diff --git a/server/gameserver/shot.cc b/server/gameserver/shot.cc
index 29ad433d..872bbd82 100644
--- a/server/gameserver/shot.cc
+++ b/server/gameserver/shot.cc
@@ -157,7 +157,7 @@ static void InternalCreateBullet(BulletInfo& bullet_info)
             }
         }
         if (c->IsCar() && c->AsCar()->IsSingle()) {
-            a8::Vec2 bullet_born_offset;
+            glm::vec3 bullet_born_offset;
             bool is_player = c->IsPlayer();
             bool is_car = c->IsCar();
             float bullet_born_angle = GlmHelper::CalcAngle(c->GetAttackDir(), GlmHelper::RIGHT);
@@ -165,7 +165,7 @@ static void InternalCreateBullet(BulletInfo& bullet_info)
                 bullet_born_angle = -bullet_born_angle;
             }
             float old_bullet_born_angle = bullet_born_angle;
-            bullet_born_offset.Rotate(bullet_born_angle);
+            GlmHelper::RotateY(bullet_born_offset, bullet_born_angle);
 
             auto transform = glm::rotate(hero_transform,
                                          bullet_born_angle * A8_PI,
@@ -178,8 +178,8 @@ static void InternalCreateBullet(BulletInfo& bullet_info)
                                   bullet_info.bullet_idx,
                                   bullet_info.bullet_num);
             glm::vec4 v = transform * gun_muzzle_position;
-            bullet_born_offset = a8::Vec2(v.z *10*1, v.x*10*-1);
-            bullet_info.bullet_born_pos.FromVec2(c->GetPos().ToVec2() + bullet_born_offset);
+            bullet_born_offset = glm::vec3(v.z *10*1, 0.0f, v.x*10*-1);
+            bullet_info.bullet_born_pos.FromGlmVec3(c->GetPos().ToGlmVec3() + bullet_born_offset);
             bullet_info.bullet_dir = c->GetShotDir();
         }
         int bullet_uniid = 0;
diff --git a/server/gameserver/skill.cc b/server/gameserver/skill.cc
index 75b419d2..16ceea8f 100644
--- a/server/gameserver/skill.cc
+++ b/server/gameserver/skill.cc
@@ -524,12 +524,9 @@ void Skill::ProcSWZB()
                               glm::vec3 dir = sender.Get()->GetAttackDir();
                               if (!GlmHelper::IsZero(dir)) {
                                   // 999
-                                  #if 1
-                                  #else
-                                  a8::Vec2 target_pos = c->GetPos() +
-                                      dir * SkillHelper::GetSwzbPullDistance(skill_meta);
+                                  glm::vec3 target_pos = c->GetPos().ToGlmVec3() +
+                                      dir * (float)(SkillHelper::GetSwzbPullDistance(skill_meta));
                                   c->PullTarget(target_pos);
-                                  #endif
                               }
                               int buff_id = SkillHelper::GetSwzbBuffId(skill_meta);
                               float buff_time = SkillHelper::GetSwzbBuffTime(skill_meta);