diff --git a/paddle/fluid/distributed/service/heter_server.h b/paddle/fluid/distributed/service/heter_server.h
index 66141622f8cdc345850aedf3daec4b21b675c0ac..5f062755c92424e8bb9b84e1ed85f496d04d0fca 100644
--- a/paddle/fluid/distributed/service/heter_server.h
+++ b/paddle/fluid/distributed/service/heter_server.h
@@ -336,7 +336,7 @@ class HeterServer {
 
   bool IsExit() { return service_.IsExit(); }
 
-  HeterServer() { this->ready_ = 0; }
+  HeterServer() : service_(), ready_(0) {}
 
   void RegisterServiceHandler(std::string message_name,
                               HeterServiceHandler func);
@@ -391,7 +391,7 @@ class HeterServer {
   DISABLE_COPY_AND_ASSIGN(HeterServer);
   std::mutex mutex_ready_;
 
-  int ready_ = 0;
+  int ready_;
 };
 
 }  // end namespace distributed
diff --git a/paddle/fluid/framework/heter_section_worker.cc b/paddle/fluid/framework/heter_section_worker.cc
index a8db38f8077dd720df073539cd94cc616fcf9c31..69a4a180a9071c4a4bd12d08592d1b4f27e14d4a 100644
--- a/paddle/fluid/framework/heter_section_worker.cc
+++ b/paddle/fluid/framework/heter_section_worker.cc
@@ -277,7 +277,7 @@ void HeterSectionWorker::CopyParameters(int microbatch_id,
 void HeterSectionWorker::Run() {
   if (debug_) {
     size_t total_ops_size = forward_ops_.size() + backward_ops_.size();
-    op_name_.resize(total_ops_size);
+    op_name_.reserve(total_ops_size);
     op_total_time_.resize(total_ops_size);
     platform::SetNumThreads(1);
     // forward op + backward op