用Mu编辑器做游戏加载不出指定图片

Question

有大佬对Mu编辑器熟悉的吗，用python语言在Mu上用游戏模式写了一个扫雷游戏，在64位的版本上运行良好（win10的电脑），但是拿到32位系统的版本上（win7的电脑）就报错找不到指定图片（图片确认过在相应目录图片确认过在相应目录下，格式没问题），求大佬指点！
报错如下：
"No 'images' directory found to load image 'minesweep_block'."

import random
BOMBS=10
ROWS=20
COLS=20
SIZE=35
WIDTH=SIZE*COLS
HEIGHT=SIZE*ROWS
failed=False
finished=False
blocks=[]


for i in range(ROWS):
    for j in range(COLS):
        block=Actor("minesweep_block")
        block.left=j*SIZE
        block.top=i*SIZE
        block.isbomb=False
        block.isopen=False
        block.isflag=False
        blocks.append(block)
random.shuffle(blocks)
for i in range(BOMBS):
    blocks[i].isbomb=True
def update():
    global finished
    if finished or failed:
        return
    for block in blocks:
        if not block.isbomb and not block.isopen:
            return
    finished=True
    sounds.tiancai.play()



def draw():
    screen.fill((200,100,100))
    for block in blocks:
        block.draw()
    if finished:
        screen.draw.text("Finished",center=(WIDTH//2,HEIGHT//2),fontsize=100,color="red")
    elif failed:
        screen.draw.text("Failed",center=(WIDTH//2,HEIGHT//2),fontsize=100,color="red")

def on_mouse_down(pos,button):
    if failed or finished:
        return
    for block in blocks:
        if block.collidepoint(pos) and not block.isopen:
            if button==mouse.RIGHT:
                set_flag(block)
            elif button==mouse.LEFT and not block.isflag:
                if block.isbomb:
                    blow_up()
                else:
                    open_block(block)
def set_flag(block):
    if not block.isflag:
        block.image="minesweep_flag"
        block.isflag=True
    else:
        block.image="minesweep_block"
        block.isflag=False
def blow_up():
    global failed
    failed=True
    sounds.dawaile.play()
    for i in range(BOMBS):
        blocks[i].image="minesweep_bomb"
def open_block(bk):
    bk.isopen=True
    bombnum=get_bomb_number(bk)
    bk.image="minesweep_number"+str(bombnum)
    if bombnum !=0:
        return
    for block in get_neighbours(bk):
        if not block.isopen:
            open_block(block)
def get_bomb_number(bk):
    num=0
    for block in get_neighbours(bk):
        if block.isbomb:
            num+=1
    return num

def get_neighbours(bk):
    nblocks=[]
    for block in blocks:
        if block.isopen:
            continue
        if block.x==bk.x-SIZE and block.y==bk.y \
          or block.x==bk.x+SIZE and block.y==bk.y \
          or block.x==bk.x and block.y==bk.y-SIZE \
          or block.x==bk.x and block.y==bk.y+SIZE \下，格式没问题）

import random
BOMBS=10
ROWS=20
COLS=20
SIZE=35
WIDTH=SIZE*COLS
HEIGHT=SIZE*ROWS
failed=False
finished=False
blocks=[]

for i in range(ROWS):
for j in range(COLS):
block=Actor("minesweep_block")
block.left=j*SIZE
block.top=i*SIZE
block.isbomb=False
block.isopen=False
block.isflag=False
blocks.append(block)
random.shuffle(blocks)
for i in range(BOMBS):
blocks[i].isbomb=True
def update():
global finished
if finished or failed:
return
for block in blocks:
if not block.isbomb and not block.isopen:
return
finished=True
sounds.tiancai.play()

def draw():
screen.fill((200,100,100))
for block in blocks:
block.draw()
if finished:
screen.draw.text("Finished",center=(WIDTH//2,HEIGHT//2),fontsize=100,color="red")
elif failed:
screen.draw.text("Failed",center=(WIDTH//2,HEIGHT//2),fontsize=100,color="red")

def on_mouse_down(pos,button):
if failed or finished:
return
for block in blocks:
if block.collidepoint(pos) and not block.isopen:
if button==mouse.RIGHT:
set_flag(block)
elif button==mouse.LEFT and not block.isflag:
if block.isbomb:
blow_up()
else:
open_block(block)
def set_flag(block):
if not block.isflag:
block.image="minesweep_flag"
block.isflag=True
else:
block.image="minesweep_block"
block.isflag=False
def blow_up():
global failed
failed=True
sounds.dawaile.play()
for i in range(BOMBS):
blocks[i].image="minesweep_bomb"
def open_block(bk):
bk.isopen=True
bombnum=get_bomb_number(bk)
bk.image="minesweep_number"+str(bombnum)
if bombnum !=0:
return
for block in get_neighbours(bk):
if not block.isopen:
open_block(block)
def get_bomb_number(bk):
num=0
for block in get_neighbours(bk):
if block.isbomb:
num+=1
return num

def get_neighbours(bk):
nblocks=[]
for block in blocks:
if block.isopen:
continue
if block.x==bk.x-SIZE and block.y==bk.y \
or block.x==bk.x+SIZE and block.y==bk.y \
or block.x==bk.x and block.y==bk.y-SIZE \
or block.x==bk.x and block.y==bk.y+SIZE \
or block.x==bk.x-SIZE and block.y==bk.y-SIZE \
or block.x==bk.x+SIZE and block.y==bk.y-SIZE \
or block.x==bk.x-SIZE and block.y==bk.y+SIZE \
or block.x==bk.x+SIZE and block.y==bk.y+SIZE:
nblocks.append(block)
return nblocks