diff --git a/server/gameserver/player.cc b/server/gameserver/player.cc
index 8941e997..29f9c132 100644
--- a/server/gameserver/player.cc
+++ b/server/gameserver/player.cc
@@ -764,16 +764,16 @@ void Player::_CMMove(f8::MsgHdr& hdr, const cs::CMMove& msg)
         if (std::abs(msg.move_dir().x()) > FLT_EPSILON ||
             std::abs(msg.move_dir().y()) > FLT_EPSILON
             ) {
-            #if 0
-            a8::Vec2 old_move_dir;
-            a8::Vec2 new_move_dir;
+            glm::vec3 old_move_dir;
+            glm::vec3 new_move_dir;
             TypeConvert::FromPb(new_move_dir, &msg.move_dir());
             if (!HasBuffEffect(kBET_Vertigo)) {
                 if (!(HasBuffEffect(kBET_Jump) && follow_target.Get())) {
                     if (GetDisableMoveDirTimes() <= 0) {
-                        new_move_dir.Normalize();
+                        GlmHelper::Normalize(new_move_dir);
                         if (std::fabs(new_move_dir.x - GetMoveDir().x) > 0.00001f ||
-                            std::fabs(new_move_dir.y - GetMoveDir().y) > 0.00001f) {
+                            std::fabs(new_move_dir.y - GetMoveDir().y) > 0.00001f ||
+                            std::fabs(new_move_dir.z - GetMoveDir().z) > 0.00001f) {
                             SetMoveDir(new_move_dir);
                             GetMoveHelper()->CalcTargetPos(500);
                         }
@@ -781,7 +781,6 @@ void Player::_CMMove(f8::MsgHdr& hdr, const cs::CMMove& msg)
                     }
                 }
             }
-            #endif
         }
     }
     assert(!isnan(GetMoveDir().x) && !isnan(GetMoveDir().y));
diff --git a/server/gameserver/typeconvert.cc b/server/gameserver/typeconvert.cc
index 56cc65d4..f5d4252b 100644
--- a/server/gameserver/typeconvert.cc
+++ b/server/gameserver/typeconvert.cc
@@ -82,6 +82,13 @@ namespace TypeConvert
         v.z = pb_obj->z();
     }
 
+    void FromPb(glm::vec3& v, const cs::MFVec3* pb_obj)
+    {
+        v.x = pb_obj->x();
+        v.y = pb_obj->y();
+        v.z = pb_obj->z();
+    }
+
     void ToPb(const OverReward& v, cs::MFOverReward* pb_obj)
     {
         pb_obj->mutable_hero()->set_id(v.hero.id);
diff --git a/server/gameserver/typeconvert.h b/server/gameserver/typeconvert.h
index d25a814f..4c0adb40 100644
--- a/server/gameserver/typeconvert.h
+++ b/server/gameserver/typeconvert.h
@@ -18,6 +18,7 @@ namespace TypeConvert
     void ToPb(const glm::vec3& v, cs::MFVec3* pb_obj);
     void FromPb(a8::Vec2& v, const cs::MFVec2* pb_obj);
     void FromPb(a8::Vec2& v, const cs::MFVec3* pb_obj);
+    void FromPb(glm::vec3& v, const cs::MFVec3* pb_obj);
 
     void ToPb(const a8::Vec3& v, cs::MFVec3* pb_obj);
     void FromPb(a8::Vec3& v, const cs::MFVec3* pb_obj);