diff --git a/cpp/core/jni/JniWrapper.cc b/cpp/core/jni/JniWrapper.cc
index 9669172deefa..794ca6b88f48 100644
--- a/cpp/core/jni/JniWrapper.cc
+++ b/cpp/core/jni/JniWrapper.cc
@@ -824,7 +824,7 @@ JNIEXPORT jlong JNICALL Java_org_apache_gluten_vectorized_ShuffleWriterJniWrappe
     partitionWriterOptions.codecBackend = getCodecBackend(env, codecBackendJstr);
     partitionWriterOptions.compressionMode = getCompressionMode(env, compressionModeJstr);
   }
-  const auto & conf = ctx->getConfMap();
+  const auto& conf = ctx->getConfMap();
   {
     auto it = conf.find(kShuffleFileBufferSize);
     if (it != conf.end()) {
diff --git a/cpp/core/shuffle/Utils.cc b/cpp/core/shuffle/Utils.cc
index 26164ddc9ff3..03a6f512cf93 100644
--- a/cpp/core/shuffle/Utils.cc
+++ b/cpp/core/shuffle/Utils.cc
@@ -279,7 +279,7 @@ void MmapFileStream::willNeed(int64_t length) {
   if (ret != 0) {
     LOG(WARNING) << "madvise willneed failed: " << ::arrow::internal::ErrnoMessage(errno);
   }
-  
+
   posFetch_ += fetchLen;
 }