always exhaust layer commands, fix #4682
always exhaust layer commands, fix #4682

mitmproxy/mitmproxy,mitmproxy/mitmproxy,Kriechi/mitmproxy,mhils/mitmproxy,Kriechi/mitmproxy,mhils/mitmproxy,mitmproxy/mitmproxy,mhils/mitmproxy,Kriechi/mitmproxy,mitmproxy/mitmproxy,mhils/mitmproxy,mhils/mitmproxy,mitmproxy/mitmproxy,Kriechi/mitmproxy