From 2c1cff5b88bdb8c65c639e96ba15beb3b1c961f9 Mon Sep 17 00:00:00 2001
From: jianghaiqing <jianghaiqing@myshipping.com>
Date: Thu, 11 Jul 2024 13:15:52 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9SI=20=E4=BB=BB=E5=8A=A1?=
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---
 .../TaskManageSISubmittedService.cs           | 21 +++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/Myshipping.Application/Service/TaskManagePlat/TaskManageSISubmittedService.cs b/Myshipping.Application/Service/TaskManagePlat/TaskManageSISubmittedService.cs
index ab6a7ac0..1c489430 100644
--- a/Myshipping.Application/Service/TaskManagePlat/TaskManageSISubmittedService.cs
+++ b/Myshipping.Application/Service/TaskManagePlat/TaskManageSISubmittedService.cs
@@ -1511,8 +1511,25 @@ namespace Myshipping.Application
 
                             if (l.PropertyType == typeof(string))
                             {
-                                string st1 = (bkVal as string).AdjustString();
-                                string st2 = (siVal as string).AdjustString();
+                                string st1 = string.Empty;
+                                string st2 = string.Empty;
+
+                                if (bkVal == null)
+                                {
+                                    st1 = "";
+                                }
+                                else {
+                                    st1 = (bkVal as string).AdjustString();
+                                }
+
+                                if (siVal == null)
+                                {
+                                    st2 = "";
+                                }
+                                else
+                                {
+                                    st2 = (siVal as string).AdjustString();
+                                }
 
                                 if (!st1.Equals(st2))
                                 {