kubernetes ingressRoute error, Cannot start the provider *crd.Provider

[maozhihui]

my version:
kubernetes: 1.16.1
traefik: 2.0.2

when i use the kubernetes ingressRoute to daynamic config the tcp route, i trun on the traefik log, i get the error blew.

time="2019-10-31T10:46:14Z" level=info msg="label selector is: \"\"" providerName=kubernetescrd
time="2019-10-31T10:46:14Z" level=info msg="Creating in-cluster Provider client with endpoint \"http://localhost:8080\"" providerName=kubernetescrd
time="2019-10-31T10:46:14Z" level=info msg="Starting provider *ingress.Provider {}"
time="2019-10-31T10:46:14Z" level=info msg="ingress label selector is: \"\"" providerName=kubernetes
time="2019-10-31T10:46:14Z" level=info msg="Creating in-cluster Provider client" providerName=kubernetes
time="2019-10-31T10:46:14Z" level=error msg="Cannot start the provider *crd.Provider: host must be a URL or a host:port pair: \"\\\"http://localhost:8080\\\"\""

my yaml file args is blew.

        args:
        - --api.insecure=true
        - --providers.kubernetesingress=true
        - --providers.kubernetescrd.endpoint="http://localhost:8080"
        - --providers.kubernetescrd.token="eyJhbGciOiJSUzI1NiIsImtpZCI6IiJ9.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.kz2H-g-tWc2nnVi3w575mSDy2GItje6CA4hx5remI3COSe0GnEm8XlF8_JJ7RRDCfebXOA2rJRwGxxwMQrzO_P9uFInE51aJu6uUH9p5Oug6Spkv0BmUg6veZLT46hIolQypgEYsH8VnR7pBeTZlY25PfKcsZMUcJqURahjcBw6AguPSU4tE21xA6WUntHXzh7YUsQIMqKNiKOK6a0S0AUg7vlp2MFIHc7fYB4MCYcwxXhz2bPDBqjE_L6R9wrZQsuvBwmE0pavhobgzxRnAJ2_O1ef-KNbzfrawehExU_xOs9crZauvItt9X47o0sOk_ZV9kQsrBG9RneVRH40MNQ"
        - --providers.kubernetescrd.certauthfilepath="/var/run/secrets/kubernetes.io/serviceaccount/ca.crt"
        - --log=true
        - --log.level=INFO
        - --log.filepath=/var/log/traefik.log
        - --accesslog=true
        - --accesslog.filepath=/var/log/traefik_access.log
        - --entrypoints.mqtt.address=:1883
        - --entrypoints.http.address=:80

why i got the error, thanks.

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