在样式表中增加：
@media screen and (max-device-width: 320px){body{-webkit-text-size-adjust:none}}@media screen and (max-device-width: 480px){body{-webkit-text-size-adjust:none}}@media only screen and (-webkit-min-device-pixel-ratio: 2){body{-webkit-text-size-adjust:none}}@media only screen and (min-device-width: 768px) and (max-device-width: 1024px){body{-webkit-text-size-adjust:none}}