diff --git a/backend/services/browser_service.go b/backend/services/browser_service.go
index 907cbd6..683b7fa 100644
--- a/backend/services/browser_service.go
+++ b/backend/services/browser_service.go
@@ -516,6 +516,35 @@ func (b *browserService) LoadAllKeys(connName string, db int, match, keyType str
 	return
 }
 
+func (b *browserService) GetKeyType(param types.KeySummaryParam) (resp types.JSResp) {
+	item, err := b.getRedisClient(param.Server, param.DB)
+	if err != nil {
+		resp.Msg = err.Error()
+		return
+	}
+
+	client, ctx := item.client, item.ctx
+	key := strutil.DecodeRedisKey(param.Key)
+	var keyType string
+	keyType, err = client.Type(ctx, key).Result()
+	if err != nil {
+		resp.Msg = err.Error()
+		return
+	}
+
+	if keyType == "none" {
+		resp.Msg = "key not exists"
+		return
+	}
+
+	var data types.KeySummary
+	data.Type = strings.ToLower(keyType)
+
+	resp.Success = true
+	resp.Data = data
+	return
+}
+
 // GetKeySummary get key summary info
 func (b *browserService) GetKeySummary(param types.KeySummaryParam) (resp types.JSResp) {
 	item, err := b.getRedisClient(param.Server, param.DB)
diff --git a/backend/types/js_resp.go b/backend/types/js_resp.go
index ceb4e8a..3e5ef09 100644
--- a/backend/types/js_resp.go
+++ b/backend/types/js_resp.go
@@ -14,9 +14,9 @@ type KeySummaryParam struct {
 
 type KeySummary struct {
 	Type   string `json:"type"`
-	TTL    int64  `json:"ttl"`
-	Size   int64  `json:"size"`
-	Length int64  `json:"length"`
+	TTL    int64  `json:"ttl,omitempty"`
+	Size   int64  `json:"size,omitempty"`
+	Length int64  `json:"length,omitempty"`
 }
 
 type KeyDetailParam struct {
diff --git a/frontend/src/AppContent.vue b/frontend/src/AppContent.vue
index d3d6093..1f7faf9 100644
--- a/frontend/src/AppContent.vue
+++ b/frontend/src/AppContent.vue
@@ -2,7 +2,7 @@
 import ContentPane from './components/content/ContentPane.vue'
 import BrowserPane from './components/sidebar/BrowserPane.vue'
 import { computed, onMounted, reactive, ref, watch } from 'vue'
-import { debounce, get } from 'lodash'
+import { debounce } from 'lodash'
 import { useThemeVars } from 'naive-ui'
 import Ribbon from './components/sidebar/Ribbon.vue'
 import ConnectionPane from './components/sidebar/ConnectionPane.vue'
@@ -139,7 +139,7 @@ onMounted(async () => {
                         <div style="min-width: 68px; font-weight: 800">Tiny RDM</div>
                         <transition name="fade">
                             <n-text v-if="tabStore.nav === 'browser'" class="ellipsis" strong style="font-size: 13px">
-                                - {{ get(tabStore.currentTab, 'name') }}
+                                - {{ tabStore.currentTabName }}
                             </n-text>
                         </transition>
                     </n-space>
@@ -174,13 +174,15 @@ onMounted(async () => {
                         @update:size="handleResize">
                         <browser-pane
                             v-for="t in tabStore.tabs"
-                            v-show="get(tabStore.currentTab, 'name') === t.name"
+                            v-show="tabStore.currentTabName === t.name"
                             :key="t.name"
+                            :db="t.db"
+                            :server="t.name"
                             class="app-side flex-item-expand" />
                     </resizeable-wrapper>
                     <content-pane
                         v-for="t in tabStore.tabs"
-                        v-show="get(tabStore.currentTab, 'name') === t.name"
+                        v-show="tabStore.currentTabName === t.name"
                         :key="t.name"
                         :server="t.name"
                         class="flex-item-expand" />
diff --git a/frontend/src/components/common/RedisTypeSelector.vue b/frontend/src/components/common/RedisTypeSelector.vue
index c6abe5d..718cf9a 100644
--- a/frontend/src/components/common/RedisTypeSelector.vue
+++ b/frontend/src/components/common/RedisTypeSelector.vue
@@ -3,6 +3,7 @@ import { computed, h } from 'vue'
 import { useThemeVars } from 'naive-ui'
 import { types, typesBgColor, typesColor } from '@/consts/support_redis_type.js'
 import { get, map, toUpper } from 'lodash'
+import RedisTypeTag from '@/components/common/RedisTypeTag.vue'
 
