fix: time format in balance history

frontend/src/components/BalanceHistory.vue

@@ -47,7 +47,11 @@ export default defineComponent({
             const second = date.getUTCSeconds();
 
             // 按照要求格式输出
-            const formattedTime = `${year}年${month}月${day}日 ${hour}时${minute}分${second}秒`;
+            let formattedTime = `${year}/${month}/${day} ${hour}:${minute}:${second}`;
+            // 如果是同一年份则不显示年份
+            if (new Date().getUTCFullYear() === year) {
+                formattedTime = `${month}/${day} ${hour}${minute}:${second}`;
+            }
             return formattedTime;
         }