diff --git a/src/Add-on/File/OpenHistory.ts b/src/Add-on/File/OpenHistory.ts
index fe93782b2..8c849c447 100644
--- a/src/Add-on/File/OpenHistory.ts
+++ b/src/Add-on/File/OpenHistory.ts
@@ -85,7 +85,8 @@ async function FetchFile1(url: string): Promise<CADFiler>
 export function ParseTime(f1: string, currentMonth: number): number
 {
     let time = f1.split("-");
-    time.shift();
+    //取数组后5位时间数值
+    time = time.slice(-5);
     let sum = 0;
 
     //出现比当前月份大的 说明是跨年 (这里要确保不存在6个月前的记录)