diff --git a/server/robotserver/coroutine.cc b/server/robotserver/coroutine.cc
new file mode 100644
index 00000000..8ec2b649
--- /dev/null
+++ b/server/robotserver/coroutine.cc
@@ -0,0 +1,28 @@
+#include "precompile.h"
+
+#include "coroutine.h"
+
+Coroutine::Coroutine(std::function<void(Coroutine* co)> cb)
+{
+    cb_ = cb;
+}
+
+void Coroutine::CoSuspend()
+{
+
+}
+
+void Coroutine::CoResume()
+{
+
+}
+
+void Coroutine::CoAwait(Awaiter& awaiter)
+{
+
+}
+
+void Coroutine::CoAwait(Awaiter* awaiter)
+{
+
+}
diff --git a/server/robotserver/coroutine.h b/server/robotserver/coroutine.h
new file mode 100644
index 00000000..954a7aab
--- /dev/null
+++ b/server/robotserver/coroutine.h
@@ -0,0 +1,29 @@
+#pragma once
+
+#include <boost/coroutine2/all.hpp>
+
+class Awaiter
+{
+
+};
+
+class Promise : public Awaiter
+{
+
+};
+
+class Coroutine : public Awaiter
+{
+ public:
+
+    Coroutine(std::function<void(Coroutine* co)> cb);
+
+    void CoSuspend();
+    void CoResume();
+    void CoAwait(Awaiter& awaiter);
+    void CoAwait(Awaiter* awaiter);
+
+ private:
+    boost::coroutines2::coroutine<void>  coro_;
+    std::function<void(Coroutine* co)> cb_;
+};
diff --git a/server/robotserver/player.h b/server/robotserver/player.h
index 2af508ad..5cf56e48 100644
--- a/server/robotserver/player.h
+++ b/server/robotserver/player.h
@@ -2,5 +2,8 @@
 
 class Player
 {
+ public:
+    std::string account_id;
+    std::string session_id;
 
 };
diff --git a/server/robotserver/playermgr.cc b/server/robotserver/playermgr.cc
index 8ab1ff56..58a6bdcf 100644
--- a/server/robotserver/playermgr.cc
+++ b/server/robotserver/playermgr.cc
@@ -1,5 +1,7 @@
 #include "precompile.h"
 
+#include <boost/coroutine2/all.hpp>
+
 #include <f8/udplog.h>
 
 #include "playermgr.h"
@@ -10,6 +12,9 @@
 
 void PlayerMgr::Init()
 {
+    for (int i = 0; i < 10; i++) {
+
+    }
 }
 
 void PlayerMgr::UnInit()