1.新增eab列表

2.申请证书新增http代理、新增ca选择（zerossl、google）、新增证书算法选择
3.修复数据库连接内存泄漏

backend/internal/overview/overview.go

@@ -12,7 +12,6 @@ func GetWorkflowCount() (map[string]any, error) {
 	if err != nil {
 		return nil, err
 	}
-	s.Connect()
 	defer s.Close()
 	workflow, err := s.Query(`select count(*) as count,
        count(case when exec_type='auto' then 1 end ) as active,
@@ -71,7 +70,6 @@ func GetSiteMonitorCount() (map[string]any, error) {
 	if err != nil {
 		return nil, err
 	}
-	s.Connect()
 	defer s.Close()
 	cert, err := s.Query(`select count(*) as count,
 	   count(case when state='异常' then 1 end ) as exception