diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index 321bb9c..577895f 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -572,6 +572,61 @@ void Human::FindPathInMapService()
         }
     }
     SetPos(old_pos);
+    if (entity_subtype == EST_Player && last_collider && last_collider->type == CT_Aabb) {
+        #if 0
+        AabbCollider* aabb_collider = (AabbCollider*)last_collider;
+        #endif
+        if (GetPos().x > last_collider->owner->GetPos().x) {
+            //在右边
+            if (GetPos().y > last_collider->owner->GetPos().y) {
+                //右上
+                #ifdef DEBUG
+                a8::XPrintf("右上\n", {});
+                #endif
+                if (move_dir.Dot(a8::Vec2(1, -1)) > 0.000002f) {
+                    SetPos(old_pos + a8::Vec2(2, 0));
+                } else {
+                    SetPos(old_pos + a8::Vec2(0, 2));
+                }
+            } else {
+                //右下
+                #ifdef DEBUG
+                a8::XPrintf("右下\n", {});
+                #endif
+                if (move_dir.Dot(a8::Vec2(-1, 1)) > 0.000002f) {
+                    SetPos(old_pos + a8::Vec2(2, 0));
+                } else {
+                    SetPos(old_pos + a8::Vec2(0, -2));
+                }
+            }
+        } else {
+            //左边
+            if (GetPos().y > last_collider->owner->GetPos().y) {
+                //左上
+                #ifdef DEBUG
+                a8::XPrintf("左上\n", {});
+                #endif
+                if (move_dir.Dot(a8::Vec2(-1, -1)) > 0.000001f) {
+                    SetPos(old_pos + a8::Vec2(-2, 0));
+                } else {
+                    SetPos(old_pos + a8::Vec2(0, 2));
+                }
+            } else {
+                //左下
+                #ifdef DEBUG
+                a8::XPrintf("左下\n", {});
+                #endif
+                if (move_dir.Dot(a8::Vec2(1, -1)) > 0.000001f) {
+                    SetPos(old_pos + a8::Vec2(-2, 0));
+                } else {
+                    SetPos(old_pos + a8::Vec2(0, -2));
+                }
+            }
+        }
+    }
+    if (IsCollisionInMapService()) {
+        SetPos(old_pos);
+    }
 }
 
 float Human::GetRadius()
@@ -2789,6 +2844,16 @@ void Human::ProcBuffEffect(Buff* buff)
             }
         }
         break;
+    case kBET_Camouflage:
+        {
+            if (aiming) {
+                aiming = false;
+            }
+            if (action_type != AT_None) {
+                CancelAction();
+            }
+        }
+        break;
     default:
         break;
     }
diff --git a/server/gameserver/player.cc b/server/gameserver/player.cc
index 1d20c70..b5a6c77 100644
--- a/server/gameserver/player.cc
+++ b/server/gameserver/player.cc
@@ -74,9 +74,6 @@ void Player::Update(int delta_time)
         if (use_item) {
             UpdateUseItemIdx();
         }
-        if (has_use_item_id) {
-            UpdateUseItemId();
-        }
         if (action_type != AT_None) {
             UpdateAction();
         }
@@ -103,7 +100,10 @@ void Player::Update(int delta_time)
                 RemoveBuffByEffectId(kBET_Camouflage);
             }
         }
-    }
+        if (has_use_item_id) {
+            UpdateUseItemId();
+        }
+      }
 }
 
 void Player::UpdateMove()
diff --git a/third_party/a8engine b/third_party/a8engine
index 6770f48..a369c48 160000
--- a/third_party/a8engine
+++ b/third_party/a8engine
@@ -1 +1 @@
-Subproject commit 6770f48291d2eefd47d83699e6f7e326697a5843
+Subproject commit a369c484113b240f042c62cba80afd26df91e4ca