diff --git a/cmake/util.cmake b/cmake/util.cmake
index a91e1d56430144bb88072936989d83cd619e5771..5f2f4a075cc579fac827fefbfc30f6743d2e4cc9 100644
--- a/cmake/util.cmake
+++ b/cmake/util.cmake
@@ -104,9 +104,10 @@ function(link_paddle_exe TARGET_NAME)
         ${PROTOBUF_LIBRARY}
         ${CMAKE_THREAD_LIBS_INIT}
         ${CBLAS_LIBS}
-        ${CMAKE_DL_LIBS}
         ${INTERAL_LIBS}
-        ${ZLIB_LIBRARIES})
+        ${ZLIB_LIBRARIES}
+        ${CMAKE_DL_LIBS}
+        )
     
     if(WITH_PYTHON)
         target_link_libraries(${TARGET_NAME}
diff --git a/paddle/math/Allocator.h b/paddle/math/Allocator.h
index ca8eadbc1aa42265c1e505d41e1a134b0e7f19b9..f7aa60380f23eeea91ee852480862f6b19caedec 100644
--- a/paddle/math/Allocator.h
+++ b/paddle/math/Allocator.h
@@ -49,7 +49,7 @@ public:
    */
   virtual void* alloc(size_t size) {
       void* ptr;
-      posix_memalign(&ptr, 32ul, size);
+      CHECK_EQ(posix_memalign(&ptr, 32ul, size), 0);
       CHECK(ptr) << "Fail to allocate CPU memory: size=" << size;
       return ptr;
   }
diff --git a/paddle/math/tests/test_SIMDFunctions.cpp b/paddle/math/tests/test_SIMDFunctions.cpp
index bae5d8c684d8920b738fcd1cda1bd831f2333605..491b0cda7b9e1a13882aee6621e0de984709ae80 100644
--- a/paddle/math/tests/test_SIMDFunctions.cpp
+++ b/paddle/math/tests/test_SIMDFunctions.cpp
@@ -38,7 +38,7 @@ static std::mt19937 RandomEngine(time(0));
 inline static std::unique_ptr<float[]> NewVector(size_t len = VECTOR_LEN,
                                                  size_t align = ALIGN) {
   float* ptr;
-  posix_memalign((void**)&ptr, align, len * sizeof(float));
+  CHECK_EQ(posix_memalign((void**)&ptr, align, len * sizeof(float)), 0);
   return std::unique_ptr<float[]>(ptr);
 }
 
diff --git a/paddle/parameter/tests/test_common.cpp b/paddle/parameter/tests/test_common.cpp
index 4f92aec1d967169e2c27579b8a95941c029a3e49..1a22abf7cf80157039f6147293e7648d654e45f7 100644
--- a/paddle/parameter/tests/test_common.cpp
+++ b/paddle/parameter/tests/test_common.cpp
@@ -125,9 +125,11 @@ TEST_F(CommonTest, sgdUpdate) {
   const size_t alignHeader[] = {0, 2, 3, 5, 7, 8};
   for (auto& size : sizeVec_) {
     real *gradientBuffer, *valueBuffer, *momentumBuffer;
-    posix_memalign((void**)&gradientBuffer, 32, sizeof(real) * size);
-    posix_memalign((void**)&valueBuffer, 32, sizeof(real) * size);
-    posix_memalign((void**)&momentumBuffer, 32, sizeof(real) * size);
+    CHECK_EQ(posix_memalign((void**)&gradientBuffer, 32, sizeof(real) * size),
+        0);
+    CHECK_EQ(posix_memalign((void**)&valueBuffer, 32, sizeof(real) * size), 0);
+    CHECK_EQ(posix_memalign((void**)&momentumBuffer, 32, sizeof(real) * size),
+        0);
 
     for (size_t i = 0; i < size; i++) {
       gradientBuffer[i] = 1.0;
diff --git a/paddle/utils/Stat.cpp b/paddle/utils/Stat.cpp
index aab5446a98c0bae3f03b4b319836721bdd1112da..ff6e8ade2cd48f85c3f1a0c2acd5542097aa4117 100644
--- a/paddle/utils/Stat.cpp
+++ b/paddle/utils/Stat.cpp
@@ -25,7 +25,7 @@ namespace paddle {
 pid_t getTID() {
   #if defined(__APPLE__) || defined(__OSX__)
       pid_t tid = syscall(SYS_thread_selfid);
-  #elif defined(__LINUX__)
+  #else
       #ifndef __NR_gettid
       #define __NR_gettid 224
       #endif
diff --git a/paddle/utils/arch/linux/Locks.cpp b/paddle/utils/arch/linux/Locks.cpp
index 939a04dc0fc2cbc2cf1c33afaa74250e0b552bd3..347ae64c26dfdfcdaff62886481c20e9c4c7cfec 100644
--- a/paddle/utils/arch/linux/Locks.cpp
+++ b/paddle/utils/arch/linux/Locks.cpp
@@ -12,7 +12,7 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License. */
 
-#include "paddle/util/Locks.h"
+#include "paddle/utils/Locks.h"
 #include <semaphore.h>
 #include <unistd.h>
 
@@ -35,7 +35,7 @@ bool Semaphore::timeWait(struct timespec* ts) {
 }
 
 void Semaphore::wait() {
-  sem_wait(&m->sem); 
+  sem_wait(&m->sem);
 }
 
 void Semaphore::post() {
@@ -82,4 +82,4 @@ void ThreadBarrier::wait() {
   pthread_barrier_wait(&m->barrier_);
 }
 
-}  // namespace paddle
\ No newline at end of file
+}  // namespace paddle