Update README.md

README.md

@@ -58,10 +58,12 @@ python -m paddle_serving_server.web_serve --model uci_housing_model --thread 10
 ```
 <center>
 
-- thread: Concurrency of current service
-- port: Exposed port of current service to users
-- name: Service name, can be used to generate HTTP request url
-- model: Path of paddle model directory to be served
+| Argument | Type | Default | Description |
+|--------------|------|-----------|--------------------------------|
+| `thread` | int | `10` | Concurrency of current service |
+| `port` | int | `9292` | Exposed port of current service to users |
+| `name` | str | `""` | Service name, can be used to generate HTTP request url |
+| `model` | str | `""` | Path of paddle model directory to be served |
 
 </center>
 
@@ -74,10 +76,11 @@ curl -H "Content-Type:application/json" -X POST -d '{"x": [0.0137, -0.1136, 0.25
 ``` shell
 python -m paddle_serving_server.serve --model uci_housing_model --thread 10 --port 9292
 ```
-
-- thread: Concurrency of current service
-- port: Exposed port of current service to users
-- model: Path of paddle model directory to be served
+| Argument | Type | Default | Description |
+|--------------|------|-----------|--------------------------------|
+| `thread` | int | `10` | Concurrency of current service |
+| `port` | int | `9292` | Exposed port of current service to users |
+| `model` | str | `""` | Path of paddle model directory to be served |
 
 ``` python
 # A user can visit rpc service through paddle_serving_client API