diff --git a/server/gameserver/netdata.cc b/server/gameserver/netdata.cc
index a4013825..d63009f5 100644
--- a/server/gameserver/netdata.cc
+++ b/server/gameserver/netdata.cc
@@ -650,11 +650,20 @@ float BattleDataContext::CalcDmg(Creature* target, IBullet* bullet)
     if (buff) {
         DistanceDmgAdditionBuff* spec_buff = (DistanceDmgAdditionBuff*)buff;
         float distance = owner_.Get()->GetPos().Distance2D2(target->GetPos());
-        if (spec_buff->distance > 0.0f) {
-            dmg_addition += std::max(10.0f, distance / spec_buff->distance) * spec_buff->add;
+        if (distance > spec_buff->distance && spec_buff->distance > 0.00001f) {
+            dmg_addition += std::max(10.0f, (distance / spec_buff->distance) * spec_buff->add);
         } else {
             dmg_addition += spec_buff->min_add;
         }
+#ifdef DEBUG
+        if (owner_.Get() && owner_.Get()->IsPlayer()) {
+            owner_.Get()->SendDebugMsg(a8::Format("兔子被动 distance:%f dmg_addition:%f",
+                                                  {
+                                                      distance,
+                                                          dmg_addition
+                                                  }));
+        }
+#endif
     }
     dmg_addition += owner_.Get()->GetAbility()->GetAttrAddition(kHVAT_Dmg);
     finaly_dmg *= (1 + dmg_addition); //连加