diff --git a/services/distributeddataservice/adapter/communicator/src/softbus_adapter_standard.cpp b/services/distributeddataservice/adapter/communicator/src/softbus_adapter_standard.cpp
index 1fd2e3f42d23b6b40858c038dd85fc7ab5ad6a2a..78c365e65c709c67c65102e52ad682653e4cd8c8 100755
--- a/services/distributeddataservice/adapter/communicator/src/softbus_adapter_standard.cpp
+++ b/services/distributeddataservice/adapter/communicator/src/softbus_adapter_standard.cpp
@@ -465,6 +465,7 @@ Status SoftBusAdapter::SendData(const PipeInfo &pipeInfo, const DeviceId &device
 {
     SessionAttribute attr;
     attr.dataType = TYPE_BYTES;
+    attr.unique = true;
     ZLOGD("[SendData] to %{public}s ,session:%{public}s, size:%{public}d", ToBeAnonymous(deviceId.deviceId).c_str(),
         pipeInfo.pipeId.c_str(), size);
     int sessionId = OpenSession(pipeInfo.pipeId.c_str(), pipeInfo.pipeId.c_str(),
@@ -509,6 +510,7 @@ bool SoftBusAdapter::IsSameStartedOnPeer(const struct PipeInfo &pipeInfo,
     }
     SessionAttribute attr;
     attr.dataType = TYPE_BYTES;
+    attr.unique = true;
     int sessionId = OpenSession(pipeInfo.pipeId.c_str(), pipeInfo.pipeId.c_str(), ToNodeID("", peer.deviceId).c_str(),
         "GROUP_ID", &attr);
     ZLOGI("[IsSameStartedOnPeer] sessionId=%{public}d", sessionId);