diff --git a/src/app/OlMap/Controls/Timeline.tsx b/src/app/OlMap/Controls/Timeline.tsx
index 1953e2f..4683aa5 100644
--- a/src/app/OlMap/Controls/Timeline.tsx
+++ b/src/app/OlMap/Controls/Timeline.tsx
@@ -372,7 +372,7 @@ const Timeline: React.FC<TimelineProps> = ({
           type: "error",
           message: "请至少设定并应用一个图层的样式。",
         });
-        // return;
+        return;
       }
       fetchFrameData(
         currentTimeToDate(selectedDate, currentTime),
@@ -425,13 +425,14 @@ const Timeline: React.FC<TimelineProps> = ({
       };
     }
   }, [map, handlePause]);
-
+  // 清除当天当前时间点后的缓存并重新获取数据
   const clearCacheAndRefetch = (date: Date, timeInMinutes: number) => {
     const dateStr = date.toISOString().split("T")[0];
 
     const clearCache = (
-      cacheRef: React.MutableRefObject<Map<string, any[]>>
+      cacheRef: ReturnType<typeof useRef<Map<string, any[]>>>
     ) => {
+      if (!cacheRef.current) return;
       const cacheKeys = Array.from(cacheRef.current.keys());
       cacheKeys.forEach((key) => {
         const keyParts = key.split("_");
@@ -440,9 +441,10 @@ const Timeline: React.FC<TimelineProps> = ({
 
         if (cacheDate === dateStr && cacheTimeStr) {
           const [hours, minutes] = cacheTimeStr.split(":");
-          const cacheTimeInMinutes = parseInt(hours) * 60 + parseInt(minutes);
+          const cacheTimeInMinutes =
+            (parseInt(hours) + 8) * 60 + parseInt(minutes);
 
-          if (cacheTimeInMinutes >= timeInMinutes) {
+          if (cacheTimeInMinutes >= timeInMinutes && cacheRef.current) {
             cacheRef.current.delete(key);
           }
         }
@@ -451,7 +453,6 @@ const Timeline: React.FC<TimelineProps> = ({
 
     clearCache(nodeCacheRef);
     clearCache(linkCacheRef);
-
     // 重新获取当前时刻的新数据
     fetchFrameData(
       currentTimeToDate(selectedDate, currentTime),
@@ -502,13 +503,12 @@ const Timeline: React.FC<TimelineProps> = ({
       );
 
       if (response.ok) {
-        // 清空当天当前时刻及之后的缓存并重新获取数据
-        clearCacheAndRefetch(calculationDate, calculationTime);
-
         open?.({
           type: "success",
           message: "重新计算成功",
         });
+        // 清空当天当前时刻及之后的缓存并重新获取数据
+        clearCacheAndRefetch(calculationDate, calculationTime);
       } else {
         open?.({
           type: "error",