diff --git a/admin/src/views/display/LadderSummary.vue b/admin/src/views/display/LadderSummary.vue
index fa19e538..132d20c4 100644
--- a/admin/src/views/display/LadderSummary.vue
+++ b/admin/src/views/display/LadderSummary.vue
@@ -196,7 +196,7 @@
     </div>
 
     <div class="footer">
-      <span>数据实时同步 · 每30秒刷新</span>
+      <span>数据实时同步 · 滚动到底部时自动刷新</span>
     </div>
   </div>
 </template>
@@ -230,7 +230,6 @@ const loadingBoards = ref(false);
 const loadingMatches = ref(false);
 
 let timer = null;
-let refreshTimer = null;
 let handleWindowClick = null;
 let boardsRaf = null;
 let matchesRaf = null;
@@ -243,6 +242,15 @@ const matchesGroup1 = ref(null);
 const boardsScrollY = ref(0);
 const matchesScrollY = ref(0);
 
+const REFRESH_COOLDOWN_MS = 3000;
+let lastRefreshAt = 0;
+
+const onScrollEndRefresh = () => {
+  if (Date.now() - lastRefreshAt < REFRESH_COOLDOWN_MS) return;
+  lastRefreshAt = Date.now();
+  refreshAll();
+};
+
 const updateTime = () => {
   currentTime.value = dayjs().format("YYYY-MM-DD HH:mm:ss");
 };
@@ -373,6 +381,7 @@ const startBoardsScroll = () => {
     boardsScrollY.value -= 0.35;
     if (Math.abs(boardsScrollY.value) >= h) {
       boardsScrollY.value = 0;
+      onScrollEndRefresh();
     }
     boardsRaf = requestAnimationFrame(tick);
   };
@@ -406,6 +415,7 @@ const startMatchesScroll = () => {
     matchesScrollY.value -= 0.4;
     if (Math.abs(matchesScrollY.value) >= h) {
       matchesScrollY.value = 0;
+      onScrollEndRefresh();
     }
     matchesRaf = requestAnimationFrame(tick);
   };
@@ -430,7 +440,6 @@ onMounted(async () => {
   await refreshAll();
 
   timer = setInterval(updateTime, 1000);
-  refreshTimer = setInterval(refreshAll, 30 * 1000);
 
   handleWindowClick = () => {
     showStoreMenu.value = false;
@@ -445,7 +454,6 @@ onMounted(async () => {
 
 onUnmounted(() => {
   if (timer) clearInterval(timer);
-  if (refreshTimer) clearInterval(refreshTimer);
   stopAutoScroll();
   if (handleWindowClick) window.removeEventListener("click", handleWindowClick);
 });
diff --git a/admin/src/views/display/LadderSummaryOrange.vue b/admin/src/views/display/LadderSummaryOrange.vue
index 349f44a1..720068d6 100644
--- a/admin/src/views/display/LadderSummaryOrange.vue
+++ b/admin/src/views/display/LadderSummaryOrange.vue
@@ -196,7 +196,7 @@
     </div>
 
     <div class="footer">
-      <span>数据实时同步 · 每30秒刷新</span>
+      <span>数据实时同步 · 滚动到底部时自动刷新</span>
     </div>
   </div>
 </template>
@@ -230,7 +230,6 @@ const loadingBoards = ref(false);
 const loadingMatches = ref(false);
 
 let timer = null;
-let refreshTimer = null;
 let handleWindowClick = null;
 let boardsRaf = null;
 let matchesRaf = null;
@@ -243,6 +242,15 @@ const matchesGroup1 = ref(null);
 const boardsScrollY = ref(0);
 const matchesScrollY = ref(0);
 
+const REFRESH_COOLDOWN_MS = 3000;
+let lastRefreshAt = 0;
+
+const onScrollEndRefresh = () => {
+  if (Date.now() - lastRefreshAt < REFRESH_COOLDOWN_MS) return;
+  lastRefreshAt = Date.now();
+  refreshAll();
+};
+
 const updateTime = () => {
   currentTime.value = dayjs().format("YYYY-MM-DD HH:mm:ss");
 };
@@ -373,6 +381,7 @@ const startBoardsScroll = () => {
     boardsScrollY.value -= 0.35;
     if (Math.abs(boardsScrollY.value) >= h) {
       boardsScrollY.value = 0;
+      onScrollEndRefresh();
     }
     boardsRaf = requestAnimationFrame(tick);
   };
@@ -406,6 +415,7 @@ const startMatchesScroll = () => {
     matchesScrollY.value -= 0.4;
     if (Math.abs(matchesScrollY.value) >= h) {
       matchesScrollY.value = 0;
+      onScrollEndRefresh();
     }
     matchesRaf = requestAnimationFrame(tick);
   };
@@ -430,7 +440,6 @@ onMounted(async () => {
   await refreshAll();
 
   timer = setInterval(updateTime, 1000);
-  refreshTimer = setInterval(refreshAll, 30 * 1000);
 
   handleWindowClick = () => {
     showStoreMenu.value = false;
@@ -445,7 +454,6 @@ onMounted(async () => {
 
 onUnmounted(() => {
   if (timer) clearInterval(timer);
-  if (refreshTimer) clearInterval(refreshTimer);
   stopAutoScroll();
   if (handleWindowClick) window.removeEventListener("click", handleWindowClick);
 });
diff --git a/admin/src/views/display/RankingBoard.vue b/admin/src/views/display/RankingBoard.vue
index 948af438..131c9da8 100644
--- a/admin/src/views/display/RankingBoard.vue
+++ b/admin/src/views/display/RankingBoard.vue
@@ -465,7 +465,7 @@
 
