diff --git a/services/service/src/softbus/mine_softbus_listener.cpp b/services/service/src/softbus/mine_softbus_listener.cpp
index 26f9c48639b3fc6d4683084a182aa6e5eb0e707b..6badeb873743be97b75f83896e9e375b2ef0fd64 100644
--- a/services/service/src/softbus/mine_softbus_listener.cpp
+++ b/services/service/src/softbus/mine_softbus_listener.cpp
@@ -519,8 +519,9 @@ std::string MineSoftbusListener::DecodeBroadcastData(const std::string &srcData)
         cJSON_Delete(root);
         return "";
     }
+    std::string jsonStr(value);
     cJSON_Delete(root);
-    return std::string(value);
+    return jsonStr;
 }
 
 std::string MineSoftbusListener::DmBase64Encode(const char *input, size_t inputLen)