diff --git a/server/gameserver/CMakeLists.txt b/server/gameserver/CMakeLists.txt
index 7d45a86a..b1851ba8 100644
--- a/server/gameserver/CMakeLists.txt
+++ b/server/gameserver/CMakeLists.txt
@@ -31,9 +31,9 @@ include_directories(
   /usr/include/glm
   ../../third_party
   ../../third_party/behaviac/inc
-  ../../third_party/recastnavigation/Recast/Include
-  ../../third_party/recastnavigation/Detour/Include
-  ../../third_party/recastnavigation/DetourTileCache/Include
+  ../../third_party/recastnavigation_v1.6.0/Recast/Include
+  ../../third_party/recastnavigation_v1.6.0/Detour/Include
+  ../../third_party/recastnavigation_v1.6.0/DetourTileCache/Include
   behaviac_generated/types
   behaviac_generated/types/internal
   .
@@ -53,15 +53,15 @@ aux_source_directory(../../third_party/f8/f8
   SRC_LIST
 )
 
-aux_source_directory(../../third_party/recastnavigation/Recast/Source
+aux_source_directory(../../third_party/recastnavigation_v1.6.0/Recast/Source
   SRC_LIST
 )
 
-aux_source_directory(../../third_party/recastnavigation/Detour/Source
+aux_source_directory(../../third_party/recastnavigation_v1.6.0/Detour/Source
   SRC_LIST
 )
 
-aux_source_directory(../../third_party/recastnavigation/DetourTileCache/Source
+aux_source_directory(../../third_party/recastnavigation_v1.6.0/DetourTileCache/Source
   SRC_LIST
 )
 
diff --git a/server/gameserver/buff/callfunc.cc b/server/gameserver/buff/callfunc.cc
index 32b314b1..d9369aa5 100644
--- a/server/gameserver/buff/callfunc.cc
+++ b/server/gameserver/buff/callfunc.cc
@@ -998,6 +998,9 @@ void CallFuncBuff::ClearSummonHero()
 {
     int hero_id = meta->_int_buff_param2;
     float hero_num = meta->GetBuffParam3(this);
+    if (hero_id == 9011) {
+        a8::XPrintf("ClearSummonHero 9011\n", {});
+    }
     owner->RemoveSurplusHero(hero_id, hero_num);
 }
 
diff --git a/server/gameserver/hero.cc b/server/gameserver/hero.cc
index 361d02b3..1090be11 100644
--- a/server/gameserver/hero.cc
+++ b/server/gameserver/hero.cc
@@ -32,6 +32,10 @@
 #include "mt/Map.h"
 #include "mt/MobaRoom.h"
 
+#define BOOST_STACKTRACE_USE_ADDR2LINE
+#include <boost/stacktrace.hpp>
+#include <iostream>
+
 Hero::Hero():Creature()
 {
     ++PerfMonitor::Instance()->entity_num[ET_Hero];
@@ -44,6 +48,11 @@ Hero::Hero():Creature()
 
 Hero::~Hero()
 {
+    if (GetHeroMeta()->id() == 9011) {
+        a8::XPrintf("DestoryHero 9011\n", {});
+        std::cout << boost::stacktrace::stacktrace();
+        int i = 0;
+    }
     SetDestorying();
     DetachFromMaster();
     if (agent_) {
diff --git a/server/gameserver/mapinstance.cc b/server/gameserver/mapinstance.cc
index 3bb9fab0..c5989915 100644
--- a/server/gameserver/mapinstance.cc
+++ b/server/gameserver/mapinstance.cc
@@ -481,7 +481,11 @@ bool MapInstance::Raycast(const glm::vec3& start, const glm::vec3& end,
     float t = 0;
     int npolys;
     memset(hit_normal_, 0, sizeof(hit_normal_));
+#if 1
+    status = navmesh_query_->newRaycast(666, startRef, spos, epos, &filter, &t, hit_normal_, polys_, &npolys, MAX_POLYS);
+#else
     status = navmesh_query_->raycast(startRef, spos, epos, &filter, &t, hit_normal_, polys_, &npolys, MAX_POLYS);
+#endif
     if (!dtStatusSucceed(status)) {
         #ifdef MYDEBUG
         abort();
@@ -773,7 +777,11 @@ bool MapInstance::RaycastEx(const glm::vec3& start, const glm::vec3& end,
     float t = 0;
     int npolys;
     memset(hit_normal_, 0, sizeof(hit_normal_));
+#if 1
+    status = navmesh_query_->newRaycast(666, startRef, spos, epos, &filter, &t, hit_normal_, polys_, &npolys, MAX_POLYS);
+#else
     status = navmesh_query_->raycast(startRef, spos, epos, &filter, &t, hit_normal_, polys_, &npolys, MAX_POLYS);
+#endif
     if (!dtStatusSucceed(status)) {
         #ifdef MYDEBUG
         abort();
diff --git a/server/gameserver/movement.cc b/server/gameserver/movement.cc
index 96a656e8..127e9c4c 100644
--- a/server/gameserver/movement.cc
+++ b/server/gameserver/movement.cc
@@ -124,6 +124,17 @@ void Movement::CalcTargetPos(float distance)
         glm::vec3 hit_point;
         owner_->room->map_instance->Scale(start);
         owner_->room->map_instance->Scale(end);
+        #if 0
+        if (owner_->IsPlayer()) {
+            start.x = 302.209595;
+            start.y = 6.18993711;
+            start.z = 49.6232567;
+
+            end.x = 308.426758;
+            end.y = 6.18993711;
+            end.z = 44.5886955;
+        }
+        #endif
         bool ret = owner_->room->map_instance->RaycastEx(start, end, hit_point, hit_result,
                                                          point.same_polys_flags, point.spec_polys, exclude_flags);
         if (ret) {
diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index dca4ef34..592d7698 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -897,6 +897,10 @@ Hero* Room::CreateHero(Creature* master,
                        int team_id,
                        int obj_uniid)
 {
+    if (meta->id() == 9011) {
+        a8::XPrintf("CreateHero 9011\n", {});
+        int i = 0;
+    }
     if (obj_uniid > 0) {
         if (GetEntityByUniId(obj_uniid)) {
             abort();
diff --git a/server/robotserver/playermgr.cc b/server/robotserver/playermgr.cc
index f22e6757..8dafe98f 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 >= 3) {
+                 if (count >= 300) {
                      f8::Timer::Instance()->DeleteCurrentTimer();
                  }
              }