diff --git a/server/robotserver/android_agent.cc b/server/robotserver/android_agent.cc
index 00906824..e2c056a6 100644
--- a/server/robotserver/android_agent.cc
+++ b/server/robotserver/android_agent.cc
@@ -1,5 +1,8 @@
 #include "precompile.h"
 
+#include <glm/glm.hpp>
+#include <glm/gtc/matrix_transform.hpp>
+
 #include <a8/mutable_xobject.h>
 #include <a8/websocketclient.h>
 
@@ -33,7 +36,6 @@ behaviac::EBTStatus AndroidAgent::SearchEnemy(int range)
 
 bool AndroidAgent::NetIsConnected()
 {
-    a8::XPrintf("NetIsConnected\n", {});
     return true;
     return owner_->GetWebSocket()->Connected() != 0;
 }
@@ -134,7 +136,6 @@ behaviac::EBTStatus AndroidAgent::CoLogin()
 behaviac::EBTStatus AndroidAgent::CoConnectBattleServer()
 {
     PRE_ENTER_COROUTINE();
-    a8::XPrintf("CoConnectBattleServer socket_id:%d\n", {owner_->GetSocketId()});
     auto context = MAKE_BTCONTEXT
         (
          std::function<void (a8::WebSocketClient*, int)> old_on_error;
@@ -158,7 +159,7 @@ behaviac::EBTStatus AndroidAgent::CoConnectBattleServer()
     owner_->GetWebSocket()->on_connect =
         [this, context] (a8::WebSocketClient* )
         {
-            a8::XPrintf("id:%d WebSocketClient on_connect\n", {context->socket_id});
+            //a8::XPrintf("id:%d WebSocketClient on_connect\n", {context->socket_id});
             context->pending = false;
             context->connect_ok = true;
         };
@@ -219,6 +220,7 @@ behaviac::EBTStatus AndroidAgent::CoJoin()
              if (!owner_->IsJoinOk()) {
                  return behaviac::BT_RUNNING;
              }
+             ++Perf::Instance()->join_ok_times;
              return behaviac::BT_SUCCESS;
          };
     return StartCoroutine(co);
@@ -236,11 +238,15 @@ behaviac::EBTStatus AndroidAgent::CoUpdateGame()
     #if 1
     ++Perf::Instance()->update_times;
     if (owner_->GetWebSocket()->Connected()) {
+        std::shared_ptr<glm::vec3> sand_table_target_pos;
         if (a8::XGetTickCount() - last_dir_tick_ > 3000) {
             curr_dir_ = glm::vec3(0.0f, 0.0f, 1.0f);
-            GlmHelper::RotateY(curr_dir_, a8::RandAngle());
+            GlmHelper::RotateY(curr_dir_, glm::radians((float(rand() % 360))));
             last_dir_tick_ = a8::XGetTickCount();
             ++Perf::Instance()->chg_dir_times;
+            sand_table_target_pos = std::make_shared<glm::vec3>(0.0f, 0.0f, 0.0f);
+            sand_table_target_pos->x = a8::RandEx(100, 2000);
+            sand_table_target_pos->z = a8::RandEx(100, 2000);
         }
         if (a8::XGetTickCount() - last_send_tick_ > 80) {
             last_send_tick_ = a8::XGetTickCount();
@@ -249,6 +255,9 @@ behaviac::EBTStatus AndroidAgent::CoUpdateGame()
                 cs::CMMove msg;
                 ToPb(curr_dir_, msg.mutable_move_dir());
                 ToPb(curr_dir_, msg.mutable_attack_dir());
+                if (sand_table_target_pos) {
+                    ToPb(*sand_table_target_pos.get(), msg.mutable_sand_table_target_pos());
+                }
                 msg.set_shot_start(1);
                 msg.set_shot_hold(1);
                 owner_->SendMsg(msg);
@@ -259,7 +268,7 @@ behaviac::EBTStatus AndroidAgent::CoUpdateGame()
             }
         }
     } else {
-        a8::XPrintf("disconnect\n", {});
+        //a8::XPrintf("disconnect\n", {});
     }
     #endif
     return behaviac::BT_SUCCESS;
diff --git a/server/robotserver/base_agent.cc b/server/robotserver/base_agent.cc
index 82af3aef..839abbd8 100644
--- a/server/robotserver/base_agent.cc
+++ b/server/robotserver/base_agent.cc
@@ -1,6 +1,8 @@
 #include "precompile.h"
 
