fix typo and broken url

Dectinc Chen

2021-04-16 681351d74040d64024c924a6d7da4e17b96d6a38

 web_src/src/components/dialog/chooseChannel.vue

@@ -62,7 +62,7 @@
            this.closeCallback = closeCallback
        },
        close: function() {

          this.closeCallback()
        },
        search: function() {