, please mark keywords as appropriate, such as questions, features, functions, etc