diff --git a/IRaCIS.Core.API/_ServiceExtensions/NewtonsoftJson/NullToEmptyStringValueProvider.cs b/IRaCIS.Core.API/_ServiceExtensions/NewtonsoftJson/NullToEmptyStringValueProvider.cs
index 512efb7ad..eb4e47de5 100644
--- a/IRaCIS.Core.API/_ServiceExtensions/NewtonsoftJson/NullToEmptyStringValueProvider.cs
+++ b/IRaCIS.Core.API/_ServiceExtensions/NewtonsoftJson/NullToEmptyStringValueProvider.cs
@@ -28,7 +28,7 @@ namespace IRaCIS.Core.API
             if(_MemberInfo.PropertyType == typeof(string))
             {
                 //去掉前后空格
-                _MemberInfo.SetValue(target, value==null?string.Empty: value.ToString()==string.Empty? value:value.ToString().Trim());
+                _MemberInfo.SetValue(target, value==null?string.Empty: value.ToString()==string.Empty? value:value/*.ToString().Trim()*/);
               
             }
             else