diff --git a/paddle/platform/place.cc b/paddle/platform/place.cc
index d500c4cc7a0b46d4bb02812101dec60a150363ab..1afd03c01169d395b086c1da458ce25c66a12a51 100644
--- a/paddle/platform/place.cc
+++ b/paddle/platform/place.cc
@@ -6,16 +6,16 @@ namespace platform {
 namespace detail {
 
 class PlacePrinter : public boost::static_visitor<> {
-public:
+ public:
   PlacePrinter(std::ostream &os) : os_(os) {}
   void operator()(const CpuPlace &) { os_ << "CpuPlace"; }
   void operator()(const GpuPlace &p) { os_ << "GpuPlace(" << p.device << ")"; }
 
-private:
+ private:
   std::ostream &os_;
 };
 
-} // namespace detail
+}  // namespace detail
 
 static Place the_default_place;
 
@@ -42,5 +42,5 @@ std::ostream &operator<<(std::ostream &os, const Place &p) {
   return os;
 }
 
-} // namespace platform
-} // namespace paddle
+}  // namespace platform
+}  // namespace paddle
diff --git a/paddle/platform/place.h b/paddle/platform/place.h
index ca1b76ef4b8b7d8a38b3e80b9b798ee392e60a1e..489572c526e162500c8f747f0ec8df10da9d86a2 100644
--- a/paddle/platform/place.h
+++ b/paddle/platform/place.h
@@ -45,5 +45,5 @@ bool places_are_same_class(const Place &, const Place &);
 
 std::ostream &operator<<(std::ostream &, const Place &);
 
-} // namespace platform
-} // namespace paddle
+}  // namespace platform
+}  // namespace paddle