diff --git a/paddle/gserver/tests/LayerGradUtil.cpp b/paddle/gserver/tests/LayerGradUtil.cpp
index 7617af10ba719490d1b33dd297b070cd8c7c292c..a0b1cd471dd02fd20bb2247395bdb74651610bbf 100644
--- a/paddle/gserver/tests/LayerGradUtil.cpp
+++ b/paddle/gserver/tests/LayerGradUtil.cpp
@@ -778,8 +778,10 @@ void testProjectionGrad(ProjectionConfig conf,
   config.biasSize = biasSize == 0 ? config.layerConfig.size() : biasSize;
   config.layerConfig.set_bias_size(config.biasSize);
   config.layerConfig.set_shared_biases(sharedBias);
-  config.inputDefs.push_back(
-      {inputType, "layer_0", conf.input_size(), parameterSize});
+  config.inputDefs.push_back({inputType,
+                              "layer_0",
+                              static_cast<size_t>(conf.input_size()),
+                              parameterSize});
   *config.layerConfig.add_inputs()->mutable_proj_conf() = conf;
   config.testState = testState;
   testLayerGrad(config, "mixed", batchSize, false, useGpu);
diff --git a/paddle/math/MathFunctions.cpp b/paddle/math/MathFunctions.cpp
index 91817eab468de29f0bf693433657f20103f87570..6203cd3b9ab9f95853cd3c46750fd55d6dfbba4a 100644
--- a/paddle/math/MathFunctions.cpp
+++ b/paddle/math/MathFunctions.cpp
@@ -111,7 +111,7 @@ int getrf<double>(const CBLAS_ORDER order,
   return LAPACKE_dgetrf(order, M, N, A, lda, ipiv);
 #endif
 #else
-  LOG(FATAL) << "Not implemented".
+  LOG(FATAL) << "Not implemented";
 #endif
   return 0;
 }
@@ -129,7 +129,7 @@ int getri<float>(const CBLAS_ORDER order,
   return LAPACKE_sgetri(order, N, A, lda, ipiv);
 #endif
 #else
-  LOG(FATAL) << "Not implemented".
+  LOG(FATAL) << "Not implemented";
 #endif
   return 0;
 }
@@ -147,7 +147,7 @@ int getri<double>(const CBLAS_ORDER order,
   return LAPACKE_dgetri(order, N, A, lda, ipiv);
 #endif
 #else
-  LOG(FATAL) << "Not implemented".
+  LOG(FATAL) << "Not implemented";
 #endif
   return 0;
 }
diff --git a/paddle/utils/arch/linux/Locks.cpp b/paddle/utils/arch/linux/Locks.cpp
index 2a6f96e04d024ac3977bc154dbeeb69ce9ab3a5d..c189229cfccf7d907118bd87a15889c8fab00724 100644
--- a/paddle/utils/arch/linux/Locks.cpp
+++ b/paddle/utils/arch/linux/Locks.cpp
@@ -38,34 +38,68 @@ void Semaphore::post() { sem_post(&m->sem); }
 
 class SpinLockPrivate {
 public:
-  inline SpinLockPrivate() { pthread_spin_init(&lock_, 0); }
-  inline ~SpinLockPrivate() { pthread_spin_destroy(&lock_); }
+  inline SpinLockPrivate() {
+#ifndef __ANDROID__
+    pthread_spin_init(&lock_, 0);
+#else
+    lock_ = 0;
+#endif
+  }
+  inline ~SpinLockPrivate() {
+#ifndef __ANDROID__
+    pthread_spin_destroy(&lock_);
+#endif
+  }
+#ifndef __ANDROID__
   pthread_spinlock_t lock_;
-  char padding_[64 - sizeof(pthread_spinlock_t)];
+#else
+  unsigned long lock_;
+#endif
+  char padding_[64 - sizeof(lock_)];
 };
 
 SpinLock::SpinLock() : m(new SpinLockPrivate()) {}
 
 SpinLock::~SpinLock() { delete m; }
 
-void SpinLock::lock() { pthread_spin_lock(&m->lock_); }
+void SpinLock::lock() {
+#ifndef __ANDROID__
+  pthread_spin_lock(&m->lock_);
+#endif
+}
 
-void SpinLock::unlock() { pthread_spin_unlock(&m->lock_); }
+void SpinLock::unlock() {
+#ifndef __ANDROID__
+  pthread_spin_unlock(&m->lock_);
+#endif
+}
 
 class ThreadBarrierPrivate {
 public:
+#ifndef __ANDROID__
   pthread_barrier_t barrier_;
+#else
+  unsigned long barrier_;
+#endif
 };
 
 ThreadBarrier::ThreadBarrier(int count) : m(new ThreadBarrierPrivate()) {
+#ifndef __ANDROID__
   pthread_barrier_init(&m->barrier_, nullptr, count);
+#endif
 }
 
 ThreadBarrier::~ThreadBarrier() {
+#ifndef __ANDROID__
   pthread_barrier_destroy(&m->barrier_);
+#endif
   delete m;
 }
 
-void ThreadBarrier::wait() { pthread_barrier_wait(&m->barrier_); }
+void ThreadBarrier::wait() {
+#ifndef __ANDROID__
+  pthread_barrier_wait(&m->barrier_);
+#endif
+}
 
 }  // namespace paddle