when click on spreedme in nextcloud,it returns a same nextcloud sreen in the nextcloud

[diewassermelone]

/var/www/nextcloud/apps/spreedme/server.conf
; Minimal Spreed WebRTC configuration for Nextcloud

[http]
;listen = 127.0.0.1:8088
basePath = /webrtc/
;root = /usr/share/spreed-webrtc-server/www

[app]
sessionSecret = 6e73725fc4ff6a37640c80b8fe86ec60fecb7aed6260abed28d759494874560e
encryptionSecret = f8970ceed2ed887dd83d36d771c990e1c6eb1daf79781d17e83ebb5eecd98db4
authorizeRoomJoin = true
serverToken = 277bb076987bff060a6547cab228e53d9b16eb8bc4ee4edda35a3086a528200b
serverRealm = local
extra = /var/www/nextcloud/apps/spreedme/extra
plugin = extra/static/owncloud.js

[users]
enabled = true
mode = sharedsecret
sharedsecret_secret = feb203af407435b977115ecec5e567da11085e3d36cfb7397d4eb1a5b571e4e4

and then i do this:
docker run --name my-spreed-webrtc -p 8080:8080 -p 8443:8443 -v /var/www/nextcloud/apps/spreedme:/srv/extra -v /var/www/nextcloud/apps/spreedme/extra:/var/www/nextcloud/apps/spreedme/extra -i -t spreed/webrtc -c /srv/extra/server.conf

Creating new self signed TLS certificate ...
TLS certificate:
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
f0:81:e9:8b:ba:e5:aa:8a
Signature Algorithm: ecdsa-with-SHA256
Issuer: CN=spreed-webrtc
Validity
Not Before: Nov 7 06:52:58 2018 GMT
Not After : Nov 4 06:52:58 2028 GMT
Subject: CN=spreed-webrtc
Subject Public Key Info:
Public Key Algorithm: id-ecPublicKey
Public-Key: (384 bit)
pub:
04:dd:9b:b8:a8:5d:24:fa:2d:d3:c0:d9:15:42:1d:
8c:d5:57:e4:3a:84:34:fc:b1:a0:65:de:e4:a5:aa:
67:ab:28:1b:fa:b0:b2:fb:1d:27:28:8a:00:90:a4:
9d:86:9b:74:de:ee:22:55:a6:e7:42:12:43:85:48:
54:29:d9:a1:ca:53:d7:d2:8f:55:6c:98:d0:b8:64:
2c:17:c1:58:bd:c0:0d:1a:8b:5d:4a:5a:91:ae:cb:
6d:ae:5d:46:89:8b:e3
ASN1 OID: secp384r1
NIST CURVE: P-384
X509v3 extensions:
X509v3 Basic Constraints:
CA:FALSE
X509v3 Key Usage:
Digital Signature, Non Repudiation, Key Encipherment
Signature Algorithm: ecdsa-with-SHA256
30:65:02:31:00:e5:80:2d:b9:86:16:9b:26:45:97:bb:c2:f7:
46:cb:19:5d:cb:94:f3:b4:d5:13:a5:6a:29:aa:e7:2b:bb:ae:
0b:79:0f:95:20:f5:08:fb:70:72:d5:87:54:82:c5:89:fd:02:
30:7b:6e:4c:45:44:0f:14:09:42:66:cd:3f:ce:47:0c:50:78:
09:ca:23:9b:ec:b3:27:45:82:44:a5:f6:8d:8f:b4:a6:e9:2e:
bb:d2:64:bc:c4:98:53:65:11:27:42:09:31
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
Creating new server secrets ...
Server secrets:
SESSION_SECRET=da9aaef83ea642dc3d1b46b35a69d72ab48d3b871dc05468301592450e5d16d6
ENCRYPTION_SECRET=5d653b1c85bc33bca9137a27756cbd36024eba7e23f7c4cbb7a27039764963a5
SERVER_TOKEN=4b3b7271780626a44435597e8d0f04611318204eac412e04fbd14b3d22fc879c
SHARED_SECRET=622f51cbcb3f927cc5b86ff549a84f69c460a8063411ea204a9f530bc458f9b0
Staring Spreed WebRTC server ...
server 2018/11/07 06:52:58 Using '/webrtc/' base base path.
server 2018/11/07 06:52:58.296374 Enabled modules: [contacts screensharing youtube presentation]
server 2018/11/07 06:52:58.297303 Loaded extra templates from: /var/www/nextcloud/apps/spreedme/extra
server 2018/11/07 06:52:58.297313 Max open files are 1048576
server 2018/11/07 06:52:58.308024 Native TLS configuration intialized
server 2018/11/07 06:52:58.308645 Enabled users handler 'sharedsecret'
server 2018/11/07 06:52:58.308768 Added URL handler /extra/static/... for static files in /var/www/nextcloud/apps/spreedme/extra/static/...
server 2018/11/07 06:52:58 Starting HTTP server on 0.0.0.0:8080
server 2018/11/07 06:52:58 Starting HTTPS server on 0.0.0.0:8443

it looks normal ,but i click spreedMe on the nextcloud ,it show nothing but the two same screen like the above picture , i have no solutions ,help please.thank you for watching .