Error while dialing dial tcp: address ://11.167.99.55:2379: too many colons in address\""

[ennian001]

why dashboard happend this erro?
the version of dashboard is "apisix-dashboard-3.0.1-0.el7.x86_64.rpm"
and my etcd-adapter-main project config.yaml as follows:

server:
  host: 0.0.0.0
  port: 2379
# tls:
#   cert: /path/to/file.pem
#   key: /path/to/file.pem

log:
  level: info

datasource:
  type: mysql # btree of mysql
  mysql:
    host: 11.188.122.188
    port: 13306
    username: root
    password: root
    database: apisix

and my dashboard conf as follows:

#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

# yamllint disable rule:comments-indentation
conf:
  listen:
    # host: 127.0.0.1     # the address on which the `Manager API` should listen.
                          # The default value is 0.0.0.0, if want to specify, please enable it.
                          # This value accepts IPv4, IPv6, and hostname.
    port: 9000            # The port on which the `Manager API` should listen.

  # ssl:
  #   host: 127.0.0.1     # the address on which the `Manager API` should listen for HTTPS.
                          # The default value is 0.0.0.0, if want to specify, please enable it.
  #   port: 9001            # The port on which the `Manager API` should listen for HTTPS.
  #   cert: "/tmp/cert/example.crt" # Path of your SSL cert.
  #   key:  "/tmp/cert/example.key"  # Path of your SSL key.

  allow_list:             # If we don't set any IP list, then any IP access is allowed by default.
  #  - 127.0.0.1           # The rules are checked in sequence until the first match is found.
  #  - ::1                 # In this example, access is allowed only for IPv4 network 127.0.0.1, and for IPv6 network ::1.
                          # It also support CIDR like 192.168.1.0/24 and 2001:0db8::/32
  etcd:
    endpoints:            # supports defining multiple etcd host addresses for an etcd cluster
      - 11.167.99.55:2379
                          # yamllint disable rule:comments-indentation
                          # etcd basic auth info
    # username: "root"    # ignore etcd username if not enable etcd auth
    # password: "123456"  # ignore etcd password if not enable etcd auth
    mtls:
      key_file: ""          # Path of your self-signed client side key
      cert_file: ""         # Path of your self-signed client side cert
      ca_file: ""           # Path of your self-signed ca cert, the CA is used to sign callers' certificates
    # prefix: /apisix       # apisix config's prefix in etcd, /apisix by default
  log:
    error_log:
      level: warn       # supports levels, lower to higher: debug, info, warn, error, panic, fatal
      file_path:
        logs/error.log  # supports relative path, absolute path, standard output
                        # such as: logs/error.log, /tmp/logs/error.log, /dev/stdout, /dev/stderr
                        # such as absolute path on Windows: winfile:///C:\error.log
    access_log:
      file_path:
        logs/access.log  # supports relative path, absolute path, standard output
                         # such as: logs/access.log, /tmp/logs/access.log, /dev/stdout, /dev/stderr
                         # such as absolute path on Windows: winfile:///C:\access.log
                         # log example: 2020-12-09T16:38:09.039+0800	INFO	filter/logging.go:46	/apisix/admin/routes/r1	{"status": 401, "host": "127.0.0.1:9000", "query": "asdfsafd=adf&a=a", "requestId": "3d50ecb8-758c-46d1-af5b-cd9d1c820156", "latency": 0, "remoteIP": "127.0.0.1", "method": "PUT", "errs": []}
  max_cpu: 0             # supports tweaking with the number of OS threads are going to be used for parallelism. Default value: 0 [will use max number of available cpu cores considering hyperthreading (if any)]. If the value is negative, is will not touch the existing parallelism profile.
  # security:
  #   access_control_allow_origin: "http://httpbin.org"
  #   access_control_allow_credentials: true          # support using custom cors configration
  #   access_control_allow_headers: "Authorization"
  #   access_control-allow_methods: "*"
  #   x_frame_options: "deny"
  #   content_security_policy: ""default-src 'self'; script-src 'self' 'unsafe-eval'; style-src 'self' 'unsafe-inline'""


authentication:
  secret:
    secret              # secret for jwt token generation.
                        # NOTE: Highly recommended to modify this value to protect `manager api`.
                        # if it's default value, when `manager api` start, it will generate a random string to replace it.
  expire_time: 3600     # jwt token expire time, in second
  users:                # yamllint enable rule:comments-indentation
    - username: admin   # username and password for login `manager api`
      password: admin
    - username: user
      password: user

plugins:                          # plugin list (sorted in alphabetical order)
  - api-breaker
  - authz-keycloak
  - basic-auth
  - batch-requests
  - consumer-restriction
  - cors
  # - dubbo-proxy
  - echo
  # - error-log-logger
  # - example-plugin
  - fault-injection
  - grpc-transcode
  - hmac-auth
  - http-logger
  - ip-restriction
  - jwt-auth
  - kafka-logger
  - key-auth
  - limit-conn
  - limit-count
  - limit-req
  # - log-rotate
  # - node-status
  - openid-connect
  - prometheus
  - proxy-cache
  - proxy-mirror
  - proxy-rewrite
  - redirect
  - referer-restriction
  - request-id
  - request-validation
  - response-rewrite
  - serverless-post-function
  - serverless-pre-function
  # - skywalking
  - sls-logger
  - syslog
  - tcp-logger
  - udp-logger
  - uri-blocker
  - wolf-rbac
  - zipkin
  - server-info
  - traffic-split