diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/builder/LiteFlowNodeBuilder.java b/liteflow-core/src/main/java/com/yomahub/liteflow/builder/LiteFlowNodeBuilder.java
index 7501e2dab..851f7a13b 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/builder/LiteFlowNodeBuilder.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/builder/LiteFlowNodeBuilder.java
@@ -2,6 +2,7 @@ package com.yomahub.liteflow.builder;
 
 import cn.hutool.core.io.resource.ResourceUtil;
 import cn.hutool.core.util.StrUtil;
+import com.yomahub.liteflow.entity.data.DataBus;
 import com.yomahub.liteflow.entity.flow.Node;
 import com.yomahub.liteflow.enums.NodeTypeEnum;
 import com.yomahub.liteflow.exception.NodeBuildException;
@@ -57,6 +58,11 @@ public class LiteFlowNodeBuilder {
     }
 
     public void build() {
+        //这里也是一个防御性编程
+        //如果单独用builder进行构建的话，那么flow.xml不一定存在，不存在则不会进行FlowExecutor的init，也就不会进行DataBus.init
+        //所以这里多加一步，DataBus.init()事实上只会执行一遍，不会因为之前执行了，重复执行。因为里面有判断
+        DataBus.init();
+
         try {
             if (this.node.getType().equals(NodeTypeEnum.COMMON)) {
                 FlowBus.addCommonNode(this.node.getId(), this.node.getName(), this.node.getClazz());