diff --git a/health-im/health-im-biz/src/main/java/com/renkang/im/util/TencentCloudImUtil.java b/health-im/health-im-biz/src/main/java/com/renkang/im/util/TencentCloudImUtil.java
index 68a53fc..64ebf2d 100644
--- a/health-im/health-im-biz/src/main/java/com/renkang/im/util/TencentCloudImUtil.java
+++ b/health-im/health-im-biz/src/main/java/com/renkang/im/util/TencentCloudImUtil.java
@@ -300,6 +300,8 @@ public class TencentCloudImUtil {
         param.put("CloudCustomData", new JSONObject().fluentPut("fromAdmin", isAdmin).toJSONString());
 
         JSONObject jj = JSONObject.parseObject(req.getContent());
+        // 保持与 sendGroupMsgText 一致的协议字段，客户端依赖 businessID 识别消息类型
+        jj.put("businessID", "article");
         try {
             JSONObject item = new JSONObject();
             JSONObject msgContentData = new JSONObject();