diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index 2b32b51..7e2a83c 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -561,7 +561,7 @@ void Human::_UpdateMove(int speed)
 {
     a8::Vec2 pre_node_pos = head_->pos;
     SnakeBodyNode* pre_node = head_;
-    float node_dist = 2 * head_->radius * (1 - meta->p->body_interval());
+    float node_dist = 1 * head_->radius * (1 - meta->p->body_interval());
     {
         a8::Vec2 old_pos = head_->pos;
         head_->pos = head_->pos + move_dir * head_->speed;
@@ -577,7 +577,7 @@ void Human::_UpdateMove(int speed)
             if (std::abs(move_dist) > 0.00001f) {
                 a8::Vec2 dist_dir= dist_vec;
                 dist_dir.Normalize();
-                node->pos = new_pos + dist_dir * (move_dist / dist_vec.Norm());
+                node->pos = new_pos + dist_vec * (move_dist / dist_vec.Norm());
             } else {
                 node->pos = new_pos;
             }
@@ -805,7 +805,7 @@ void Human::CreateSnake()
 
     head_ = new SnakeBodyNode();
     head_->node_id = ++curr_node_id_;
-    head_->speed = meta->p->speed_normal();
+    head_->speed = meta->p->speed_normal() * 3;
     head_->radius = meta->p->init_radius();
     head_->pos = init_pos;
     //head_->dir = meta->p->init_radius();