@startuml 系統流程

start
:資料匯入;
:點貨面單;
:袋進倉;
:進站;
repeat
if(配送) then (yes)
    if(簽收) then (yes)
        #palegreen:簽收完成;
        stop
    else
        :退貨;
        #palegreen:入庫;
        detach
        :二次出貨;
        :撿貨;
        :出庫;
    endif   
else (no)
    if(出站) then (yes)
        #palegreen:下一站;
        end
    else (no)
        :入庫;
        :上架;
    endif
    if(出貨) then (yes)
        :撿貨;
        :出庫;
    else (no)
        if(下架) then (yes)
            end
        endif
    endif
endif

backward :未完成配送;
repeat while ()


@enduml