diff --git a/frontend/src/lang/modules/en.ts b/frontend/src/lang/modules/en.ts
index d69a91de2..c62d28c8e 100644
--- a/frontend/src/lang/modules/en.ts
+++ b/frontend/src/lang/modules/en.ts
@@ -918,6 +918,8 @@ const message = {
         },
         device: {
             dnsHelper: 'Server Address Domain Resolution',
+            dnsAlert:
+                'Attention! Modifying the configuration of /etc/resolv.conf file will restore the file to its default values after system restart.',
             dnsHelper1:
                 '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',
diff --git a/frontend/src/lang/modules/tw.ts b/frontend/src/lang/modules/tw.ts
index 7e1ab4a5e..cc60422a1 100644
--- a/frontend/src/lang/modules/tw.ts
+++ b/frontend/src/lang/modules/tw.ts
@@ -874,6 +874,7 @@ const message = {
         },
         device: {
             dnsHelper: '伺服器地址域名解析',
+            dnsAlert: '請注意！修改 /etc/resolv.conf 文件的配置時，重啟系統後會將文件恢復為預設值',
             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',
diff --git a/frontend/src/lang/modules/zh.ts b/frontend/src/lang/modules/zh.ts
index 143906d5b..557694a7b 100644
--- a/frontend/src/lang/modules/zh.ts
+++ b/frontend/src/lang/modules/zh.ts
@@ -875,7 +875,8 @@ const message = {
         },
         device: {
             dnsHelper: '服务器地址域名解析',
-            dnsHelper1: '当存在多个DNS时，需换行显示，例：\n114.114.114.114\n8.8.8.8',
+            dnsAlert: '请注意！修改 /etc/resolv.conf 文件的配置时，重启系统后会将文件恢复为默认值',
+            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',
             toolbox: '工具箱',
diff --git a/frontend/src/views/database/mysql/remote/operate/index.vue b/frontend/src/views/database/mysql/remote/operate/index.vue
index 55234791d..40ffff8b9 100644
--- a/frontend/src/views/database/mysql/remote/operate/index.vue
+++ b/frontend/src/views/database/mysql/remote/operate/index.vue
@@ -158,7 +158,7 @@ const acceptParams = (params: DialogProps): void => {
     if (dialogData.value.rowData.version.startsWith('10.')) {
         dialogData.value.rowData.version = '10.x';
     }
-    dialogData.value.rowData.hasCA = dialogData.value.rowData.rootCert?.length === 0;
+    dialogData.value.rowData.hasCA = dialogData.value.rowData.rootCert?.length !== 0;
     title.value = i18n.global.t('database.' + dialogData.value.title + 'RemoteDB');
     drawerVisible.value = true;
 };
diff --git a/frontend/src/views/toolbox/device/dns/index.vue b/frontend/src/views/toolbox/device/dns/index.vue
index 3c53096c3..0af8f5e8f 100644
--- a/frontend/src/views/toolbox/device/dns/index.vue
+++ b/frontend/src/views/toolbox/device/dns/index.vue
@@ -7,6 +7,12 @@
 
             <el-row type="flex" justify="center">
                 <el-col :span="22">
+                    <el-alert
+                        :title="$t('toolbox.device.dnsAlert')"
+                        class="common-prompt"
+                        :closable="false"
+                        type="warning"
+                    />
                     <el-radio-group v-model="confShowType" @change="changeMode">
                         <el-radio-button label="form">{{ $t('database.baseConf') }}</el-radio-button>
                         <el-radio-button label="all">{{ $t('database.allConf') }}</el-radio-button>