diff --git a/.gitignore b/.gitignore
index e457dd12..c6b305e5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -353,5 +353,5 @@ Bootstrap.Admin.xml
 ###### -- Custom Ignore Section, Make sure all files you add to the git repo are below this line  --  ######
 
 # Coverage 
-coverage.xml
+coverage*.xml
 tools/
\ No newline at end of file
diff --git a/UnitTest/BAWebHost.cs b/UnitTest/BAWebHost.cs
index 11e8377e..7f1c78ac 100644
--- a/UnitTest/BAWebHost.cs
+++ b/UnitTest/BAWebHost.cs
@@ -126,11 +126,6 @@ namespace Bootstrap.Admin
                 TestHelper.SQLServerConnectionString = con.GetConnectionString("sqlserver-app");
                 TestHelper.MySqlConnectionString = con.GetConnectionString("mysql-app");
                 TestHelper.NpgSqlConnectionString = con.GetConnectionString("npgsql-app");
-                builder.ConfigureAppConfiguration(app => app.AddInMemoryCollection(new KeyValuePair<string, string>[] {
-                    new KeyValuePair<string, string>("Logging:LogLevel:Default", "Error"),
-                    new KeyValuePair<string, string>("Logging:LogLevel:System", "Error"),
-                    new KeyValuePair<string, string>("Logging:LogLevel:Microsoft", "Error")
-                }));
             }
             else
             {
@@ -141,6 +136,7 @@ namespace Bootstrap.Admin
                     new KeyValuePair<string, string>("MongoDB", con.GetValue("MongoDB", "UnitTest"))
                 }));
             }
+            builder.ConfigureAppConfiguration(app => app.AddJsonFile(TestHelper.RetrievePath($"UnitTest{Path.DirectorySeparatorChar}appsettings.unittest.json"), false, true));
             TestHelper.SQLiteConnectionString = con.GetConnectionString("sqlite");
             TestHelper.ConfigureWebHost(builder);
         }
diff --git a/UnitTest/Bootstrap.Admin/Api/AppsTest.cs b/UnitTest/Bootstrap.Admin/Api/AppsTest.cs
index d4e9f596..5d1e98ad 100644
--- a/UnitTest/Bootstrap.Admin/Api/AppsTest.cs
+++ b/UnitTest/Bootstrap.Admin/Api/AppsTest.cs
@@ -12,7 +12,7 @@ namespace Bootstrap.Admin.Api.SqlServer
         [Fact]
         public async void Get_Ok()
         {
-            var rid = new Role().Retrieves().Where(r => r.RoleName == "Administrators").First().Id;
+            var rid = RoleHelper.Retrieves().Where(r => r.RoleName == "Administrators").First().Id;
             var cates = await Client.GetAsJsonAsync<IEnumerable<App>>(rid);
             Assert.NotEmpty(cates);
         }
diff --git a/UnitTest/Bootstrap.Admin/Api/DictTest.cs b/UnitTest/Bootstrap.Admin/Api/DictTest.cs
index 2cf19b6f..bd357660 100644
--- a/UnitTest/Bootstrap.Admin/Api/DictTest.cs
+++ b/UnitTest/Bootstrap.Admin/Api/DictTest.cs
@@ -23,13 +23,10 @@ namespace Bootstrap.Admin.Api.SqlServer
         [Fact]
         public async void PostAndDelete_Ok()
         {
-            var dict = new Dict();
-            dict.Delete(new Dict().RetrieveDicts().Where(d => d.Category == "UnitTest-Category").Select(d => d.Id));
-
             var ret = await Client.PostAsJsonAsync<BootstrapDict, bool>("", new BootstrapDict() { Name = "UnitTest-Dict", Category = "UnitTest-Category", Code = "0", Define = 0 });
             Assert.True(ret);
 
