使用搜索功能控制台报错

[17:06:41] SearchView
Value cannot be null.
Parameter name: input
at System.Text.RegularExpressions.Regex.IsMatch (System.String input) [0x00000] in <00000000000000000000000000000000>:0
at FairyEditor.FullSearch+<>c__DisplayClass6_0.<FindInFile>b__0 (FairyGUI.Utils.XML value) [0x00000] in <00000000000000000000000000000000>:0
at System.Diagnostics.Tracing.EnumHelper`1+Transformer`1[UnderlyingType,ValueType].Invoke (ValueType value) [0x00000] in <00000000000000000000000000000000>:0
at System.Collections.Generic.List`1[T].FindAll (System.Predicate`1[T] match) [0x00000] in <00000000000000000000000000000000>:0
at FairyEditor.FullSearch.FindInFile (FairyEditor.FPackage pkg, System.String file, System.Text.RegularExpressions.Regex nameKey, System.Collections.Generic.HashSet`1[T] types) [0x00000] in <00000000000000000000000000000000>:0
...