diff --git a/frontend/src/components/sidebar/ConnectionTree.vue b/frontend/src/components/sidebar/ConnectionTree.vue
index 58244c4..c95ad71 100644
--- a/frontend/src/components/sidebar/ConnectionTree.vue
+++ b/frontend/src/components/sidebar/ConnectionTree.vue
@@ -145,7 +145,7 @@ const renderPrefix = ({ option }) => {
                 NIcon,
                 { size: 20 },
                 {
-                    default: () => h(ToggleServer, { modelValue: !!connecte }),
+                    default: () => h(ToggleServer, { modelValue: !!connected }),
                 }
             )
     }
@@ -166,10 +166,12 @@ const onUpdateSelectedKeys = (keys, option, meta) => {
  */
 const openConnection = async (name) => {
     try {
-        openingConnection.value = true
-        await connectionStore.openConnection(name)
+        if (!connectionStore.isConnected(name)) {
+            openingConnection.value = true
+            await connectionStore.openConnection(name)
+        }
         tabStore.upsertTab({
-            server: name,
+            server: nam,
         })
     } catch (e) {
         message.error(e.message)
diff --git a/frontend/src/components/sidebar/DatabaseTree.vue b/frontend/src/components/sidebar/DatabaseTree.vue
index d8a61f7..954c54a 100644
--- a/frontend/src/components/sidebar/DatabaseTree.vue
+++ b/frontend/src/components/sidebar/DatabaseTree.vue
@@ -168,7 +168,7 @@ const renderPrefix = ({ option }) => {
                 NIcon,
                 { size: 20 },
                 {
-                    default: () => h(ToggleDb, { modelValue: option.opened === true },
+                    default: () => h(ToggleDb, { modelValue: option.opened === true }),
                 }
             )
         case ConnectionType.RedisKey:
@@ -331,11 +331,11 @@ const handleOutsideContextMenu = () => {
         :data="connectionStore.databases[props.server] || []"
         :expand-on-click="false"
         :expanded-keys="expandedKeys"
+        :selected-keys="selectedKeys"
         :on-update:selected-keys="onUpdateSelectedKeys"
         :node-props="nodeProps"
         :on-load="onLoadTree"
         :on-update:expanded-keys="onUpdateExpanded"
-        :selected-keys="selectedKeys"
         :render-label="renderLabel"
         :render-prefix="renderPrefix"
         :render-suffix="renderSuffix"
diff --git a/frontend/src/stores/tab.js b/frontend/src/stores/tab.js
index 2e56015..bf3a787 100644
--- a/frontend/src/stores/tab.js
+++ b/frontend/src/stores/tab.js
@@ -109,7 +109,7 @@ const useTabStore = defineStore('tab', {
                     type,
                     ttl,
                     key,
-                    valu,
+                    value,
                 })
                 tabIndex = this.tabList.length - 1
             }