IDEA 解决代码提示功能消失

原文地址：https://github.com/Damao/Intellij-IDEA-F2E/blob/master/FAQ/%E9%97%AE%E9%A2%98%E9%9B%86%E5%90%88/JavaWeb%E9%A1%B9%E7%9B%AE/%E8%A7%A3%E5%86%B3%E4%BB%A3%E7%A0%81%E6%8F%90%E7%A4%BA%E5%8A%9F%E8%83%BD%

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