diff --git a/ruoyi-modules/ruoyi-aiflow/src/main/java/org/ruoyi/workflow/dto/node/LLmMailSendNodeConfigDto.java b/ruoyi-modules/ruoyi-aiflow/src/main/java/org/ruoyi/workflow/dto/node/LLmMailSendNodeConfigDto.java
deleted file mode 100644
index 277c4424..00000000
--- a/ruoyi-modules/ruoyi-aiflow/src/main/java/org/ruoyi/workflow/dto/node/LLmMailSendNodeConfigDto.java
+++ /dev/null
@@ -1,38 +0,0 @@
-package org.ruoyi.workflow.dto.node;
-
-import com.fasterxml.jackson.annotation.JsonProperty;
-import lombok.Data;
-
-/**
- * 为大模型返回信息封装的信息DTO（发送邮箱）
- */
-@Data
-public class LLmMailSendNodeConfigDto {
-
-    /**
-     * 主题
-     */
-    private String subject;
-
-    /**
-     * 内容
-     */
-    private String content;
-
-    /**
-     * 收件邮箱
-     */
-    @JsonProperty("to_mails")
-    private String toMails;
-
-    /**
-     * 抄送邮箱
-     */
-    @JsonProperty("cc_mails")
-    private String ccMails;
-
-    /**
-     * 发送类型
-     */
-    private Integer senderType;
-}
diff --git a/ruoyi-modules/ruoyi-aiflow/src/main/java/org/ruoyi/workflow/workflow/WorkflowEngine.java b/ruoyi-modules/ruoyi-aiflow/src/main/java/org/ruoyi/workflow/workflow/WorkflowEngine.java
index 379bbb2b..87ab1baf 100644
--- a/ruoyi-modules/ruoyi-aiflow/src/main/java/org/ruoyi/workflow/workflow/WorkflowEngine.java
+++ b/ruoyi-modules/ruoyi-aiflow/src/main/java/org/ruoyi/workflow/workflow/WorkflowEngine.java
@@ -184,6 +184,8 @@ public class WorkflowEngine {
             errorMsg = "并行节点中不能包含条件分�?";
         }
         errorMsg = nodeMessageTemplate + errorMsg;
+        // 保存会话信息且发送驱动消息事件
+        WorkflowMessageUtil.saveWorkflowMessage(wfState, errorMsg);
         sseEmitterHelper.sendErrorAndComplete(user.getId(), sseEmitter, errorMsg);
         workflowRuntimeService.updateStatus(wfRuntimeResp.getId(), WORKFLOW_PROCESS_STATUS_FAIL, errorMsg);
     }
diff --git a/ruoyi-modules/ruoyi-aiflow/src/main/java/org/ruoyi/workflow/workflow/node/mailSend/MailSendNode.java b/ruoyi-modules/ruoyi-aiflow/src/main/java/org/ruoyi/workflow/workflow/node/mailSend/MailSendNode.java
index 71688064..f2482096 100644
--- a/ruoyi-modules/ruoyi-aiflow/src/main/java/org/ruoyi/workflow/workflow/node/mailSend/MailSendNode.java
+++ b/ruoyi-modules/ruoyi-aiflow/src/main/java/org/ruoyi/workflow/workflow/node/mailSend/MailSendNode.java
@@ -1,11 +1,11 @@
 package org.ruoyi.workflow.workflow.node.mailSend;
 
+import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.JSONObject;
 import com.alibaba.fastjson.JSONValidator;
 import jakarta.mail.internet.MimeMessage;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
-import org.ruoyi.workflow.dto.node.LLmMailSendNodeConfigDto;
 import org.ruoyi.workflow.entity.WorkflowComponent;
 import org.ruoyi.workflow.entity.WorkflowNode;
 import org.ruoyi.workflow.workflow.NodeProcessResult;
@@ -15,7 +15,6 @@ import org.ruoyi.workflow.workflow.WorkflowUtil;
 import org.ruoyi.workflow.workflow.data.NodeIOData;
 import org.ruoyi.workflow.workflow.node.AbstractWfNode;
 import org.ruoyi.workflow.workflow.node.enmus.NodeMessageTemplateEnum;
-import org.springframework.beans.BeanUtils;
 import org.springframework.mail.javamail.JavaMailSender;
 import org.springframework.mail.javamail.JavaMailSenderImpl;
 import org.springframework.mail.javamail.MimeMessageHelper;
@@ -42,9 +41,10 @@ public class MailSendNode extends AbstractWfNode {
             String input = getDataFromInput(inputs);
             // 判断是否为JSON格式(LLM输出转换 由LLM生成格式)
             if (StringUtils.isNotBlank(input) && isJson(input)) {
-                LLmMailSendNodeConfigDto lLmMailSendNodeConfigDto = JSONObject.parseObject(input, LLmMailSendNodeConfigDto.class);
-                // 保留原本Sender和Smtp对象
-                BeanUtils.copyProperties(lLmMailSendNodeConfigDto, config);
+                JSONObject inputJson = JSON.parseObject(input);
+                JSONObject configJson = (JSONObject) JSON.toJSON(config);
+                configJson.putAll(inputJson);
+                config = configJson.toJavaObject(MailSendNodeConfig.class);
             }
 
             // 安全获取模板（使用 defaultString 避免 null）