diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/entity/data/DataBus.java b/liteflow-core/src/main/java/com/yomahub/liteflow/entity/data/DataBus.java
index fbe7820b0..22ae8b6b6 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/entity/data/DataBus.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/entity/data/DataBus.java
@@ -16,7 +16,7 @@ public class DataBus {
 
 	private static final Logger LOG = LoggerFactory.getLogger(DataBus.class);
 
-	public static final int SLOT_SIZE = 1024;
+	public static int SLOT_SIZE = 1024;
 
 	public static AtomicInteger OCCUPY_COUNT = new AtomicInteger(0);
 
@@ -52,4 +52,12 @@ public class DataBus {
 			LOG.warn("slot[{}] already has been released",slotIndex);
 		}
 	}
+
+	public static int getSlotSize() {
+		return SLOT_SIZE;
+	}
+
+	public static void setSlotSize(int slotSize) {
+		SLOT_SIZE = slotSize;
+	}
 }
diff --git a/liteflow-spring-boot-starter/src/main/java/com/yomahub/liteflow/springboot/LiteflowAutoConfiguration.java b/liteflow-spring-boot-starter/src/main/java/com/yomahub/liteflow/springboot/LiteflowAutoConfiguration.java
index 6342c389c..91aad0888 100644
--- a/liteflow-spring-boot-starter/src/main/java/com/yomahub/liteflow/springboot/LiteflowAutoConfiguration.java
+++ b/liteflow-spring-boot-starter/src/main/java/com/yomahub/liteflow/springboot/LiteflowAutoConfiguration.java
@@ -2,6 +2,7 @@ package com.yomahub.liteflow.springboot;
 
 import com.google.common.collect.Lists;
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.entity.data.DataBus;
 import com.yomahub.liteflow.monitor.MonitorBus;
 import com.yomahub.liteflow.spring.ComponentScaner;
 import com.yomahub.liteflow.util.SpringAware;
@@ -10,6 +11,7 @@ import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.PropertySource;
 
 import javax.swing.*;
 import java.util.List;
@@ -17,6 +19,9 @@ import java.util.List;
 @Configuration
 @EnableConfigurationProperties({LiteflowProperty.class,LiteflowMonitorProperty.class})
 @ConditionalOnProperty(prefix = "liteflow", name = "rule-source")
+@PropertySource(
+        name = "liteflow Default Properties",
+        value = "classpath:/META-INF/liteflow-default.properties")
 public class LiteflowAutoConfiguration {
 
     @Bean
@@ -30,6 +35,9 @@ public class LiteflowAutoConfiguration {
             List<String> ruleList = Lists.newArrayList(property.getRuleSource().split(","));
             FlowExecutor flowExecutor = new FlowExecutor();
             flowExecutor.setRulePath(ruleList);
+
+            DataBus.setSlotSize(property.getSlotSize());
+
             return flowExecutor;
         }else{
             return null;
diff --git a/liteflow-spring-boot-starter/src/main/java/com/yomahub/liteflow/springboot/LiteflowMonitorProperty.java b/liteflow-spring-boot-starter/src/main/java/com/yomahub/liteflow/springboot/LiteflowMonitorProperty.java
index 282e34ec2..6f4d6f332 100644
--- a/liteflow-spring-boot-starter/src/main/java/com/yomahub/liteflow/springboot/LiteflowMonitorProperty.java
+++ b/liteflow-spring-boot-starter/src/main/java/com/yomahub/liteflow/springboot/LiteflowMonitorProperty.java
@@ -5,13 +5,13 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
 @ConfigurationProperties(prefix = "liteflow.monitor", ignoreUnknownFields = true)
 public class LiteflowMonitorProperty {
 
-    private boolean enableLog = false;
+    private boolean enableLog;
 
-    private int queueLimit = 200;
+    private int queueLimit;
 
-    private long delay = 5*60*1000;
+    private long delay;
 
-    private long period = 5*60*1000;
+    private long period;
 
     public boolean isEnableLog() {
         return enableLog;
diff --git a/liteflow-spring-boot-starter/src/main/java/com/yomahub/liteflow/springboot/LiteflowProperty.java b/liteflow-spring-boot-starter/src/main/java/com/yomahub/liteflow/springboot/LiteflowProperty.java
index 993e70d2b..6668bac56 100644
--- a/liteflow-spring-boot-starter/src/main/java/com/yomahub/liteflow/springboot/LiteflowProperty.java
+++ b/liteflow-spring-boot-starter/src/main/java/com/yomahub/liteflow/springboot/LiteflowProperty.java
@@ -7,6 +7,8 @@ public class LiteflowProperty {
 
     private String ruleSource;
 
+    private int slotSize;
+
     public String getRuleSource() {
         return ruleSource;
     }
@@ -14,4 +16,12 @@ public class LiteflowProperty {
     public void setRuleSource(String ruleSource) {
         this.ruleSource = ruleSource;
     }
+
+    public int getSlotSize() {
+        return slotSize;
+    }
+
+    public void setSlotSize(int slotSize) {
+        this.slotSize = slotSize;
+    }
 }
diff --git a/liteflow-spring-boot-starter/src/main/resources/META-INF/liteflow-default.properties b/liteflow-spring-boot-starter/src/main/resources/META-INF/liteflow-default.properties
new file mode 100644
index 000000000..befda9228
--- /dev/null
+++ b/liteflow-spring-boot-starter/src/main/resources/META-INF/liteflow-default.properties
@@ -0,0 +1,6 @@
+liteflow.ruleSource=config/flow.xml
+liteflow.slot-size=1024
+liteflow.monitor.enable-log=false
+liteflow.monitor.queue-limit=200
+liteflow.monitor.delay=300000
+liteflow.monitor.period=300000
\ No newline at end of file
diff --git a/liteflow-test-springboot/src/main/resources/application.properties b/liteflow-test-springboot/src/main/resources/application.properties
index 5853767d1..14993d036 100644
--- a/liteflow-test-springboot/src/main/resources/application.properties
+++ b/liteflow-test-springboot/src/main/resources/application.properties
@@ -1,4 +1,2 @@
 liteflow.ruleSource=config/flow.xml
-liteflow.monitor.enable-log=true
-liteflow.monitor.delay=0
-liteflow.monitor.period=60000
\ No newline at end of file
+liteflow.slot-size=2048
\ No newline at end of file