diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index c0338e6..28b4410 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -61,8 +61,14 @@ int Room::AliveCount()
 
 void Room::AddPlayer(Player* hum)
 {
-    hum->pos.x = 100 + rand() % 100;
-    hum->pos.y = 200 + rand() % 200;
+    {
+        hum->pos.x = 100 + rand() % 100;
+        hum->pos.y = 200 + rand() % 200;
+        hum->attack_dir = hum->pos;
+        hum->attack_dir.Normalize();
+        float angle = ((float)rand() / RAND_MAX) * 2.0f;
+        hum->attack_dir.Rotate(angle);
+    }
     hum->room = this;
     uniid_hash_[hum->entity_uniid] = hum;
     moveable_hash_[hum->entity_uniid] = hum;
@@ -97,8 +103,14 @@ void Room::ShuaAndroid()
         hum->name = a8::Format("机器人%d", {i+1});
         hum->meta = hum_meta;
         hum->entity_uniid = AllocUniid();
-        hum->pos.x = 100 + rand() % 400;
-        hum->pos.y = 200 + rand() % 500;
+        {
+            hum->pos.x = 100 + rand() % 400;
+            hum->pos.y = 200 + rand() % 500;
+            hum->attack_dir = hum->pos;
+            hum->attack_dir.Normalize();
+            float angle = ((float)rand() / RAND_MAX) * 2.0f;
+            hum->attack_dir.Rotate(angle);
+        }
         hum->room = this;
         hum->Initialize();
         uniid_hash_[hum->entity_uniid] = hum;