问程序报错，百度找了一天，不知什么原因？

GUI页面
from tkinter import *
from jing_cai import JingCaii


class Guijc(JingCaii):

    window = Tk()  # 创建窗口对象的背景色
    w = window.geometry('500x300')  
    lbfangan = Label(window, text='aaa:', anchor='c').grid(row=0)
    Enfangan = Entry(window)
    Enfangan.grid(row=0, column=1)

    lbjine = Label(window, text='bb:', anchor='c').grid(row=1)
    Enjine = Entry(window)
    Enjine.grid(row=1, column=1)

    lbpeilv = Label(window, text='dd:', anchor='c').grid(row=2)
    Enpeilv = Entry(window)
    Enpeilv.grid(row=2, column=1)

    lbjiangjin = Label(window, text='ee:', anchor='c').grid(row=3)
    Enjiangjin = Entry(window)
    Enjiangjin.grid(row=3, column=1)

    lbifzhongjiang = Label(window, text='ff:', anchor='c').grid(row=4)
    Enifzhongjiang = Entry(window)
    Enifzhongjiang.grid(row=4, column=1)

    lbyinglizonge = Label(window, text='gg:', anchor='c').grid(row=5)
    Enyinglizonge = Entry(window)
    Enyinglizonge.grid(row=5, column=1)

    def inputPlan(self):

        enfangan = self.Enfangan.get()
        enjinge = self.Enjine.get()
        enpeilv = self.Enpeilv.get()
        enjiangjin = self.Enjiangjin.get()
        enifzhongjiang = self.Enifzhongjiang.get()
        enyinglizonge = self.Enyinglizonge.get()
        jc = JingCaii().plan(enfangan, enjinge, enpeilv, enjiangjin, enifzhongjiang, enyinglizonge)

    Button(window, text='确定', anchor='c', width=6, height=1, command=inputPlan).grid(row=6, column=1)
    window.mainloop() 
    
    JingCaii页面
    
    
    class JingCaii:

    jcd = jingcai_data

    # def __init__(self):
    #     #     self


    def plan(self,fangan, jine, peilv, jiangjin, ifzhongjiang, yinglizonge):
        
        self.jcd.add_plandata(fangan, jine, peilv, jiangjin, ifzhongjiang, yinglizonge)