docs: fix en docs quickstart (#2140)

Author: lumianph

docs/en/quickstart/openmldb_quickstart.md

@@ -30,8 +30,8 @@ After the container is successfully started, all the subsequent commands in this
 Download sample data:
 
 ```bash
-curl https://openmldb.ai/demo/data.csv --output ./data/data.csv
-curl https://openmldb.ai/demo/data.parquet --output ./data/data.parquet
+curl https://openmldb.ai/demo/data.csv --output ./taxi-trip/data/data.csv
+curl https://openmldb.ai/demo/data.parquet --output ./taxi-trip/data/data.parquet
 ```
 
 ## 2. The Standalone Version
@@ -310,7 +310,7 @@ http://127.0.0.1:9080/dbs/demo_db/deployments/demo_data_service
 The input data of the real-time request accepts the `json` format, and we put a line of data into the `input` field of the request. Here is the request example:
 
 ```bash
-curl http://127.0.0.1:9080/dbs/demo_db/deployments/demo_data_service -X POST -d'{"input": [["aaa", 11, 22, 1.2, 1.3, 1635247427000, "2021-05- 20"]]}'
+curl http://127.0.0.1:9080/dbs/demo_db/deployments/demo_data_service -X POST -d'{"input": [["aaa", 11, 22, 1.2, 1.3, 1635247427000, "2021-05-20"]]}'
 ```
 
 The following is the expected return result for this query (the computed features are stored in the `data` field):