diff --git a/Src/Asp.NetCore1_StopUpdate/SqlServerTest/src/SqlSugar/SqlSugarForCore.nuspec b/Src/Asp.NetCore1_StopUpdate/SqlServerTest/src/SqlSugar/SqlSugarForCore.nuspec
index 87132fdb8..3faf8b58e 100644
--- a/Src/Asp.NetCore1_StopUpdate/SqlServerTest/src/SqlSugar/SqlSugarForCore.nuspec
+++ b/Src/Asp.NetCore1_StopUpdate/SqlServerTest/src/SqlSugar/SqlSugarForCore.nuspec
@@ -2,7 +2,7 @@
 <package >
   <metadata>
     <id>sqlSugarCore</id>
-    <version>4.5.2.3</version>
+    <version>4.5.2.6</version>
     <authors>sunkaixuan</authors>
     <owners>Landa</owners>
     <licenseUrl>http://www.apache.org/licenses/LICENSE-2.0.html</licenseUrl>
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/MySql/DbMaintenance/MySqlDbMaintenance.cs b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/MySql/DbMaintenance/MySqlDbMaintenance.cs
index 5b25d2778..0e63cfe4d 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/MySql/DbMaintenance/MySqlDbMaintenance.cs
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/MySql/DbMaintenance/MySqlDbMaintenance.cs
@@ -187,7 +187,7 @@ namespace SqlSugar
                 {
                     if (item.DbColumnName.Equals("GUID",StringComparison.CurrentCultureIgnoreCase))
                     {
-                        item.Length = 10;
+                        item.Length = 36;
                     }
                 }
             }