-            var ids = dict.RetrieveDicts().Where(d => d.Name == "UnitTest-Dict").Select(d => d.Id);
+            var ids = DictHelper.RetrieveDicts().Where(d => d.Name == "UnitTest-Dict").Select(d => d.Id);
             Assert.True(await Client.DeleteAsJsonAsync<IEnumerable<string>, bool>(ids));
         }
     }
diff --git a/UnitTest/Bootstrap.Admin/Api/GroupsTest.cs b/UnitTest/Bootstrap.Admin/Api/GroupsTest.cs
index 95063673..54b44058 100644
--- a/UnitTest/Bootstrap.Admin/Api/GroupsTest.cs
+++ b/UnitTest/Bootstrap.Admin/Api/GroupsTest.cs
@@ -22,7 +22,7 @@ namespace Bootstrap.Admin.Api.SqlServer
         [Fact]
         public async void GetById_Ok()
         {
-            var id = new Group().Retrieves().Where(gp => gp.GroupName == "Admin").First().Id;
+            var id = GroupHelper.Retrieves().Where(gp => gp.GroupName == "Admin").First().Id;
             var g = await Client.GetAsJsonAsync<Group>(id);
             Assert.Equal("Admin", g.GroupName);
         }
@@ -33,18 +33,18 @@ namespace Bootstrap.Admin.Api.SqlServer
             var ret = await Client.PostAsJsonAsync<Group, bool>("", new Group() { GroupName = "UnitTest-Group", Description = "UnitTest-Desc" });
             Assert.True(ret);
 
-            var ids = new Group().Retrieves().Where(d => d.GroupName == "UnitTest-Group").Select(d => d.Id);
+            var ids = GroupHelper.Retrieves().Where(d => d.GroupName == "UnitTest-Group").Select(d => d.Id);
             Assert.True(await Client.DeleteAsJsonAsync<IEnumerable<string>, bool>(ids));
         }
 
         [Fact]
         public async void PostById_Ok()
         {
-            var uid = new User().Retrieves().Where(u => u.UserName == "Admin").First().Id;
+            var uid = UserHelper.Retrieves().Where(u => u.UserName == "Admin").First().Id;
             var ret = await Client.PostAsJsonAsync<string, IEnumerable<Group>>($"{uid}?type=user", string.Empty);
             Assert.NotEmpty(ret);
 
-            var rid = new Role().Retrieves().Where(r => r.RoleName == "Administrators").First().Id;
+            var rid = RoleHelper.Retrieves().Where(r => r.RoleName == "Administrators").First().Id;
             ret = await Client.PostAsJsonAsync<string, IEnumerable<Group>>($"{rid}?type=role", string.Empty);
             Assert.NotEmpty(ret);
         }
@@ -52,12 +52,12 @@ namespace Bootstrap.Admin.Api.SqlServer
         [Fact]
         public async void PutById_Ok()
         {
-            var ids = new Group().Retrieves().Select(g => g.Id);
-            var uid = new User().Retrieves().Where(u => u.UserName == "Admin").First().Id;
+            var ids = GroupHelper.Retrieves().Select(g => g.Id);
+            var uid = UserHelper.Retrieves().Where(u => u.UserName == "Admin").First().Id;
             var ret = await Client.PutAsJsonAsync<IEnumerable<string>, bool>($"{uid}?type=user", ids);
             Assert.True(ret);
 
-            var rid = new Role().Retrieves().Where(r => r.RoleName == "Administrators").First().Id;
+            var rid = RoleHelper.Retrieves().Where(r => r.RoleName == "Administrators").First().Id;
             ret = await Client.PutAsJsonAsync<IEnumerable<string>, bool>($"{rid}?type=role", ids);
             Assert.True(ret);
         }
diff --git a/UnitTest/Bootstrap.Admin/Api/MenusTest.cs b/UnitTest/Bootstrap.Admin/Api/MenusTest.cs
index bdf89f00..d8d211f8 100644
--- a/UnitTest/Bootstrap.Admin/Api/MenusTest.cs
+++ b/UnitTest/Bootstrap.Admin/Api/MenusTest.cs
@@ -26,8 +26,7 @@ namespace Bootstrap.Admin.Api.SqlServer
             var ret = await Client.PostAsJsonAsync<BootstrapMenu, bool>(new BootstrapMenu() { Name = "UnitTest-Menu", Application = "0", Category = "0", ParentId = "0", Url = "#", Target = "_self", IsResource = 0 });
             Assert.True(ret);
 
