From 7d54e0b8b7ca84488fdcba90c68169a85b4d45c6 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Wed, 5 May 2021 16:18:33 +0800
Subject: refactor: ...

---
 BackEnd/Timeline/Services/EntityException.cs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'BackEnd/Timeline/Services/EntityException.cs')

diff --git a/BackEnd/Timeline/Services/EntityException.cs b/BackEnd/Timeline/Services/EntityException.cs
index 7a302e5a..c4c2d700 100644
--- a/BackEnd/Timeline/Services/EntityException.cs
+++ b/BackEnd/Timeline/Services/EntityException.cs
@@ -10,11 +10,12 @@ namespace Timeline.Services
         public EntityException() { }
         public EntityException(string? message) : base(message) { }
         public EntityException(string? message, Exception? inner) : base(message, inner) { }
-        public EntityException(EntityType entityType, IDictionary<string, object> constraints, string? message = null, Exception? inner = null)
+        public EntityException(EntityType entityType, IDictionary<string, object>? constraints = null, string? message = null, Exception? inner = null)
             : base(message, inner)
         {
             EntityType = entityType;
-            Constraints = constraints;
+            if (constraints is not null)
+                Constraints = constraints;
         }
         protected EntityException(
           System.Runtime.Serialization.SerializationInfo info,
-- 
cgit v1.2.3