 #include "base_agent.h"
+#include "tracemgr.h"
+#include "perf.h"
 
 #include <f8/btmgr.h>
 
diff --git a/server/robotserver/perf.cc b/server/robotserver/perf.cc
index 51186b07..e31355c6 100644
--- a/server/robotserver/perf.cc
+++ b/server/robotserver/perf.cc
@@ -25,7 +25,7 @@ void Perf::UnInit()
 void Perf::Output()
 {
     f8::UdpLog::Instance()->Info
-        ("perf login_ok:%d login_fail:%d enter_ok:%d enter_fail:%d connect_ok:%d connect_fail:%d chg_dir:%d send_move:%d update:%d",
+        ("perf login_ok:%d login_fail:%d enter_ok:%d enter_fail:%d connect_ok:%d connect_fail:%d join_ok:%d chg_dir:%d send_move:%d update:%d",
          {
           login_ok_times,
           login_fail_times,
@@ -33,6 +33,7 @@ void Perf::Output()
           enter_fail_times,
           connect_ok_times,
           connect_fail_times,
+          join_ok_times,
           chg_dir_times,
           send_move_times,
           update_times
diff --git a/server/robotserver/perf.h b/server/robotserver/perf.h
index 32f306bd..01f2355f 100644
--- a/server/robotserver/perf.h
+++ b/server/robotserver/perf.h
@@ -19,11 +19,11 @@ private:
     long long enter_fail_times = 0;
     long long connect_ok_times = 0;
     long long connect_fail_times = 0;
+    long long join_ok_times = 0;
     long long chg_dir_times = 0;
     long long send_move_times = 0;
     long long update_times = 0;
 
- private:
     void Output();
 
 };
diff --git a/server/robotserver/player.cc b/server/robotserver/player.cc
index 6428b8ae..adbf60e3 100644
--- a/server/robotserver/player.cc
+++ b/server/robotserver/player.cc
@@ -15,8 +15,11 @@
 
 void Player::Update()
 {
-    if (agent_) {
-        agent_->Exec();
+    if (a8::XGetTickCount() - last_update_tick_ > 50) {
+        last_update_tick_ = a8::XGetTickCount();
+        if (agent_) {
+            agent_->Exec();
+        }
     }
 }
 
diff --git a/server/robotserver/player.h b/server/robotserver/player.h
index f42e42df..b260058b 100644
--- a/server/robotserver/player.h
+++ b/server/robotserver/player.h
@@ -83,6 +83,7 @@ private:
     bool is_login_success_ = false;
     bool net_connected_ = false;
     bool join_ok_ = false;
+    long long last_update_tick_ = 0;
 
     std::shared_ptr<a8::WebSocketClient> web_socket_;
 
diff --git a/server/robotserver/playermgr.cc b/server/robotserver/playermgr.cc
index d8ddd354..604125ae 100644
--- a/server/robotserver/playermgr.cc
+++ b/server/robotserver/playermgr.cc
@@ -32,7 +32,7 @@ void PlayerMgr::Init()
                  account_id_hash_[hum->GetAccountId()] = hum;
                  socket_id_hash_[hum->GetSocketId()] = hum;
                  ++count;
-                 if (count >= 1) {
+                 if (count >= 2000) {
                      f8::Timer::Instance()->DeleteCurrentTimer();
                  }
              }