From 4d9ca268dfe4936a006aca2797683dbf8f902b60 Mon Sep 17 00:00:00 2001
From: Caisking <3449750381@qq.com>
Date: Tue, 3 Sep 2024 10:20:04 +0800
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---
 .../fd230app/nativeui/sleep/src/SleepModel.cpp       | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/code/sdk/application/wearable/fd230app/nativeui/sleep/src/SleepModel.cpp b/code/sdk/application/wearable/fd230app/nativeui/sleep/src/SleepModel.cpp
index b86e0e83a..1db41a71f 100644
--- a/code/sdk/application/wearable/fd230app/nativeui/sleep/src/SleepModel.cpp
+++ b/code/sdk/application/wearable/fd230app/nativeui/sleep/src/SleepModel.cpp
@@ -536,16 +536,24 @@ namespace OHOS
         return true;
     }
 
+    // 时间戳->字符串
     void SleepModel::update_time_info(uint32_t timestamp, std::string &timeStr)
     {
+        // 如果时间戳为0，设置时间字符串为默认值
+        if (timestamp == 0)
+        {
+            timeStr = "--";
+            return;
+        }
+        // 解析时间戳
         char labelTime[20];
         if (uapi_get_TIME_STR(timestamp, labelTime, '.', ':', DATE_H_M) == ERRCODE_SUCC)
         {
-            timeStr = std::string(labelTime);
+            timeStr.assign(labelTime);
         }
         else
         {
-            timeStr = "--";
+            timeStr = "--"; // 如果获取失败，设置为默认值
         }
     }
 
-- 
2.17.1