graph G {
    compound="true"
    rankdir="TB"
    bgcolor="white"
    fontname="Tahoma"

    node [
        fixedsize="false"
        fontname="Tahoma"
        color="white"
        fillcolor="grey"
        fontcolor="black"
        shape="box"
        style="filled"
        penwidth="1.0"
    ]
    edge [
        fontname="Arial"
        color="#00688b"
        fontcolor="black"
        fontsize="12"
        arrowsize="0.5"
        penwidth="1.0"
    ]




    "zhang_jing_cheng@163.com" -- "zixuan.wzx@alibaba-inc.com" [label=" 11 ", penwidth="10", color="#00688bFF"];
    "biezhihua@gmail.com" -- "muhan.zq@antfin.com" [label=" 7 ", penwidth="6", color="#00688bB7"];
    "xdchenyun@sina.com" -- "zhihua.bzh@alibaba-inc.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "biezhihua@gmail.com" -- "101956946+cofbro@users.noreply.github.com" [label=" 1 ", penwidth="1", color="#00688b4C"];
    "biezhihua@gmail.com" -- "zhang_jing_cheng@163.com" [label=" 1 ", penwidth="1", color="#00688b4C"];

}