diff --git a/mailbox-lan/src/main/java/com/biutag/lan/controller/work/WorkController.java b/mailbox-lan/src/main/java/com/biutag/lan/controller/work/WorkController.java
index 7ffaf57..71111e2 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/controller/work/WorkController.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/controller/work/WorkController.java
@@ -11,7 +11,6 @@ import com.biutag.lan.service.MailSourceService;
 import com.biutag.lan.service.WorkService;
 import jakarta.servlet.http.HttpServletResponse;
 import lombok.RequiredArgsConstructor;
-import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 
@@ -46,12 +45,9 @@ public class WorkController {
 
     @NotPower
     @PostMapping("import")
-    @Transactional(rollbackFor = Exception.class)
     public AjaxResult<Void> importExcel(@RequestBody String workVoList) {
         List<WorkVo> data = JSON.parseArray(workVoList, WorkVo.class);
-        workService.saveExcelBatch(data);
-        mailSourceService.saveExcelBatch(data);
-        return AjaxResult.success();
+        return workService.saveExcelBatch(data) && mailSourceService.saveExcelBatch(data) ? AjaxResult.success() : AjaxResult.failed("导入失败");
     }
 
     @NotPower
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/service/MailSourceService.java b/mailbox-lan/src/main/java/com/biutag/lan/service/MailSourceService.java
index 19e6aa1..a1af4ff 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/service/MailSourceService.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/service/MailSourceService.java
@@ -43,6 +43,7 @@ public class MailSourceService extends ServiceImpl<MailSourceMapper, MailSource>
         return count(queryWrapper);
     }
 
+    @Transactional(rollbackFor = Exception.class)
     public boolean saveExcelBatch(List<WorkVo> mailSources) {
         LocalDateTime now = LocalDateTime.now();
         List<MailSource> list = mailSources.stream().map(mail -> {
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/service/WorkService.java b/mailbox-lan/src/main/java/com/biutag/lan/service/WorkService.java
index b144c07..dc858f7 100644
--- a/mailbox-lan/src/main/java/com/biutag/lan/service/WorkService.java
+++ b/mailbox-lan/src/main/java/com/biutag/lan/service/WorkService.java
@@ -24,6 +24,7 @@ import jakarta.servlet.http.HttpServletResponse;
 import lombok.RequiredArgsConstructor;
 import org.springframework.beans.BeanUtils;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.multipart.MultipartFile;
 
 import java.io.IOException;
@@ -61,6 +62,7 @@ public class WorkService extends ServiceImpl<WorkMapper, Work> {
         return saveBatch(list);
     }
 
