feat: swagger.enabled default to true (#515)

Signed-off-by: tison <wander4096@gmail.com>
diff --git a/src/README.md b/src/README.md
index 2fbc0b6..319f4f7 100644
--- a/src/README.md
+++ b/src/README.md
@@ -6,7 +6,7 @@
 * Route requests (add, delete, update) to brokers
 * Support multi broker, dynamic change environment
 
-### Supported configurations of backend 
+### Supported configurations of backend
 
 | Name | Default |Description
 | ------- | ------- | ------- |
@@ -26,7 +26,7 @@
 
 ### Use custom databases
 
-If you have a large amount of data, you can use a custom database. The following is an example of PostgreSQL.   
+If you have a large amount of data, you can use a custom database. The following is an example of PostgreSQL.
 
 1. Initialize database and table structures using [file](https://github.com/apache/pulsar-manager/tree/master/src/main/resources/META-INF/sql/postgresql-schema.sql).
 
@@ -112,7 +112,7 @@
 jwt.broker.public.key=file:///path/broker-public.key
 jwt.broker.private.key=file:///path/broker-private.key
 
-or 
+or
 jwt.broker.token.mode=SECRET
 jwt.broker.secret.key=file:///path/broker-secret.key
 ```
@@ -188,17 +188,17 @@
     ```
 
 ### Enable swagger UI
+
 To enable swagger UI, set `swagger.enabled=true` in the `application.properties` file. The default value is `true`.
 
-If you want to disable swagger UI in the  production environment, you can set `swagger.enabled=false`.
+If you want to disable swagger UI in the production environment, you can set `swagger.enabled=false`.
 
 ### How to use swagger to access the API
+
 1. Enable swagger UI by setting 'swagger.enabled=true' in the `application.properties` file.
-
 2. Visit http://YOUR_BACKEND_SERVICE_HOST:7750/swagger-ui.html
-
 3. Request the login API, use the username and password of the Pulsar Manager to login, copy the `token` of the response header.
-   
+
     The request body is as follows:
     ```$xslt
     {
@@ -213,7 +213,7 @@
      - environment: the environment name you have configured in Pulsar Manager.
      - token: the token you have copied in the previous step.
      - username: the username you login.
-    
+
     ![swagger-authorize](../docs/img/swagger-authorize.png)
 
 5. Request other APIs.
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index d7add22..b038a25 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -144,7 +144,7 @@
 pulsar.peek.message=false
 
 # swagger configuration
-swagger.enabled=false
+swagger.enabled=true
 
 # casdoor configuration
 casdoor.endpoint = http://localhost:8000