-            var menu = new Menu();
-            var ids = menu.RetrieveAllMenus("Admin").Where(d => d.Name == "UnitTest-Menu").Select(d => d.Id);
+            var ids = MenuHelper.RetrieveAllMenus("Admin").Where(d => d.Name == "UnitTest-Menu").Select(d => d.Id);
             Assert.True(await Client.DeleteAsJsonAsync<IEnumerable<string>, bool>("", ids));
         }
 
@@ -35,11 +34,11 @@ namespace Bootstrap.Admin.Api.SqlServer
         [Fact]
         public async void PostById_Ok()
         {
-            var uid = new User().Retrieves().Where(u => u.UserName == "Admin").First().Id;
+            var uid = UserHelper.Retrieves().Where(u => u.UserName == "Admin").First().Id;
             var ret = await Client.PostAsJsonAsync<string, IEnumerable<object>>($"{uid}?type=user", string.Empty);
             Assert.NotEmpty(ret);
 
-            var rid = new Role().Retrieves().Where(r => r.RoleName == "Administrators").First().Id;
+            var rid = RoleHelper.Retrieves().Where(r => r.RoleName == "Administrators").First().Id;
             ret = await Client.PostAsJsonAsync<string, IEnumerable<object>>($"{rid}?type=role", string.Empty);
             Assert.NotEmpty(ret);
         }
@@ -47,8 +46,8 @@ namespace Bootstrap.Admin.Api.SqlServer
         [Fact]
         public async void PutById_Ok()
         {
-            var ids = new Menu().RetrieveAllMenus("Admin").Select(g => g.Id);
-            var rid = new Role().Retrieves().Where(r => r.RoleName == "Administrators").First().Id;
+            var ids = MenuHelper.RetrieveAllMenus("Admin").Select(g => g.Id);
+            var rid = RoleHelper.Retrieves().Where(r => r.RoleName == "Administrators").First().Id;
             var ret = await Client.PutAsJsonAsync<IEnumerable<string>, bool>($"{rid}", ids);
             Assert.True(ret);
         }
diff --git a/UnitTest/Bootstrap.Admin/Api/NewTest.cs b/UnitTest/Bootstrap.Admin/Api/NewTest.cs
index 808bd056..bde47d4c 100644
--- a/UnitTest/Bootstrap.Admin/Api/NewTest.cs
+++ b/UnitTest/Bootstrap.Admin/Api/NewTest.cs
@@ -33,7 +33,7 @@ namespace Bootstrap.Admin.Api.SqlServer
             Assert.True(resp);
 
             // 删除新用户
-            nusr.Delete(new string[] { nusr.Id });
+            UserHelper.Delete(new string[] { nusr.Id });
 
             // Reject
             nusr = InsertNewUser();
@@ -48,15 +48,15 @@ namespace Bootstrap.Admin.Api.SqlServer
         private User InsertNewUser()
         {
             // 插入新用户
-            var nusr = new User() { UserName = "UnitTest-Register", DisplayName = "UnitTest", Password = "1", Description = "UnitTest" };
-            Assert.True(new User().Save(nusr));
+            var nusr = new User() { UserName = "UnitTest_New", DisplayName = "UnitTest", Password = "1", Description = "UnitTest" };
+            Assert.True(UserHelper.Save(nusr));
             return nusr;
         }
 
