diff --git a/json/save2json.cpp b/json/save2json.cpp
index c6f71f3..50923c5 100644
--- a/json/save2json.cpp
+++ b/json/save2json.cpp
@@ -330,7 +330,8 @@ void my_rocketmq_send(Ckafka_data_t& data)
 		add_sng_log(data.strText.toAscii().data());
 
 	}
-	rocketmq_producer_send(const_cast<char*>(senddata.c_str()),const_cast<char*>(topic.c_str()));
+	//rocketmq_producer_send(const_cast<char*>(senddata.c_str()),const_cast<char*>(topic.c_str()));
+	rocketmq_producer_send(senddata.c_str(), topic.c_str());//lnk20250623修复偶发性doublefree
 }