diff --git a/backend/services/browser_service.go b/backend/services/browser_service.go
index 35f6fa4..5515bd3 100644
--- a/backend/services/browser_service.go
+++ b/backend/services/browser_service.go
@@ -2234,7 +2234,7 @@ func (b *browserService) ExportKey(server string, db int, ks []any, path string,
 }
 
 // ImportCSV import data from csv file
-func (b *browserService) ImportCSV(server string, db int, path string, conflict int, includeExpire bool) (resp types.JSResp) {
+func (b *browserService) ImportCSV(server string, db int, path string, conflict int, ttl int64) (resp types.JSResp) {
 	// connect a new connection to export keys
 	conf := Connection().getConnection(server)
 	if conf == nil {
@@ -2270,14 +2270,14 @@ func (b *browserService) ImportCSV(server string, db int, path string, conflict
 	var line []string
 	var readErr error
 	var key, value []byte
-	var ttl time.Duration
+	var ttlValue time.Duration
 	var imported, ignored int64
 	var canceled bool
 	startTime := time.Now().Add(-10 * time.Second)
 	for {
 		readErr = nil
 
-		ttl = redis.KeepTTL
+		ttlValue = redis.KeepTTL
 		line, readErr = reader.Read()
 		if readErr != nil {
 			break
@@ -2293,21 +2293,25 @@ func (b *browserService) ImportCSV(server string, db int, path string, conflict
 			continue
 		}
 		// get ttl
-		if includeExpire && len(line) > 2 {
+		if ttl < 0 {
+			// use previous
 			if expire, ttlErr := strconv.ParseInt(line[2], 10, 64); ttlErr == nil && expire > 0 {
-				ttl = time.UnixMilli(expire).Sub(time.Now())
+				ttlValue = time.UnixMilli(expire).Sub(time.Now())
 			}
+		} else if ttl > 0 {
+			// custom ttl
+			ttlValue = time.Duration(ttl) * time.Second
 		}
 		if conflict == 0 {
-			readErr = client.RestoreReplace(ctx, string(key), ttl, string(value)).Err()
+			readErr = client.RestoreReplace(ctx, string(key), ttlValue, string(value)).Err()
 		} else {
 			keyStr := string(key)
 			// go-redis may crash when batch calling restore
 			// use "exists" to filter first
 			if n, _ := client.Exists(ctx, keyStr).Result(); n <= 0 {
-				readErr = client.Restore(ctx, keyStr, ttl, string(value)).Err()
+				readErr = client.Restore(ctx, keyStr, ttlValue, string(value)).Err()
 			} else {
-				readErr = errors.New("key existed")
+				readErr = errors.New("key already existed")
 			}
 		}
 		if readErr != nil {
diff --git a/frontend/src/components/common/TtlInput.vue b/frontend/src/components/common/TtlInput.vue
new file mode 100644
index 0000000..283e862
--- /dev/null
+++ b/frontend/src/components/common/TtlInput.vue
@@ -0,0 +1,66 @@
+<script setup>
+import { useI18n } from 'vue-i18n'
+import { computed } from 'vue'
+
+const props = defineProps({
+    value: {
+        type: Number,
+        default: -1,
+    },
+    unit: {
+        type: Number,
+        default: 1,
+    },
+})
+
+const emit = defineEmits(['update:value', 'update:unit'])
+
+const i18n = useI18n()
+const unit = computed(() => [
+    { value: 1, label: i18n.t('common.second') },
+    {
+        value: 60,
+        label: i18n.t('common.minute'),
+    },
+    {
+        value: 3600,
+        label: i18n.t('common.hour'),
+    },
+    {
+        value: 86400,
+        label: i18n.t('common.day'),
+    },
+])
+
+const unitValue = computed(() => {
+    switch (props.unit) {
+        case 60:
+            return 60
+        case 3600:
+            return 3600
+        case 86400:
+            return 86400
+        default:
+            return 1
+    }
+})
+</script>
+
+<template>
+    <n-input-group>
+        <n-input-number
+            :max="Number.MAX_SAFE_INTEGER"
+            :min="-1"
+            :show-button="false"
+            :value="props.value"
+            class="flex-item-expand"
+            @update:value="(val) => emit('update:value', val)" />
+        <n-select
+            :options="unit"
+            :value="unitValue"
+            style="max-width: 150px"
+            @update:value="(val) => emit('update:unit', val)" />
+    </n-input-group>
+</template>
+
+<style lang="scss" scoped></style>
diff --git a/frontend/src/components/dialogs/ImportKeyDialog.vue b/frontend/src/components/dialogs/ImportKeyDialog.vue
index 1387fd9..ab52f72 100644
--- a/frontend/src/components/dialogs/ImportKeyDialog.vue
+++ b/frontend/src/components/dialogs/ImportKeyDialog.vue
@@ -5,15 +5,18 @@ import { useI18n } from 'vue-i18n'
 import useBrowserStore from 'stores/browser.js'
 import { isEmpty } from 'lodash'
 import FileOpenInput from '@/components/common/FileOpenInput.vue'
+import TtlInput from '@/components/common/TtlInput.vue'
 
