update readme

Author: inhere

README.md

@@ -1,9 +1,25 @@
-# Swoft Http-server
-Swoft Http-server Component
+# Swoft http server
+
+Swoft Http server Component
 
 # Install
 
+- composer command
+
+```bash
+composer require swoft/http-server
+```
+
 # Document
 
+Please see [document site](https://doc.swoft.org)
+
+# Unit testing
+
+```bash
+phpunit
+```
+
 # LICENSE
-Swoft Http-server Component is open-sourced software licensed under the [Apache license](LICENSE).
+
+The Component is open-sourced software licensed under the [Apache license](LICENSE).