 const props = defineProps({
     value: {
@@ -23,15 +24,24 @@ const options = computed(() => {
 
 const themeVars = useThemeVars()
 const renderIcon = (option) => {
-    if (option.key === props.value) {
-        const backgroundColor = get(typesColor, option.key, themeVars.value.textColor3)
-        return h('div', { style: { borderRadius: '999px', width: '10px', height: '10px', backgroundColor } }, '')
-    }
+    return h(RedisTypeTag, {
+        type: option.key,
+        short: true,
+        size: 'small',
+        inverse: option.key === props.value,
+    })
 }
 
 const renderLabel = (option) => {
-    const color = get(typesColor, option.key, '')
-    return h('div', { style: { color, fontWeight: '450' } }, option.label)
+    return h(
+        'div',
+        {
+            style: {
+                fontWeight: option.key === props.value ? 'bold' : 'normal',
+            },
+        },
+        option.label,
+    )
 }
 
 const fontColor = computed(() => {
diff --git a/frontend/src/components/common/RedisTypeTag.vue b/frontend/src/components/common/RedisTypeTag.vue
index eb9573d..1862c56 100644
--- a/frontend/src/components/common/RedisTypeTag.vue
+++ b/frontend/src/components/common/RedisTypeTag.vue
@@ -1,45 +1,69 @@
 <script setup>
 import { computed } from 'vue'
-import { typesBgColor, typesColor, validType } from '@/consts/support_redis_type.js'
+import { typesBgColor, typesColor, typesShortName } from '@/consts/support_redis_type.js'
 import Binary from '@/components/icons/Binary.vue'
+import { toUpper } from 'lodash'
 
 const props = defineProps({
     type: {
         type: String,
-        validator(value) {
-            return validType(value)
-        },
         default: 'STRING',
     },
     binaryKey: Boolean,
     size: String,
+    short: Boolean,
+    round: Boolean,
+    inverse: Boolean,
 })
 
 const fontColor = computed(() => {
-    return typesColor[props.type]
+    if (props.inverse) {
+        return typesBgColor[props.type]
+    } else {
+        return typesColor[props.type]
+    }
 })
 
 const backgroundColor = computed(() => {
-    return typesBgColor[props.type]
+    if (props.inverse) {
+        return typesColor[props.type]
+    } else {
+        return typesBgColor[props.type]
+    }
+})
+
+const label = computed(() => {
+    if (props.short) {
+        return typesShortName[toUpper(props.type)] || 'N'
+    }
+    return toUpper(props.type)
 })
 </script>
 
 <template>
     <n-tag
-        :class="[props.size === 'small' ? 'redis-type-tag-small' : 'redis-type-tag']"
+        :class="{
+            'redis-type-tag-normal': !props.short && props.size !== 'small',
+            'redis-type-tag-small': !props.short && props.size === 'small',
+            'redis-type-tag-round': props.round,
+        }"
         :color="{ color: backgroundColor, textColor: fontColor }"
         :size="props.size"
+        bordered
         strong>
-        {{ props.type }}
+        <b>{{ label }}</b>
         <template #icon>
             <n-icon v-if="binaryKey" :component="Binary" size="18" />
         </template>
     </n-tag>
-    <!--  <div class="redis-type-tag flex-box-h" :style="{backgroundColor: backgroundColor}">{{ props.type }}</div>-->
 </template>
 
