diff --git a/server/gameserver/creature.cc b/server/gameserver/creature.cc
index 93916a1..d9caf03 100644
--- a/server/gameserver/creature.cc
+++ b/server/gameserver/creature.cc
@@ -1449,7 +1449,7 @@ Weapon* Creature::ChooseNextWeapon(int curr_weapon_slot_id, int begin_slot_id, i
         abort();
     }
     Weapon* next_weapon = nullptr;
-    for (int i = 1; i <= (end_slot_id - begin_slot_id); ++i) {
+    for (int i = 1; i <= (end_slot_id - begin_slot_id + 1); ++i) {
         int slot_id = begin_slot_id +
             (i + curr_weapon_slot_id - begin_slot_id) % (end_slot_id - begin_slot_id + 1);
         int idx = -1;
diff --git a/server/gameserver/global.cc b/server/gameserver/global.cc
index 3131b8e..cc9682e 100755
--- a/server/gameserver/global.cc
+++ b/server/gameserver/global.cc
@@ -39,7 +39,7 @@ bool IsValidSlotId(int slot_id)
 
 bool IsValidBuffEffect(int buff_effect)
 {
-    return buff_effect > kBET_Begin && buff_effect < kBET_End;
+    return buff_effect > kBET_Begin && buff_effect < (kBET_End + 10);
 }
 
 bool IsValidHumanAttr(int attr_type)
diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index 1f6efad..a1e91db 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -119,6 +119,7 @@ void Human::FillMFObjectPart(Room* room, Human* hum, cs::MFObjectPart* part_data
     part_data->set_object_type(ET_Player);
     cs::MFPlayerPart* p = part_data->mutable_union_obj_1();
     p->set_obj_uniid(GetEntityUniId());
+    p->set_speed(GetSpeed() * SERVER_FRAME_RATE);
     TypeConvert::ToPb(GetPos(), p->mutable_pos());
     TypeConvert::ToPb(attack_dir, p->mutable_dir());
 }
@@ -162,6 +163,7 @@ void Human::FillMFObjectFull(Room* room, Human* hum, cs::MFObjectFull* full_data
     p->set_disconnected(disconnected);
     p->set_anim_type(anim_type);
     p->set_anim_seq(anim_seq);
+    p->set_speed(GetSpeed() * SERVER_FRAME_RATE);
     for (auto itr : skins) {
         auto skin = p->add_skin();
         itr.ToPB(skin);
diff --git a/server/gameserver/human.h b/server/gameserver/human.h
index 398f4c1..32918b3 100644
--- a/server/gameserver/human.h
+++ b/server/gameserver/human.h
@@ -354,6 +354,7 @@ private:
 
     Entity* last_collision_door_ = nullptr;
     long long jump_frameno_ = 0;
+    float old_sync_speed = 0;
 
     friend class FrameMaker;
     friend class FrameEvent;
diff --git a/server/tools/protobuild/cs_proto.proto b/server/tools/protobuild/cs_proto.proto
index b502753..967bb13 100755
--- a/server/tools/protobuild/cs_proto.proto
+++ b/server/tools/protobuild/cs_proto.proto
@@ -191,6 +191,7 @@ message MFPlayerPart
     optional int32 obj_uniid = 1; //唯一id
     optional MFVec2 pos = 2; //位置
     optional MFVec2 dir = 3; //朝向
+    optional float speed = 4; //速度
 }
 
 //玩家信息-全量
@@ -241,6 +242,7 @@ message MFPlayerFull
 
     //一下字段只有僵尸模式才有效
     optional int32 charid = 44; //人物id
+    optional float speed = 45; //速度
 
     optional string user_data = 60 [default = ""]; //用户自定义数据
 }