diff --git a/jsowell-thirdparty/src/main/java/com/jsowell/thirdparty/platform/util/HttpRequestUtil.java b/jsowell-thirdparty/src/main/java/com/jsowell/thirdparty/platform/util/HttpRequestUtil.java
index 8c03f2f5e..48a40a5a9 100644
--- a/jsowell-thirdparty/src/main/java/com/jsowell/thirdparty/platform/util/HttpRequestUtil.java
+++ b/jsowell-thirdparty/src/main/java/com/jsowell/thirdparty/platform/util/HttpRequestUtil.java
@@ -144,6 +144,10 @@ public class HttpRequestUtil {
         if (ThirdPlatformTypeEnum.YONG_CHENG_BO_CHE.getTypeCode().equals(thirdPlatformType)) {
             params.put("Portname", "wcc-pro");
         }
+        if (ThirdPlatformTypeEnum.NEI_MENG_GU_PLATFORM.getTypeCode().equals(thirdPlatformType)) {
+            // 内蒙古平台
+            params.put("PlatformID", operatorId);
+        }
 
         String sign = GBSignUtils.sign(params, sigSecret);
         params.put("Sig", sign);