diff --git a/Editor/GuruManager/Helper/GuruServiceConverterHelper.cs b/Editor/GuruManager/Helper/GuruServiceConverterHelper.cs
index 131d0b3..6572654 100644
--- a/Editor/GuruManager/Helper/GuruServiceConverterHelper.cs
+++ b/Editor/GuruManager/Helper/GuruServiceConverterHelper.cs
@@ -430,7 +430,7 @@ namespace Guru.Editor
             return false;
         }
 
-        private static string[] GetStringArray(string line, int startIndex = 0, int length = 0, string spliter = "\t")
+        private static string[] GetStringArray(string line, int startIndex = 0, int length = 0, char spliter = '\t')
         {
             if (IsInvalidLine(line)) return null;