API RPC配置增加disableUpdate，可以停用自动更新API节点

internal/web/actions/default/recover/validateApi.go

@@ -43,7 +43,8 @@ func (this *ValidateApiAction) RunPost(params struct {
 		Require("请输入节点secret")
 	client, err := rpc.NewRPCClient(&configs.APIConfig{
 		RPC: struct {
-			Endpoints []string `yaml:"endpoints"`
+			Endpoints     []string `yaml:"endpoints"`
+			DisableUpdate bool     `yaml:"disableUpdate"`
 		}{
 			Endpoints: []string{params.Protocol + "://" + configutils.QuoteIP(params.Host) + ":" + params.Port},
 		},