         private void DeleteUnitTestUser()
         {
-            var ids = new User().RetrieveNewUsers().Where(u => u.UserName == "UnitTest-Register").Select(u => u.Id);
-            new User().Delete(ids);
+            var ids = UserHelper.RetrieveNewUsers().Where(u => u.UserName == "UnitTest_New").Select(u => u.Id);
+            UserHelper.Delete(ids);
         }
     }
 }
diff --git a/UnitTest/Bootstrap.Admin/Api/RegisterTest.cs b/UnitTest/Bootstrap.Admin/Api/RegisterTest.cs
index 32a6260d..851c5b4f 100644
--- a/UnitTest/Bootstrap.Admin/Api/RegisterTest.cs
+++ b/UnitTest/Bootstrap.Admin/Api/RegisterTest.cs
@@ -22,7 +22,7 @@ namespace Bootstrap.Admin.Api.SqlServer
             var nusr = new User() { UserName = "UnitTest_RegisterController", DisplayName = "UnitTest", Password = "1", Description = "UnitTest" };
             var resp = await Client.PostAsJsonAsync<User, bool>(nusr);
             Assert.True(resp);
-            nusr.Delete(nusr.RetrieveNewUsers().Where(u => u.UserName == nusr.UserName).Select(u => u.Id));
+            UserHelper.Delete(nusr.RetrieveNewUsers().Where(u => u.UserName == nusr.UserName).Select(u => u.Id));
         }
 
         [Fact]
diff --git a/UnitTest/Bootstrap.Admin/Api/RolesTest.cs b/UnitTest/Bootstrap.Admin/Api/RolesTest.cs
index e2934332..eb3c046a 100644
--- a/UnitTest/Bootstrap.Admin/Api/RolesTest.cs
+++ b/UnitTest/Bootstrap.Admin/Api/RolesTest.cs
@@ -25,16 +25,16 @@ namespace Bootstrap.Admin.Api.SqlServer
             var ret = await Client.PostAsJsonAsync<Role, bool>(new Role() { RoleName = "UnitTest-Role", Description = "UnitTest-Desc" });
             Assert.True(ret);
 
-            var ids = new Role().Retrieves().Where(d => d.RoleName == "UnitTest-Role").Select(d => d.Id);
+            var ids = RoleHelper.Retrieves().Where(d => d.RoleName == "UnitTest-Role").Select(d => d.Id);
             Assert.True(await Client.DeleteAsJsonAsync<IEnumerable<string>, bool>(ids));
         }
 
         [Fact]
         public async void PostById_Ok()
         {
-            var uid = new User().Retrieves().Where(u => u.UserName == "Admin").First().Id;
-            var gid = new Group().Retrieves().Where(g => g.GroupName == "Admin").First().Id;
-            var mid = new Menu().RetrieveAllMenus("Admin").Where(m => m.Url == "~/Admin/Index").First().Id;
+            var uid = UserHelper.Retrieves().Where(u => u.UserName == "Admin").First().Id;
+            var gid = GroupHelper.Retrieves().Where(g => g.GroupName == "Admin").First().Id;
+            var mid = MenuHelper.RetrieveAllMenus("Admin").Where(m => m.Url == "~/Admin/Index").First().Id;
 
             var ret = await Client.PostAsJsonAsync<string, IEnumerable<object>>($"{uid}?type=user", string.Empty);
             Assert.NotEmpty(ret);
@@ -49,10 +49,10 @@ namespace Bootstrap.Admin.Api.SqlServer
         [Fact]
         public async void PutById_Ok()
         {
-            var uid = new User().Retrieves().Where(u => u.UserName == "Admin").First().Id;
-            var gid = new Group().Retrieves().Where(g => g.GroupName == "Admin").First().Id;
-            var mid = new Menu().RetrieveAllMenus("Admin").Where(m => m.Url == "~/Admin/Index").First().Id;
-            var ids = new Role().Retrieves().Select(r => r.Id);
+            var uid = UserHelper.Retrieves().Where(u => u.UserName == "Admin").First().Id;
+            var gid = GroupHelper.Retrieves().Where(g => g.GroupName == "Admin").First().Id;
+            var mid = MenuHelper.RetrieveAllMenus("Admin").Where(m => m.Url == "~/Admin/Index").First().Id;
+            var ids = RoleHelper.Retrieves().Select(r => r.Id);
 
