diff --git a/src/actions/AdvAction.lua b/src/actions/AdvAction.lua
index 675c4b1..2c24597 100644
--- a/src/actions/AdvAction.lua
+++ b/src/actions/AdvAction.lua
@@ -454,13 +454,13 @@ function _M.chooseArtifactRpc(agent, data)
 	local role = agent.role
 	local msg = MsgPack.unpack(data)
 
-	if not isCanContinue(role) then return end
+	if not isCanContinue(role) then return 1 end
 
 	local adv = role:getAdvData()
-	if not msg.idx then return end
-	if not adv:isWaitChooseArtifact() then return end
+	if not msg.idx then return 2 end
+	if not adv:isWaitChooseArtifact() then return 3 end
 	local status = adv:chooseArtifact(msg.idx)
-	if not status then return end
+	if not status then return 4 end
 	adv:saveDB()
 	
 	SendPacket(actionCodes.Adv_chooseArtifactRpc, '')
--
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