diff --git a/Applications/LogisticRegression/src/reader.cpp b/Applications/LogisticRegression/src/reader.cpp
index f0d47b6..055d3d6 100644
--- a/Applications/LogisticRegression/src/reader.cpp
+++ b/Applications/LogisticRegression/src/reader.cpp
@@ -44,7 +44,7 @@ SampleReader<EleType>::SampleReader(
   }
   files_.push_back(files.substr(prev));
 
-  buffer_ = CeateSamples<EleType>(buffer_size_, row_size, sparse);
+  buffer_ = CreateSamples<EleType>(buffer_size_, row_size, sparse);
 
 
   if (init) {
diff --git a/Applications/LogisticRegression/src/util/common.h b/Applications/LogisticRegression/src/util/common.h
index 4a9ad43..b6d0d9b 100644
--- a/Applications/LogisticRegression/src/util/common.h
+++ b/Applications/LogisticRegression/src/util/common.h
@@ -46,7 +46,7 @@ inline EleType* MatrixRow(EleType*matrix, int row_id, size_t num_col) {
 }
 
 template <typename EleType>
-Sample<EleType>** CeateSamples(int num, size_t size, bool sparse) {
+Sample<EleType>** CreateSamples(int num, size_t size, bool sparse) {
   Sample<EleType>**samples = new Sample<EleType>*[num];
   for (int i = 0; i < num; ++i) {
     samples[i] = new Sample<EleType>(sparse, size);
diff --git a/CMakeLists.txt b/CMakeLists.txt
index cfca19c..83fb797 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,12 +13,16 @@ find_package(MPI REQUIRED)
 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -std=c++11")
 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
 
+# add for sake of errors like 'undefined reference to `hdfsWrite`'
 if(USE_HDFS)
     ADD_DEFINITIONS(-DMULTIVERSO_USE_HDFS)
     SET(JVM_LIB /usr/local/java/default/jre/lib/amd64/server)
     SET(HDFS_LIB /usr/local/hadoop/lib/native)
+    SET(HDFS_INCLUDE /usr/local/hadoop/include)
     LINK_DIRECTORIES(${HDFS_LIB})
     LINK_DIRECTORIES(${JVM_LIB})
+    include_directories(${HDFS_INCLUDE})
+    link_libraries(hdfs)
 endif(USE_HDFS)
 
 if(ENABLE_DCASGD)
diff --git a/include/multiverso/io/hdfs_stream.h b/include/multiverso/io/hdfs_stream.h
index c8fe4d9..1992601 100644
--- a/include/multiverso/io/hdfs_stream.h
+++ b/include/multiverso/io/hdfs_stream.h
@@ -8,7 +8,7 @@
 * \brief The implement of hdfs io interface.
 */
 
-#include "multiverso/util/io.h"
+#include "multiverso/io/io.h"
 #include "hdfs.h"
 
 #include <cstring>
diff --git a/src/io/hdfs_stream.cpp b/src/io/hdfs_stream.cpp
index 69ba0fe..1c77237 100644
--- a/src/io/hdfs_stream.cpp
+++ b/src/io/hdfs_stream.cpp
@@ -1,9 +1,14 @@
 #ifdef MULTIVERSO_USE_HDFS
 
-#include "multiverso/util/hdfs_stream.h"
+#include "multiverso/io/hdfs_stream.h"
 
 namespace multiverso {
 
+// add O_BINARY define, for no difference for text/binary in unix*
+#ifndef O_BINARY
+#define O_BINARY 0
+#endif
+
 HDFSStream::HDFSStream(hdfsFS fs, const URI &uri, FileOpenMode mode) {
   using namespace std;
   is_good_ = true;