页面关闭时关闭数据库 #187

Job	Run time
build env	4s
Build Flutter (apk)	3m 19s
Build Flutter (appbundle)	3m 18s
Build Flutter (web)	1m 29s
Build Flutter (linux)	2m 8s
Build Flutter (windows)	3m 28s
Build Flutter (ios)	4m 49s
Build Flutter (macos)	8m 1s
create release	8s
upload release file (android)	5s
upload release file (android-aab)	5s
upload release file (web)	5s
upload release file (linux)	6s
upload release file (windows)	5s
upload release file (ios)	8s
upload release file (macos)	10s
publish release	6s
	27m 34s

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