diff --git a/pom.xml b/pom.xml
index fef626a..375378e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -86,6 +86,12 @@
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
             <version>8.0.30</version>
+            <exclusions>
+                <exclusion>
+                    <artifactId>protobuf-java</artifactId>
+                    <groupId>com.google.protobuf</groupId>
+                </exclusion>
+            </exclusions>
         </dependency>
         <dependency>
             <groupId>com.alibaba</groupId>
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 254597b..aefdee7 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -55,6 +55,7 @@ snail-job:
   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
+  # 客户端通讯端口，默认 17889
   port: 17889
+  # rpc通讯方式: netty, grpc
   rpc-type: netty