diff --git a/paddle/CMakeLists.txt b/paddle/CMakeLists.txt
index 22e55d3b3b764294c479238b698d0193d1784a40..573bd937a351a6f308974e14f3bc92cbe1b541bc 100644
--- a/paddle/CMakeLists.txt
+++ b/paddle/CMakeLists.txt
@@ -18,8 +18,8 @@ add_subdirectory(strings)
 
 find_package(Boost QUIET)
 
-
 if(Boost_FOUND)
+  include_directories(${Boost_INCLUDE_DIRS})
   add_subdirectory(platform)
   add_subdirectory(framework)
 endif()
diff --git a/paddle/function/NaiveConvOp.cpp b/paddle/function/NaiveConvOp.cpp
index 70bd196a674993a00788ad7a6662b1c4f8a00e07..4348f0f775e9442c50a3c45b9a8e6dad5c6b198d 100644
--- a/paddle/function/NaiveConvOp.cpp
+++ b/paddle/function/NaiveConvOp.cpp
@@ -54,8 +54,8 @@ public:
                   T inValue;
                   const int inH = inStartH + fH;
                   const int inW = inStartW + fW;
-                  if ((inH >= 0 && inH < inputHeight) &&
-                      (inW >= 0 && inW < inputWidth)) {
+                  if ((inH >= 0 && inH < (int)inputHeight) &&
+                      (inW >= 0 && inW < (int)inputWidth)) {
                     size_t offsetInput =
                         batch * inputChannels * inputHeight * inputWidth +
                         inC * inputHeight * inputWidth + inH * inputWidth + inW;