打开eclipse
1. Window ===> Preferences ===> General ===> Workspace
2. 勾选 1> Refresh using native hooks or polling 2> Refresh on access(一般默认会勾选)
1. Window ===> Preferences ===> General ===> Workspace
2. 勾选 1> Refresh using native hooks or polling 2> Refresh on access(一般默认会勾选)