diff --git a/Src/Asp.Net/SqlSugar.Access/SqlSugar.Access.nuspec b/Src/Asp.Net/SqlSugar.Access/SqlSugar.Access.nuspec
index 4791a161f..652cb61c6 100644
--- a/Src/Asp.Net/SqlSugar.Access/SqlSugar.Access.nuspec
+++ b/Src/Asp.Net/SqlSugar.Access/SqlSugar.Access.nuspec
@@ -2,7 +2,7 @@
 <package >
   <metadata>
     <id>SqlSugar.Access</id>
-    <version>1.1</version>
+    <version>1.2</version>
     <title>SqlSugar.Access Framework</title>
     <authors>sun kaixuan</authors>
     <owners>landa</owners>
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar.AccessCore/Access/SqlBuilder/AccessUpdateBuilder.cs b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar.AccessCore/Access/SqlBuilder/AccessUpdateBuilder.cs
index e5e58357c..84dcd97a8 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar.AccessCore/Access/SqlBuilder/AccessUpdateBuilder.cs
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar.AccessCore/Access/SqlBuilder/AccessUpdateBuilder.cs
@@ -10,7 +10,18 @@ namespace SqlSugar.Access
     {
         protected override string TomultipleSqlString(List<IGrouping<int, DbColumnInfo>> groupList)
         {
-            throw new Exception("access no support batch update");
+            if (groupList.Count == 0) 
+            {
+                return null;
+            }
+            else if (groupList.GroupBy(it => it.Key).Count() > 1)
+            {
+                throw new Exception("access no support batch update");
+            }
+            else 
+            {
+                return ToSingleSqlString(groupList);
+            }
         }
          
     }
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar.AccessCore/SqlSugar.AccessCore.csproj b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar.AccessCore/SqlSugar.AccessCore.csproj
index 2e1e5096f..089cff927 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar.AccessCore/SqlSugar.AccessCore.csproj
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar.AccessCore/SqlSugar.AccessCore.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>netstandard2.1</TargetFramework>
-    <Version>1.1.0</Version>
+    <Version>1.2.0</Version>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar.AccessCore/SqlSugar.AccessCore.nuspec b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar.AccessCore/SqlSugar.AccessCore.nuspec
index 078ec3019..60aaacc48 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar.AccessCore/SqlSugar.AccessCore.nuspec
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar.AccessCore/SqlSugar.AccessCore.nuspec
@@ -2,7 +2,7 @@
 <package >
   <metadata>
     <id>SqlSugar.AccessCore</id>
-    <version>1.1</version>
+    <version>1.2</version>
     <authors>sunkaixuan</authors>
     <owners>Landa</owners>
     <licenseUrl>http://www.apache.org/licenses/LICENSE-2.0.html</licenseUrl>