diff --git a/src/components/BattleTable.tsx b/src/components/BattleTable.tsx
index 6d425ab..2776da0 100644
--- a/src/components/BattleTable.tsx
+++ b/src/components/BattleTable.tsx
@@ -1,9 +1,10 @@
 import type { BasePlayer } from "../types";
 import { useCallback, useEffect, useMemo, useState } from "react";
 import { calculate, getRoundTable } from "../utils/common";
-import { Card, Divider, Flex, Space } from "antd";
+import { Button, Card, Divider, Flex, Space, Table } from "antd";
 import styled from "styled-components";
 import { cloneDeep } from "lodash";
+import { ClearOutlined } from "@ant-design/icons";
 
 const StyledContainer = styled(Flex)`
   .winer {
@@ -67,7 +68,7 @@ function BattleTable({
       });
       return cloneDeep([left, right]);
     });
-    return roundTable.filter(Boolean);
+    return roundTable;
   }, []);
   const [matchGroupTable, setMatchGroupTable] = useState<ReturnType<typeof buildMatchGroupTable>>([]);
 
@@ -82,6 +83,29 @@ function BattleTable({
     }
     setMatchGroupTable(buildMatchGroupTable(playerList));
   }, []);
+  const handleClear = useCallback((left?: (BasePlayer | null | undefined)[], right?: (BasePlayer | null | undefined)[]) => {
+    left?.forEach((l, i) => {
+      const r = right?.[i];
+      const key = `${l?.uid}-${r?.uid}`;
+      resultMap.delete(key);
+    });
+    setMatchGroupTable(buildMatchGroupTable(playerList));
+  }, [matchGroupTable, playerList]);
+  const handleClearAll = useCallback(() => {
+    matchGroupTable.forEach(([left, right]) => {
+      left?.forEach((l, i) => {
+        const r = right?.[i];
+        const key = `${l?.uid}-${r?.uid}`;
+        resultMap.delete(key);
+      });
+    });
+    setMatchGroupTable(buildMatchGroupTable(playerList));
+  }, [matchGroupTable, playerList]);
+  const scoreDiff = useMemo(() => {
+    const [left = [], right = []] = matchGroupTable?.[matchGroupTable.length - 1] ?? [];
+    const newScoreMap = Object.fromEntries([...left, ...right].map(e => [e?.uid, e?.score]));
+    return newScoreMap;
+  }, [playerList, matchGroupTable]);
   useEffect(() => {
     const roundTable = buildMatchGroupTable(playerList);
     setMatchGroupTable(roundTable);
@@ -91,7 +115,12 @@ function BattleTable({
     <StyledContainer vertical gap={12} justify="center" align="center">
       {matchGroupTable.map(([left, right], i) => {
         return (
-          <Card size="small" key={`round-${i}`} title={`Round: ${i + 1}`}>
+          <Card
+            size="small"
+            key={`round-${i}`}
+            title={`Round: ${i + 1}`}
+            extra={<Button type="link" onClick={() => handleClear(left, right)} icon={<ClearOutlined />}>清除本轮</Button>}
+          >
             {left?.map((l, i) => {
               const r = right?.[i];
               const key = `${l?.uid}-${r?.uid}`;
@@ -115,6 +144,30 @@ function BattleTable({
           </Card>
         );
       })}
+      <Table
+        title={() => (
+          <Flex align="center" justify="space-between">
+            <span>积分增减预测</span>
+            <Button type="link" icon={<ClearOutlined />} onClick={handleClearAll}>清除本组所有</Button>
+          </Flex>
+        )}
+        showHeader={false}
+        pagination={false}
+        rowHoverable={false}
+        size="small"
+        dataSource={playerList}
+        rowKey={e => e.uid}
+        style={{ minWidth: 300 }}
+        columns={[
+          { dataIndex: 'name' },
+          { dataIndex: 'score' },
+          { dataIndex: 'uid', render: (uid, { score }) => scoreDiff[uid] || score },
+          { dataIndex: 'uid', align: 'right', render: (uid, { score }) => {
+            const diff = +(scoreDiff[uid] || score) - +score;
+            return diff > 0 ? `+${diff}` : diff;
+          } },
+        ]}
+      />
     </StyledContainer>
   );
 }
diff --git a/src/components/GroupMember.tsx b/src/components/GroupMember.tsx
index f83ec33..67383d9 100644
--- a/src/components/GroupMember.tsx
+++ b/src/components/GroupMember.tsx
@@ -30,6 +30,7 @@ export const GroupMember: React.FC<Props> = props => {
         rowKey={e => `${e.id}-${e.name}-${e.score}`}
         showHeader={false}
         pagination={false}
+        rowHoverable={false}
         dataSource={props.players}
         columns={[
           { dataIndex: '_', render: (_, __, i) => `(${i + 1})` },