我编译时提示： Warning: FLEXlm software error: Invalid (inconsistent) license key The license-key and data for the feature do not match. This usually happens when a license file has been altered Feature: quartus License path: E:\altera\license.dat FLEXlm error: -8,523 For further information, refer to the FLEXlm End User Manual, available at "www.macrovision.com". 请问咋个解决 | 
