diff --git a/app/api/admin/charts/route.ts b/app/api/admin/charts/route.ts
index 3289d679f..cadcd7522 100644
--- a/app/api/admin/charts/route.ts
+++ b/app/api/admin/charts/route.ts
@@ -2,6 +2,7 @@ import { NextRequest, NextResponse } from "next/server";
 import prisma from "@/lib/prisma";
 import { addHours, subMinutes } from "date-fns";
 import { EChartsOption } from "echarts";
+import { getCurStartEnd } from "@/app/utils/custom";
 
 interface StringKeyedObject {
   [key: string]: { [key: string]: number };
@@ -50,19 +51,7 @@ function HandleLogData(
 
 async function handle(req: NextRequest) {
   const { searchParams } = new URL(req.url);
-  const date = searchParams.get("date") ?? "";
-  // 当天日期的开始和结束
-  let currentTime = new Date(date);
-  // today = subMinutes(today, today.getTimezoneOffset())
-  const startOfTheDayInTimeZone = new Date(
-    currentTime.getFullYear(),
-    currentTime.getMonth(),
-    currentTime.getDate(),
-    0,
-    0,
-    0,
-  );
-  const endOfTheDayInTimeZone = addHours(startOfTheDayInTimeZone, +24); // 当天的结束时间
+  const { startOfTheDayInTimeZone, endOfTheDayInTimeZone } = getCurStartEnd();
   const todayLog = await prisma.logEntry.findMany({
     where: {
       createdAt: {
diff --git a/app/utils/custom.ts b/app/utils/custom.ts
index 43aba914c..d42f90a79 100644
--- a/app/utils/custom.ts
+++ b/app/utils/custom.ts
@@ -1,3 +1,5 @@
+import { addHours } from "date-fns";
+
 export function getCurrentTime(now?: Date): string {
   if (!now) {
     const now = new Date();
@@ -16,3 +18,19 @@ export function getCurrentTime(now?: Date): string {
 
   return formatter.format(now);
 }
+
+export function getCurStartEnd(now = new Date()) {
+  const startOfTheDayInTimeZone = new Date(
+    now.getFullYear(),
+    now.getMonth(),
+    now.getDate(),
+    0,
+    0,
+    0,
+  );
+  const endOfTheDayInTimeZone = addHours(startOfTheDayInTimeZone, +24); // 当天的结束时间
+  return {
+    startOfTheDayInTimeZone,
+    endOfTheDayInTimeZone,
+  };
+}
diff --git a/lib/auth.ts b/lib/auth.ts
index 2060a20b6..343ea9f69 100644
--- a/lib/auth.ts
+++ b/lib/auth.ts
@@ -8,6 +8,7 @@ import { User } from "@prisma/client";
 import {ADMIN_LIST, isEmail, isName} from "@/lib/auth_list";
 import {createTransport} from "nodemailer";
 import { comparePassword, hashPassword } from "@/lib/utils";
+import {getCurStartEnd} from "@/app/utils/custom";
 const SECURE_COOKIES:boolean = !!process.env.SECURE_COOKIES;