     <!-- 底部装饰 -->
     <div class="board-footer">
-      <div class="footer-hint">数据实时同步 · 每30秒刷新一次</div>
+      <div class="footer-hint">数据实时同步 · 滚动到底部时自动刷新</div>
     </div>
   </div>
 </template>
@@ -492,7 +492,6 @@
   const scrollContainer = ref(null);
   const isRefreshing = ref(false);
   let timer = null;
-  let refreshTimer = null;
   let handleWindowClick = null;
   const scrollReqIdAll = ref(null);
   const scrollReqIdMale = ref(null);
@@ -500,12 +499,21 @@
   const scrollYAll = ref(0);
   const scrollYMale = ref(0);
   const scrollYFemale = ref(0);
+  const REFRESH_COOLDOWN_MS = 3000;
+  let lastRefreshAt = 0;
 
   // 更新时间
   const updateTime = () => {
     currentTime.value = dayjs().format("YYYY-MM-DD HH:mm:ss");
   };
 
+  // 滚动到底部时刷新一次（带冷却，避免短列表时刷新过频）
+  const onScrollEndRefresh = () => {
+    if (Date.now() - lastRefreshAt < REFRESH_COOLDOWN_MS) return;
+    lastRefreshAt = Date.now();
+    fetchRanking();
+  };
+
   // 连续无缝滚动逻辑 (使用 Transform 性能更好)
   const startContinuousScroll = (listRef, scrollYRef, reqIdRef) => {
     if (reqIdRef.value) cancelAnimationFrame(reqIdRef.value);
@@ -522,9 +530,10 @@
       // 计算单份数据的高度：100条 * (90px行高 + 12px间距)
       const singleSetHeight = listRef.value.length * 102;
 
-      // 如果滚完了一整套数据，瞬间重置回 0
+      // 如果滚完了一整套数据，瞬间重置回 0，并触发一次刷新
       if (Math.abs(scrollYRef.value) >= singleSetHeight) {
         scrollYRef.value = 0;
+        onScrollEndRefresh();
       }
 
       reqIdRef.value = requestAnimationFrame(scroll);
@@ -663,7 +672,6 @@
   onMounted(() => {
     fetchStores();
     timer = setInterval(updateTime, 1000);
-    refreshTimer = setInterval(fetchRanking, 30 * 1000); // 30秒刷新一次，避免过于频繁影响滚动感
 
     // 点击外部关闭菜单
     handleWindowClick = () => {
@@ -674,7 +682,6 @@
 
   onUnmounted(() => {
     if (timer) clearInterval(timer);
-    if (refreshTimer) clearInterval(refreshTimer);
     if (scrollReqIdAll.value) cancelAnimationFrame(scrollReqIdAll.value);
     if (scrollReqIdMale.value) cancelAnimationFrame(scrollReqIdMale.value);
     if (scrollReqIdFemale.value) cancelAnimationFrame(scrollReqIdFemale.value);
diff --git a/admin/src/views/display/RankingBoardOrange.vue b/admin/src/views/display/RankingBoardOrange.vue
index db567c41..b989c2c3 100644
--- a/admin/src/views/display/RankingBoardOrange.vue
+++ b/admin/src/views/display/RankingBoardOrange.vue
@@ -511,7 +511,7 @@
     <div class="footer-bar">
       <span>REAL-TIME DATA SYNC ACTIVE</span>
       <div class="dot"></div>
-      <span>REFRESH EVERY 30 SECONDS</span>
+      <span>滚动到底部时自动刷新</span>
     </div>
   </div>
 </template>
@@ -538,7 +538,6 @@
   const scrollContainer = ref(null);
   const isRefreshing = ref(false);
   let timer = null;
-  let refreshTimer = null;
   let handleWindowClick = null;
   const group1 = ref(null);
   const scrollReqId = ref(null);
@@ -549,11 +548,19 @@
   const scrollReqIdFemale = ref(null);
   const scrollYMale = ref(0);
   const scrollYFemale = ref(0);
+  const REFRESH_COOLDOWN_MS = 3000;
+  let lastRefreshAt = 0;
 
   const updateTime = () => {
     currentTime.value = dayjs().format("HH:mm:ss");
   };
 
+  const onScrollEndRefresh = () => {
+    if (Date.now() - lastRefreshAt < REFRESH_COOLDOWN_MS) return;
+    lastRefreshAt = Date.now();
+    fetchRanking();
+  };
+
   const startContinuousScroll = (listRef, scrollYRef, reqIdRef, groupRef) => {
     if (reqIdRef.value) cancelAnimationFrame(reqIdRef.value);
 
@@ -569,6 +576,7 @@
 
       if (Math.abs(scrollYRef.value) >= singleSetHeight) {
         scrollYRef.value = 0;
+        onScrollEndRefresh();
       }
 
       reqIdRef.value = requestAnimationFrame(scroll);
@@ -693,7 +701,6 @@
   onMounted(() => {
     fetchStores();
     timer = setInterval(updateTime, 1000);
-    refreshTimer = setInterval(fetchRanking, 30 * 1000);
     handleWindowClick = () => {
       showStoreMenu.value = false;
     };
@@ -702,7 +709,6 @@
 
   onUnmounted(() => {
     if (timer) clearInterval(timer);
-    if (refreshTimer) clearInterval(refreshTimer);
     if (scrollReqId.value) cancelAnimationFrame(scrollReqId.value);
     if (scrollReqIdMale.value) cancelAnimationFrame(scrollReqIdMale.value);
     if (scrollReqIdFemale.value) cancelAnimationFrame(scrollReqIdFemale.value);