diff --git a/frontend/src/components/dialogs/ConnectionDialog.vue b/frontend/src/components/dialogs/ConnectionDialog.vue
index 9be5fa5..cb8fb81 100644
--- a/frontend/src/components/dialogs/ConnectionDialog.vue
+++ b/frontend/src/components/dialogs/ConnectionDialog.vue
@@ -3,7 +3,7 @@ import { every, get, includes, isEmpty, map } from 'lodash'
 import { computed, nextTick, ref, watch } from 'vue'
 import { useI18n } from 'vue-i18n'
 import { TestConnection } from 'wailsjs/go/services/connectionService.js'
-import useDialog from 'stores/dialog'
+import useDialog, { ConnDialogType } from 'stores/dialog'
 import Close from '@/components/icons/Close.vue'
 import useConnectionStore from 'stores/connections.js'
 
@@ -36,7 +36,7 @@ const generalFormRules = () => {
         keySeparator: { required: true, message: requiredMsg, trigger: 'input' },
     }
 }
-const isEditMode = computed(() => !isEmpty(editName.value))
+const isEditMode = computed(() => dialogStore.connType === ConnDialogType.EDIT)
 const closingConnection = computed(() => {
     if (isEmpty(editName.value)) {
         return false
@@ -133,11 +133,7 @@ const onTestConnection = async () => {
 }
 
 const onClose = () => {
-    if (isEditMode.value) {
-        dialogStore.closeEditDialog()
-    } else {
-        dialogStore.closeNewDialog()
-    }
+    dialogStore.closeConnDialog()
 }
 </script>
 
diff --git a/frontend/src/components/sidebar/ConnectionTree.vue b/frontend/src/components/sidebar/ConnectionTree.vue
index 40503b7..ffd60a0 100644
--- a/frontend/src/components/sidebar/ConnectionTree.vue
+++ b/frontend/src/components/sidebar/ConnectionTree.vue
@@ -73,16 +73,16 @@ const menuOptions = {
                     label: i18n.t('interface.disconnect'),
                     icon: renderIcon(Unlink),
                 },
-                {
-                    key: 'server_dup',
-                    label: i18n.t('interface.dup_conn'),
-                    icon: renderIcon(CopyLink),
-                },
                 {
                     key: 'server_edit',
                     label: i18n.t('interface.edit_conn'),
                     icon: renderIcon(Config),
                 },
+                {
+                    key: 'server_dup',
+                    label: i18n.t('interface.dup_conn'),
+                    icon: renderIcon(CopyLink),
+                },
                 {
                     type: 'divider',
                     key: 'd1',
@@ -105,6 +105,11 @@ const menuOptions = {
                     label: i18n.t('interface.edit_conn'),
                     icon: renderIcon(Config),
                 },
+                {
+                    key: 'server_dup',
+                    label: i18n.t('interface.dup_conn'),
+                    icon: renderIcon(CopyLink),
+                },
                 {
                     type: 'divider',
                     key: 'd1',
@@ -387,6 +392,9 @@ const handleSelectContextMenu = (key) => {
                 dialogStore.openEditDialog(name)
             }
             break
+        case 'server_dup':
+            dialogStore.openDuplicateDialog(name)
+            break
         case 'server_remove':
             removeConnection(name)
             break
diff --git a/frontend/src/consts/connection_type.js b/frontend/src/consts/connection_type.js
index 6385a7b..844f135 100644
--- a/frontend/src/consts/connection_type.js
+++ b/frontend/src/consts/connection_type.js
@@ -1,3 +1,7 @@
+/**
+ * all types of connection item
+ * @enum {number}
+ */
 export const ConnectionType = {
     Group: 0,
     Server: 1,
diff --git a/frontend/src/consts/support_redis_type.js b/frontend/src/consts/support_redis_type.js
index 99e60fc..5786b42 100644
--- a/frontend/src/consts/support_redis_type.js
+++ b/frontend/src/consts/support_redis_type.js
@@ -1,3 +1,7 @@
+/**
+ * all redis type
+ * @enum {string}
+ */
 export const types = {
     STRING: 'STRING',
     HASH: 'HASH',
@@ -7,6 +11,10 @@ export const types = {
     STREAM: 'STREAM',
 }
 
+/**
+ * mark color for redis type
+ * @enum {string}
+ */
 export const typesColor = {
     [types.STRING]: '#8256DC',
     [types.HASH]: '#0171F5',
@@ -16,6 +24,10 @@ export const typesColor = {
     [types.STREAM]: '#F5C201',
 }
 
+/**
+ * background mark color for redis type
+ * @enum {string}
+ */
 export const typesBgColor = {
     [types.STRING]: '#F2EDFB',
     [types.HASH]: '#E4F0FC',
diff --git a/frontend/src/consts/value_view_type.js b/frontend/src/consts/value_view_type.js
index 1095ee4..bcc0582 100644
--- a/frontend/src/consts/value_view_type.js
+++ b/frontend/src/consts/value_view_type.js
@@ -1,3 +1,7 @@
+/**
+ * string view mode
+ * @enum {string}
+ */
 export const types = {
     PLAIN_TEXT: 'Plain Text',
     JSON: 'JSON',
diff --git a/frontend/src/stores/dialog.js b/frontend/src/stores/dialog.js
index c05ea64..5254546 100644
--- a/frontend/src/stores/dialog.js
+++ b/frontend/src/stores/dialog.js
@@ -1,9 +1,20 @@
 import { defineStore } from 'pinia'
 import useConnectionStore from './connections.js'
 
+/**
+ * connection dialog type
+ * @enum {number}
+ */
+export const ConnDialogType = {
+    NEW: 0,
+    EDIT: 1,
+}
+
 const useDialogStore = defineStore('dialog', {
     state: () => ({
         connDialogVisible: false,
+        /** @type {ConnDialogType} **/
+        connType: ConnDialogType.NEW,
         connParam: null,
 
         groupDialogVisible: false,
@@ -59,9 +70,10 @@ const useDialogStore = defineStore('dialog', {
     actions: {
         openNewDialog() {
             this.connParam = null
+            this.connType = ConnDialogType.NEW
             this.connDialogVisible = true
         },
-        closeNewDialog() {
+        closeConnDialog() {
             this.connDialogVisible = false
         },
 
@@ -69,10 +81,21 @@ const useDialogStore = defineStore('dialog', {
             const connStore = useConnectionStore()
             const profile = await connStore.getConnectionProfile(name)
             this.connParam = profile || connStore.newDefaultConnection(name)
+            this.connType = ConnDialogType.EDIT
             this.connDialogVisible = true
         },
-        closeEditDialog() {
-            this.connDialogVisible = false
+
+        async openDuplicateDialog(name) {
+            const connStore = useConnectionStore()
+            const profile = await connStore.getConnectionProfile(name)
+            if (profile != null) {
+                profile.name += '2'
+                this.connParam = profile
+            } else {
+                this.connParam = connStore.newDefaultConnection(name)
+            }
+            this.connType = ConnDialogType.NEW
+            this.connDialogVisible = true
         },
 
         openNewGroupDialog() {