计划员可能会有第二个邮箱，email2

src/main/java/com/xujie/sys/modules/erf/service/impl/ErfExpApplyServiceImpl.java

@@ -2060,9 +2060,11 @@ public class ErfExpApplyServiceImpl extends ServiceImpl<ErfExpApplyMapper, ErfEx
                         log.warn("计划员ID {} 不存在，跳过下达邮件通知", plannerId);
                         continue;
                     }
-                    String plannerEmail = planner.getEmail();
-                    if (plannerEmail == null || plannerEmail.trim().isEmpty()) {
-                        log.warn("计划员 {} 未配置邮箱，跳过下达邮件通知", planner.getUsername());
+                    Set<String> plannerEmails = new LinkedHashSet<>();
+                    appendEmailRecipients(plannerEmails, planner.getEmail());
+                    appendEmailRecipients(plannerEmails, planner.getEmail2());
+                    if (plannerEmails.isEmpty()) {
+                        log.warn("计划员 {} 未配置邮箱(email/email2)，跳过下达邮件通知", planner.getUsername());
                         continue;
                     }
 
@@ -2074,10 +2076,11 @@ public class ErfExpApplyServiceImpl extends ServiceImpl<ErfExpApplyMapper, ErfEx
                         + LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"))
                         + "</p></body></html>";
 
-                    MailUtil.sendMail(subject, body, new String[]{plannerEmail}, mailSendData);
-                    successEmails.add(plannerEmail);
+                    String[] recipients = plannerEmails.toArray(new String[0]);
+                    MailUtil.sendMail(subject, body, recipients, mailSendData);
+                    successEmails.addAll(plannerEmails);
                     log.info("已向计划员 {} ({}) 发送下达通知邮件，试验单: {}",
-                        planner.getUsername(), plannerEmail, entity.getApplyNo());
+                        planner.getUsername(), String.join(";", plannerEmails), entity.getApplyNo());
                 } catch (Exception e) {
                     log.error("向计划员ID {} 发送邮件失败: {}", plannerId, e.getMessage());
                 }
@@ -2097,6 +2100,29 @@ public class ErfExpApplyServiceImpl extends ServiceImpl<ErfExpApplyMapper, ErfEx
         }
     }
 
+    /**
+     * 解析并追加邮箱地址，支持英文逗号、中文逗号、分号、顿号和空白分隔
+     */
+    private void appendEmailRecipients(Set<String> recipientSet, String rawEmails) {
+        if (recipientSet == null || rawEmails == null) {
+            return;
+        }
+        String normalizedRaw = rawEmails.trim();
+        if (normalizedRaw.isEmpty()) {
+            return;
+        }
+        String[] emailArray = normalizedRaw.split("[,，;；、\\s]+");
+        for (String email : emailArray) {
+            if (email == null) {
+                continue;
+            }
+            String normalizedEmail = email.trim();
+            if (!normalizedEmail.isEmpty()) {
+                recipientSet.add(normalizedEmail);
+            }
+        }
+    }
+
     /**
      * 经理层审批全部通过后（进入计划员排产节点时）通知试验负责人：其负责的试验申请单已审批通过
      */

src/main/java/com/xujie/sys/modules/sys/dto/UserEmailInfoDto.java

@@ -4,27 +4,32 @@ import lombok.Data;
 
 /**
  * 用户邮件信息DTO
- * 
+ *
  * <p>用于查询用户的基本信息和邮箱</p>
- * 
+ *
  * @author System
  * @since 2026-02-04
  */
 @Data
 public class UserEmailInfoDto {
-    
+
     /**
      * 用户ID
      */
     private Long userId;
-    
+
     /**
      * 用户名
      */
     private String username;
-    
+
     /**
      * 用户邮箱
      */
     private String email;
+
+    /**
+     * 用户备用邮箱
+     */
+    private String email2;
 }

src/main/resources/mapper/sys/SysUserDao.xml

@@ -102,7 +102,7 @@
 
 	<!-- 根据用户ID查询用户邮件信息 -->
 	<select id="getUserEmailInfoById" resultType="com.xujie.sys.modules.sys.dto.UserEmailInfoDto">
-		SELECT user_id, username, email
+		SELECT user_id, username, email,email2
 		FROM sys_user
 		WHERE user_id = #{userId}
 	</select>