Blank page when activate repository on Gitlab

Hi guys, I have a problem with drone and need your help.
I’m using version 1.6.5. After installation, I logged to drone dashboard, but did not activate any repositories.

drone

This is my drone container log

{
  "level": "debug",
  "msg": "api: authentication required",
  "request-id": "1YLp6AsXaR6SbqpeovndYsjAfSC",
  "time": "2020-02-26T15:39:10Z"
}
{
  "level": "debug",
  "msg": "api: guest access",
  "request-id": "1YLp6AsXaR6SbqpeovndYsjAfSC",
  "time": "2020-02-26T15:39:10Z"
}
{
  "fields.time": "2020-02-26T15:39:10Z",
  "latency": 112038,
  "level": "debug",
  "method": "GET",
  "msg": "",
  "remote": "10.0.1.1:49713",
  "request": "/api/user",
  "request-id": "1YLp6AsXaR6SbqpeovndYsjAfSC",
  "time": "2020-02-26T15:39:10Z"
}
{
  "fields.time": "2020-02-26T15:39:10Z",
  "latency": 31879,
  "level": "debug",
  "method": "GET",
  "msg": "",
  "remote": "10.0.1.1:49713",
  "request": "/favicon.png",
  "request-id": "1YLp675FX2yjEYzFRz5JkPz0cRi",
  "time": "2020-02-26T15:39:10Z"
}
{
  "fields.time": "2020-02-26T15:39:10Z",
  "latency": 58078,
  "level": "debug",
  "method": "GET",
  "msg": "",
  "remote": "10.0.1.1:49713",
  "request": "/login",
  "request-id": "1YLp66kjXBuG0YwNFwlmKsWR6B7",
  "time": "2020-02-26T15:39:10Z"
}
{
  "level": "debug",
  "msg": "events: stream opened",
  "request-id": "1YLp6C0yGh5UfQVpbO5PpUY8KWd",
  "time": "2020-02-26T15:39:10Z"
}
{
  "level": "debug",
  "login": "anhpt81",
  "msg": "attempting authentication",
  "time": "2020-02-26T15:39:10Z"
}
{
  "level": "debug",
  "login": "anhpt81",
  "msg": "authentication successful",
  "time": "2020-02-26T15:39:10Z"
}
{
  "fields.time": "2020-02-26T15:39:10Z",
  "latency": 112805173,
  "level": "debug",
  "method": "GET",
  "msg": "",
  "remote": "10.0.1.1:49713",
  "request": "/login?code=b3f125c94a7a15ef19a08aa3527adf2e48e0bfa7df447513491adff350f4819f\u0026state=78629a0f5f3f164f",
  "request-id": "1YLp65kwzPvm4hwYhIpPpW0lH7s",
  "time": "2020-02-26T15:39:10Z"
}
{
  "fields.time": "2020-02-26T15:39:10Z",
  "latency": 476264,
  "level": "debug",
  "method": "GET",
  "msg": "",
  "remote": "10.0.1.1:49713",
  "request": "/",
  "request-id": "1YLp677RmJ2lZou6xVZPhVDgoLc",
  "time": "2020-02-26T15:39:10Z"
}
{
  "level": "debug",
  "msg": "events: stream cancelled",
  "request-id": "1YLp6C0yGh5UfQVpbO5PpUY8KWd",
  "time": "2020-02-26T15:39:10Z"
}
{
  "level": "debug",
  "msg": "events: stream closed",
  "request-id": "1YLp6C0yGh5UfQVpbO5PpUY8KWd",
  "time": "2020-02-26T15:39:10Z"
}
{
  "level": "debug",
  "msg": "api: guest access",
  "request-id": "1YLp6C0yGh5UfQVpbO5PpUY8KWd",
  "time": "2020-02-26T15:39:10Z"
}
{
  "fields.time": "2020-02-26T15:39:10Z",
  "latency": 226361111,
  "level": "debug",
  "method": "GET",
  "msg": "",
  "remote": "10.0.1.1:49713",
  "request": "/api/stream",
  "request-id": "1YLp6C0yGh5UfQVpbO5PpUY8KWd",
  "time": "2020-02-26T15:39:10Z"
}
{
  "fields.time": "2020-02-26T15:39:10Z",
  "latency": 263159,
  "level": "debug",
  "method": "GET",
  "msg": "",
  "remote": "10.0.1.1:49713",
  "request": "/api/user",
  "request-id": "1YLp67fFtilCqYRblu2PtD3IX7x",
  "time": "2020-02-26T15:39:10Z"
}
{
  "fields.time": "2020-02-26T15:39:10Z",
  "latency": 4648684,
  "level": "debug",
  "method": "GET",
  "msg": "",
  "remote": "10.0.1.1:49713",
  "request": "/api/user/repos?latest=true",
  "request-id": "1YLp6BlwlUmV15m6UJeq6sUwCtn",
  "time": "2020-02-26T15:39:10Z"
}
{
  "fields.time": "2020-02-26T15:39:10Z",
  "latency": 2141177,
  "level": "debug",
  "method": "GET",
  "msg": "",
  "remote": "10.0.1.1:49713",
  "request": "/api/user/builds/recent",
  "request-id": "1YLp66eGYMymCXUqFUi16yhwvTK",
  "time": "2020-02-26T15:39:10Z"
}
{
  "fields.time": "2020-02-26T15:39:10Z",
  "latency": 5548765,
  "level": "debug",
  "method": "GET",
  "msg": "",
  "remote": "10.0.1.1:49713",
  "request": "/api/user/repos?latest=true",
  "request-id": "1YLp6AUnBZA6x1c45DtyK8t4t2s",
  "time": "2020-02-26T15:39:10Z"
}
{
  "level": "debug",
  "msg": "events: stream opened",
  "request-id": "1YLp65CJratGVSsqMV6mu8vcQfr",
  "time": "2020-02-26T15:39:10Z",
  "user.login": "anhpt81"
}
{
  "fields.time": "2020-02-26T15:39:14Z",
  "latency": 2604117,
  "level": "debug",
  "method": "GET",
  "msg": "",
  "remote": "10.0.1.1:49713",
  "request": "/api/user/repos?latest=true",
  "request-id": "1YLp6hriiqy21FSwiplcJfN5fZC",
  "time": "2020-02-26T15:39:14Z"
}