diff --git a/ruoyi-modules/Sis/src/main/java/org/dromara/sis/sdk/e8/domain/voucher/req/ChangeCardReq.java b/ruoyi-modules/Sis/src/main/java/org/dromara/sis/sdk/e8/domain/voucher/req/ChangeCardReq.java
index a846f9b..b3ca17a 100644
--- a/ruoyi-modules/Sis/src/main/java/org/dromara/sis/sdk/e8/domain/voucher/req/ChangeCardReq.java
+++ b/ruoyi-modules/Sis/src/main/java/org/dromara/sis/sdk/e8/domain/voucher/req/ChangeCardReq.java
@@ -9,12 +9,6 @@ import lombok.Data;
  */
 @Data
 public class ChangeCardReq {
-    /**
-     * origVoucherId	int64	 	Y	原凭证ID
-     * idno	string	 	Y	物理卡号
-     * remark	string	 	N	备注
-     * personID	int64	 	Y	人员ID
-     */
 
     /**
      * 原凭证ID
diff --git a/ruoyi-modules/Sis/src/main/java/org/dromara/sis/sdk/e8/impl/VoucherControlServiceImpl.java b/ruoyi-modules/Sis/src/main/java/org/dromara/sis/sdk/e8/impl/VoucherControlServiceImpl.java
index dc39abe..fa87143 100644
--- a/ruoyi-modules/Sis/src/main/java/org/dromara/sis/sdk/e8/impl/VoucherControlServiceImpl.java
+++ b/ruoyi-modules/Sis/src/main/java/org/dromara/sis/sdk/e8/impl/VoucherControlServiceImpl.java
@@ -62,7 +62,8 @@ public class VoucherControlServiceImpl implements VoucherControlService {
     public Boolean issueVoucherMany(List<IssueVoucherReq> req) {
         // 封装入参
         Map<String, Object> params = new HashMap<>();
-        params.put("", req);
+        params.put("many", true);
+        params.put("list", req);
 
         // 调用API
         ApiResp apiResp = e8ApiUtil.doPost(params, ISSUANCE_VOUCHER_MANY);
@@ -119,7 +120,8 @@ public class VoucherControlServiceImpl implements VoucherControlService {
     @Override
     public Boolean cancelVoucher(CancelVoucherReq req) {
         Map<String, Object> params = new HashMap<>();
-        params.put("", req.getIds());
+        params.put("many", true);
+        params.put("list", req.getIds());
 
         ApiResp apiResp = e8ApiUtil.doPost(params, CANCEL_VOUCHER);
 
diff --git a/ruoyi-modules/Sis/src/main/java/org/dromara/sis/sdk/e8/utils/E8ApiUtil.java b/ruoyi-modules/Sis/src/main/java/org/dromara/sis/sdk/e8/utils/E8ApiUtil.java
index 84fd0e7..3cc1df4 100644
--- a/ruoyi-modules/Sis/src/main/java/org/dromara/sis/sdk/e8/utils/E8ApiUtil.java
+++ b/ruoyi-modules/Sis/src/main/java/org/dromara/sis/sdk/e8/utils/E8ApiUtil.java
@@ -1,5 +1,6 @@
 package org.dromara.sis.sdk.e8.utils;
 
+import cn.hutool.core.collection.CollectionUtil;
 import cn.hutool.crypto.digest.DigestUtil;
 import cn.hutool.http.HttpRequest;
 import cn.hutool.http.HttpResponse;
@@ -10,10 +11,7 @@ import org.springframework.util.ObjectUtils;
 
 import java.nio.charset.StandardCharsets;
 import java.text.SimpleDateFormat;
-import java.util.Base64;
-import java.util.Date;
-import java.util.LinkedHashMap;
-import java.util.Map;
+import java.util.*;
 import java.util.stream.Collectors;
 
 /**
@@ -38,13 +36,30 @@ public class E8ApiUtil {
     public ApiResp doPost(Map<String, Object> params, String api) {
         // 时间戳
         String timestamp = Long.toString(System.currentTimeMillis());
-        // sign签名
-        String sign = getPostSign(params, api, timestamp);
+
+        String sign;
+        String jsonBody;
+        // 判断是否执行批量接口
+        if (params.get("many") != null) {
+            Object list = params.get("list");
+            List<Object> realParams = CollectionUtil.toList(list);
+
+            // sign签名
+            sign = getPostSign(null, api, timestamp);
+            // 将params转换为JSON字符串
+            jsonBody = JSONUtil.toJsonStr(realParams);
+
+        }else {
+            // sign签名
+            sign = getPostSign(params, api, timestamp);
+            // 将params转换为JSON字符串
+            jsonBody = JSONUtil.toJsonStr(params);
+        }
+
         // url
         String url = BASE_URL + api;
 
-        // 将params转换为JSON字符串
-        String jsonBody = JSONUtil.toJsonStr(params);
+
         // 对请求体进行Base64加密，指定UTF-8编码，避免乱码
         String base64Body = Base64.getEncoder().encodeToString(jsonBody.getBytes(StandardCharsets.UTF_8));