diff --git a/AMESCoreStudio.WebApi/Controllers/AMES/NgRepairsController.cs b/AMESCoreStudio.WebApi/Controllers/AMES/NgRepairsController.cs
index 616ebf7c..858b699e 100644
--- a/AMESCoreStudio.WebApi/Controllers/AMES/NgRepairsController.cs
+++ b/AMESCoreStudio.WebApi/Controllers/AMES/NgRepairsController.cs
@@ -30,6 +30,8 @@ namespace AMESCoreStudio.WebApi.Controllers.AMES
         /// <param name="context"></param>
         public NgRepairsController(AMESContext context)
         {
+            _config = new ConfigurationBuilder().SetBasePath(Environment.CurrentDirectory).AddJsonFile("appsettings.json").Build();
+
             _context = context;
         }
 
@@ -1220,7 +1222,7 @@ namespace AMESCoreStudio.WebApi.Controllers.AMES
                     mailBody = mailBody + "警報時間:" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + "<br />";
                     mailBody = mailBody + "警報原因:" + alarmDesc + "<br />";
 
-                    string mailFrom = _config["MailForm"].ToString();
+                    string mailFrom = _config["MailFrom"].ToString();
                     //string mailTo = _config["MailTo"].ToString();
                     string mailSmtpServer = _config["MailSmtpServer"].ToString();
                     int mailSmtpPort = int.Parse(_config["MailSmtpPort"].ToString());
diff --git a/AMESCoreStudio.WebApi/appsettings.json b/AMESCoreStudio.WebApi/appsettings.json
index 32d48456..c96fb7f3 100644
--- a/AMESCoreStudio.WebApi/appsettings.json
+++ b/AMESCoreStudio.WebApi/appsettings.json
@@ -14,7 +14,7 @@
   },
   "MailSmtpServer": "",
   "MailSmtpPort": "25",
-  "MailForm": "",
+  "MailFrom": "",
   "MailUser": "",
   "MailUserPassword": "",
   //"MailTo": "",