diff --git a/src/actions/RoleAction.lua b/src/actions/RoleAction.lua
index cace97a..a635fab 100644
--- a/src/actions/RoleAction.lua
+++ b/src/actions/RoleAction.lua
@@ -1407,20 +1407,29 @@ function _M.diamondConvertRpc(agent, data)
 	if role:getAllDiamond() < cost then return 2 end
 
 	local get = globalCsv.legal_tender_cost * cost
-	role:costDiamond({count = cost, log = {desc = "convert", int1 = ItemId.Jade, int2 = get}})
+	role:costDiamond({count = cost, log = {desc = "convert", int1 = oper, int2 = get}})
 	local reward, change
 	if oper == 1 then -- 钻石兑换成虹光玉
 		reward, change = role:award({[ItemId.Jade] = get}, {log = {desc = "convert"}})
 	elseif oper == 2 then -- 钻石兑换成虹光玉再兑换成招募券
-		local allReward = {[ItemId.Jade] = get}
+		local old = role:getItemCount(ItemId.Jade)
+		get = old + get
+
 		local quan = math.floor(get/globalCsv.recruit_cost)
-		allReward[ItemId.Jade] = allReward[ItemId.Jade] - quan * globalCsv.recruit_cost
-		if allReward[ItemId.Jade] == 0 then
-			allReward[ItemId.Jade] = nil
+		local remain = get - quan * globalCsv.recruit_cost
+
+		local allReward = {}
+		if remain > old then
+			allReward[ItemId.Jade] = remain - old
+		elseif remain == old then
+		else
+			role:costItems({[ItemId.Jade] = old - remain}, {log = {desc = "convert"}})
 		end
+
 		if quan > 0 then
 			allReward[ItemId.RecruitmentCard] = quan
 		end
+
 		reward, change = role:award(allReward, {log = {desc = "convert"}})
 	end
 
--
libgit2 0.21.2