fix typo (polarismesh#100)

Author: sixwaaaay

examples/quickstart/README-zh.md

@@ -18,7 +18,7 @@ cd ./provider
 go build -o provider
 
 # windows
-cd ./consumer
+cd ./provider
 go build -o provider.exe
 ```
 
@@ -65,10 +65,10 @@ global:
 
 ```
 # linux/mac运行命令
-./provider
+./consumer
 
 # windows运行命令
-./provider.exe
+./consumer.exe
 ```
 
 
@@ -78,4 +78,4 @@ global:
 curl http://127.0.0.1:18080/echo
 
 Hello, I'm DiscoverEchoServer Provider, My host : %s:%d
-```
+```

examples/quickstart/README.md

@@ -65,10 +65,10 @@ Run the built **consumer** executable
 
 ```
 # linux/mac
-./provider
+./consumer
 
 # windows
-./provider.exe
+./consumer.exe
 ```