 const importKeyForm = reactive({
     server: '',
     db: 0,
-    expire: true,
     reload: true,
     file: '',
     type: 0,
     conflict: 0,
+    ttlType: 0,
+    ttl: -1,
+    ttlUnit: 1,
 })
 
 const dialogStore = useDialog()
@@ -25,11 +28,12 @@ watchEffect(() => {
         const { server, db } = dialogStore.importKeyParam
         importKeyForm.server = server
         importKeyForm.db = db
-        importKeyForm.expire = true
         importKeyForm.reload = true
         importKeyForm.file = ''
         importKeyForm.type = 0
         importKeyForm.conflict = 0
+        importKeyForm.ttlType = 0
+        importKeyForm.ttl = -1
         importing.value = false
     }
 })
@@ -46,6 +50,21 @@ const conflictOption = computed(() => [
     },
 ])
 
+const ttlOption = computed(() => [
+    {
+        value: 0,
+        label: i18n.t('dialogue.import.ttl_include'),
+    },
+    {
+        value: 1,
+        label: i18n.t('dialogue.import.ttl_ignore'),
+    },
+    {
+        value: 2,
+        label: i18n.t('dialogue.import.ttl_custom'),
+    },
+])
+
 const importEnable = computed(() => {
     return !isEmpty(importKeyForm.file)
 })
@@ -53,8 +72,19 @@ const importEnable = computed(() => {
 const onConfirmImport = async () => {
     try {
         importing.value = true
-        const { server, db, file, conflict, expire, reload } = importKeyForm
-        browserStore.importKeysFromCSVFile(server, db, file, conflict, expire, reload).catch((e) => {})
+        const { server, db, file, conflict, ttlType, ttl, ttlUnit, reload } = importKeyForm
+        let ttlVal = 0
+        switch (ttlType) {
+            case 0:
+                ttlVal = -1
+                break
+            case 1:
+                ttlVal = 0
+                break
+            default:
+                ttlVal = ttl * (ttlUnit || 1)
+        }
+        browserStore.importKeysFromCSVFile(server, db, file, conflict, ttlVal, reload).catch((e) => {})
     } catch (e) {
         $message.error(e.message)
         return
@@ -104,16 +134,22 @@ const onClose = () => {
                             :value="op.value" />
                     </n-radio-group>
                 </n-form-item>
-                <n-form-item :label="$t('dialogue.import.import_expire_title')" :show-label="false">
+                <n-form-item :label="$t('dialogue.import.import_expire_title')">
                     <n-space :wrap-item="false">
-                        <n-checkbox v-model:checked="importKeyForm.expire" :autofocus="false">
-                            {{ $t('dialogue.import.import_expire') }}
-                        </n-checkbox>
-                        <n-checkbox v-model:checked="importKeyForm.reload" :autofocus="false">
-                            {{ $t('dialogue.import.reload') }}
-                        </n-checkbox>
+                        <n-radio-group v-model:value="importKeyForm.ttlType">
+                            <n-radio-button v-for="(op, i) in ttlOption" :key="i" :label="op.label" :value="op.value" />
+                        </n-radio-group>
+                        <ttl-input
+                            v-if="importKeyForm.ttlType === 2"
+                            v-model:unit="importKeyForm.ttlUnit"
+                            v-model:value="importKeyForm.ttl" />
                     </n-space>
                 </n-form-item>
+                <n-form-item :label="$t('dialogue.import.import_expire_title')" :show-label="false">
+                    <n-checkbox v-model:checked="importKeyForm.reload" :autofocus="false">
+                        {{ $t('dialogue.import.reload') }}
+                    </n-checkbox>
+                </n-form-item>
             </n-form>
         </n-spin>
 
