windows ipv6 route with vpn service mode error

[spkyalstr]

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What Happened?

when i turn on ipv6 routing with vpn service mode in windows 10 it shows unexpected error

Reproduce the Bug

set service mode to vpn
enable ipv6 routing
load any config

Expected Behavior

No response

Version

all

Platform/OS

Windows

Additional Context

No response

Relevant log output

app log:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  11:52:41.006989 - [D] bootstrap: [logs repository] initialized in 2ms
11:52:41.006989 - [I] bootstrap: hiddify v0.15.4 (1504) [prod]
general release
windows ["Windows 10 Pro" 10.0 (Build 19045)]
11:52:41.023989 - [I] ConnectionNotifier: connection status: DISCONNECTED
11:52:41.023989 - [I] bootstrap: bootstrap took [123ms]
11:52:42.266874 - [I] ConnectionRepositoryImpl: config options: {
  "execute-config-as-is": false,
  "log-level": "warn",
  "resolve-destination": false,
  "ipv6-mode": "prefer_ipv4",
  "remote-dns-address": "https://1.1.1.1/dns-query",
  "remote-dns-domain-strategy": "",
  "direct-dns-address": "1.1.1.1",
  "direct-dns-domain-strategy": "",
  "mixed-port": 2334,
  "local-dns-port": 6450,
  "tun-implementation": "mixed",
  "mtu": 9000,
  "strict-route": true,
  "connection-test-url": "https://cp.cloudflare.com/",
  "url-test-interval": "3m",
  "enable-clash-api": true,
  "clash-api-port": 6756,
  "enable-tun": true,
  "set-system-proxy": false,
  "bypass-lan": false,
  "allow-connection-from-lan": false,
  "enable-fake-dns": false,
  "enable-dns-routing": false,
  "independent-dns-cache": true,
  "enable-tls-fragment": false,
  "tls-fragment-size": "10-100",
  "tls-fragment-sleep": "50-200",
  "enable-tls-mixed-sni-case": false,
  "enable-tls-padding": false,
  "tls-padding-size": "100-200",
  "enable-mux": false,
  "mux-padding": false,
  "mux-max-streams": 1,
  "mux-protocol": "smux",
  "geoip-path": "geo-assets\\chocolate4u-iran-sing-box-rules-geoip.db",
  "geosite-path": "geo-assets\\chocolate4u-iran-sing-box-rules-geosite.db",
  "rules": [
    {
      "domains": "domain:.ir,geosite:ir",
      "ip": "geoip:ir",
      "port": null,
      "protocol": null,
      "network": "",
      "outbound": "bypass"
    }
  ]
}
Memory Limit: false
11:52:42.274360 - [I] ConnectionNotifier: connection status: CONNECTING
11:52:42.780806 - [I] ConnectionNotifier: connection status: CONNECTION FAILURE: ConnectionFailure.unexpected(error: start clash api: external controller listen error: listen tcp 127.0.0.1:6756: bind: An attempt was made to access a socket in a way forbidden by its access permissions., stackTrace: null)

Are you willing to submit a PR? If you know how to fix the bug.

• I'm willing to submit a PR (Thank you!)