diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProviderHelper.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProviderHelper.cs
index d1bb0b1da..4c8c2efbc 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProviderHelper.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProviderHelper.cs
@@ -141,11 +141,11 @@ namespace SqlSugar
             }
             else if (pkColumn.UnderType == UtilConstants.GuidType)
             {
-                SetValue(pkColumn, insertData, () => Guid.NewGuid());
+                SetValue(pkColumn, insertData, () => UtilMethods.NewGuid());
             }
             else if (pkColumn.UnderType == UtilConstants.StringType)
             {
-                SetValue(pkColumn, insertData, () => Guid.NewGuid().ToString());
+                SetValue(pkColumn, insertData, () => UtilMethods.NewGuid().ToString());
             }
             else
             {
diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/UpdateNavProviderHelper.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/UpdateNavProviderHelper.cs
index 875d6f0b1..6e444a46f 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/UpdateNavProviderHelper.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/UpdateNavProviderHelper.cs
@@ -164,11 +164,11 @@ namespace SqlSugar
             }
             else if (pkColumn.UnderType == UtilConstants.GuidType)
             {
-                SetValue(pkColumn, UpdateData, () => Guid.NewGuid());
+                SetValue(pkColumn, UpdateData, () => UtilMethods.NewGuid());
             }
             else if (pkColumn.UnderType == UtilConstants.StringType)
             {
-                SetValue(pkColumn, UpdateData, () => Guid.NewGuid().ToString());
+                SetValue(pkColumn, UpdateData, () => UtilMethods.NewGuid().ToString());
             }
             else
             {
diff --git a/Src/Asp.NetCore2/SqlSugar/Utilities/UtilMethods.cs b/Src/Asp.NetCore2/SqlSugar/Utilities/UtilMethods.cs
index c7df0921f..bfac2351c 100644
--- a/Src/Asp.NetCore2/SqlSugar/Utilities/UtilMethods.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Utilities/UtilMethods.cs
@@ -2015,5 +2015,13 @@ namespace SqlSugar
         {
             return context?.SugarContext?.Context?.CurrentConnectionConfig?.MoreSettings ?? new ConnMoreSettings();
         }
+
+        public static object NewGuid()
+        {
+            if (StaticConfig.CustomGuidByValueFunc == null)
+                return Guid.NewGuid();
+            else
+                return StaticConfig.CustomGuidByValueFunc(Guid.NewGuid());
+        }
     }
 }