fix bug in tcc demo doc
diff --git a/demo/tcc-spring-demo/README.md b/demo/tcc-spring-demo/README.md
index 8d139d4..3114fa2 100644
--- a/demo/tcc-spring-demo/README.md
+++ b/demo/tcc-spring-demo/README.md
@@ -88,7 +88,7 @@
3. start ordering service. The executable jar file should be in `saga-demo/tcc-spring-demo/ordering/target/saga`.
```bash
- java -Dserver.port=8083 -Dalpha.cluster.address=${alpha_address}:8080 -Dinventory.service.address=${host_address}:8082 -Dpayment.service.address=${host_address}:8081 -jar tcc-ordering-${saga_version}-exec.jar
+ java -Dserver.port=8083 -Dalpha.cluster.address=${alpha_address}:8080 -Dinventory.service.address=${host_address}:8081 -Dpayment.service.address=${host_address}:8082 -jar tcc-ordering-${saga_version}-exec.jar
```
## User Requests by command line tools
@@ -98,11 +98,11 @@
```
Check the Inventory orders status with
```
-curl http://${host_address}:8082/orderings
+curl http://${host_address}:8081/orderings
```
Check the Payment transaction status with
```
-curl http://${host_address}:8081/transactions
+curl http://${host_address}:8082/transactions
```