diff --git a/Src/Asp.NetCore2/SqlSugar.MySqlConnectorCore/SqlSugar.MySqlConnectorCore.csproj b/Src/Asp.NetCore2/SqlSugar.MySqlConnectorCore/SqlSugar.MySqlConnectorCore.csproj
index ba36841c4..1ecbb4091 100644
--- a/Src/Asp.NetCore2/SqlSugar.MySqlConnectorCore/SqlSugar.MySqlConnectorCore.csproj
+++ b/Src/Asp.NetCore2/SqlSugar.MySqlConnectorCore/SqlSugar.MySqlConnectorCore.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>netstandard2.1</TargetFramework>
-    <Version>5.9.1</Version>
+    <Version>5.1.3.1</Version>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/Src/Asp.NetCore2/SqlSugar.MySqlConnectorCore/SqlSugar.MySqlConnectorCore.nuspec b/Src/Asp.NetCore2/SqlSugar.MySqlConnectorCore/SqlSugar.MySqlConnectorCore.nuspec
index 4764dcaf7..1750fd4a6 100644
--- a/Src/Asp.NetCore2/SqlSugar.MySqlConnectorCore/SqlSugar.MySqlConnectorCore.nuspec
+++ b/Src/Asp.NetCore2/SqlSugar.MySqlConnectorCore/SqlSugar.MySqlConnectorCore.nuspec
@@ -2,7 +2,7 @@
 <package >
   <metadata>
     <id>SqlSugar.MySqlConnectorCore</id>
-    <version>5.9.5</version>
+    <version>5.1.3.1</version>
     <authors>sunkaixuan</authors>
     <owners>Landa</owners>
     <licenseUrl>http://www.apache.org/licenses/LICENSE-2.0.html</licenseUrl>