with open('app/api/labels/[id]/route.ts', 'r') as f:
    content = f.read()

# Fix targetUserId logic
content = content.replace(
    'if (name && name.trim() !== currentLabel.name && currentLabel.userId) {',
    'const targetUserIdPut = currentLabel.userId || currentLabel.notebook?.userId || session.user.id;\n    if (name && name.trim() !== currentLabel.name && targetUserIdPut) {'
)
content = content.replace(
    'userId: currentLabel.userId,',
    'userId: targetUserIdPut,'
)

content = content.replace(
    'if (label.userId) {',
    'const targetUserIdDel = label.userId || label.notebook?.userId || session.user.id;\n    if (targetUserIdDel) {'
)
content = content.replace(
    'userId: label.userId,',
    'userId: targetUserIdDel,'
)

with open('app/api/labels/[id]/route.ts', 'w') as f:
    f.write(content)