menu in class

hi
i use the “class” to write a function,code is below
function DailyTask:createAcceptTask(taskInfo)
***
local item = CCMenuItemImage:create(“images/module/hero/hero_bg_normal.png”,“images/module/hero/header_select_85.png”)
item:setPosition(ccp(55 + (i-1)*95,135))
item:registerScriptTapHandler(self.selectTask)
iconMenu:addChild(item)

end

function DailyTask:selectTask(…)
local tagTable = {…}
print(“the tag is”)
util.print_t(tagTable)
— local tag = tagTable[1]
— print(“selectTask is ok”…tag)

— util.print_t(tagTable)
print(“the tag is”…tag)

end
i find the tagtable only return one data,is the item ,and the item.tag is missing.
i dont know why ,i am very surprised,can some one help me