diff --git a/Src/Asp.NetCore2/SqlSugar/SqlSugarClient.cs b/Src/Asp.NetCore2/SqlSugar/SqlSugarClient.cs
index 9353dafd0..80580544e 100644
--- a/Src/Asp.NetCore2/SqlSugar/SqlSugarClient.cs
+++ b/Src/Asp.NetCore2/SqlSugar/SqlSugarClient.cs
@@ -1452,7 +1452,7 @@ namespace SqlSugar
             {
                 if (item.ConfigId == null)
                 {
-                    item.ConfigId = Guid.NewGuid().ToString();
+                    item.ConfigId = "";
                 }
             }
         }
diff --git a/Src/Asp.NetCore2/SqlSugar/SqlSugarForCore.nuspec b/Src/Asp.NetCore2/SqlSugar/SqlSugarForCore.nuspec
index 27be423b9..86683991d 100644
--- a/Src/Asp.NetCore2/SqlSugar/SqlSugarForCore.nuspec
+++ b/Src/Asp.NetCore2/SqlSugar/SqlSugarForCore.nuspec
@@ -2,7 +2,7 @@
 <package >
   <metadata>
     <id>SqlSugarCore</id>
-    <version>5.1.4.90</version>
+    <version>5.1.4.91</version>
     <authors>sunkaixuan</authors>
     <owners>果糖大数据科技</owners>
     <licenseUrl>http://www.apache.org/licenses/LICENSE-2.0.html</licenseUrl>
diff --git a/Src/Asp.NetCore2/SqlSugar/SqlSugarForCoreNoDrive.nuspec b/Src/Asp.NetCore2/SqlSugar/SqlSugarForCoreNoDrive.nuspec
index 119ab121d..45af2ba2d 100644
--- a/Src/Asp.NetCore2/SqlSugar/SqlSugarForCoreNoDrive.nuspec
+++ b/Src/Asp.NetCore2/SqlSugar/SqlSugarForCoreNoDrive.nuspec
@@ -2,7 +2,7 @@
 <package >
   <metadata>
     <id>SqlSugarCoreNoDrive</id>
-    <version>5.1.4.90</version>
+    <version>5.1.4.91</version>
     <authors>sunkaixuan</authors>
     <owners>Landa</owners>
     <licenseUrl>http://www.apache.org/licenses/LICENSE-2.0.html</licenseUrl>