From eb1d67631ed10fe220d0fc81e7a13ce646272d8b Mon Sep 17 00:00:00 2001
From: luozheng <1732036298@qq.com>
Date: Thu, 16 Jan 2025 11:25:01 +0800
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---
 .../nativeui/alarm/src/AlarmConfigView.cpp        | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/code/sdk/application/wearable/fd230app/nativeui/alarm/src/AlarmConfigView.cpp b/code/sdk/application/wearable/fd230app/nativeui/alarm/src/AlarmConfigView.cpp
index 33cd189f7..67b372df8 100644
--- a/code/sdk/application/wearable/fd230app/nativeui/alarm/src/AlarmConfigView.cpp
+++ b/code/sdk/application/wearable/fd230app/nativeui/alarm/src/AlarmConfigView.cpp
@@ -344,6 +344,16 @@ namespace OHOS
             WEARABLE_LOGE(WEARABLE_LOG_MODULE_APP, "AlarmConfigView::RefreshStep hour > 24 error!");
             return;
         }
+        // 检查分钟是否在有效范围
+        if (min > 59) {
+            WEARABLE_LOGE(WEARABLE_LOG_MODULE_APP, "AlarmConfigView::RefreshStep min > 59 error!");
+            return;
+        }
+        // 检查 week 是否在有效范围
+        if (week > 127) {
+            WEARABLE_LOGE(WEARABLE_LOG_MODULE_APP, "AlarmConfigView::RefreshStep week out of range!");
+            return;
+        }
         WEARABLE_LOGD(WEARABLE_LOG_MODULE_APP, "AlarmConfigView::week = %u!", week);
         if ((week & 0x7f) == 0x7f)
         { // 判断0~6位是否都为1，如若都为1，则一周7天闹钟都响应
@@ -398,9 +408,8 @@ namespace OHOS
             WEARABLE_LOGE(WEARABLE_LOG_MODULE_APP, "AlarmConfigView::RefreshStep labelTime or labelDay error!");
             return;
         }
-        showtime[12] = {0};
-        sprintf(showtime, "%02d:%02d", hour, min);
-        // labelTime->SetTime24Hour(hour, min, 0);
+        memset(showtime, 0, sizeof(showtime));
+        snprintf(showtime, sizeof(showtime), "%02d:%02d", hour, min);// 使用更安全的 snprintf 函数
         labelTime->SetText(showtime);
         if (ConfigModel::GetInstance()->GetLanguage() == ZH_CN)
             labelDay->SetText(weekStr.c_str());
-- 
2.17.1