fix: 解决工具箱 Hosts 解析失败的问题 (#3501)

Refs #3497

backend/app/service/device.go

@@ -353,7 +353,7 @@ func loadHosts() []dto.HostHelper {
 		lines := strings.Split(string(hostConf), "\n")
 		for _, line := range lines {
 			parts := strings.Fields(line)
-			if len(parts) < 2 {
+			if len(parts) < 2 || strings.HasPrefix(strings.TrimPrefix(line, " "), "#") {
 				continue
 			}
 			list = append(list, dto.HostHelper{IP: parts[0], Host: strings.Join(parts[1:], " ")})

frontend/src/lang/modules/en.ts

@@ -926,6 +926,7 @@ const message = {
                 'When there are multiple DNS entries, they should be displayed on new lines. e.g.\n114.114.114.114\n8.8.8.8',
             hostsHelper: 'Hostname Resolution',
             hosts: 'Domain',
+            hostAlert: 'Hidden commented records, please click the All configuration button to view or set',
             toolbox: 'Quick Setup',
             hostname: 'Hostname',
             passwd: 'System Password',

frontend/src/lang/modules/tw.ts

@@ -881,6 +881,7 @@ const message = {
             dnsHelper1: '當存在多個DNS時，需換行顯示，例：\n114.114.114.114\n8.8.8.8',
             hostsHelper: '主機名解析',
             hosts: '域名',
+            hostAlert: '隱藏了已註釋的記錄，請點擊 全部配置 按鈕以查看或設置',
             toolbox: '快速設置',
             hostname: '主機名',
             passwd: '系統密碼',

frontend/src/lang/modules/zh.ts

@@ -882,6 +882,7 @@ const message = {
             dnsHelper1: '当存在多个 DNS 时，需换行显示，例：\n114.114.114.114\n8.8.8.8',
             hostsHelper: '主机名解析',
             hosts: '域名',
+            hostAlert: '隐藏了已注释的记录，请点击 全部配置 按钮以查看或设置',
             toolbox: '快速设置',
             hostname: '主机名',
             passwd: '系统密码',

frontend/src/views/toolbox/device/hosts/index.vue

@@ -7,6 +7,12 @@
 
             <el-row type="flex" justify="center" v-loading="loading">
                 <el-col :span="22">
+                    <el-alert
+                        :title="$t('toolbox.device.timeZoneHelper')"
+                        class="common-prompt"
+                        :closable="false"
+                        type="warning"
+                    />
                     <el-radio-group v-model="confShowType" @change="changeMode">
                         <el-radio-button label="base">{{ $t('database.baseConf') }}</el-radio-button>
                         <el-radio-button label="all">{{ $t('database.allConf') }}</el-radio-button>