diff --git a/Engine/Attributes/LCEngineUserHookAttribute.cs b/Engine/Attributes/LCEngineUserHookAttribute.cs
index 00146d3..c9485f1 100644
--- a/Engine/Attributes/LCEngineUserHookAttribute.cs
+++ b/Engine/Attributes/LCEngineUserHookAttribute.cs
@@ -2,8 +2,8 @@
 
 namespace LeanCloud.Engine {
     public enum LCEngineUserHookType {
-        SMS,
-        Email,
+        OnSMSVerified,
+        OnEmailVerified,
         OnLogin
     }
 
diff --git a/Engine/Handlers/LCPingHandler.cs b/Engine/Handlers/LCPingHandler.cs
index dce428d..b00dd69 100644
--- a/Engine/Handlers/LCPingHandler.cs
+++ b/Engine/Handlers/LCPingHandler.cs
@@ -5,7 +5,7 @@ namespace LeanCloud.Engine {
         public static object HandlePing() {
             LCLogger.Debug("Ping ~~~");
             return new Dictionary<string, string> {
-                { "runtime", "dotnet" },
+                { "runtime", "dotnet-3.1" },
                 { "version", LCApplication.SDKVersion }
             };
         }
diff --git a/Engine/LCEngine.cs b/Engine/LCEngine.cs
index cadbae2..67443e7 100644
--- a/Engine/LCEngine.cs
+++ b/Engine/LCEngine.cs
@@ -96,9 +96,9 @@ namespace LeanCloud.Engine {
                 .ToDictionary(mi => {
                     LCEngineUserHookAttribute attr = mi.GetCustomAttribute<LCEngineUserHookAttribute>();
                     switch (attr.HookType) {
-                        case LCEngineUserHookType.SMS:
+                        case LCEngineUserHookType.OnSMSVerified:
                             return OnSMSVerified;
-                        case LCEngineUserHookType.Email:
+                        case LCEngineUserHookType.OnEmailVerified:
                             return OnEmailVerified;
                         case LCEngineUserHookType.OnLogin:
                             return OnLogin;
diff --git a/Sample/LeanEngineApp/Controllers/FunctionController.cs b/Sample/LeanEngineApp/Controllers/FunctionController.cs
new file mode 100644
index 0000000..f10cbc6
--- /dev/null
+++ b/Sample/LeanEngineApp/Controllers/FunctionController.cs
@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+
+namespace LeanEngineApp.Controllers {
+    [ApiController]
+    [Route("{1,1.1}/functions/")]
+    public class FunctionController : ControllerBase {
+        public FunctionController() {
+        }
+
+        [HttpGet("_ops/metadatas")]
+        public Dictionary<string, List<string>> Get() {
+            List<string> functions = new List<string> {
+
+            };
+            return new Dictionary<string, List<string>> {
+                { "result", functions }
+            };
+        }
+
+        public async Task<object> Post() {
+            return null;
+        }
+    }
+}
diff --git a/Sample/LeanEngineApp/Controllers/PingController.cs b/Sample/LeanEngineApp/Controllers/PingController.cs
new file mode 100644
index 0000000..74d9ab5
--- /dev/null
+++ b/Sample/LeanEngineApp/Controllers/PingController.cs
@@ -0,0 +1,27 @@
+using System;
+using System.Threading;
+using System.Collections.Generic;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Logging;
+
+namespace LeanEngineApp.Controllers {
+    [ApiController]
+    [Route("__engine/{1,1.1}/ping")]
+    public class PingController : ControllerBase {
+        private readonly ILogger<PingController> logger;
+
+        public PingController(ILogger<PingController> logger) {
+            this.logger = logger;
+        }
+
+        [HttpGet]
+        public Dictionary<string, string> Get() {
+            Console.WriteLine("ping get to console");
+            logger.LogDebug("ping get to logger");
+            return new Dictionary<string, string> {
+                { "runtime", "dotnet" },
+                { "version", "1.0.0" }
+            };
+        }
+    }
+}
diff --git a/Sample/LeanEngineApp/Controllers/WeatherForecastController.cs b/Sample/LeanEngineApp/Controllers/WeatherForecastController.cs
new file mode 100644
index 0000000..c08cdf9
--- /dev/null
+++ b/Sample/LeanEngineApp/Controllers/WeatherForecastController.cs
@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Logging;
+
+namespace LeanEngineApp.Controllers {
+    [ApiController]
+    [Route("[controller]")]
+    public class WeatherForecastController : ControllerBase {
+        private static readonly string[] Summaries = new[]
+        {
+            "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
+        };
+
+        private readonly ILogger<WeatherForecastController> _logger;
+
+        public WeatherForecastController(ILogger<WeatherForecastController> logger) {
+            _logger = logger;
+        }
+
+        [HttpGet]
+        public IEnumerable<WeatherForecast> Get() {
+            var rng = new Random();
+            return Enumerable.Range(1, 5).Select(index => new WeatherForecast {
