Here’s a suggestion for your npm package description in English:
# ddmt-tool
A utility library that provides commonly used functions to simplify everyday development tasks. Whether it's string manipulation, array operations, or other frequent functionalities, `ddmt-tool` helps you work more efficiently.
## Installation
```bash
npm install ddmt-tool
Usage Example
import{Name}from'ddmt-tool';Name();
Features
String manipulation
Array operations
Custom utilities
For more features and usage instructions, please refer to the documentation.
This should give users a clear understanding of your package's purpose and how to use it.