diff --git a/frontend/src/components/dialogs/SetTtlDialog.vue b/frontend/src/components/dialogs/SetTtlDialog.vue
index af20cf0..b5be274 100644
--- a/frontend/src/components/dialogs/SetTtlDialog.vue
+++ b/frontend/src/components/dialogs/SetTtlDialog.vue
@@ -4,6 +4,7 @@ import useDialog from 'stores/dialog'
 import useBrowserStore from 'stores/browser.js'
 import { useI18n } from 'vue-i18n'
 import { isEmpty, size } from 'lodash'
+import TtlInput from '@/components/common/TtlInput.vue'
 
 const ttlForm = reactive({
     server: '',
@@ -42,22 +43,6 @@ const isBatchAction = computed(() => {
 })
 
 const i18n = useI18n()
-const unit = computed(() => [
-    { value: 1, label: i18n.t('common.second') },
-    {
-        value: 60,
-        label: i18n.t('common.minute'),
-    },
-    {
-        value: 3600,
-        label: i18n.t('common.hour'),
-    },
-    {
-        value: 86400,
-        label: i18n.t('common.day'),
-    },
-])
-
 const quickOption = computed(() => [
     { value: -1, unit: 1, label: i18n.t('interface.forever') },
     { value: 10, unit: 1, label: `10 ${i18n.t('common.second')}` },
@@ -119,15 +104,7 @@ const onConfirm = async () => {
                 <n-input :value="ttlForm.key" readonly />
             </n-form-item>
             <n-form-item :label="$t('interface.ttl')" required>
-                <n-input-group>
-                    <n-input-number
-                        v-model:value="ttlForm.ttl"
-                        :max="Number.MAX_SAFE_INTEGER"
-                        :min="-1"
-                        :show-button="false"
-                        class="flex-item-expand" />
-                    <n-select v-model:value="ttlForm.unit" :options="unit" style="max-width: 150px" />
-                </n-input-group>
+                <ttl-input v-model:unit="ttlForm.unit" v-model:value="ttlForm.ttl" />
             </n-form-item>
             <n-form-item :label="$t('dialogue.ttl.quick_set')" :show-feedback="false">
                 <n-space :wrap="true" :wrap-item="false">
diff --git a/frontend/src/components/sidebar/BrowserTree.vue b/frontend/src/components/sidebar/BrowserTree.vue
index 046b00f..4c8821a 100644
--- a/frontend/src/components/sidebar/BrowserTree.vue
+++ b/frontend/src/components/sidebar/BrowserTree.vue
@@ -565,7 +565,7 @@ watchEffect(
 )
 
