天气预报怎么修复

d.push({title:' 天气 ', col_type:'text_1'});var bm = []; var json = fetch('http://api.jirengu.com/getWeather.php?city=', {}); eval('bm=' + json); var r = {}; for (var i = 0; i < bm.results.length; i++) {var j = bm.results[i]; var j2=j.weather_data[0]; r.title = '当前位置:'+j.currentCity+''+j2.date+' '+'\n'+'\n'+'pm2.5:'+j.pm25+' '+j2.weather+' '+j2.wind+' '+j2.temperature; r.col_type ='text_1'; if (r.title !== null && r.title !== undefined && r.title !=='') d.push(r); }