diff --git a/server/gameserver/netdata.cc b/server/gameserver/netdata.cc
index 9a2ba6ad..f8210df9 100644
--- a/server/gameserver/netdata.cc
+++ b/server/gameserver/netdata.cc
@@ -642,11 +642,16 @@ float BattleDataContext::CalcDmg(Creature* target, IBullet* bullet)
         normal_dmg *= 1.5;
     }
     float finaly_dmg = normal_dmg;
-    float dmg_addition = owner_.Get()->GetAbility()->GetAttrAddition(kHVAT_Dmg);
+    float dmg_addition = 0.0f;
     Buff* buff = owner_.Get()->GetBuffByEffectId(kBET_DistanceDmgAddition);
     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;
+        } else {
+            dmg_addition += spec_buff->min_add;
+        }
     }
     dmg_addition += owner_.Get()->GetAbility()->GetAttrAddition(kHVAT_Dmg);
     finaly_dmg *= (1 + dmg_addition); //连加