diff --git a/IRaCIS.Core.API/_ServiceExtensions/NewtonsoftJson/NullToEmptyStringResolver.cs b/IRaCIS.Core.API/_ServiceExtensions/NewtonsoftJson/NullToEmptyStringResolver.cs
index f6330817f..15814a6cc 100644
--- a/IRaCIS.Core.API/_ServiceExtensions/NewtonsoftJson/NullToEmptyStringResolver.cs
+++ b/IRaCIS.Core.API/_ServiceExtensions/NewtonsoftJson/NullToEmptyStringResolver.cs
@@ -102,33 +102,39 @@ namespace IRaCIS.Core.API
         {
 
 
+            #region 前端针对 string 类型的变量，如果传递null 会报错必传
 
-            //// 会影响 string?  传递null 变为""
-
-            var isNullable1 = _memberInfo.CustomAttributes.Any(a => a.AttributeType.Name == "NullableAttribute");
-
-
-            if (_memberInfo.PropertyType == typeof(string) &&  isNullable1 == false)
+            if (_memberInfo.PropertyType == typeof(string))
             {
-                //如果不处理 前段传递null  string不会接收，说前段没传递会验证报错
                 _memberInfo.SetValue(target, value == null ? string.Empty : value);
             }
             else
             {
                 _memberInfo.SetValue(target, value);
-
             }
 
-            //if ()
+            #endregion
+
+            #region 处理模型验证区分 string string? 
+
+            //var isNullable1 = _memberInfo.CustomAttributes.Any(a => a.AttributeType.Name == "NullableAttribute");
+
+            ////不影响 string? 传递null 变为""
+            //if (_memberInfo.PropertyType == typeof(string) && isNullable1 == false)
             //{
-            //    //去掉前后空格
-            //    _memberInfo.SetValue(target, value == null ? string.Empty : value.ToString() == string.Empty ? value : value/*.ToString().Trim()*/);
+            //    //如果不处理 前段传递null  string不会接收，说前段没传递会验证报错
+            //    _memberInfo.SetValue(target, value == null ? string.Empty : value);
             //}
             //else
             //{
+
             //    _memberInfo.SetValue(target, value);
+
             //}
 
+            #endregion
+
+
 
         }
     }