style: add translation for message search placeholder

client/shared/i18n/langs/en-US/translation.json

@@ -68,6 +68,7 @@
   "k32905632": "Unlimited invitation link",
   "k32ccc323": "Invitation code has expired",
   "k335c71bf": "OTP code cannot be empty",
+  "k3376f80c": "Please enter key words",
   "k34b5e3ab": "Send Message",
   "k34e357ee": "Group Summary",
   "k35abe359": "Lobby",

client/shared/i18n/langs/zh-CN/translation.json

@@ -68,6 +68,7 @@
   "k32905632": "不限时邀请链接",
   "k32ccc323": "邀请码已过期",
   "k335c71bf": "校验码不能为空",
+  "k3376f80c": "请输入关键字",
   "k34b5e3ab": "发送消息",
   "k34e357ee": "群组概述",
   "k35abe359": "大厅",

client/web/src/components/Panel/common/MessageSearch.tsx

@@ -36,7 +36,7 @@ export const MessageSearchPanel: React.FC<{
     <div className="p-2">
       <Input.Search
         className="mb-2"
-        placeholder="请输入关键字"
+        placeholder={t('请输入关键字')}
         loading={loading}
         onSearch={handleSearch}
       />