diff --git a/src/utils/formatTime.ts b/src/utils/formatTime.ts
index a13cfd6b0..ded65fe6d 100644
--- a/src/utils/formatTime.ts
+++ b/src/utils/formatTime.ts
@@ -66,10 +66,10 @@ export const defaultShortcuts = [
 export function formatDate(date: Date, format?: string): string {
   // 日期不存在，则返回空
   if (!date) {
-    return ''
+    return '';
   }
   // 日期存在，则进行格式化
-  return date ? dayjs(date).format((format?.includes("YYYY-mm-dd") ? format.replace("YYYY-mm-dd", "YYYY-MM-DD") : format) ?? 'YYYY-MM-DD HH:mm:ss') : ''
+  return date ? dayjs(date).format(format ?? 'YYYY-MM-DD HH:mm:ss') : '';
 }
 
 /**
diff --git a/src/views/mall/promotion/kefu/components/KeFuConversationList.vue b/src/views/mall/promotion/kefu/components/KeFuConversationList.vue
index 0a8ba1eab..0ff3d422a 100644
--- a/src/views/mall/promotion/kefu/components/KeFuConversationList.vue
+++ b/src/views/mall/promotion/kefu/components/KeFuConversationList.vue
@@ -23,7 +23,7 @@
           <div class="flex justify-between items-center w-100%">
             <span class="username">{{ item.userNickname }}</span>
             <span class="color-[var(--left-menu-text-color)]" style="font-size: 13px;">
-              {{ formatPast(item.lastMessageTime, 'YYYY-mm-dd') }}
+              {{ formatPast(item.lastMessageTime, 'YYYY-MM-DD') }}
             </span>
           </div>
           <!-- 最后聊天内容 -->