问题：windows下运行sdkManager.exe总是提示：
Fetching https://dl-ssl.google.com/android/repository/addons_list-1.xml Failed to fetch URL https://dl-ssl.google.[……]
问题：windows下运行sdkManager.exe总是提示：
Fetching https://dl-ssl.google.com/android/repository/addons_list-1.xml Failed to fetch URL https://dl-ssl.google.[……]