fix provider & consumer install doc guide #488 (#489)

diff --git a/docs/en-us/admin/install/consumer-demo.md b/docs/en-us/admin/install/consumer-demo.md
index 73aec26..791bd07 100644
--- a/docs/en-us/admin/install/consumer-demo.md
+++ b/docs/en-us/admin/install/consumer-demo.md
@@ -5,7 +5,8 @@
 
 ```sh
 $ git clone https://github.com/apache/dubbo.git
-$ cd dubbo
+$ cd dubbo/dubbo-demo/dubbo-demo-xml
+# run org.apache.dubbo.demo.consumer.Application under dubbo-demo-xml-consumer module
 # please start Provider first
 # add -Djava.net.preferIPv4Stack=true if your IDE is Intellij Idea
 ```
@@ -13,6 +14,7 @@
 Configuration:
 
 ```sh
-# resource/META-INFO.spring/dubbo-demo-consumer.xml
-# change dubbo:registry to the real registry center address
+# resources/spring/dubbo-consumer.xml
+# change dubbo:registry to the real registry center address, for example:
+# <dubbo:registry address="zookeeper://127.0.0.1:2181"/>
 ```
diff --git a/docs/en-us/admin/install/provider-demo.md b/docs/en-us/admin/install/provider-demo.md
index 557ca6a..10411cb 100644
--- a/docs/en-us/admin/install/provider-demo.md
+++ b/docs/en-us/admin/install/provider-demo.md
@@ -4,14 +4,15 @@
 
 ```sh
 $ git clone https://github.com/apache/dubbo.git
-$ cd dubbo
-# run org.apache.dubbo.demo.provider.Provider under dubbo-demo-provider module
+$ cd dubbo/dubbo-demo/dubbo-demo-xml
+# run org.apache.dubbo.demo.provider.Application under dubbo-demo-xml-provider module
 # add -Djava.net.preferIPv4Stack=true if your IDE is Intellij Idea
 ```
 
 configuration:
 
 ```sh
-# resource/META-INFO.spring/dubbo-demo-provider.xml
-# change dubbo:registry to a real registry server address, zookeeper is recommended
+# resources/spring/dubbo-provider.xml
+# change dubbo:registry to a real registry server address, zookeeper is recommended, for example:
+# <dubbo:registry address="zookeeper://127.0.0.1:2181"/>
 ```
diff --git a/docs/zh-cn/admin/install/consumer-demo.md b/docs/zh-cn/admin/install/consumer-demo.md
index 7f1b0dd..d39158b 100644
--- a/docs/zh-cn/admin/install/consumer-demo.md
+++ b/docs/zh-cn/admin/install/consumer-demo.md
@@ -5,8 +5,8 @@
 
 ```sh
 git clone https://github.com/apache/dubbo.git
-cd dubbo
-运行 dubbo-demo-consumer中的org.apache.dubbo.demo.consumer.Consumer
+cd dubbo/dubbo-demo/dubbo-demo-xml
+运行 dubbo-demo-xml-consumer中的org.apache.dubbo.demo.consumer.Application
 请确保先启动Provider
 如果使用Intellij Idea 请加上-Djava.net.preferIPv4Stack=true
 ```
@@ -14,7 +14,8 @@
 配置:
 
 ```sh
-resource/META-INFO.spring/dubbo-demo-consumer.xml
-修改其中的dubbo:registry,替换成Provider提供的注册中心地址
+resources/spring/dubbo-consumer.xml
+修改其中的dubbo:registry,替换成Provider提供的注册中心地址, 如:
+<dubbo:registry address="zookeeper://127.0.0.1:2181"/>
 ```
 
diff --git a/docs/zh-cn/admin/install/provider-demo.md b/docs/zh-cn/admin/install/provider-demo.md
index 0ca18ad..de5f627 100644
--- a/docs/zh-cn/admin/install/provider-demo.md
+++ b/docs/zh-cn/admin/install/provider-demo.md
@@ -4,15 +4,16 @@
 
 ```sh
 git clone https://github.com/apache/dubbo.git
-cd dubbo
-运行 dubbo-demo-provider中的org.apache.dubbo.demo.provider.Provider
+cd dubbo/dubbo-demo/dubbo-demo-xml
+运行 dubbo-demo-xml-provider中的org.apache.dubbo.demo.provider.Application
 如果使用Intellij Idea 请加上-Djava.net.preferIPv4Stack=true
 ```
 
 配置:
 
 ```sh
-resource/META-INFO.spring/dubbo-demo-provider.xml
-修改其中的dubbo:registry,替换成真实的注册中心地址,推荐使用zookeeper
+resources/spring/dubbo-provider.xml
+修改其中的dubbo:registry,替换成真实的注册中心地址,推荐使用zookeeper,如:
+<dubbo:registry address="zookeeper://127.0.0.1:2181"/>
 ```