diff --git a/kafka-manager-task/src/main/java/com/xiaojukeji/kafka/manager/task/component/AbstractScheduledTask.java b/kafka-manager-task/src/main/java/com/xiaojukeji/kafka/manager/task/component/AbstractScheduledTask.java
index 564094d5..28c0e97d 100644
--- a/kafka-manager-task/src/main/java/com/xiaojukeji/kafka/manager/task/component/AbstractScheduledTask.java
+++ b/kafka-manager-task/src/main/java/com/xiaojukeji/kafka/manager/task/component/AbstractScheduledTask.java
@@ -80,10 +80,9 @@ public abstract class AbstractScheduledTask<E extends Comparable> implements Sch
             return true;
         }
 
-        LOGGER.error("modify scheduledCron failed, format invalid, scheduledName:{} scheduledCron:{}."
-                , scheduledName, scheduledCron);
+        LOGGER.error("modify scheduledCron failed, format invalid, scheduledName:{} scheduledCron:{}.", scheduledName, scheduledCron);
         if (existIfIllegal) {
-            System.exit(0);
+            throw new UnsupportedOperationException(String.format("scheduledName:%s scheduledCron:%s format invalid", scheduledName, scheduledCron));
         }
         return false;
     }
diff --git a/kafka-manager-web/src/main/java/com/xiaojukeji/kafka/manager/web/MainApplication.java b/kafka-manager-web/src/main/java/com/xiaojukeji/kafka/manager/web/MainApplication.java
index 106d15f5..c5522a4f 100644
--- a/kafka-manager-web/src/main/java/com/xiaojukeji/kafka/manager/web/MainApplication.java
+++ b/kafka-manager-web/src/main/java/com/xiaojukeji/kafka/manager/web/MainApplication.java
@@ -3,7 +3,6 @@ package com.xiaojukeji.kafka.manager.web;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.web.servlet.ServletComponentScan;
 import org.springframework.scheduling.annotation.EnableAsync;
@@ -17,7 +16,6 @@ import org.springframework.scheduling.annotation.EnableScheduling;
 @EnableAsync
 @EnableScheduling
 @ServletComponentScan
-@EnableAutoConfiguration
 @SpringBootApplication(scanBasePackages = {"com.xiaojukeji.kafka.manager"})
 public class MainApplication {
     private static final Logger LOGGER = LoggerFactory.getLogger(MainApplication.class);
@@ -28,7 +26,8 @@ public class MainApplication {
             sa.run(args);
             LOGGER.info("MainApplication started");
         } catch (Exception e) {
-            e.printStackTrace();
+            LOGGER.error("start failed and application exit", e);
+            System.exit(1);
         }
     }
 }