diff --git a/src/components/TournamentBracket.vue b/src/components/TournamentBracket.vue
index b87c909..6b6916f 100644
--- a/src/components/TournamentBracket.vue
+++ b/src/components/TournamentBracket.vue
@@ -180,7 +180,6 @@ const generateSingleEliminationBracket = async () => {
   const totalPlayers = Math.pow(2, tournament.value.rounds);
   const shuffled = [...tournament.value.participants].sort(() => Math.random() - 0.5);
 
-  // 获取最新的报名数据
   const latestData = await getSignUpResultList();
   const filteredData = latestData.filter(item => item.tournament_id == tournament.value.id);
 
@@ -189,21 +188,25 @@ const generateSingleEliminationBracket = async () => {
   }
 
   // 生成第一轮比赛
-  const firstRoundMatches = totalPlayers / 2;
-  for (let i = 0; i < firstRoundMatches; i++) {
+  const firstRoundMatchesCount = totalPlayers / 2;
+  for (let i = 0; i < firstRoundMatchesCount; i++) {
     const p1 = shuffled[i * 2];
     const p2 = shuffled[i * 2 + 1];
     let winner = null;
     let decided = false;
-    if (p1 && !p2) {
+
+    if (p1 && !p2) { // p1 gets a bye
       winner = p1;
       decided = true;
-    } else if (!p1 && p2) {
+    } else if (!p1 && p2) { // p2 gets a bye
       winner = p2;
       decided = true;
+    } else if (!p1 && !p2) { // double bye
+      winner = null; // Winner is null for a double bye
+      decided = true;
     }
+    // If p1 && p2, winner is null, decided is false (normal match)
 
-    // 获取选手的最新数据
     const p1Latest = p1 ? filteredData.find(item => item.id === p1.id) : null;
     const p2Latest = p2 ? filteredData.find(item => item.id === p2.id) : null;
 
@@ -214,9 +217,10 @@ const generateSingleEliminationBracket = async () => {
       participant1: p1,
       participant2: p2,
       winner,
-      score1: decided && p1 && !p2 ? 1 : (p1Latest?.win || 0),
-      score2: decided && !p1 && p2 ? 1 : (p2Latest?.win || 0),
-      decided
+      score1: decided && winner === p1 ? 1 : (p1Latest?.win || 0), // Score 1 for bye winner, else existing or 0
+      score2: decided && winner === p2 ? 1 : (p2Latest?.win || 0), // Score 1 for bye winner, else existing or 0
+      decided,
+      // participantXResolved flags are not needed for round 1 matches as they are resolved by definition or play
     });
   }
 
@@ -228,8 +232,10 @@ const generateSingleEliminationBracket = async () => {
         id: `${r}-${i + 1}`,
         round: r,
         matchNumber: i + 1,
-        participant1: null,
-        participant2: null,
+        participant1: null, // Placeholder, will be filled by previous round's winner
+        participant2: null, // Placeholder
+        participant1Resolved: false, // New flag
+        participant2Resolved: false, // New flag
         winner: null,
         score1: null,
         score2: null,
@@ -237,6 +243,14 @@ const generateSingleEliminationBracket = async () => {
       });
     }
   }
+
+  // 处理第一轮中的轮空晋级
+  const firstRoundActualMatches = tournament.value.matches.filter(m => m.round === 1);
+  for (const match of firstRoundActualMatches) {
+    if (match.decided) { // If the match was decided (bye, double bye)
+      updateNextRound(match); // Propagate its result (winner could be player or null)
+    }
+  }
 };
 
 const drawConnections = () => {
@@ -357,37 +371,72 @@ async function confirmScore(match) {
   emit('refreshPlayers');
 }
 
-const updateNextRound = (match) => {
-  if (!match.decided) return;
-
-  if (match.round === tournament.value.rounds) {
+const updateNextRound = (currentDecidedMatch) => {
+  if (!currentDecidedMatch.decided) { // Winner can be null (e.g. double bye)
+    console.warn("updateNextRound called on non-decided match", currentDecidedMatch);
     return;
   }
 
