diff --git a/src/utils/datetime.ts b/src/utils/datetime.ts
new file mode 100644
index 0000000..c65597d
--- /dev/null
+++ b/src/utils/datetime.ts
@@ -0,0 +1,9 @@
+import dayjs from "dayjs"
+
+const INVALID_DATE = "N/A"
+
+/** 格式化日期时间 */
+export const formatDateTime = (datetime: string | number | Date = "", template: string = "YYYY-MM-DD HH:mm:ss") => {
+  const day = dayjs(datetime)
+  return day.isValid() ? day.format(template) : INVALID_DATE
+}
diff --git a/src/utils/index.ts b/src/utils/index.ts
index 290c7e4..dfd7a5e 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -1,11 +1,5 @@
-import dayjs from "dayjs"
 import { removeConfigLayout } from "@/utils/cache/local-storage"
 
-/** 格式化时间 */
-export const formatDateTime = (time: string | number | Date) => {
-  return time ? dayjs(new Date(time)).format("YYYY-MM-DD HH:mm:ss") : "N/A"
-}
-
 /** 用 JS 获取全局 css 变量 */
 export const getCssVariableValue = (cssVariableName: string) => {
   let cssVariableValue = ""