diff --git a/sys/shkd-sys-sys/src/main/java/shkd/sys/sys/mservice/ApiService.java b/sys/shkd-sys-sys/src/main/java/shkd/sys/sys/mservice/ApiService.java
index f0c6cb7..e9b526d 100644
--- a/sys/shkd-sys-sys/src/main/java/shkd/sys/sys/mservice/ApiService.java
+++ b/sys/shkd-sys-sys/src/main/java/shkd/sys/sys/mservice/ApiService.java
@@ -1435,7 +1435,7 @@ public class ApiService {
 
         requestBody.put("data", data);
 
-        resultMap.put("shkd_request", requestBody);
+        resultMap.put("shkd_request", JSON.toJSONString(requestBody).toString());
 
         // 创建HttpEntity
         HttpEntity<Map<String, Object>> httpEntity = new HttpEntity<>(requestBody, headers);
@@ -1593,6 +1593,9 @@ public class ApiService {
                         break;
                 }
                 bodyMap.put(dynamicObject.getString("shkd_jsonzdm"), key);
+            } else if ("LHH".equals(shkd_djzdms)) {
+                String value = getFirst12Characters(billObject.getString("number"));
+                bodyMap.put(dynamicObject.getString("shkd_jsonzdm"), value);
             } else {
                 bodyMap.put(dynamicObject.getString("shkd_jsonzdm"), billObject.getString(shkd_djzdms));
             }
@@ -1648,4 +1651,21 @@ public class ApiService {
         DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
         return twoDaysAgo.format(formatter);
     }
+
+    /**
+     * 截取字符串前12个字符
+     * @param input 输入字符串
+     * @return 截取后的字符串
+     */
+    public static String getFirst12Characters(String input) {
+        if (input == null) {
+            return null;
+        }
+
+        if (input.length() <= 12) {
+            return input;
+        }
+
+        return input.substring(0, 12);
+    }
 }
\ No newline at end of file