diff --git a/server/robotserver/app.cc b/server/robotserver/app.cc
index 257c077c..cc2bd83b 100644
--- a/server/robotserver/app.cc
+++ b/server/robotserver/app.cc
@@ -18,6 +18,7 @@
 #include "app.h"
 #include "handlermgr.h"
 #include "httpproxy.h"
+#include "playermgr.h"
 
 #include "ss_msgid.pb.h"
 #include "ss_proto.pb.h"
@@ -95,7 +96,7 @@ bool App::Init(int argc, char* argv[])
 #endif
     uuid.SetMachineId((node_id - 1) * MAX_NODE_ID + instance_id);
     HttpProxy::Instance()->Init();
-
+    PlayerMgr::Instance()->Init();
     {
         int perf_log_time = 1000 * 30;
         f8::Timer::Instance()->SetInterval
@@ -126,6 +127,7 @@ void App::UnInit()
 {
     //const char* s2 = GetEnumString<int>();
     //int i = static_cast<int>(Test_e::kFlyBuffId);
+    PlayerMgr::Instance()->UnInit();
     HttpProxy::Instance()->UnInit();
     f8::BtMgr::Instance()->UnInit();
     f8::HttpClientPool::Instance()->UnInit();
diff --git a/server/robotserver/comgr.cc b/server/robotserver/comgr.cc
new file mode 100644
index 00000000..64cee3b6
--- /dev/null
+++ b/server/robotserver/comgr.cc
@@ -0,0 +1,22 @@
+#include "precompile.h"
+
+#include "comgr.h"
+#include "coroutine.h"
+
+void CoMgr::Init()
+{
+    INIT_LIST_HEAD(&co_list_);
+}
+
+void CoMgr::UnInit()
+{
+
+}
+
+void CoMgr::Update()
+{
+    Coroutine *co = nullptr, *tmp = nullptr;
+    list_for_each_entry_safe(co, tmp, &co_list_, entry) {
+        co->Exec();
+    }
+}
diff --git a/server/robotserver/comgr.h b/server/robotserver/comgr.h
new file mode 100644
index 00000000..8bd9d99e
--- /dev/null
+++ b/server/robotserver/comgr.h
@@ -0,0 +1,22 @@
+#pragma once
+
+#include <a8/singleton.h>
+
+class CoMgr : public a8::Singleton<CoMgr>
+{
+
+ private:
+    CoMgr() {};
+    friend class a8::Singleton<CoMgr>;
+
+ public:
+
+    void Init();
+    void UnInit();
+    void Update();
+
+ private:
+
+    list_head co_list_;
+
+};
diff --git a/server/robotserver/coroutine.cc b/server/robotserver/coroutine.cc
index fbc05807..80eaf034 100644
--- a/server/robotserver/coroutine.cc
+++ b/server/robotserver/coroutine.cc
@@ -1,16 +1,30 @@
 #include "precompile.h"
 
+#include <iostream>
+
 #include "coroutine.h"
 
 Coroutine::Coroutine(std::function<void(Coroutine*)> cb)
 {
+    INIT_LIST_HEAD(&entry);
     cb_ = cb;
     source_ = std::make_shared<boost::coroutines2::coroutine<void>::pull_type>
         (
          [this] (boost::coroutines2::coroutine<void>::push_type& sink)
          {
+             CallEnter(sink);
              cb_(this);
+             CallExit(sink);
          });
+    while (*source_) {
+        a8::XPrintf("xxxxx\n", {});
+        (*source_)();
+    }
+}
+
+void Coroutine::Exec()
+{
+
 }
 
 void Coroutine::CoSuspend()
@@ -23,6 +37,11 @@ void Coroutine::CoResume()
 
 }
 
+void Coroutine::CoYield()
+{
+
+}
+
 void Coroutine::CoAwait(Awaiter& awaiter)
 {
 
@@ -32,3 +51,13 @@ void Coroutine::CoAwait(Awaiter* awaiter)
 {
 
 }
+
+void Coroutine::CallEnter(boost::coroutines2::coroutine<void>::push_type& sink)
+{
+    sink_ = &sink;
+}
+
+void Coroutine::CallExit(boost::coroutines2::coroutine<void>::push_type& sink)
+{
+    sink_ = nullptr;
+}
diff --git a/server/robotserver/coroutine.h b/server/robotserver/coroutine.h
index 8da21787..6abf6104 100644
--- a/server/robotserver/coroutine.h
+++ b/server/robotserver/coroutine.h
@@ -15,15 +15,24 @@ class Promise : public Awaiter
 class Coroutine : public Awaiter
 {
  public:
+    list_head entry;
 
     Coroutine(std::function<void(Coroutine*)> cb);
 
+    void Exec();
     void CoSuspend();
     void CoResume();
+    void CoYield();
     void CoAwait(Awaiter& awaiter);
     void CoAwait(Awaiter* awaiter);
 
+ private:
+
+    void CallEnter(boost::coroutines2::coroutine<void>::push_type& sink);
+    void CallExit(boost::coroutines2::coroutine<void>::push_type& sink);
+
  private:
     std::shared_ptr<boost::coroutines2::coroutine<void>::pull_type> source_;
     std::function<void(Coroutine* co)> cb_;
+    boost::coroutines2::coroutine<void>::push_type* sink_ = nullptr;
 };
diff --git a/server/robotserver/playermgr.cc b/server/robotserver/playermgr.cc
index 58a6bdcf..d9da884c 100644
--- a/server/robotserver/playermgr.cc
+++ b/server/robotserver/playermgr.cc
@@ -6,6 +6,7 @@
 
 #include "playermgr.h"
 #include "player.h"
+#include "coroutine.h"
 
 #include <f8/utils.h>
 #include <f8/msgqueue.h>
@@ -15,6 +16,12 @@ void PlayerMgr::Init()
     for (int i = 0; i < 10; i++) {
 
     }
+    Coroutine co
+        (
+         [] (Coroutine* co)
+         {
+
+         });
 }
 
 void PlayerMgr::UnInit()