 <style lang="scss">
-.redis-type-tag {
+.redis-type-tag-round {
+    border-radius: 9999px;
+}
+
+.redis-type-tag-normal {
     padding: 0 12px;
 }
 
diff --git a/frontend/src/components/dialogs/NewKeyDialog.vue b/frontend/src/components/dialogs/NewKeyDialog.vue
index 4102c17..4520ce0 100644
--- a/frontend/src/components/dialogs/NewKeyDialog.vue
+++ b/frontend/src/components/dialogs/NewKeyDialog.vue
@@ -87,7 +87,7 @@ const renderTypeLabel = (option) => {
             default: () => [
                 h('div', {
                     style: {
-                        borderRadius: '50%',
+                        borderRadius: '9999px',
                         backgroundColor: typesColor[option.value],
                         width: '13px',
                         height: '13px',
diff --git a/frontend/src/components/sidebar/BrowserPane.vue b/frontend/src/components/sidebar/BrowserPane.vue
index a8f97d8..7c54dbf 100644
--- a/frontend/src/components/sidebar/BrowserPane.vue
+++ b/frontend/src/components/sidebar/BrowserPane.vue
@@ -3,8 +3,8 @@ import { useThemeVars } from 'naive-ui'
 import BrowserTree from './BrowserTree.vue'
 import IconButton from '@/components/common/IconButton.vue'
 import useTabStore from 'stores/tab.js'
-import { computed, nextTick, onMounted, reactive, ref, unref, watch } from 'vue'
-import { find, get, map } from 'lodash'
+import { computed, nextTick, onMounted, reactive, ref, unref } from 'vue'
+import { find, map } from 'lodash'
 import Refresh from '@/components/icons/Refresh.vue'
 import useDialogStore from 'stores/dialog.js'
 import { useI18n } from 'vue-i18n'
@@ -24,6 +24,16 @@ import ListCheckbox from '@/components/icons/ListCheckbox.vue'
 import Close from '@/components/icons/Close.vue'
 import More from '@/components/icons/More.vue'
 
+const props = defineProps({
+    server: String,
+    db: {
+        type: Number,
+        default: 0,
+    },
+})
+
+const emit = defineEmits(['update:db'])
+
 const themeVars = useThemeVars()
 const i18n = useI18n()
 const dialogStore = useDialogStore()
@@ -32,21 +42,16 @@ const tabStore = useTabStore()
 const browserStore = useBrowserStore()
 const connectionStore = useConnectionStore()
 const render = useRender()
-const currentName = computed(() => get(tabStore.currentTab, 'name', ''))
 const browserTreeRef = ref(null)
 const loading = ref(false)
 const fullyLoaded = ref(false)
 const inCheckState = ref(false)
 const checkedCount = ref(0)
 
-const selectedDB = computed(() => {
-    return browserStore.selectedDatabases[currentName.value] || 0
-})
-
 const dbSelectOptions = computed(() => {
-    const dblist = browserStore.getDBList(currentName.value)
+    const dblist = browserStore.getDBList(props.server)
     return map(dblist, (db) => {
-        if (selectedDB.value === db.db) {
+        if (props.db === db.db) {
             return {
                 value: db.db,
                 label: `db${db.db} (${db.keys}/${db.maxKeys})`,
@@ -71,7 +76,7 @@ const moreOptions = computed(() => {
 })
 
 const loadProgress = computed(() => {
-    const db = browserStore.getDatabase(currentName.value, selectedDB.value)
+    const db = browserStore.getDatabase(props.server, props.db)
     if (db.maxKeys <= 0) {
         return 100
     }
@@ -79,29 +84,29 @@ const loadProgress = computed(() => {
 })
 
 const checkedTip = computed(() => {
-    const dblist = browserStore.getDBList(currentName.value)
-    const db = find(dblist, { db: selectedDB.value })
+    const dblist = browserStore.getDBList(props.server)
+    const db = find(dblist, { db: props.db })
     return `${checkedCount.value} / ${db.maxKeys}`
 })
 
 const onReload = async () => {
     try {
         loading.value = true
-        tabStore.setSelectedKeys(currentName.value)
-        const db = selectedDB.value
-        browserStore.closeDatabase(currentName.value, db)
-        browserTreeRef.value?.resetExpandKey(currentName.value, db)
+        tabStore.setSelectedKeys(props.server)
+        const db = props.db
+        browserStore.closeDatabase(props.server, db)
+        browserTreeRef.value?.resetExpandKey(props.server, db)
 
