From bf14c0a7c43ef5302a7b8907580122fed33128b3 Mon Sep 17 00:00:00 2001
From: tanglong <842690096@qq.com>
Date: Tue, 5 Aug 2025 10:42:44 +0800
Subject: [PATCH] d

---
 WeChatApplet/Services/Impl/HomeWorkService.cs | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/WeChatApplet/Services/Impl/HomeWorkService.cs b/WeChatApplet/Services/Impl/HomeWorkService.cs
index cc3850f..4ef6b45 100644
--- a/WeChatApplet/Services/Impl/HomeWorkService.cs
+++ b/WeChatApplet/Services/Impl/HomeWorkService.cs
@@ -35,13 +35,20 @@ namespace YD_WeChatApplet.Api.Services.Impl
         {
             List<S_HomeWork> homeWorkEntities = new List<S_HomeWork>();
 
-            string startmmed = paramDto.StartTime.Substring(0, 19);
-            string endmmed = paramDto.EndTime.Substring(0, 19);
+            string TrimTimeString(string timeStr)
+            {
+                if (string.IsNullOrWhiteSpace(timeStr))
+                    return string.Empty;
 
-            DateTime startDate = DateTime.ParseExact(startmmed, "yyyy-MM-dd HH:mm:ss", CultureInfo.InvariantCulture);
-            DateTime endDate = DateTime.ParseExact(endmmed, "yyyy-MM-dd HH:mm:ss", CultureInfo.InvariantCulture);
+                timeStr = timeStr.Trim();
+                return timeStr.Length > 19 ? timeStr.Substring(0, 19) : timeStr;
+            }
 
-            paramDto.StartTime = startmmed;
+            string startmmed = TrimTimeString(paramDto.StartTime);
+            string endmmed = TrimTimeString(paramDto.EndTime);
+
+            DateTime.TryParse(startmmed, out var startDate);
+            DateTime.TryParse(endmmed, out var endDate);
 
             var weekList = paramDto.WeekList;