diff --git a/FrontendWebApi/Models/Device.cs b/FrontendWebApi/Models/Device.cs
index b0d3752..c0f4595 100644
--- a/FrontendWebApi/Models/Device.cs
+++ b/FrontendWebApi/Models/Device.cs
@@ -97,19 +97,19 @@ namespace FrontendWebApi.Models
         public string work_person_name { get; set; }
         public DateTime finish_time { get; set; }
         public DateTime created_at { get; set; }
-        public string Created_at 
+        public string createdAt
         { 
             get 
             { 
-                return Convert.ToDateTime(created_at).ToString("yyyy-MM-dd HH:mm:ss"); 
+                return created_at.ToString("yyyy-MM-dd HH:mm:ss"); 
             }
         } //創建時間
 
-        public string Finish_time
+        public string finishTime
         {
             get
             {
-                return Convert.ToDateTime(finish_time).ToString("yyyy-MM-dd HH:mm:ss");
+                return finish_time.ToString("yyyy-MM-dd HH:mm:ss");
             }
         } //結束時間
         public string device_node_guid { get; set; }