diff --git a/samples/apis/Backet.Api/Startup.cs b/samples/apis/Backet.Api/Startup.cs
index 8ef5c57..135aede 100644
--- a/samples/apis/Backet.Api/Startup.cs
+++ b/samples/apis/Backet.Api/Startup.cs
@@ -34,6 +34,7 @@ namespace Backet.Api
                     option.Password = Configuration["RabbitmqConfig:HostPassword"];
                     option.UserName = Configuration["RabbitmqConfig:HostUserName"];
                 });
+                config.AddEntityFrameworkEventStorage<BacketDbContext>();
             });
 
             services.ConfigureGrainStorageOptions<BacketDbContext, BacketGrain, Backet.Api.Domain.AggregatesModel.BacketAggregate.Backet>(
@@ -46,9 +47,9 @@ namespace Backet.Api
         }
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
-        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
+        public void Configure(IApplicationBuilder app)
         {
-            if (env.IsDevelopment())
+            if (Environment.IsDevelopment())
             {
                 app.UseDeveloperExceptionPage();
             }
diff --git a/samples/apis/Backet.Api/appsettings.json b/samples/apis/Backet.Api/appsettings.json
index e104568..aefd67c 100644
--- a/samples/apis/Backet.Api/appsettings.json
+++ b/samples/apis/Backet.Api/appsettings.json
@@ -8,13 +8,13 @@
     }
   },
   "postgres": {
-    "write": "Server=115.238.140.58;Port=5432;Username=postgres;Password=comteck2020!@#;Database=Pole-Backet;Enlist=True;Timeout=0;Command Timeout=600;Pooling=false;MinPoolSize=20;MaxPoolSize=500;"
+    "write": "Server=192.168.0.41;Port=5432;Username=postgres;Password=comteck2020!@#;Database=Pole-Backet;Enlist=True;Timeout=0;Command Timeout=600;Pooling=false;MinPoolSize=20;MaxPoolSize=500;"
   },
   "ServiceName": "Backet",
   "RabbitmqConfig": {
-    "HostAddress": "rabbitmq://192.168.0.248/",
-    "HostUserName": "comteck",
-    "HostPassword": "comteck3030"
+    "HostAddress": "rabbitmq://192.168.0.41/",
+    "HostUserName": "test",
+    "HostPassword": "test"
   }
   //"Kestrel": {
   //  "EndpointDefaults": {
diff --git a/samples/apis/Product.Api/appsettings.Development.json b/samples/apis/Product.Api/appsettings.Development.json
index d1b496a..53dbfcb 100644
--- a/samples/apis/Product.Api/appsettings.Development.json
+++ b/samples/apis/Product.Api/appsettings.Development.json
@@ -7,13 +7,13 @@
       "Grpc": "Information"
     }
   },
+  "ServiceName": "Product",
   "postgres": {
-    "write": "Server=115.238.140.58;Port=5432;Username=postgres;Password=comteck2020!@#;Database=Pole-Product;Enlist=True;Timeout=0;Command Timeout=600;Pooling=false;MinPoolSize=20;MaxPoolSize=500;"
+    "write": "Server=192.168.0.41;Port=5432;Username=postgres;Password=comteck2020!@#;Database=Pole-Backet;Enlist=True;Timeout=0;Command Timeout=600;Pooling=false;MinPoolSize=20;MaxPoolSize=500;"
   },
-  "ServiceName": "Product",
   "RabbitmqConfig": {
-    "HostAddress": "rabbitmq://192.168.0.248/",
-    "HostUserName": "comteck",
-    "HostPassword": "comteck3030"
+    "HostAddress": "rabbitmq://192.168.0.41/",
+    "HostUserName": "test",
+    "HostPassword": "test"
   }
 }
diff --git a/samples/apis/Product.Api/appsettings.json b/samples/apis/Product.Api/appsettings.json
index 695417e..aefd67c 100644
--- a/samples/apis/Product.Api/appsettings.json
+++ b/samples/apis/Product.Api/appsettings.json
@@ -8,13 +8,13 @@
     }
   },
   "postgres": {
-    "write": "Server=192.168.0.248;Port=5432;Username=postgres;Password=comteck2020!@#;Database=Pole_samples_Product;Enlist=True;Timeout=0;Command Timeout=600;Pooling=false;MinPoolSize=20;MaxPoolSize=500;"
+    "write": "Server=192.168.0.41;Port=5432;Username=postgres;Password=comteck2020!@#;Database=Pole-Backet;Enlist=True;Timeout=0;Command Timeout=600;Pooling=false;MinPoolSize=20;MaxPoolSize=500;"
   },
-  "ServiceName": "Product",
+  "ServiceName": "Backet",
   "RabbitmqConfig": {
-    "HostAddress": "rabbitmq://192.168.0.248/",
-    "HostUserName": "comteck",
-    "HostPassword": "comteck3030"
+    "HostAddress": "rabbitmq://192.168.0.41/",
+    "HostUserName": "test",
+    "HostPassword": "test"
   }
   //"Kestrel": {
   //  "EndpointDefaults": {