var signPackage={"appId":"wx1caa3a36c2571826","nonceStr":"ehOcj15INcvZK9cN","timestamp":1731946234,"url":"m.cengbang.com%2Fchanpin%2Fletu%2Fltmp4.html","signature":"5bce8c73848810f85aab20c97e8cfab39b8aa2a4","rawString":"jsapi_ticket=&noncestr=ehOcj15INcvZK9cN&timestamp=1731946234&url=m.cengbang.com%2Fchanpin%2Fletu%2Fltmp4.html"}