Update description.

Cargo.toml

@@ -2,7 +2,7 @@
 name = "ezcheck"
 version = "0.1.4"
 edition = "2021"
-description = "An easy tool to calculate and check hash."
+description = "An easy-to-use, lightweight, cross-platform, and high-performance tool for calculating, comparing, and verifying hash of strings and files."
 repository = "https://github.com/Metaphorme/ezcheck"
 documentation = "https://docs.rs/ezcheck"
 readme = "README.md"

README.md

@@ -7,8 +7,8 @@
 
 [中文文档](./README_zh.md)
 
-ezcheck(easy check) is an ergonomic, standard-output command-line tool for calculating, comparing, and verifying the
-hash of strings and files.
+ezcheck(easy check) is an easy-to-use, lightweight, cross-platform, and high-performance tool for calculating,
+comparing, and verifying hash of strings and files.
 
 ezcheck have three backends: [ring](https://docs.rs/ring), [hashes](https://docs.rs/hashes) and mix
 backend([ring](https://docs.rs/ring) and [hashes](https://docs.rs/hashes)), and you can only choose

README_zh.md

@@ -5,7 +5,7 @@
 [![Crates.io Version](https://img.shields.io/crates/v/ezcheck?logo=rust)](https://crates.io/crates/ezcheck)
 [![Mirror Gitee](https://img.shields.io/badge/Mirror-Gitee-blue?logo=gitee)](https://gitee.com/metaphorme/ezcheck)
 
-ezcheck（或 easy check）是一个符合人体工程学、输出标准的命令行工具，用于计算、对比和验证字符串或文件的哈希值。
+ezcheck（或 easy check）是一个易于使用、轻量、跨平台、高性能的用于计算、对比和验证字符串或文件哈希值的工具。
 
 ezcheck 有三个后端：[ring](https://docs.rs/ring)，[hashes](https://docs.rs/hashes)
 和混合后端（mix backend，同时使用[ring](https://docs.rs/ring)，[hashes](https://docs.rs/hashes)），并且您只能选择其中一个。这些后端的主要差异在于：