flask 运行提示 WinError 10038

Question

两台电脑都是win7旗舰，在笔记本上测试正常，拷贝到台式机上则显示WinError 10038
python3.5.1

from flask import Flask

app = Flask(__name__)

@app.route('/')
def Index():
    return 'Index Page'

if __name__ == '__main__':
    app.debug = True
    app.run('0.0.0.0',port=6666)