diff --git a/server/gameserver/buff/callfunc.cc b/server/gameserver/buff/callfunc.cc
index 42d38a64..22477231 100644
--- a/server/gameserver/buff/callfunc.cc
+++ b/server/gameserver/buff/callfunc.cc
@@ -1450,13 +1450,16 @@ void CallFuncBuff::BatchRandomPosSummonObstacle()
     float x = meta->GetBuffParam4(this);
     float y = meta->GetBuffParam5(this);
     float z = meta->GetBuffParam6(this);
-    float radius = meta->GetBuffParam7(this);
+    float range = meta->GetBuffParam7(this);
     if (!owner->dead || meta->dead_valid() != 0 && num > 0) {
         num = std::max(30, num);
+        glm::vec3 center = glm::vec3(x, y, z);
         for (int i = 0; i < num; ++i) {
+            glm::vec3 out_point = center;
+            owner->room->map_instance->RandPoint(center, range, out_point);
             Obstacle* ob = owner->SummonObstacle(this,
                                                  id,
-                                                 glm::vec3(x, y, z),
+                                                 out_point,
                                                  owner->GetAttackDir());
             if (ob) {
                 std::shared_ptr<std::vector<float>> vars = std::make_shared<std::vector<float>>();