         let matchType = unref(filterForm.type)
         if (!types.hasOwnProperty(matchType)) {
             matchType = ''
         }
-        browserStore.setKeyFilter(currentName.value, {
+        browserStore.setKeyFilter(props.server, {
             type: matchType,
             pattern: unref(filterForm.pattern),
         })
-        await browserStore.openDatabase(currentName.value, db)
-        fullyLoaded.value = await browserStore.loadMoreKeys(currentName.value, db)
+        await browserStore.openDatabase(props.server, db)
+        fullyLoaded.value = await browserStore.loadMoreKeys(props.server, db)
         // $message.success(i18n.t('dialogue.reload_succ'))
     } catch (e) {
         console.warn(e)
@@ -111,13 +116,13 @@ const onReload = async () => {
 }
 
 const onAddKey = () => {
-    dialogStore.openNewKeyDialog('', currentName.value, selectedDB.value)
+    dialogStore.openNewKeyDialog('', props.server, props.db)
 }
 
 const onLoadMore = async () => {
     try {
         loading.value = true
-        fullyLoaded.value = await browserStore.loadMoreKeys(currentName.value, selectedDB.value)
+        fullyLoaded.value = await browserStore.loadMoreKeys(props.server, props.db)
     } catch (e) {
         $message.error(e.message)
     } finally {
@@ -128,7 +133,7 @@ const onLoadMore = async () => {
 const onLoadAll = async () => {
     try {
         loading.value = true
-        await browserStore.loadAllKeys(currentName.value, selectedDB.value)
+        await browserStore.loadAllKeys(props.server, props.db)
         fullyLoaded.value = true
     } catch (e) {
         $message.error(e.message)
@@ -142,15 +147,31 @@ const onDeleteChecked = () => {
 }
 
 const onFlush = () => {
-    dialogStore.openFlushDBDialog(currentName.value, selectedDB.value)
+    dialogStore.openFlushDBDialog(props.server, props.db)
 }
 
 const onDisconnect = () => {
-    browserStore.closeConnection(currentName.value)
+    browserStore.closeConnection(props.server)
 }
 
-const handleSelectDB = async (db, prevDB) => {
-    // watch 'browserStore.openedDB[currentName.value]' instead
+const handleSelectDB = async (db) => {
+    try {
+        loading.value = true
+        browserStore.closeDatabase(props.server, props.db)
+        browserStore.setKeyFilter(props.server, {})
+        await browserStore.openDatabase(props.server, db)
+        // browserTreeRef.value?.resetExpandKey(props.server, db)
+        fullyLoaded.value = await browserStore.loadMoreKeys(props.server, db)
+        browserTreeRef.value?.refreshTree()
+
+        nextTick().then(() => connectionStore.saveLastDB(props.server, db))
+    } catch (e) {
+        $message.error(e.message)
+    } finally {
+        loading.value = false
+        // emit('update:db', db)
+        // tabStore.switchTab()
+    }
 }
 
 const filterForm = reactive({
@@ -183,30 +204,30 @@ const onSelectOptions = (select) => {
     }
 }
 
-watch(
-    () => browserStore.openedDB[currentName.value],
-    async (db, prevDB) => {
-        if (db === undefined) {
-            return
-        }
-
-        try {
-            loading.value = true
-            browserStore.closeDatabase(currentName.value, prevDB)
-            browserStore.setKeyFilter(currentName.value, {})
-            await browserStore.openDatabase(currentName.value, db)
-            // browserTreeRef.value?.resetExpandKey(currentName.value, db)
-            fullyLoaded.value = await browserStore.loadMoreKeys(currentName.value, db)
-            browserTreeRef.value?.refreshTree()
-
-            nextTick().then(() => connectionStore.saveLastDB(currentName.value, db))
-        } catch (e) {
-            $message.error(e.message)
-        } finally {
-            loading.value = false
-        }
-    },
-)
+// watch(
+//     () => props.db,
+//     async (db, prevDB) => {
+//         if (db === undefined) {
+//             return
+//         }
+//
+//         try {
+//             loading.value = true
+//             browserStore.closeDatabase(props.server, prevDB)
+//             browserStore.setKeyFilter(props.server, {})
+//             await browserStore.openDatabase(props.server, db)
+//             // browserTreeRef.value?.resetExpandKey(props.server, db)
+//             fullyLoaded.value = await browserStore.loadMoreKeys(props.server, db)
+//             browserTreeRef.value?.refreshTree()
+//
+//             nextTick().then(() => connectionStore.saveLastDB(props.server, db))
+//         } catch (e) {
+//             $message.error(e.message)
+//         } finally {
+//             loading.value = false
+//         }
+//     },
+// )
 
