diff --git a/backend/services/connection_service.go b/backend/services/connection_service.go
index cb08ba1..89ad6b6 100644
--- a/backend/services/connection_service.go
+++ b/backend/services/connection_service.go
@@ -12,7 +12,6 @@ import (
 	. "tinyrdm/backend/storage"
 	"tinyrdm/backend/types"
 	maputil "tinyrdm/backend/utils/map"
-	mathutil "tinyrdm/backend/utils/math"
 	redis2 "tinyrdm/backend/utils/redis"
 )
 
@@ -1049,7 +1048,7 @@ func (c *connectionService) GetCmdHistory(pageNo, pageSize int) (resp types.JSRe
 	} else {
 		total := len(c.cmdHistory)
 		startIndex := total / pageSize * (pageNo - 1)
-		endIndex := mathutil.Min(startIndex+pageSize, total)
+		endIndex := min(startIndex+pageSize, total)
 		resp.Data = map[string]any{
 			"list":     c.cmdHistory[startIndex:endIndex],
 			"pageNo":   pageNo,
diff --git a/backend/utils/math/math_util.go b/backend/utils/math/math_util.go
index b250dcf..d6848d2 100644
--- a/backend/utils/math/math_util.go
+++ b/backend/utils/math/math_util.go
@@ -20,11 +20,6 @@ func MaxWithIndex[T Hashable](items ...T) (T, int) {
 	return items[selIndex], selIndex
 }
 
-func Max[T Hashable](items ...T) T {
-	val, _ := MaxWithIndex(items...)
-	return val
-}
-
 // MinWithIndex 查找所有元素中的最小值
 func MinWithIndex[T Hashable](items ...T) (T, int) {
 	selIndex := -1
@@ -40,11 +35,6 @@ func MinWithIndex[T Hashable](items ...T) (T, int) {
 	return items[selIndex], selIndex
 }
 
-func Min[T Hashable](items ...T) T {
-	val, _ := MinWithIndex(items...)
-	return val
-}
-
 // Clamp 返回限制在minVal和maxVal范围内的value
 func Clamp[T Hashable](value T, minVal T, maxVal T) T {
 	if minVal > maxVal {
diff --git a/frontend/src/components/dialogs/PreferencesDialog.vue b/frontend/src/components/dialogs/PreferencesDialog.vue
index 843b6ae..efff4ca 100644
--- a/frontend/src/components/dialogs/PreferencesDialog.vue
+++ b/frontend/src/components/dialogs/PreferencesDialog.vue
@@ -1,5 +1,5 @@
 <script setup>
-import { ref, watch } from 'vue'
+import { ref, watch, nextTick } from 'vue'
 import { useI18n } from 'vue-i18n'
 import useDialog from 'stores/dialog'
 import usePreferencesStore from 'stores/preferences.js'
@@ -34,7 +34,7 @@ watch(
     () => dialogStore.preferencesDialogVisible,
     (visible) => {
         if (visible) {
-            nextTick().then(async () => initPreferences())
+            nextTick().then(initPreferences)
         }
     },
 )