             var ret = await Client.PutAsJsonAsync<IEnumerable<string>, bool>($"{uid}?type=user", ids);
             Assert.True(ret);
diff --git a/UnitTest/Bootstrap.Admin/Api/SettingsTest.cs b/UnitTest/Bootstrap.Admin/Api/SettingsTest.cs
index 2cc0f6da..6379736d 100644
--- a/UnitTest/Bootstrap.Admin/Api/SettingsTest.cs
+++ b/UnitTest/Bootstrap.Admin/Api/SettingsTest.cs
@@ -21,24 +21,23 @@ namespace Bootstrap.Admin.Api.SqlServer
         [Fact]
         public async void Post_Ok()
         {
-            var dict = new Dict();
-            var dicts = dict.RetrieveDicts();
+            var dicts = DictHelper.RetrieveDicts();
 
             var ids = dicts.Where(d => d.Category == "UnitTest-Settings").Select(d => d.Id);
-            dict.Delete(ids);
+            DictHelper.Delete(ids);
 
-            Assert.True(dict.Save(new Dict() { Category = "UnitTest-Settings", Name = "UnitTest", Code = "0", Define = 0 }));
+            Assert.True(DictHelper.Save(new BootstrapDict() { Category = "UnitTest-Settings", Name = "UnitTest", Code = "0", Define = 0 }));
 
             // 获得原来值
-            var resp = await Client.PostAsJsonAsync<BootstrapDict, bool>(new Dict() { Category = "UnitTest-Settings", Name = "UnitTest", Code = "UnitTest" });
+            var resp = await Client.PostAsJsonAsync<BootstrapDict, bool>(new BootstrapDict() { Category = "UnitTest-Settings", Name = "UnitTest", Code = "UnitTest" });
             Assert.True(resp);
 
-            var code = dict.RetrieveDicts().FirstOrDefault(d => d.Category == "UnitTest-Settings").Code;
+            var code = DictHelper.RetrieveDicts().FirstOrDefault(d => d.Category == "UnitTest-Settings").Code;
             Assert.Equal("UnitTest", code);
 
             // Delete 
-            ids = dict.RetrieveDicts().Where(d => d.Category == "UnitTest-Settings").Select(d => d.Id);
-            dict.Delete(ids);
+            ids = DictHelper.RetrieveDicts().Where(d => d.Category == "UnitTest-Settings").Select(d => d.Id);
+            DictHelper.Delete(ids);
         }
 
         internal class CacheCorsItem : ICacheCorsItem
diff --git a/UnitTest/Bootstrap.Admin/Api/UsersTest.cs b/UnitTest/Bootstrap.Admin/Api/UsersTest.cs
index 9559806b..ff3118c7 100644
--- a/UnitTest/Bootstrap.Admin/Api/UsersTest.cs
+++ b/UnitTest/Bootstrap.Admin/Api/UsersTest.cs
@@ -31,30 +31,29 @@ namespace Bootstrap.Admin.Api.SqlServer
         [Fact]
         public async void PostAndDelete_Ok()
         {
-            var user = new User();
-            user.Delete(user.Retrieves().Where(usr => usr.UserName == "UnitTest-Delete").Select(usr => usr.Id));
+            UserHelper.Delete(UserHelper.Retrieves().Where(usr => usr.UserName == "UnitTest_Delete").Select(usr => usr.Id));
 
             var nusr = new User { UserName = "UnitTest_Delete", Password = "1", DisplayName = "DisplayName", ApprovedBy = "System", ApprovedTime = DateTime.Now, Description = "Desc", Icon = "default.jpg" };
             var resp = await Client.PostAsJsonAsync<User, bool>("", nusr);
             Assert.True(resp);
 
