diff --git a/src/actions/GmAction.lua b/src/actions/GmAction.lua
index b546cda..ff1719e 100644
--- a/src/actions/GmAction.lua
+++ b/src/actions/GmAction.lua
@@ -155,7 +155,7 @@ function _M.idlec(role, pms)
 end
 
 function _M.tower(role, pms)
-	local level = tonum(pms.pm1， 1)
+	local level = tonum(pms.pm1, 1)
 	if not csvdb["tower_battleCsv"][level] then return  "不存在" end
 	role:updateProperty({field = "towerInfo", value = {c = globalCsv.tower_count_limit, l = level}})
 	return "成功"
--
libgit2 0.21.2