diff --git a/Src/Asp.Net/MySqlConnectorTest/MySqlConnectorTest.csproj b/Src/Asp.Net/MySqlConnectorTest/MySqlConnectorTest.csproj
index 4b705ff09..c2f2f70de 100644
--- a/Src/Asp.Net/MySqlConnectorTest/MySqlConnectorTest.csproj
+++ b/Src/Asp.Net/MySqlConnectorTest/MySqlConnectorTest.csproj
@@ -125,10 +125,6 @@
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\SqlSugar.MySqlConnector\SqlSugar.MySqlConnector.csproj">
-      <Project>{d131ee06-bad4-4b80-b7de-d6f539087644}</Project>
-      <Name>SqlSugar.MySqlConnector</Name>
-    </ProjectReference>
     <ProjectReference Include="..\SqlSugar\SqlSugar.csproj">
       <Project>{489bb790-226c-4fad-8d1e-51d72a7ff8e5}</Project>
       <Name>SqlSugar</Name>
diff --git a/Src/Asp.Net/SqlSugar/Infrastructure/InstanceFactory.cs b/Src/Asp.Net/SqlSugar/Infrastructure/InstanceFactory.cs
index ffafae519..993197b74 100644
--- a/Src/Asp.Net/SqlSugar/Infrastructure/InstanceFactory.cs
+++ b/Src/Asp.Net/SqlSugar/Infrastructure/InstanceFactory.cs
@@ -497,7 +497,16 @@ namespace SqlSugar
         {
             var key = "Assembly_"+ CustomTypeName+assembly.GetHashCode();
             var newAssembly = new ReflectionInoCacheService().GetOrCreate<Assembly>(key, () => {
-                return Assembly.LoadFrom(CustomTypeName + ".dll");
+                try
+                {
+                    return Assembly.LoadFrom(CustomTypeName + ".dll");
+                }
+                catch 
+                {
+                    var message = "Not Found " + CustomTypeName + ".dll";
+                    Check.Exception(true, message);
+                    return null;
+                }
             });
             Type type = newAssembly.GetType(className);
             return type;