-  const nextRound = match.round + 1;
-  const nextMatchIndex = Math.floor((match.matchNumber - 1) / 2);
-  const nextMatch = tournament.value.matches.find(m => m.round === nextRound && m.matchNumber === nextMatchIndex + 1);
-
-  if (!nextMatch) return;
-
-  if ((match.matchNumber - 1) % 2 === 0) {
-    nextMatch.participant1 = match.winner;
-  } else {
-    nextMatch.participant2 = match.winner;
+  if (currentDecidedMatch.round === tournament.value.rounds) {
+    return; // This was the final match or a match in the final round
   }
 
-  if ((nextMatch.participant1 && !nextMatch.participant2) || (!nextMatch.participant1 && nextMatch.participant2)) {
-    nextMatch.winner = nextMatch.participant1 || nextMatch.participant2;
-    nextMatch.score1 = nextMatch.participant1 ? 1 : 0;
-    nextMatch.score2 = nextMatch.participant2 ? 1 : 0;
-    nextMatch.decided = true;
-    updateNextRound(nextMatch);
-  } else {
-    nextMatch.winner = null;
-    nextMatch.score1 = null;
-    nextMatch.score2 = null;
-    nextMatch.decided = false;
+  const nextRound = currentDecidedMatch.round + 1;
+  const nextMatchIndexInRound = Math.floor((currentDecidedMatch.matchNumber - 1) / 2);
+  const nextMatch = tournament.value.matches.find(m => m.round === nextRound && m.matchNumber === nextMatchIndexInRound + 1);
+
+  if (!nextMatch) {
+    console.error("Could not find next match for", currentDecidedMatch);
+    return;
   }
+
+  const isFeederForParticipant1 = (currentDecidedMatch.matchNumber - 1) % 2 === 0;
+
+  if (isFeederForParticipant1) {
+    nextMatch.participant1 = currentDecidedMatch.winner; // Winner might be null
+    nextMatch.participant1Resolved = true;
+  } else {
+    nextMatch.participant2 = currentDecidedMatch.winner; // Winner might be null
+    nextMatch.participant2Resolved = true;
+  }
+
+  // Only proceed if both participant slots for nextMatch are resolved
+  if (nextMatch.participant1Resolved && nextMatch.participant2Resolved) {
+    const p1 = nextMatch.participant1;
+    const p2 = nextMatch.participant2;
+
+    if (p1 && !p2) { // p1 advances due to p2 being a bye (null)
+      nextMatch.winner = p1;
+      nextMatch.score1 = 1; // Convention for bye win
+      nextMatch.score2 = 0;
+      nextMatch.decided = true;
+    } else if (!p1 && p2) { // p2 advances due to p1 being a bye (null)
+      nextMatch.winner = p2;
+      nextMatch.score1 = 0;
+      nextMatch.score2 = 1; // Convention for bye win
+      nextMatch.decided = true;
+    } else if (!p1 && !p2) { // Double bye in this nextMatch
+      nextMatch.winner = null; // No winner advances
+      nextMatch.score1 = 0;
+      nextMatch.score2 = 0;
+      nextMatch.decided = true; // This "match" is decided as a double bye
+    } else if (p1 && p2) { // Both participants are actual players, match is ready to be played
+      nextMatch.winner = null;
+      nextMatch.score1 = null; // Or 0, depending on display preference for undecided matches
+      nextMatch.score2 = null; // Or 0
+      nextMatch.decided = false;
+    } else {
+      // This case should ideally not be reached if logic is correct
+      console.warn("Unexpected state in updateNextRound for nextMatch:", nextMatch);
+      nextMatch.decided = false; // Default to not decided to prevent erroneous propagation
+    }
+
+    // If nextMatch itself was decided (due to byes), propagate its result further
+    if (nextMatch.decided) {
+      updateNextRound(nextMatch);
+    }
+  }
+  // If only one participant is resolved, wait for the other feeder match to complete.
 };
 
 const calculateFinalRanking = () => {