 onMounted(() => onReload())
 // forbid dynamic switch key view due to performance issues
@@ -271,11 +292,11 @@ onMounted(() => onReload())
             ref="browserTreeRef"
             v-model:checked-count="checkedCount"
             :check-mode="inCheckState"
-            :db="browserStore.openedDB[currentName]"
+            :db="props.db"
             :full-loaded="fullyLoaded"
             :loading="loading && loadProgress <= 0"
             :pattern="filterForm.filter"
-            :server="currentName" />
+            :server="props.server" />
         <!-- bottom function bar -->
         <div class="nav-pane-bottom flex-box-v">
             <!--            <switch-button-->
@@ -288,7 +309,7 @@ onMounted(() => onReload())
             <transition mode="out-in" name="fade">
                 <div v-if="!inCheckState" class="flex-box-h nav-pane-func">
                     <n-select
-                        v-model:value="browserStore.openedDB[currentName]"
+                        :value="props.db"
                         :consistent-menu-width="false"
                         :filter="(pattern, option) => option.value.toString() === pattern"
                         :options="dbSelectOptions"
@@ -372,16 +393,6 @@ onMounted(() => onReload())
     border-color: #0000;
 }
 
-.fade-enter-active,
-.fade-leave-active {
-    transition: opacity 0.3s ease;
-}
-
-.fade-enter-from,
-.fade-leave-to {
-    opacity: 0;
-}
-
 .nav-pane-top {
     //@include bottom-shadow(0.1);
     color: v-bind('themeVars.iconColor');
diff --git a/frontend/src/components/sidebar/BrowserTree.vue b/frontend/src/components/sidebar/BrowserTree.vue
index e0abede..5f1acd4 100644
--- a/frontend/src/components/sidebar/BrowserTree.vue
+++ b/frontend/src/components/sidebar/BrowserTree.vue
@@ -5,7 +5,7 @@ import { NIcon, NSpace, useThemeVars } from 'naive-ui'
 import Key from '@/components/icons/Key.vue'
 import Binary from '@/components/icons/Binary.vue'
 import Database from '@/components/icons/Database.vue'
-import { filter, find, get, includes, indexOf, isEmpty, map, remove, size, startsWith } from 'lodash'
+import { filter, find, get, includes, indexOf, isEmpty, map, remove, size, startsWith, toUpper } from 'lodash'
 import { useI18n } from 'vue-i18n'
 import Refresh from '@/components/icons/Refresh.vue'
 import CopyLink from '@/components/icons/CopyLink.vue'
@@ -23,6 +23,7 @@ import LoadList from '@/components/icons/LoadList.vue'
 import LoadAll from '@/components/icons/LoadAll.vue'
 import useBrowserStore from 'stores/browser.js'
 import { useRender } from '@/utils/render.js'
+import RedisTypeTag from '@/components/common/RedisTypeTag.vue'
 
 const props = defineProps({
     server: String,
@@ -364,13 +365,28 @@ const renderPrefix = ({ option }) => {
                 },
             )
         case ConnectionType.RedisValue:
-            return h(
-                NIcon,
-                { size: 20 },
-                {
-                    default: () => h(!!option.redisKeyCode ? Binary : Key),
-                },
-            )
+            if (option.redisType == null || option.redisType === 'loading') {
+                browserStore.loadKeyType({
+                    server: props.server,
+                    db: option.db,
+                    key: option.redisKey,
+                    keyCode: option.redisKeyCode,
+                })
+                // in loading
+                return h(
+                    NIcon,
+                    { size: 20 },
+                    {
+                        default: () => h(!!option.redisKeyCode ? Binary : Key),
+                    },
+                )
+            }
+            return h(RedisTypeTag, {
+                type: toUpper(option.redisType),
+                short: true,
+                size: 'small',
+                inverse: includes(selectedKeys.value, option.key),
+            })
     }
 }
 
diff --git a/frontend/src/consts/support_redis_type.js b/frontend/src/consts/support_redis_type.js
index bcfb2bb..fd1731e 100644
--- a/frontend/src/consts/support_redis_type.js
+++ b/frontend/src/consts/support_redis_type.js
@@ -11,6 +11,15 @@ export const types = {
     STREAM: 'STREAM',
 }
 
