问上传媒体文件后，无法在角度2中播放该文件，显示404未找到

EN

//This is my node js code

socket.on('Upload', function (data){
    var Name = data['Name'];
    Files[Name]['Downloaded'] += data['Data'].length;
    Files[Name]['Data'] += data['Data'];
    if(Files[Name]['Downloaded'] == Files[Name]['FileSize']) //If File is Fully Uploaded
    {
        fs.write(Files[Name]['Handler'], Files[Name]['Data'], null, 'Binary', function(err, Writen){
           var inp = fs.createReadStream("./src/assets/temp/" + Name);
           var out = fs.createWriteStream("./src/assets/mediauploads/" + Name);

          inp.pipe(out);
                  inp.on("end", function() {
                      var path="./src/assets/temp/" + Name;
                      var tempFile = fs.openSync(path, 'r');
                      if(fs.existsSync(path)){
                      fs.closeSync(tempFile);
                       fs.unlinkSync(path);
                       socket.emit('Done', {'Image' : './src/assets/mediauploads/' + Name});
                      }

                  });
        });
    }
    else if(Files[Name]['Data'].length > 10485760){ //If the Data Buffer reaches 10MB
        fs.write(Files[Name]['Handler'], Files[Name]['Data'], null, 'Binary', function(err, Writen){
            Files[Name]['Data'] = ""; //Reset The Buffer
            var Place = Files[Name]['Downloaded'] / 524288;
            var Percent = (Files[Name]['Downloaded'] / Files[Name]['FileSize']) * 100;
            socket.emit('MoreData', { 'Place' : Place, 'Percent' :  Percent});
        });
    }
    else
    {
        var Place = Files[Name]['Downloaded'] / 524288;
        var Percent = (Files[Name]['Downloaded'] / Files[Name]['FileSize']) * 100;
        socket.emit('MoreData', { 'Place' : Place, 'Percent' :  Percent});
    }
});