graph TD 0((START
开始))-->2{{IS_PAY
是否支付}} 2-->|"next == 'yes'"| 6{{PAY_DONE
支付完成}} 2-->|"next == 'no'"| SOWAIT_PAY[WAIT_PAY
等待支付] 6-->|"so.switch == 1"| SOSWITCH_1[SWITCH_1
switch1] 6-->|"so.switch == 2"| SOSWITCH_2[SWITCH_2
switch2] 6-->|"so.switch == 3"| SOSWITCH_3[SWITCH_3
switch3] 6-->SOSWITCH_DEFAULT[SWITCH_DEFAULT
switch_default] style 0 fill:#fff,stroke:#333,stroke-width:4px,color:#333 style SOWAIT_PAY fill:#999,stroke:#bbb,stroke-width:4px,color:#fff style SOSWITCH_1 fill:#999,stroke:#bbb,stroke-width:4px,color:#fff style SOSWITCH_2 fill:#999,stroke:#bbb,stroke-width:4px,color:#fff style SOSWITCH_3 fill:#999,stroke:#bbb,stroke-width:4px,color:#fff style SOSWITCH_DEFAULT fill:#999,stroke:#bbb,stroke-width:4px,color:#fff