diff --git a/Src/Asp.Net/SqlSugar/Realization/Oracle/OracleProvider.cs b/Src/Asp.Net/SqlSugar/Realization/Oracle/OracleProvider.cs
index 094775554..0bece41d6 100644
--- a/Src/Asp.Net/SqlSugar/Realization/Oracle/OracleProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/Oracle/OracleProvider.cs
@@ -17,7 +17,7 @@ namespace SqlSugar
             {
                 sql = sql.Replace("+@", "+:");
                 if (sql.HasValue()&&sql.Contains("@")) {
-                    var exceptionalCaseInfo = Regex.Matches(sql, @"\'[^\=]*?\@.*?\'|[\.,\w]+\@[\.,\w]+ | [\.,\w]+\@[\.,\w]+|[\.,\w]+\@[\.,\w]+ |\d+\@\d|\@\@|\.""\@\w{1,25}""");
+                    var exceptionalCaseInfo = Regex.Matches(sql, @"\'[^\=]*?\@.*?\'|[\.,\w]+\@[\.,\w]+ | [\.,\w]+\@[\.,\w]+|[\.,\w]+\@[\.,\w]+ |\d+\@\d|\@\@|\w{1,25}\.""\w{1,25}""\@\w{1,25}");
                     if (exceptionalCaseInfo != null) {
                         foreach (var item in exceptionalCaseInfo.Cast<Match>())
                         {