-            nusr.Id = user.Retrieves().First(u => u.UserName == nusr.UserName).Id;
+            nusr.Id = UserHelper.Retrieves().First(u => u.UserName == nusr.UserName).Id;
             resp = await Client.PostAsJsonAsync<User, bool>(nusr);
             Assert.True(resp);
 
-            var ids = user.Retrieves().Where(d => d.UserName == nusr.UserName).Select(d => d.Id);
+            var ids = UserHelper.Retrieves().Where(d => d.UserName == nusr.UserName).Select(d => d.Id);
             Assert.True(await Client.DeleteAsJsonAsync<IEnumerable<string>, bool>(ids));
         }
 
         [Fact]
         public async void PostById_Ok()
         {
-            var rid = new Role().Retrieves().Where(r => r.RoleName == "Administrators").First().Id;
+            var rid = RoleHelper.Retrieves().Where(r => r.RoleName == "Administrators").First().Id;
 
             var ret = await Client.PostAsJsonAsync<string, IEnumerable<object>>($"{rid}?type=role", string.Empty);
             Assert.NotNull(ret);
 
-            var gid = new Group().Retrieves().Where(r => r.GroupName == "Admin").First().Id;
+            var gid = GroupHelper.Retrieves().Where(r => r.GroupName == "Admin").First().Id;
             ret = await Client.PostAsJsonAsync<string, IEnumerable<object>>($"{gid}?type=group", string.Empty);
             Assert.NotNull(ret);
 
@@ -65,12 +64,12 @@ namespace Bootstrap.Admin.Api.SqlServer
         [Fact]
         public async void PutById_Ok()
         {
-            var ids = new User().Retrieves().Where(u => u.UserName == "Admin").Select(u => u.Id);
-            var gid = new Group().Retrieves().Where(r => r.GroupName == "Admin").First().Id;
+            var ids = UserHelper.Retrieves().Where(u => u.UserName == "Admin").Select(u => u.Id);
+            var gid = GroupHelper.Retrieves().Where(r => r.GroupName == "Admin").First().Id;
             var ret = await Client.PutAsJsonAsync<IEnumerable<string>, bool>($"{gid}?type=group", ids);
             Assert.True(ret);
 
-            var rid = new Role().Retrieves().Where(r => r.RoleName == "Administrators").First().Id;
+            var rid = RoleHelper.Retrieves().Where(r => r.RoleName == "Administrators").First().Id;
             ret = await Client.PutAsJsonAsync<IEnumerable<string>, bool>($"{rid}?type=role", ids);
             Assert.True(ret);
         }
diff --git a/UnitTest/Bootstrap.DataAccess/DictsTest.cs b/UnitTest/Bootstrap.DataAccess/DictsTest.cs
index e54e45bc..3008a82e 100644
--- a/UnitTest/Bootstrap.DataAccess/DictsTest.cs
+++ b/UnitTest/Bootstrap.DataAccess/DictsTest.cs
@@ -1,4 +1,4 @@
-using Bootstrap.Security;
+using Bootstrap.Security;
 using System;
 using System.Linq;
 using System.Net.Http;
@@ -9,6 +9,8 @@ namespace Bootstrap.DataAccess.SqlServer
     [Collection("SQLServerContext")]
     public class DictsTest
     {
+        protected virtual string DatabaseName { get; set; } = "SQLServer";
+
         [Fact]
         public void SaveAndDelete_Ok()
         {
@@ -168,6 +170,14 @@ namespace Bootstrap.DataAccess.SqlServer
             Assert.Equal("10", DictHelper.RetrieveLocaleIPSvrCachePeriod());
         }
 