+export const typesShortName = {
+    STRING: 'S',
+    HASH: 'H',
+    LIST: 'L',
+    SET: 'S',
+    ZSET: 'Z',
+    STREAM: 'X',
+}
+
 /**
  * mark color for redis types
  * @enum {string}
diff --git a/frontend/src/stores/browser.js b/frontend/src/stores/browser.js
index a0c3a0b..d7bd404 100644
--- a/frontend/src/stores/browser.js
+++ b/frontend/src/stores/browser.js
@@ -30,6 +30,7 @@ import {
     GetCmdHistory,
     GetKeyDetail,
     GetKeySummary,
+    GetKeyType,
     GetSlowLogs,
     LoadAllKeys,
     LoadNextKeys,
@@ -72,6 +73,7 @@ const useBrowserStore = defineStore('browser', {
      * @property {boolean} [opened] - redis db is opened, type == ConnectionType.RedisDB only
      * @property {boolean} [expanded] - current node is expanded
      * @property {DatabaseItem[]} [children]
+     * @property {string} [redisType] - redis type name, 'loading' indicate that is in loading progress
      */
 
     /**
@@ -339,6 +341,7 @@ const useBrowserStore = defineStore('browser', {
 
             selDB.opened = true
             selDB.maxKeys = maxKeys
+            this.openedDB[server] = db
             set(this.loadingState, 'fullLoaded', end)
             if (isEmpty(keys)) {
                 selDB.children = []
@@ -465,6 +468,29 @@ const useBrowserStore = defineStore('browser', {
             }
         },
 
+        /**
+         * load key type
+         * @param {string} server
+         * @param {number} db
+         * @param {string} key
+         * @param {number[]} keyCode
+         * @return {Promise<void>}
+         */
+        async loadKeyType({ server, db, key, keyCode }) {
+            try {
+                const nodeMap = this._getNodeMap(server, db)
+                const node = nodeMap.get(`${ConnectionType.RedisValue}/${key}`)
+                if (node == null || node.redisType != null) {
+                    return
+                }
+                node.redisType = 'loading'
+                const { data } = await GetKeyType({ server, db, key: keyCode || key })
+                const { type } = data || {}
+                node.redisType = type
+            } finally {
+            }
+        },
+
         /**
          * reload key
          * @param {string} server
@@ -752,6 +778,7 @@ const useBrowserStore = defineStore('browser', {
                         keys: 0,
                         redisKey: k,
                         redisKeyCode: isBinaryKey ? key : undefined,
+                        redisKeyType: undefined,
                         type: ConnectionType.RedisValue,
                         isLeaf: true,
                     }
@@ -818,6 +845,7 @@ const useBrowserStore = defineStore('browser', {
                                 keys: 0,
                                 redisKey: handlePath,
                                 redisKeyCode: isBinaryKey ? key : undefined,
+                                redisKeyType: undefined,
                                 type: ConnectionType.RedisValue,
                                 isLeaf: true,
                             }
diff --git a/frontend/src/stores/tab.js b/frontend/src/stores/tab.js
index 14b37ef..8120564 100644
--- a/frontend/src/stores/tab.js
+++ b/frontend/src/stores/tab.js
@@ -119,6 +119,10 @@ const useTabStore = defineStore('tab', {
             // return current
         },
 
+        currentTabName() {
+            return get(this.tabs, [this.activatedIndex, 'name'])
+        },
+
         currentSelectedKeys() {
             const tab = this.currentTab()
             return get(tab, 'selectedKeys', [])
diff --git a/frontend/src/styles/style.scss b/frontend/src/styles/style.scss
index 38e5e60..6047fc7 100644
--- a/frontend/src/styles/style.scss
+++ b/frontend/src/styles/style.scss
@@ -157,3 +157,14 @@ body {
 .n-tabs .n-tabs-nav {
   line-height: 1.3;
 }
+
+// animations
+.fade-enter-active,
+.fade-leave-active {
+  transition: opacity 0.3s ease;
+}
+
+.fade-enter-from,
+.fade-leave-to {
+  opacity: 0;
+}