zh: PortingStatus: Update the touch status of Cepheus

* Fix MultiTouch issues.
* Enable low-power mode when closing the screen.

Author: qaz6750

zh/PortingStatus/PortingStatus.md

@@ -48,7 +48,7 @@
 | 三星 Galaxy Tab S6       |   gts6l    |  ✅  | ❌ |  ❌  |  ✅ |  ⚠️ | ❌ | ❌  |  ❌  |   ❌   |  ❌  |  ❔  |  ❔  |  ❌  |
 | 三星 Galaxy Tab S6 WIFI  | gts6lwifi  |  ✅  | ⚠️ |  ❌  |  ✅ |  ⚠️ | ❌ | ❌  |  ❌  |   ❌   |  ❌  |  ❔  |  ❌  |  ❌  |
 | 坚果 Pro                 |   aries    |  ❔  | ❔ |  ❔  |  ❔ |  ❔ | ❔ | ❔  |  ❔  |   ❔   |  ❌  |  ❔  |  ❔  |  ❌  |
-| 小米 9                   |  cepheus   |  ❎  | ⚠️ |  ✅  |  ✅ |  ⚠️ | ✅ | ✅  |  ✅  |   ✅   |  ✅  |  ✅  |  ✅  |  ❌  |
+| 小米 9                   |  cepheus   |  ❎  | ⚠️ |  ✅  |  ✅ |  ✅ | ✅ | ✅  |  ✅  |   ✅   |  ✅  |  ✅  |  ✅  |  ❌  |
 | 小米 Hercules            |  hercules  |  ❎  | ⚠️ |  ❔  |  ❔ |  ❔ | ❔ | ❔  |  ❔  |   ❔   |  ❔  |  ❔  |  ❔  |  ❌  |
 | 红米 K20 Pro             |  raphael   |  ❎  | ⚠️ |  ✅  |  ✅ |  ⚠️ | ✅ | ✅  |  ✅  |   ✅   |  ✅  |  ✅  |  ✅  |  ❌  |
 | 小米 Mix3 5G             | andromeda  |  ❎  | ⚠️ |  ✅  |  ✅ |  ⚠️ | ✅ | ✅  |  ✅  |   ⚠️   |  ❌  |  ✅  |  ❔  |  ❌  |