请问：我调用微信API获取页面二维码报错，是什么原因？

 "errcode": 40159,

  "errmsg": "param path length invalid hint: [Ouxria0111vr19]"

请求代码：

POST请求

    https://api.weixin.qq.com/cgi-bin/wxaapp/createwxaqrcode?access_token=RcCQixtM-FU1ulw4UFGSQ8UE9rIqKfI8I5mflQmZWadGv-WA5g_CJoNJr3HA6sY36IYHS_IBky_a4HusxrgbWt1h1CQkIUHWuSf5g_ZbWnR520ceCFNEOtp3wb1b7d3_ZZIdAEAOOX

参数： {'path':'/pages/main/first?query=12344','width':'430'}