1. fix clang analyzer report bugs; 2. add clean path for all path; Signed-off-by: haozi007 <liuhao27@huawei.com> (cherry picked from commit 6b34fa1ddd9da97868be920deeef8a515923adb7)
1. bug fix; 2. improve health check; 3. ensure read call for string; Signed-off-by: haozi007 <liuhao27@huawei.com> (cherry picked from commit 240929c0e4cadb3083ac893696da7f9ea6488df6)