Annie0222

> You need to specify an xAxisIndex. For[ example](https://echarts.apache.org/examples/en/editor.html?code=PYBwLglsB2AEC8sDeAoWszGAGwEbAA8AuZNdWAMwFMBDMAVwCcqTVzyATOmgLSwFtWZdugCeAQQIQAzgEloHKsVgAGADTCRBSTPmLlAcmgwqBzegC-mq5Y3ptU6UPZhRIFrAMBjOlQDmwIyiBnac3CQA2gYAsjAhngAq9KZqngDqVBzxBgkAFvTZAGKMENkAynTl9NAGALpkFqESjpFs5K7uJAYAbjTYyWa2ZG3oHR49fQOh6CDA0hCQMF0lfrlgg7AWtaHSVCVUTrARmiNhYDSRAIwArOqwAEwAzHf39wAsqfeXABypl4_XP5vADsnwAbCptuYMG5xtgINBTNZpqQRLAuOcrioXi97n9frB_qkQakIVC0WMuvDESFoc1dAolCRLtYyPULABuIA) 'none' will do. Thanks for your reply. It do work when xAxisIndex is 'none. But I want to zoom x axis...

> > But I want to zoom x axis as well. > > then you'll need a second X axis and use two grids - [Demo Code](https://echarts.apache.org/examples/en/editor.html?code=MYGwpgZgLgBAvDA5AIwE4HsDuA7RBuAKGFQEsBzAC1gRRAFcx8CAPAQ2fhhgG1EBZdLgA0SACoNEIxAHUwAE0liKdRYgBipVQGVWUbXVwBdAugAOUEoM4BvAl2DoQ6VAC4eoSFBHFyVQ0LsYKHRHZHRmN2sYQK4SB2wtKABPcEiw1DkwVABhR2c3H0ooAF8Ari4IMF06VDBImDldVgAtEIBbSOKYLsDSwODHC1NOsphwMjBsORHAslJpnmtSmCX_QOYAQWYSAGc3bhiVw65GqFY3NmZR8pg5kjkASSmwCJgABmvy9AgIHbAoNwARgArJ8uOxdgAZVjIMAgeoOJyuGAeaDdQ59G62G4nJoXdhg27zJ6ZV6AwkQnbQ2HwlYovLIwpUdE3YqBNZcJJbXb7Q5RY5E-4kl5uD4CynUuEIhkFcBotmsz7YnF3R7PMmE0zoHYkCyCNyIUhFSTi7ZUmFSumI_Ioo3MzHlBUwDkwP6kMB7Hh8gXYVhtOpISGeE04hp4nggj4wABMAGYo9HowAWETRwEADhEgNjoJggKTAHZUwA2N4um7JUwBxAgEjYRgYpU-v3VgBKvj0hNO5wjbwTCejWczedjIkLIlL5fKlertfrIZxmzNwo1Aq5y_VQIx7IIxTwQA) ...it's becoming extra-terrestrial...