diff --git a/services/services/player/client/player_client.cpp b/services/services/player/client/player_client.cpp
index 7b30af2ce5b913412f111b0d727dce019e5515f4..4b902b3520a05ad79ae1ef7f919632863d178307 100644
--- a/services/services/player/client/player_client.cpp
+++ b/services/services/player/client/player_client.cpp
@@ -488,12 +488,14 @@ int32_t PlayerClient::SetDeviceChangeCbStatus(bool status)
 
 int32_t PlayerClient::SetPlaybackStrategy(AVPlayStrategy playbackStrategy)
 {
+    std::lock_guard<std::mutex> lock(mutex_);
     CHECK_AND_RETURN_RET_LOG(playerProxy_ != nullptr, MSERR_INVALID_VAL, "playerProxy_ not exist");
     return playerProxy_->SetPlaybackStrategy(playbackStrategy);
 }
 
 int32_t PlayerClient::SetMediaMuted(OHOS::Media::MediaType mediaType, bool isMuted)
 {
+    std::lock_guard<std::mutex> lock(mutex_);
     CHECK_AND_RETURN_RET_LOG(playerProxy_ != nullptr, MSERR_INVALID_VAL, "playerProxy_ not exist");
     return playerProxy_->SetMediaMuted(mediaType, isMuted);
 }