diff --git a/samples/Sample.Kafka/Startup.cs b/samples/Sample.Kafka/Startup.cs
index be0c759..6cdc56f 100644
--- a/samples/Sample.Kafka/Startup.cs
+++ b/samples/Sample.Kafka/Startup.cs
@@ -38,7 +38,7 @@ namespace Sample.Kafka
 
             app.UseMvc();
 
-            app.UseConsistency();
+            app.UseCap();
         }
     }
 }
\ No newline at end of file
diff --git a/src/DotNetCore.CAP/CAP.AppBuilderExtensions.cs b/src/DotNetCore.CAP/CAP.AppBuilderExtensions.cs
index 897d27d..b5ebb1e 100644
--- a/src/DotNetCore.CAP/CAP.AppBuilderExtensions.cs
+++ b/src/DotNetCore.CAP/CAP.AppBuilderExtensions.cs
@@ -5,16 +5,16 @@ using Microsoft.Extensions.DependencyInjection;
 namespace Microsoft.AspNetCore.Builder
 {
     /// <summary>
-    /// Consistence extensions for <see cref="IApplicationBuilder"/>
+    /// app extensions for <see cref="IApplicationBuilder"/>
     /// </summary>
     public static class AppBuilderExtensions
     {
         ///<summary>
-        /// Enables Consistence for the current application
+        /// Enables cap for the current application
         /// </summary>
         /// <param name="app">The <see cref="IApplicationBuilder"/> instance this method extends.</param>
         /// <returns>The <see cref="IApplicationBuilder"/> instance this method extends.</returns>
-        public static IApplicationBuilder UseConsistency(this IApplicationBuilder app)
+        public static IApplicationBuilder UseCap(this IApplicationBuilder app)
         {
             if (app == null)
             {
diff --git a/src/DotNetCore.CAP/CAP.Builder.cs b/src/DotNetCore.CAP/CAP.Builder.cs
index 1273582..f1d254f 100644
--- a/src/DotNetCore.CAP/CAP.Builder.cs
+++ b/src/DotNetCore.CAP/CAP.Builder.cs
@@ -5,10 +5,13 @@ using DotNetCore.CAP.Job;
 namespace Microsoft.Extensions.DependencyInjection
 {
     /// <summary>
-    /// Used to verify Consistency service was called on a ServiceCollection
+    /// Used to verify cap service was called on a ServiceCollection
     /// </summary>
     public class CapMarkerService { }
 
+    /// <summary>
+    /// Allows fine grained configuration of CAP services.
+    /// </summary>
     public class CapBuilder
     {
         public CapBuilder(IServiceCollection services)
@@ -16,14 +19,23 @@ namespace Microsoft.Extensions.DependencyInjection
             Services = services;
         }
 
+        /// <summary>
+        /// Gets the <see cref="IServiceCollection"/> where MVC services are configured.
+        /// </summary>
         public IServiceCollection Services { get; private set; }
 
+        /// <summary>
+        /// Adds a scoped service of the type specified in serviceType with an implementation
+        /// </summary>
         private CapBuilder AddScoped(Type serviceType, Type concreteType)
         {
             Services.AddScoped(serviceType, concreteType);
             return this;
         }
 
+        /// <summary>
+        /// Adds a singleton service of the type specified in serviceType with an implementation
+        /// </summary>
         private CapBuilder AddSingleton<TService, TImplementation>()
             where TService : class
             where TImplementation : class, TService
@@ -33,7 +45,7 @@ namespace Microsoft.Extensions.DependencyInjection
         }
 
         /// <summary>
-        /// Adds an <see cref="ICapMessageStore"/> .
+        /// Add an <see cref="ICapMessageStore"/> .
         /// </summary>
         /// <typeparam name="T">The type for the <see cref="ICapMessageStore"/> to add. </typeparam>
         /// <returns>The current <see cref="CapBuilder"/> instance.</returns>
@@ -43,12 +55,20 @@ namespace Microsoft.Extensions.DependencyInjection
             return AddScoped(typeof(ICapMessageStore), typeof(T));
         }
 
+        /// <summary>
+        /// Add an <see cref="IJob"/> for process <see cref="CapJob"/>.
+        /// </summary>
+        /// <typeparam name="T">The type of the job.</typeparam>
         public virtual CapBuilder AddJobs<T>()
             where T : class, IJob
         {
             return AddSingleton<IJob, T>();
         }
 
+        /// <summary>
+        /// Add an <see cref="ICapProducerService"/>.
+        /// </summary>
+        /// <typeparam name="T">The type of the service.</typeparam>
         public virtual CapBuilder AddProducerService<T>()
             where T : class, ICapProducerService
         {
diff --git a/src/DotNetCore.CAP/CAP.Options.cs b/src/DotNetCore.CAP/CAP.Options.cs
index c1c24f9..e0c5801 100644
--- a/src/DotNetCore.CAP/CAP.Options.cs
+++ b/src/DotNetCore.CAP/CAP.Options.cs
@@ -7,10 +7,19 @@ namespace DotNetCore.CAP.Infrastructure
     /// </summary>
     public class CapOptions
     {
+        /// <summary>
+        /// kafka or rabbitMQ brokers connection string.
+        /// </summary>
         public string BrokerUrlList { get; set; } = "localhost:9092";
 
+        /// <summary>
+        /// Corn expression for configuring retry cron job. Default is 1 min.
+        /// </summary>
         public string CronExp { get; set; } = Cron.Minutely();
 
+        /// <summary>
+        /// Productor job polling delay time. Default is 8 sec.
+        /// </summary>
         public int PollingDelay { get; set; } = 8;
     }
 }
\ No newline at end of file