#### What this PR does / why we need it?
#### Summary of your change
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#### What this PR does / why we need it?
#### Summary of your change
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#### What this PR does / why we need it?
#### Summary of your change
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#### What this PR does / why we need it?
#### Summary of your change
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#### What this PR does / why we need it?
#1598 监控页面echart资源 组件卸载未释放
#### Summary of your change
优化监控页面echart资源释放
#### Please indicate you've done the following:
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