diff --git a/web/frontend/src/i18n/locales/en.json b/web/frontend/src/i18n/locales/en.json
index f81024c34..a7c60f893 100644
--- a/web/frontend/src/i18n/locales/en.json
+++ b/web/frontend/src/i18n/locales/en.json
@@ -434,8 +434,8 @@
       "workspace_hint": "Base directory for agent file operations.",
       "restrict_workspace": "Restrict to Workspace",
       "restrict_workspace_hint": "Only allow file operations inside workspace.",
-      "split_on_marker": "Multi-Message Sending",
-      "split_on_marker_hint": "Allow sending multiple messages in a single response.",
+      "split_on_marker": "Chatty Mode",
+      "split_on_marker_hint": "Split long messages into short ones like real human chatting.",
       "tool_feedback_enabled": "Tool Feedback",
       "tool_feedback_enabled_hint": "Send a short tool-call preview into the current chat before each tool execution.",
       "tool_feedback_max_args_length": "Tool Feedback Args Preview Length",
diff --git a/web/frontend/src/i18n/locales/zh.json b/web/frontend/src/i18n/locales/zh.json
index 2199cab7b..9dde090f8 100644
--- a/web/frontend/src/i18n/locales/zh.json
+++ b/web/frontend/src/i18n/locales/zh.json
@@ -434,8 +434,8 @@
       "workspace_hint": "智能体执行文件读写操作时使用的基础目录。",
       "restrict_workspace": "限制工作目录访问",
       "restrict_workspace_hint": "仅允许在工作目录内执行文件操作。",
-      "split_on_marker": "多消息发送",
-      "split_on_marker_hint": "开启后，可以在一次回复中发送多条消息。",
+      "split_on_marker": "连续短消息",
+      "split_on_marker_hint": "像真人聊天一样，把长难句拆成多条短消息快速发出",
       "tool_feedback_enabled": "工具反馈",
       "tool_feedback_enabled_hint": "在每次执行工具前，先向当前会话发送一条简短的工具调用预览。",
       "tool_feedback_max_args_length": "工具反馈参数预览长度",