+                Date = DateTime.Now.AddDays(index),
+                TemperatureC = rng.Next(-20, 55),
+                Summary = Summaries[rng.Next(Summaries.Length)]
+            })
+            .ToArray();
+        }
+    }
+}
diff --git a/Sample/LeanEngineApp/LeanEngine/CloudFunctionAttribute.cs b/Sample/LeanEngineApp/LeanEngine/CloudFunctionAttribute.cs
new file mode 100644
index 0000000..110ca8a
--- /dev/null
+++ b/Sample/LeanEngineApp/LeanEngine/CloudFunctionAttribute.cs
@@ -0,0 +1,14 @@
+using System;
+
+namespace LeanEngineApp.LeanEngine {
+    [AttributeUsage(AttributeTargets.Method)]
+    public class CloudFunctionAttribute : Attribute {
+        public string Name {
+            get;
+        }
+
+        public CloudFunctionAttribute(string name) {
+            Name = name;
+        }
+    }
+}
diff --git a/Sample/LeanEngineApp/LeanEngine/LeanEngine.cs b/Sample/LeanEngineApp/LeanEngine/LeanEngine.cs
new file mode 100644
index 0000000..9509018
--- /dev/null
+++ b/Sample/LeanEngineApp/LeanEngine/LeanEngine.cs
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+
+namespace LeanEngineApp.LeanEngine {
+    public class LeanEngine {
+        private Dictionary<string, object> dict;
+
+        public LeanEngine() {
+
+        }
+    }
+}
diff --git a/Sample/LeanEngineApp/LeanEngineApp.csproj b/Sample/LeanEngineApp/LeanEngineApp.csproj
new file mode 100644
index 0000000..b0f0402
--- /dev/null
+++ b/Sample/LeanEngineApp/LeanEngineApp.csproj
@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <ReleaseVersion>0.6.4</ReleaseVersion>
+  </PropertyGroup>
+
+
+  <ItemGroup>
+    <Folder Include="LeanEngine\" />
+  </ItemGroup>
+</Project>
diff --git a/Sample/LeanEngineApp/Program.cs b/Sample/LeanEngineApp/Program.cs
new file mode 100644
index 0000000..e5fb3c9
--- /dev/null
+++ b/Sample/LeanEngineApp/Program.cs
@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+
+namespace LeanEngineApp {
+    public class Program {
+        public static void Main(string[] args) {
+            CreateHostBuilder(args).Build().Run();
+        }
+
+        public static IHostBuilder CreateHostBuilder(string[] args) =>
+            Host.CreateDefaultBuilder(args)
+                .ConfigureWebHostDefaults(webBuilder => {
+                    webBuilder.UseStartup<Startup>();
+                });
+    }
+}
diff --git a/Sample/LeanEngineApp/Startup.cs b/Sample/LeanEngineApp/Startup.cs
new file mode 100644
index 0000000..7726e01
--- /dev/null
+++ b/Sample/LeanEngineApp/Startup.cs
@@ -0,0 +1,44 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.HttpsPolicy;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+
+namespace LeanEngineApp {
+    public class Startup {
+        public Startup(IConfiguration configuration) {
+            Configuration = configuration;
+        }
+
+        public IConfiguration Configuration { get; }
+
+        // This method gets called by the runtime. Use this method to add services to the container.
+        public void ConfigureServices(IServiceCollection services) {
+            services.AddControllers();
+        }
+
+        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
+        public void Configure(IApplicationBuilder app, IWebHostEnvironment env) {
+            if (env.IsDevelopment()) {
+                app.UseDeveloperExceptionPage();
+            }
+
+            app.UseHttpsRedirection();
+
+            app.UseRouting();
+
+            app.UseAuthorization();
+
+            app.UseEndpoints(endpoints => {
+                endpoints.MapControllers();
+            });
+        }
+    }
+}
diff --git a/Sample/LeanEngineApp/WeatherForecast.cs b/Sample/LeanEngineApp/WeatherForecast.cs
new file mode 100644
index 0000000..5257525
--- /dev/null
+++ b/Sample/LeanEngineApp/WeatherForecast.cs
@@ -0,0 +1,13 @@
+using System;
+
+namespace LeanEngineApp {
+    public class WeatherForecast {
+        public DateTime Date { get; set; }
+
+        public int TemperatureC { get; set; }
+
+        public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
+
+        public string Summary { get; set; }
+    }
+}
diff --git a/Sample/LeanEngineApp/appsettings.Development.json b/Sample/LeanEngineApp/appsettings.Development.json
new file mode 100644
index 0000000..8983e0f
--- /dev/null
+++ b/Sample/LeanEngineApp/appsettings.Development.json
@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft": "Warning",
+      "Microsoft.Hosting.Lifetime": "Information"
+    }
+  }
+}
diff --git a/Sample/LeanEngineApp/appsettings.json b/Sample/LeanEngineApp/appsettings.json
new file mode 100644
index 0000000..d9d9a9b
--- /dev/null
+++ b/Sample/LeanEngineApp/appsettings.json
@@ -0,0 +1,10 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft": "Warning",
+      "Microsoft.Hosting.Lifetime": "Information"
+    }
+  },
+  "AllowedHosts": "*"
+}