diff --git a/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/remote/DispatchService.java b/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/remote/DispatchService.java
index 729ccfab..794b989e 100644
--- a/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/remote/DispatchService.java
+++ b/powerjob-server/src/main/java/com/github/kfcfans/powerjob/server/remote/DispatchService.java
@@ -180,7 +180,9 @@ public class DispatchService {
         req.setProcessorType(ProcessorType.of(jobInfo.getProcessorType()).name());
 
         req.setTimeExpressionType(TimeExpressionType.of(jobInfo.getTimeExpressionType()).name());
-        req.setInstanceTimeoutMS(jobInfo.getInstanceTimeLimit());
+        if (jobInfo.getInstanceTimeLimit() != null) {
+            req.setInstanceTimeoutMS(jobInfo.getInstanceTimeLimit());
+        }
         req.setThreadConcurrency(jobInfo.getConcurrency());
         return req;
     }
diff --git a/powerjob-server/src/main/resources/application-daily.properties b/powerjob-server/src/main/resources/application-daily.properties
index d99fa81a..bb286003 100644
--- a/powerjob-server/src/main/resources/application-daily.properties
+++ b/powerjob-server/src/main/resources/application-daily.properties
@@ -3,7 +3,7 @@ logging.config=classpath:logback-dev.xml
 
 ####### Database properties(Configure according to the the environment) #######
 spring.datasource.core.driver-class-name=com.mysql.cj.jdbc.Driver
-spring.datasource.core.jdbc-url=jdbc:mysql://localhost:3307/powerjob-daily?useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai
+spring.datasource.core.jdbc-url=jdbc:mysql://localhost:3306/powerjob-daily?useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai
 spring.datasource.core.username=root
 spring.datasource.core.password=No1Bug2Please3!
 spring.datasource.core.hikari.maximum-pool-size=20