diff --git a/framework/src/Volo.Abp.FluentValidation/Volo/Abp/FluentValidation/AbpFluentValidationConventionalRegistrar.cs b/framework/src/Volo.Abp.FluentValidation/Volo/Abp/FluentValidation/AbpFluentValidationConventionalRegistrar.cs
index e16450c213..9641b438b0 100644
--- a/framework/src/Volo.Abp.FluentValidation/Volo/Abp/FluentValidation/AbpFluentValidationConventionalRegistrar.cs
+++ b/framework/src/Volo.Abp.FluentValidation/Volo/Abp/FluentValidation/AbpFluentValidationConventionalRegistrar.cs
@@ -9,17 +9,21 @@ namespace Volo.Abp.FluentValidation
     {
         public override void AddType(IServiceCollection services, Type type)
         {
-            if (typeof(IValidator).IsAssignableFrom(type))
+            if (!typeof(IValidator).IsAssignableFrom(type))
             {
-                var dtoType = GetFirstGenericArgumentOrNull(type, 1);
-                if (dtoType != null)
-                {
-                    var serverType = typeof(IValidator<>).MakeGenericType(dtoType);
-                    var serviceDescriptor = ServiceDescriptor.Describe(serverType, type, ServiceLifetime.Transient);
+                return;
+            }
 
-                    services.Add(serviceDescriptor);
-                }
+            var validatingType = GetFirstGenericArgumentOrNull(type, 1);
+            if (validatingType == null)
+            {
+                return;
             }
+
+            services.AddTransient(
+                typeof(IValidator<>).MakeGenericType(validatingType),
+                type
+            );
         }
 
         private static Type GetFirstGenericArgumentOrNull(Type type, int depth)
@@ -30,6 +34,7 @@ namespace Volo.Abp.FluentValidation
             {
                 return null;
             }
+
             if (type.IsGenericType && type.GetGenericArguments().Length >= 1)
             {
                 return type.GetGenericArguments()[0];
diff --git a/framework/src/Volo.Abp.FluentValidation/Volo/Abp/FluentValidation/AbpFluentValidationModule.cs b/framework/src/Volo.Abp.FluentValidation/Volo/Abp/FluentValidation/AbpFluentValidationModule.cs
index e48404a36d..bbd5d2c888 100644
--- a/framework/src/Volo.Abp.FluentValidation/Volo/Abp/FluentValidation/AbpFluentValidationModule.cs
+++ b/framework/src/Volo.Abp.FluentValidation/Volo/Abp/FluentValidation/AbpFluentValidationModule.cs
@@ -4,7 +4,9 @@ using Volo.Abp.Validation;
 
 namespace Volo.Abp.FluentValidation
 {
-    [DependsOn(typeof(AbpValidationModule))]
+    [DependsOn(
+        typeof(AbpValidationModule)
+        )]
     public class AbpFluentValidationModule : AbpModule
     {
         public override void PreConfigureServices(ServiceConfigurationContext context)
@@ -16,7 +18,7 @@ namespace Volo.Abp.FluentValidation
         {
             Configure<AbpValidationOptions>(options =>
             {
-                options.ValidationContributor.Add<FluentMethodInvocationValidator>();
+                options.MethodValidationContributors.Add<FluentMethodInvocationValidator>();
             });
         }
     }
diff --git a/framework/src/Volo.Abp.FluentValidation/Volo/Abp/FluentValidation/FluentMethodInvocationValidator.cs b/framework/src/Volo.Abp.FluentValidation/Volo/Abp/FluentValidation/FluentMethodInvocationValidator.cs
index 4749802cb1..0868093181 100644
--- a/framework/src/Volo.Abp.FluentValidation/Volo/Abp/FluentValidation/FluentMethodInvocationValidator.cs
+++ b/framework/src/Volo.Abp.FluentValidation/Volo/Abp/FluentValidation/FluentMethodInvocationValidator.cs
@@ -11,7 +11,8 @@ namespace Volo.Abp.FluentValidation
     {
         private readonly IServiceProvider _serviceProvider;
 
