diff --git a/deployer/src/main/resources/canal.properties b/deployer/src/main/resources/canal.properties
index 82992bcc..e6bdc4cc 100644
--- a/deployer/src/main/resources/canal.properties
+++ b/deployer/src/main/resources/canal.properties
@@ -148,8 +148,13 @@ kafka.max.in.flight.requests.per.connection = 1
 kafka.retries = 0
 
 kafka.kerberos.enable = false
-kafka.kerberos.krb5.file = "../conf/kerberos/krb5.conf"
-kafka.kerberos.jaas.file = "../conf/kerberos/jaas.conf"
+kafka.kerberos.krb5.file = ../conf/kerberos/krb5.conf
+kafka.kerberos.jaas.file = ../conf/kerberos/jaas.conf
+
+# sasl demo
+# kafka.sasl.jaas.config = org.apache.kafka.common.security.scram.ScramLoginModule required \\n username=\"alice\" \\npassword="alice-secret\";
+# kafka.sasl.mechanism = SCRAM-SHA-512
+# kafka.security.protocol = SASL_PLAINTEXT
 
 ##################################################
 ######### 		    RocketMQ	     #############
@@ -179,4 +184,4 @@ rabbitmq.deliveryMode =
 ##################################################
 pulsarmq.serverUrl =
 pulsarmq.roleToken =
-pulsarmq.topicTenantPrefix =
\ No newline at end of file
+pulsarmq.topicTenantPrefix =
diff --git a/pom.xml b/pom.xml
index 1597f67d..fec7f996 100644
--- a/pom.xml
+++ b/pom.xml
@@ -262,7 +262,7 @@
             <dependency>
                 <groupId>com.alibaba</groupId>
                 <artifactId>druid</artifactId>
-                <version>1.2.11</version>
+                <version>1.2.12</version>
             </dependency>
             <dependency>
                 <groupId>com.lmax</groupId>