优化修改js代码

web-ui.service/web/pages/page2.html

@@ -68,7 +68,7 @@
           <div class="card-header">
             <h2>联网服务</h2>
             <div class="log-actions">
-              <select class="log-level-select" id="logLevel" onchange="setNetLogLevel()">
+              <select class="log-level-select" id="logLevel" title="当前日志输出级别" onchange="setNetLogLevel()">
                 <option value="trace">trace</option>
                 <option value="debug">debug</option>
                 <option value="info" selected>info</option>