-        public FluentMethodInvocationValidator(IServiceProvider serviceProvider)
+        public FluentMethodInvocationValidator(
+            IServiceProvider serviceProvider)
         {
             _serviceProvider = serviceProvider;
         }
@@ -22,21 +23,28 @@ namespace Volo.Abp.FluentValidation
 
             foreach (var parameterValue in context.ParameterValues)
             {
-                var serverType = typeof(IValidator<>).MakeGenericType(parameterValue.GetType());
+                var serviceType = typeof(IValidator<>).MakeGenericType(parameterValue.GetType());
+                var validator = _serviceProvider.GetService(serviceType) as IValidator;
+                if (validator == null)
+                {
+                    continue;
+                }
 
-                if (_serviceProvider.GetService(serverType) is IValidator validator)
+                var result = validator.Validate(parameterValue);
+                if (!result.IsValid)
                 {
-                    var result = validator.Validate(parameterValue);
-                    if (!result.IsValid)
-                    {
-                        validationResult.Errors.AddRange(result.Errors.Select(error =>
-                            new ValidationResult(error.ErrorMessage)));
-                    }
+                    validationResult.Errors.AddRange(
+                        result.Errors.Select(
+                            error =>
+                                new ValidationResult(error.ErrorMessage)
+                        )
+                    );
                 }
             }
 
             if (validationResult.Errors.Any())
             {
+                //TODO: How to localize messages?
                 throw new AbpValidationException(
                     "Method arguments are not valid! See ValidationErrors for details.",
                     context.Errors
diff --git a/framework/src/Volo.Abp.Validation/Volo/Abp/Validation/AbpValidationModule.cs b/framework/src/Volo.Abp.Validation/Volo/Abp/Validation/AbpValidationModule.cs
index 39041e044c..f47594a88a 100644
--- a/framework/src/Volo.Abp.Validation/Volo/Abp/Validation/AbpValidationModule.cs
+++ b/framework/src/Volo.Abp.Validation/Volo/Abp/Validation/AbpValidationModule.cs
@@ -14,7 +14,7 @@ namespace Volo.Abp.Validation
         {
             Configure<AbpValidationOptions>(options =>
             {
-                options.ValidationContributor.Add<MethodInvocationValidator>();
+                options.MethodValidationContributors.Add<MethodInvocationValidator>();
             });
         }
     }
diff --git a/framework/src/Volo.Abp.Validation/Volo/Abp/Validation/AbpValidationOptions.cs b/framework/src/Volo.Abp.Validation/Volo/Abp/Validation/AbpValidationOptions.cs
index 69737e5fb6..c88449da1a 100644
--- a/framework/src/Volo.Abp.Validation/Volo/Abp/Validation/AbpValidationOptions.cs
+++ b/framework/src/Volo.Abp.Validation/Volo/Abp/Validation/AbpValidationOptions.cs
@@ -8,12 +8,12 @@ namespace Volo.Abp.Validation
     {
         public List<Type> IgnoredTypes { get; }
 
-        public ITypeList<IMethodInvocationValidator> ValidationContributor { get; set; }
+        public ITypeList<IMethodInvocationValidator> MethodValidationContributors { get; set; }
 
         public AbpValidationOptions()
         {
             IgnoredTypes = new List<Type>();
-            ValidationContributor = new TypeList<IMethodInvocationValidator>();
+            MethodValidationContributors = new TypeList<IMethodInvocationValidator>();
         }
     }
 }
\ No newline at end of file
diff --git a/framework/src/Volo.Abp.Validation/Volo/Abp/Validation/ValidationInterceptor.cs b/framework/src/Volo.Abp.Validation/Volo/Abp/Validation/ValidationInterceptor.cs
index f15554d1c7..3b5d519c0c 100644
--- a/framework/src/Volo.Abp.Validation/Volo/Abp/Validation/ValidationInterceptor.cs
+++ b/framework/src/Volo.Abp.Validation/Volo/Abp/Validation/ValidationInterceptor.cs
@@ -47,7 +47,7 @@ namespace Volo.Abp.Validation
 
         protected virtual void Validate(IAbpMethodInvocation invocation)
         {
-            foreach (var validationContributor in _abpValidationOptions.ValidationContributor)
+            foreach (var validationContributor in _abpValidationOptions.MethodValidationContributors)
             {
                 var validator = (IMethodInvocationValidator) _serviceProvider.GetRequiredService(validationContributor);