diff --git a/0001-use-QRandomGenerator-and-fix-code-error.patch b/0001-use-QRandomGenerator-and-fix-code-error.patch
new file mode 100644
index 0000000..7503940
--- /dev/null
+++ b/0001-use-QRandomGenerator-and-fix-code-error.patch
@@ -0,0 +1,41 @@
+From 8a2239a0376826739d4fa1066d483a531d5c407a Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=E4=BE=AF=E7=BA=A2=E5=8B=8B?= <houhongxun@kylinos.cn>
+Date: Mon, 6 May 2024 14:10:34 +0800
+Subject: [PATCH] use QRandomGenerator, and fix code error
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Signed-off-by: 侯红勋 <houhongxun@kylinos.cn>
+---
+ model/dataparser.cpp | 7 ++++---
+ 1 file changed, 4 insertions(+), 3 deletions(-)
+
+diff --git a/model/dataparser.cpp b/model/dataparser.cpp
+index 3719334..a733b29 100644
+--- a/model/dataparser.cpp
++++ b/model/dataparser.cpp
+@@ -1,5 +1,5 @@
+ #include "dataparser.h"
+-
++#include <QRandomGenerator>
+ DataParser::DataParser() {}
+ 
+ //处理返回的网络数据
+@@ -309,10 +309,11 @@ void DataParser::hourlyWeather(QJsonObject hourlyObj, QList<Hourly> hourlist)
+ void DataParser::tmphourlyWeather(QJsonObject hourlyObj, QList<Hourly> hourlist)
+ {
+     QTime current_time = QTime::currentTime();
++    QRandomGenerator rnd(current_time.msecsSinceStartOfDay());
+     int hour = current_time.hour() + 1; //当前的小时
+     for (int i = 0; i < 24; i++) {
+-        int num_code = qrand() % (1, 60);
+-        int num_tmp = qrand() % (-10, 30);
++        int num_code = rnd.bounded(0, 61);
++        int num_tmp = rnd.bounded(-10, 31);
+         QString tmpText = QString::number(num_tmp) + "°C";
+         Hourly tmp_hour;
+         QString hour_tmp = QString::number(hour + i) + ":00";
+-- 
+2.43.0
+
diff --git a/kylin-weather.spec b/kylin-weather.spec
index 41ae103..838d112 100644
--- a/kylin-weather.spec
+++ b/kylin-weather.spec
@@ -1,12 +1,13 @@
 Name:           kylin-weather
 Version:        3.1.2
-Release:        3
+Release:        4
 Summary:        Indicator that displays China weather information
 License:        GPL-3.0+
 URL:            https://gitee.com/openkylin/kylin-weather
 Source0:        %{name}-%{version}.tar.gz
 Patch01:        0001-fix-compile-error-of-kylin-weather.patch
 Patch02:        0001-fix-coredump-of-kylin-weather.patch
+Patch03:	0001-use-QRandomGenerator-and-fix-code-error.patch
 
 BuildRequires:  qt5-qtbase-devel
 BuildRequires:  qtchooser
@@ -28,8 +29,9 @@ change it.
 
 %prep
 %setup -q
-%patch01 -p1
-%patch02 -p1
+%patch -p1 1
+%patch -p1 2
+%patch -p1 3
 
 %build
 mkdir build && pushd build
@@ -64,6 +66,10 @@ fi
 %{_datadir}/kylin-user-guide/*
 
 %changelog
+* Mon May 06 2024 houhongxun <houhongxun@kylinos.cn> - 3.1.2-4
+- use QRandomGenerator to generate random numbers
+- fix some code errors
+
 * Sat Nov 25 2023 hua_yadong <huayadong@kylinos.cn> - 3.1.2-3
 - add 0001-fix-coredump-of-kylin-weather.patch