diff --git a/src/actions/RoleAction.lua b/src/actions/RoleAction.lua
index 1db5a3d..1559822 100644
--- a/src/actions/RoleAction.lua
+++ b/src/actions/RoleAction.lua
@@ -332,15 +332,15 @@ function _M.changeNameRpc(agent, data)
 		SendPacket(actionCodes.Role_changeNameRpc, MsgPack.pack({result = 3}))
 		return true
 	end
-
-	local result = redisproxy:setnx(string_format("user:%s", newName), roleId)
+	local dbName = string.upper(newName)
+	local result = redisproxy:setnx(string_format("user:%s", dbName), roleId)
 	if result == 0 then
 		SendPacket(actionCodes.Role_changeNameRpc, MsgPack.pack({result = 1}))
 		return true
 	end
 	redisproxy:pipelining(function (red)
-		red:del(string_format("user:%s", oldName))
-		red:set(string_format("uid:%s", role:getProperty("uid")), newName)
+		red:del(string_format("user:%s", string.upper(oldName)))
+		red:set(string_format("uid:%s", role:getProperty("uid")), dbName)
 	end)
 
 	role:updateProperties({
--
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