Update README.md

Author: sioomy

README.md

@@ -188,7 +188,7 @@ ext/coro_http 目录是为了测试协程开发的PHP扩展，提供了coro_http
 ```
 2.运行docker:
 ```
-docker run -p 8083:80 -v `pwd`:/data/soft/php-fpm-coroutine/tutorial php-fpm-coroutine
+docker run --privileged -p 8083:80 -v `pwd`:/data/soft/php-fpm-coroutine/tutorial php-fpm-coroutine
 ```
 3.浏览器输入网址
 ```
@@ -423,7 +423,7 @@ docker build -t php-fpm-coroutine ./
 2. run docker:
 
 ```
-docker run -p 8083:80 -v `pwd`:/data/soft/php-fpm-coroutine/tutorial php-fpm-coroutine
+docker run --privileged -p 8083:80 -v `pwd`:/data/soft/php-fpm-coroutine/tutorial php-fpm-coroutine
 ```
 
 3. browsers enter the URL