diff --git a/src/actions/ActivityAction.lua b/src/actions/ActivityAction.lua
index 1464f12..de38f16 100644
--- a/src/actions/ActivityAction.lua
+++ b/src/actions/ActivityAction.lua
@@ -670,7 +670,7 @@ function _M.endBattleRpc(agent, data)
 	actData[id] = battleInfo
 	role.activity:updateActData("ChallengeLevel", actData)
 
-	if oldStarNum == 0 or battleCfg.rank ~= 0 then
+	if (oldStarNum == 0 and newStarNum > 0) or battleCfg.rank ~= 0 then
 		reward = battleCfg.item_clear:toNumMap()
 	end
 	if (oldStarNum < 3 and newStarNum == 3) or (battleCfg.rank ~= 0 and newStarNum == 3) then
--
libgit2 0.21.2