diff --git a/web/src/components/Panel/group/TextPanel.tsx b/web/src/components/Panel/group/TextPanel.tsx
index d251a310..6ee637d7 100644
--- a/web/src/components/Panel/group/TextPanel.tsx
+++ b/web/src/components/Panel/group/TextPanel.tsx
@@ -12,6 +12,44 @@ import {
 } from 'tailchat-shared';
 import { GroupPanelWrapper } from './Wrapper';
 
+/**
+ * 聊天输入框显示状态管理
+ */
+function useChatInputInfo(groupId: string) {
+  const userId = useUserId();
+  const muteUntil = useGroupMemberMute(groupId, userId ?? '');
+
+  const [placeholder, setPlaceholder] = useState<string | undefined>(undefined);
+  const updatePlaceholder = useCallback(() => {
+    if (muteUntil) {
+      setPlaceholder(
+        muteUntil
+          ? t('禁言中, 还剩 {{remain}}', {
+              remain: humanizeMsDuration(
+                new Date().valueOf() - new Date(muteUntil).valueOf()
+              ),
+            })
+          : undefined
+      );
+    } else {
+      setPlaceholder(undefined);
+    }
+  }, [muteUntil]);
+  useInterval(
+    updatePlaceholder,
+    10000 // 10s 检查一次，因为 humanizeMsDuration 不会精确到秒
+  );
+  useLayoutEffect(() => {
+    // 当到期时间发生变化后立即更新
+    updatePlaceholder();
+  }, [muteUntil]);
+
+  return {
+    disabled: Boolean(muteUntil),
+    placeholder,
+  };
+}
+
 interface TextPanelProps {
   groupId: string;
   panelId: string;
@@ -20,35 +58,7 @@ export const TextPanel: React.FC<TextPanelProps> = React.memo(
   ({ groupId, panelId }) => {
     const groupMembers = useGroupMemberInfos(groupId);
     const panelInfo = useGroupPanelInfo(groupId, panelId);
-    const userId = useUserId();
-    const muteUntil = useGroupMemberMute(groupId, userId ?? '');
-
-    const [placeholder, setPlaceholder] = useState<string | undefined>(
-      undefined
-    );
-    const updatePlaceholder = useCallback(() => {
-      if (muteUntil) {
-        setPlaceholder(
-          muteUntil
-            ? t('禁言中, 还剩 {{remain}}', {
-                remain: humanizeMsDuration(
-                  new Date().valueOf() - new Date(muteUntil).valueOf()
-                ),
-              })
-            : undefined
-        );
-      } else {
-        setPlaceholder(undefined);
-      }
-    }, [muteUntil]);
-    useInterval(
-      updatePlaceholder,
-      10000 // 10s 检查一次，因为 humanizeMsDuration 不会精确到秒
-    );
-    useLayoutEffect(() => {
-      // 当到期时间发生变化后立即更新
-      updatePlaceholder();
-    }, [muteUntil]);
+    const { disabled, placeholder } = useChatInputInfo(groupId);
 
     if (panelInfo === undefined) {
       return null;
@@ -61,7 +71,7 @@ export const TextPanel: React.FC<TextPanelProps> = React.memo(
             id: m._id,
             display: m.nickname,
           }))}
-          disabled={Boolean(muteUntil)}
+          disabled={disabled}
           placeholder={placeholder}
         >
           <ChatBox converseId={panelId} isGroup={true} groupId={groupId} />