 // the NTree node may get incorrect height after change data
-// add key property to force refresh the component and then everything back to normal
+// add key property for force refresh the component so that everything back to normal
 const treeKey = ref(0)
 defineExpose({
     handleSelectContextMenu,
diff --git a/frontend/src/langs/en-us.json b/frontend/src/langs/en-us.json
index 5b5ae6a..2f1b3cf 100644
--- a/frontend/src/langs/en-us.json
+++ b/frontend/src/langs/en-us.json
@@ -291,7 +291,6 @@
     "import": {
       "name": "Import Data",
       "import_expire_title": "Expiration",
-      "import_expire": "Import Expiration Time",
       "import": "Import",
       "reload": "Reload Keys After Imported",
       "open_csv_file": "Import File",
@@ -299,6 +298,9 @@
       "conflict_handle": "Key Conflict Resolution",
       "conflict_overwrite": "Overwrite",
       "conflict_ignore": "Ignore",
+      "ttl_include": "Import From File",
+      "ttl_ignore": "Do Not Set",
+      "ttl_custom": "Custom",
       "importing": "Importing Keys imported/overwrite:{imported} conflict/fail:{conflict}",
       "import_completed": "Import completed, {success} successes, {ignored} failed"
     },
diff --git a/frontend/src/langs/zh-cn.json b/frontend/src/langs/zh-cn.json
index e040aca..e10b2d3 100644
--- a/frontend/src/langs/zh-cn.json
+++ b/frontend/src/langs/zh-cn.json
@@ -291,7 +291,6 @@
     "import": {
       "name": "导入数据",
       "import_expire_title": "过期时间",
-      "import_expire": "包含键过期时间",
       "reload": "导入完成后重新载入",
       "import": "确认导入",
       "open_csv_file": "导入文件路径",
@@ -299,6 +298,9 @@
       "conflict_handle": "键冲突处理",
       "conflict_overwrite": "覆盖",
       "conflict_ignore": "忽略",
+      "ttl_include": "尝试导入",
+      "ttl_ignore": "不设置",
+      "ttl_custom": "自定义",
       "importing": "正在导入数据 已导入/覆盖:{imported} 冲突/失败:{conflict}",
       "import_completed": "已完成导入操作，成功{success}个，忽略{ignored}个"
     },
diff --git a/frontend/src/stores/browser.js b/frontend/src/stores/browser.js
index a7d7031..61da84e 100644
--- a/frontend/src/stores/browser.js
+++ b/frontend/src/stores/browser.js
@@ -1738,11 +1738,11 @@ const useBrowserStore = defineStore('browser', {
          * @param {number} db
          * @param {string} path
          * @param {number} conflict
-         * @param {boolean} [expire]
+         * @param {number} [ttl] <0:use previous; ==0: persist; >0: custom ttl
          * @param {boolean} [reload]
          * @return {Promise<void>}
          */
-        async importKeysFromCSVFile(server, db, path, conflict, expire, reload) {
+        async importKeysFromCSVFile(server, db, path, conflict, ttl, reload) {
             const msgRef = $message.loading('', { duration: 0, closable: true })
             let imported = 0
             let ignored = 0
@@ -1760,7 +1760,7 @@ const useBrowserStore = defineStore('browser', {
                 msgRef.onClose = () => {
                     EventsEmit('import:stop:' + path)
                 }
-                const { data, success, msg } = await ImportCSV(server, db, path, conflict, expire)
+                const { data, success, msg } = await ImportCSV(server, db, path, conflict, ttl)
                 if (success) {
                     canceled = get(data, 'canceled', false)
                     imported = get(data, 'imported', 0)
diff --git a/frontend/src/stores/tab.js b/frontend/src/stores/tab.js
index 0da647d..19ad166 100644
--- a/frontend/src/stores/tab.js
+++ b/frontend/src/stores/tab.js
@@ -674,7 +674,7 @@ const useTabStore = defineStore('tab', {
          * @param {string} server
          * @param {CheckedKey[]} [keys]
          */
-        setCheckedKeys(server, keys) {
+        setCheckedKeys(server, keys = null) {
             let tab = find(this.tabList, { name: server })
             if (tab != null) {
                 if (isEmpty(keys)) {