+        [Fact]
+        public void DatabaseCheck_Ok()
+        {
+            var dict = new BootstrapDict() { Category = "系统检查", Name = "系统设置", Code = DatabaseName, Define = 0 };
+            Assert.True(DictHelper.Save(dict));
+            Assert.Equal(DatabaseName, DictHelper.RetrieveDicts().FirstOrDefault(d => d.Category == dict.Category && d.Name == dict.Name)?.Code ?? "unknown");
+        }
+
         #region Private Class For Test
         /// <summary>
         /// 
diff --git a/UnitTest/Bootstrap.DataAccess/MongoDB/DictsTest.cs b/UnitTest/Bootstrap.DataAccess/MongoDB/DictsTest.cs
index afb68b6e..872d6d9e 100644
--- a/UnitTest/Bootstrap.DataAccess/MongoDB/DictsTest.cs
+++ b/UnitTest/Bootstrap.DataAccess/MongoDB/DictsTest.cs
@@ -5,6 +5,6 @@ namespace Bootstrap.DataAccess.MongoDB
     [Collection("MongoContext")]
     public class DictsTest : SqlServer.DictsTest
     {
-
+        protected override string DatabaseName { get; set; } = "MongoDB";
     }
 }
diff --git a/UnitTest/Bootstrap.DataAccess/MySql/DictsTest.cs b/UnitTest/Bootstrap.DataAccess/MySql/DictsTest.cs
index 2539b3ee..cb76d60a 100644
--- a/UnitTest/Bootstrap.DataAccess/MySql/DictsTest.cs
+++ b/UnitTest/Bootstrap.DataAccess/MySql/DictsTest.cs
@@ -5,6 +5,6 @@ namespace Bootstrap.DataAccess.MySql
     [Collection("MySqlContext")]
     public class DictsTest : SqlServer.DictsTest
     {
-
+        protected override string DatabaseName { get; set; } = "MySql";
     }
 }
diff --git a/UnitTest/Bootstrap.DataAccess/SQLite/DictsTest.cs b/UnitTest/Bootstrap.DataAccess/SQLite/DictsTest.cs
index 310c614e..27920d1c 100644
--- a/UnitTest/Bootstrap.DataAccess/SQLite/DictsTest.cs
+++ b/UnitTest/Bootstrap.DataAccess/SQLite/DictsTest.cs
@@ -5,6 +5,6 @@ namespace Bootstrap.DataAccess.SQLite
     [Collection("SQLiteContext")]
     public class DictsTest : SqlServer.DictsTest
     {
-
+        protected override string DatabaseName { get; set; } = "SQLite";
     }
 }
diff --git a/UnitTest/UnitTest.csproj b/UnitTest/UnitTest.csproj
index a811fba0..ca3f414d 100644
--- a/UnitTest/UnitTest.csproj
+++ b/UnitTest/UnitTest.csproj
@@ -8,7 +8,10 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="coverlet.msbuild" Version="2.0.0" />
+    <PackageReference Include="coverlet.msbuild" Version="2.6.1">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="Microsoft.AspNetCore.App" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="2.2.0" />
     <PackageReference Include="Microsoft.Data.Sqlite" Version="2.2.4" />
diff --git a/UnitTest/appsettings.json b/UnitTest/appsettings.json
index 6c6c04a0..cb258d09 100644
--- a/UnitTest/appsettings.json
+++ b/UnitTest/appsettings.json
@@ -1,9 +1,4 @@
 {
-  "Logging": {
-    "LogLevel": {
-      "Default": "Debug"
-    }
-  },
   "MongoDB": "UnitTest",
   "ConnectionStrings": {
     "sqlite": "Data Source=UnitTest.db;",
diff --git a/UnitTest/appsettings.unittest.json b/UnitTest/appsettings.unittest.json
new file mode 100644
index 00000000..28ca7f07
--- /dev/null
+++ b/UnitTest/appsettings.unittest.json
@@ -0,0 +1,12 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Error",
+      "System": "Error",
+      "Microsoft": "Error"
+    }
+  },
+  "LongbowCache": {
+    "Enabled": false
+  }
+}
\ No newline at end of file