diff --git a/server/gameserver/constant.h b/server/gameserver/constant.h
index 6e1fad51..73ae5f79 100755
--- a/server/gameserver/constant.h
+++ b/server/gameserver/constant.h
@@ -157,7 +157,7 @@ enum BuffEffectType_e
     kBET_Hide = 32, //隐身
     kBET_CrazyMode = 33, //暴走模式
     kBET_ShockWave = 34, //冲击波
-    kBET_Sprint = 35, //冲刺
+    //kBET_Sprint = 35, //冲刺
     kBET_SummonObstacle = 36, //召唤物件
 
     kBET_ThroughWall = 50, //穿墙
diff --git a/server/gameserver/creature.cc b/server/gameserver/creature.cc
index d0a92995..40e398b2 100644
--- a/server/gameserver/creature.cc
+++ b/server/gameserver/creature.cc
@@ -665,11 +665,13 @@ void Creature::ProcBuffEffect(Creature* caster, Buff* buff)
             if (skill) {
                 MetaData::SkillPhase* phase = GetCurrSkillPhase();
                 if (phase && phase->time_offset >= skill->GetPassedTime()) {
+                    a8::Vec2 old_move_dir = move_dir;
                     if (HasBuffEffect(kBET_Car)) {
                         _UpdateMove(phase->param1.GetDouble() * 1.5);
                     } else {
                         _UpdateMove(phase->param1);
                     }
+                    move_dir = old_move_dir;
                 }
             }
         }
@@ -844,11 +846,6 @@ void Creature::ProcBuffEffect(Creature* caster, Buff* buff)
     case kBET_Hide:
         {
 
-        }
-        break;
-    case kBET_Sprint:
-        {
-
         }
         break;
     case kBET_SummonObstacle: