优化配置，添加配置注释

src/main/java/com/example/snailjob/SnailJobSpringbootApplication.java

@@ -8,7 +8,7 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
 import java.util.TimeZone;
 
 @SpringBootApplication
-@EnableSnailJob(group = "snail_job_demo_group")
+@EnableSnailJob
 @MapperScan("com.example.snailjob.dao")
 public class SnailJobSpringbootApplication {
 

src/main/resources/application.yml

@@ -41,8 +41,19 @@ logging:
   config: classpath:logback-boot.xml
 
 snail-job:
+  # 任务调度服务器信息
   server:
+    # 服务器IP地址（或域名）；集群时建议通过 nginx 做负载均衡
     host: 127.0.0.1
+    # 服务器通讯端口（不是后台管理页面服务端口）
     port: 1788
+  # 命名空间
   namespace: 764d604ec6fc45f68cd92514c40e9e1a
-  token: SJ_Wyz3dmsdbDOkDujOTSSoBjGQP1BMsVnj
+  # 接入组名
+  group: snail_job_demo_group
+  # 接入组 token
+  token: SJ_Wyz3dmsdbDOkDujOTSSoBjGQP1BMsVnj
+  # 客户端绑定IP，必须服务器可以访问到；默认自动推断，在服务器无法调度客户端时需要手动配置
+  host: 127.0.0.1
+  # 客户端通讯端口，默认 1789
+  port: 1789