Fix exchange conf links (#1056)

docs-2.0/nebula-exchange/ex-ug-compile.md

@@ -65,7 +65,7 @@ After the compilation is successful, you can find the `nebula-exchange_spark_x.x
 
     The JAR file version changes with the release of the Nebula Java Client. Users can view the latest version on the [Releases page](https://github.com/vesoft-inc/nebula-java/releases).
 
-When migrating data, you can refer to configuration file [`target/classes/application.conf`](https://github.com/vesoft-inc/nebula-exchange/blob/master/nebula-exchange/src/main/resources/application.conf).
+When migrating data, you can refer to configuration file [`target/classes/application.conf`](https://github.com/vesoft-inc/nebula-exchange/blob/master/nebula-exchange_spark_2.4/src/main/resources/application.conf).
 
 ### Failed to download the dependency package
 

docs-2.0/nebula-exchange/parameter-reference/ex-ug-parameter.md

@@ -1,6 +1,6 @@
 # Parameters in the configuration file
 
-This topic describes how to configure the file [`application.conf`](https://github.com/vesoft-inc/nebula-exchange/blob/master/nebula-exchange/src/main/resources/application.conf) when users use Nebula Exchange.
+This topic describes how to configure the file [`application.conf`](https://github.com/vesoft-inc/nebula-exchange/blob/master/nebula-exchange_spark_2.4/src/main/resources/application.conf) when users use Nebula Exchange.
 
 Before configuring the `application.conf` file, it is recommended to copy the file name `application.conf` and then edit the file name according to the file type of a data source. For example, change the file name to `csv_application.conf` if the file type of the data source is CSV.