+    @Transactional(rollbackFor = Exception.class)
     public boolean saveExcelBatch(List<WorkVo> mailSources) {
         LocalDateTime now = LocalDateTime.now();
         List<Work> list = mailSources.stream().map(mail -> {
diff --git a/mailbox-lan/src/main/java/com/biutag/lan/util/SmsLan.java b/mailbox-lan/src/main/java/com/biutag/lan/util/SmsLan.java
new file mode 100644
index 0000000..92a5d41
--- /dev/null
+++ b/mailbox-lan/src/main/java/com/biutag/lan/util/SmsLan.java
@@ -0,0 +1,182 @@
+package com.biutag.lan.util;
+
+import com.alibaba.fastjson2.JSON;
+import lombok.extern.slf4j.Slf4j;
+
+import javax.crypto.Cipher;
+import javax.crypto.spec.SecretKeySpec;
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * 内网信息平台工具类（未测试）
+ */
+@Slf4j
+public class SmsLan {
+    private static final String BASE_URL = "http://10.143.55.119:8989/kezansms/SendSms";
+    private static final String USERNAME = "fzzd";
+    private static final String PASSWORD = "fzzd12345678dxpt";
+
+    private SmsLan() {
+    }
+
+    /**
+     * @param mobiles   手机号 多个用","隔开 （英文逗号）【必填】
+     * @param content   短信内容 【必填】
+     * @param orderNo   批次号 【必填】
+     * @param appendID  扩展字号 【非必填】
+     * @param sendTime  拟发送时间 【非必填】
+     * @param validTime 拟发送最后时间（超过不发送） 【非必填】
+     * @return
+     */
+    public static String send(String mobiles, String content, String orderNo, String appendID, String sendTime, String validTime) {
+        try {
+            Map<String, Object> dataMap = new HashMap<>();
+            long timeStamp = System.currentTimeMillis() / 1000;
+            dataMap.put("timeStamp", timeStamp);
+            log.info("timeStamp: {}", timeStamp);
+            dataMap.put("mobiles", mobiles);
+            dataMap.put("content", content);
+            dataMap.put("orderNo", orderNo);
+            dataMap.put("appendID", appendID);
+            dataMap.put("sendTime", sendTime);
+            dataMap.put("validTime", validTime);
+
+            String jsonStr = JSON.toJSONString(dataMap);
+            log.info("jsonStr: {}", jsonStr);
+            String key = encrypt(jsonStr, PASSWORD, true);
+            log.info("key: {}", key);
+            key = URLEncoder.encode(key, "UTF-8");
+            log.info("key: {}", key);
+            String response = httpUtilPost(BASE_URL, "userid=" + USERNAME + "&key=" + key);
+            log.info(response);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    /**
+     * @param mobiles   手机号 多个用","隔开 （英文逗号）【必填】
+     * @param content   短信内容 【必填】
+     * @param orderNo   批次号 【必填】
+     * @param validTime 拟发送最后时间（超过不发送） 【非必填】
+     * @return
+     */
+    public static String send(String mobiles, String content, String orderNo, String validTime) {
+        try {
+            Map<String, Object> dataMap = new HashMap<>();
+            long timeStamp = System.currentTimeMillis() / 1000;
+            dataMap.put("timeStamp", timeStamp);
+            log.info("timeStamp: {}", timeStamp);
+            dataMap.put("mobiles", mobiles);
+            dataMap.put("content", content);
+            dataMap.put("orderNo", orderNo);
+            dataMap.put("validTime", validTime);
+
+            String jsonStr = JSON.toJSONString(dataMap);
+            log.info("jsonStr: {}", jsonStr);
+            String key = encrypt(jsonStr, PASSWORD, true);
+            log.info("key: {}", key);
+            key = URLEncoder.encode(key, "UTF-8");
+            log.info("key: {}", key);
+            String response = httpUtilPost(BASE_URL, "userid=" + USERNAME + "&key=" + key);
+            log.info(response);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+    /**
+     * @param mobiles   手机号 多个用","隔开 （英文逗号）【必填】
+     * @param content   短信内容 【必填】
+     * @param orderNo   批次号 【必填】
+     * @return
+     */
+    public static String send(String mobiles, String content, String orderNo) {
+        try {
+            Map<String, Object> dataMap = new HashMap<>();
+            long timeStamp = System.currentTimeMillis() / 1000;
+            dataMap.put("timeStamp", timeStamp);
+            log.info("timeStamp: {}", timeStamp);
+            dataMap.put("mobiles", mobiles);
+            dataMap.put("content", content);
+            dataMap.put("orderNo", orderNo);
+
+            String jsonStr = JSON.toJSONString(dataMap);
+            log.info("jsonStr: {}", jsonStr);
+            String key = encrypt(jsonStr, PASSWORD, true);
+            log.info("key: {}", key);
+            key = URLEncoder.encode(key, "UTF-8");
+            log.info("key: {}", key);
+            String response = httpUtilPost(BASE_URL, "userid=" + USERNAME + "&key=" + key);
+            log.info(response);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    /**
+     * POST 请求
+     *
+     * @param urls
+     * @param params
+     * @return
+     */
+    public static String httpUtilPost(String urls, String params) {
+        URL url;
+        HttpURLConnection uConn = null;
+        String result = "";
+        try {
+            url = new URL(urls);
+            uConn = (HttpURLConnection) url.openConnection();
+            uConn.setRequestMethod("POST");
+            uConn.setDoInput(true);
+            uConn.setDoOutput(true);
+            uConn.connect();
+            try (PrintWriter out = new PrintWriter(new OutputStreamWriter(uConn.getOutputStream(), "utf-8"));
+                 BufferedReader in = new BufferedReader(new InputStreamReader(uConn.getInputStream(), "utf-8"))) {
+                out.write(params);
+                out.flush();
+                StringBuilder resultBuilder = new StringBuilder();
+                String line;
+                while ((line = in.readLine()) != null) {
+                    if (line.length() > 0)
+                        resultBuilder.append(line);
+                }
+                result = resultBuilder.toString();
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        } finally {
+            if (uConn != null) {
+                uConn.disconnect();
+            }
+        }
+        return result;
+    }
+
+
+    public static String encrypt(String input, String key, Boolean bs64) throws Exception {
+        SecretKeySpec skey = new SecretKeySpec(key.getBytes(StandardCharsets.UTF_8), "AES");
+        Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
+        cipher.init(Cipher.ENCRYPT_MODE, skey);
+        byte[] crypted = cipher.doFinal(input.getBytes(StandardCharsets.UTF_8));
+
+        if (bs64) {
+            return Base64.getEncoder().encodeToString(crypted);
+        } else {
+            throw new UnsupportedOperationException("Non-base64 is not supported.");
+        }
+    }
+}