增加3秒云服务器连接检测，连不上服务器的时候不刷新数据

wxr

2024-04-12 a155c6ce1911e995d136f08b409dd0861706a3f8

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<?xml version="1.0" encoding="UTF-8"?> 
<project version="4"> 
  <component name="CompilerConfiguration"> 
    <bytecodeTargetLevel target="1.8" /> 
  </component> 
</project>