问题：
在pycharm社区版中，使用opencv获取摄像头时，运行一段时间后，rtsp流突然断开（有概率）。
断开时报错：
websockets.exceptions.ConnectionClosedError: code = 1006 (connection closed abnormally [internal]), no reason
怎么解决？
求大佬们告知！！！代码如下
```python ---- server.py
import base64
import cv2
from flask import Flask
from flask_sockets import Sockets
from imutils.video import FileVideoStream
import asyncio
import websockets
app = Flask(__name__)
sockets = Sockets(app)
fvs = FileVideoStream(1).start()
async def video_stream(websocket, path):
cap = cv2.VideoCapture(1)
cap.set(6, cv2.VideoWriter.fourcc('M', 'J', 'P', 'G'))
while True:
ret, img = cap.read()
if not ret:
# 若没有帧返回，则重新刷新rtsp视频流
cap = cv2.VideoCapture(1)
ret, frame = cap.read()
continue
encode_param = [int(cv2.IMWRITE_JPEG_QUALITY), 50]
result, img_encode = cv2.imencode('.jpg', img, encode_param)
image_b = base64.b64encode(img_encode).decode()
await websocket.send(image_b)
print(type(image_b))
if __name__ == "__main__":
start_server = websockets.serve(video_stream, 'localhost', 8778)
asyncio.get_event_loop().run_until_complete(start_server)
asyncio.get_event_loop().run_forever()
```
```python ------ client.py
import base64
import datetime
import cv2
import numpy as np
import asyncio
import websockets
now = datetime.datetime.now()
print(now)
async def send_query_webSocket():
url = "ws://localhost:8778"
async with websockets.connect(url, ping_interval=None) as websocket:
while True:
greeting = await websocket.recv()
image0 = base64.b64decode(greeting)
image1 = np.frombuffer(image0, np.uint8)
images = cv2.imdecode(image1, cv2.IMREAD_COLOR)
cv2.imshow("re", images)
cv2.waitKey(1)
# cv2.destroyAllWindows()
print(type(greeting))
if __name__ == "__main__":
asyncio.get_event_loop().run_until_complete(send_query_webSocket())
```
