From: @wangshuide2020
Reviewed-by: @liangchenghui,@wuxuejian
Signed-off-by: @liangchenghui

use enter and leave construct

From: @yeyunpeng2020
Reviewed-by: @hangangqiang,@zhanghaibo5
Signed-off-by: @zhanghaibo5

From: @avakh
Reviewed-by: @robingrosman
Signed-off-by:

From: @linqingke
Reviewed-by: @oacjiewen,@c_34
Signed-off-by: @c_34

From: @laiyongqiang
Reviewed-by: @kisnwang,@chujinjin
Signed-off-by: @chujinjin

delete handle

handle

delete handle

fun *

delete head

close handle

From: @liuxiao78
Reviewed-by: @hangangqiang,@zhanghaibo5
Signed-off-by: @hangangqiang,@hangangqiang

From: @liyong126
Reviewed-by: @liucunwei,@liucunwei
Signed-off-by: @liucunwei,@liucunwei

From: @limingqi107
Reviewed-by: @kisnwang,@cristoval
Signed-off-by: @cristoval

From: @probiotics_53
Reviewed-by: @hangangqiang
Signed-off-by:

From: @ouwenchang
Reviewed-by: @wangyue01,@wuxuejian
Signed-off-by: @wuxuejian

From: @jxlang910
Reviewed-by: @zh_qh,@liangchenghui
Signed-off-by: @liangchenghui

From: @xutianchun
Reviewed-by: @HilbertDavid,@zhanghaibo5
Signed-off-by: @HilbertDavid

From: @huangxinjing
Reviewed-by: @yao_yf,@stsuteng,@zhunaipan
Signed-off-by: @stsuteng

From: @zhaojichen
Reviewed-by: 
Signed-off-by:

From: @xu_anyue
Reviewed-by: @hangangqiang,@zhanghaibo5
Signed-off-by: @hangangqiang

From: @caojian05
Reviewed-by: @linqingke,@oacjiewen
Signed-off-by: @linqingke

From: @caojian05
Reviewed-by: @wuxuejian,@linqingke
Signed-off-by: @wuxuejian

From: @zjun3021
Reviewed-by: @chujinjin,@zhoufeng54
Signed-off-by: @chujinjin

From: @kisnwang
Reviewed-by: 
Signed-off-by:

From: @yeyunpeng2020
Reviewed-by: @zhang_xue_tong,@hangangqiang
Signed-off-by: @zhang_xue_tong

From: @lianliguang
Reviewed-by: @chujinjin,@kisnwang
Signed-off-by: @chujinjin

From: @gengdongjie
Reviewed-by: @linqingke,@yingjy,@oacjiewen
Signed-off-by: @linqingke

From: @ziruiwu
Reviewed-by: 
Signed-off-by: