diff --git a/src/DotNetCore.CAP.Dashboard/DashboardRoutes.cs b/src/DotNetCore.CAP.Dashboard/DashboardRoutes.cs
index bfb7aa1..35105cf 100644
--- a/src/DotNetCore.CAP.Dashboard/DashboardRoutes.cs
+++ b/src/DotNetCore.CAP.Dashboard/DashboardRoutes.cs
@@ -128,7 +128,7 @@ namespace DotNetCore.CAP.Dashboard
             
             Routes.AddRazorPage("/nodes", x =>
             {
-                var id = x.Request.Cookies["cap.node"];
+                var id = x.Request.Cookies.ContainsKey("cap.node") ? x.Request.Cookies["cap.node"] : string.Empty;
                 return new NodePage(id);
             });
 
diff --git a/src/DotNetCore.CAP.MySql/IDataStorage.MySql.cs b/src/DotNetCore.CAP.MySql/IDataStorage.MySql.cs
index 4db2b94..b0aced0 100644
--- a/src/DotNetCore.CAP.MySql/IDataStorage.MySql.cs
+++ b/src/DotNetCore.CAP.MySql/IDataStorage.MySql.cs
@@ -141,22 +141,11 @@ namespace DotNetCore.CAP.MySql
                 new MySqlParameter("@timeout", timeout), new MySqlParameter("@batchCount", batchCount));
         }
 
-        public async Task<IEnumerable<MediumMessage>> GetPublishedMessagesOfNeedRetry()
-        {
-            var fourMinAgo = DateTime.Now.AddMinutes(-4).ToString("O");
-            var sql = $"SELECT * FROM `{_pubName}` WHERE `Retries`<{_capOptions.Value.FailedRetryCount} AND `Version`='{_capOptions.Value.Version}' AND `Added`<'{fourMinAgo}' AND (`StatusName` = '{StatusName.Failed}' OR `StatusName` = '{StatusName.Scheduled}') LIMIT 200;";
-
-            return await GetMessagesOfNeedRetryAsync(sql);
-        }
-
-        public async Task<IEnumerable<MediumMessage>> GetReceivedMessagesOfNeedRetry()
-        {
-            var fourMinAgo = DateTime.Now.AddMinutes(-4).ToString("O");
-            var sql =
-                $"SELECT * FROM `{_recName}` WHERE `Retries`<{_capOptions.Value.FailedRetryCount} AND `Version`='{_capOptions.Value.Version}' AND `Added`<'{fourMinAgo}' AND (`StatusName` = '{StatusName.Failed}' OR `StatusName` = '{StatusName.Scheduled}') LIMIT 200;";
+        public async Task<IEnumerable<MediumMessage>> GetPublishedMessagesOfNeedRetry() =>
+            await GetMessagesOfNeedRetryAsync(_pubName);
 
-            return await GetMessagesOfNeedRetryAsync(sql);
-        }
+        public async Task<IEnumerable<MediumMessage>> GetReceivedMessagesOfNeedRetry() =>
+            await GetMessagesOfNeedRetryAsync(_recName);
 
         public IMonitoringApi GetMonitoringApi()
         {
@@ -189,8 +178,13 @@ namespace DotNetCore.CAP.MySql
             connection.ExecuteNonQuery(sql, sqlParams: sqlParams);
         }
 
-        private async Task<IEnumerable<MediumMessage>> GetMessagesOfNeedRetryAsync(string sql)
+        private async Task<IEnumerable<MediumMessage>> GetMessagesOfNeedRetryAsync(string tableName)
         {
+            var fourMinAgo = DateTime.Now.AddMinutes(-4).ToString("O");
+            var sql =
+                $"SELECT `Id`,`Content`,`Retries`,`Added` FROM `{tableName}` WHERE `Retries`<{_capOptions.Value.FailedRetryCount} " +
+                $"AND `Version`='{_capOptions.Value.Version}' AND `Added`<'{fourMinAgo}' AND (`StatusName` = '{StatusName.Failed}' OR `StatusName` = '{StatusName.Scheduled}') LIMIT 200;";
+
             await using var connection = new MySqlConnection(_options.Value.ConnectionString);
             var result = connection.ExecuteReader(sql, reader =>
             {
diff --git a/src/DotNetCore.CAP.PostgreSql/IDataStorage.PostgreSql.cs b/src/DotNetCore.CAP.PostgreSql/IDataStorage.PostgreSql.cs
index 1cf0ce7..aa55d34 100644
--- a/src/DotNetCore.CAP.PostgreSql/IDataStorage.PostgreSql.cs
+++ b/src/DotNetCore.CAP.PostgreSql/IDataStorage.PostgreSql.cs
@@ -143,23 +143,11 @@ namespace DotNetCore.CAP.PostgreSql
             return await Task.FromResult(count);
         }
 
-        public async Task<IEnumerable<MediumMessage>> GetPublishedMessagesOfNeedRetry()
-        {
-            var fourMinAgo = DateTime.Now.AddMinutes(-4).ToString("O");
-            var sql =
-                $"SELECT * FROM {_pubName} WHERE \"Retries\"<{_capOptions.Value.FailedRetryCount} AND \"Version\"='{_capOptions.Value.Version}' AND \"Added\"<'{fourMinAgo}' AND (\"StatusName\"='{StatusName.Failed}' OR \"StatusName\"='{StatusName.Scheduled}') LIMIT 200;";
+        public async Task<IEnumerable<MediumMessage>> GetPublishedMessagesOfNeedRetry() =>
+            await GetMessagesOfNeedRetryAsync(_pubName);
 
-            return await GetMessagesOfNeedRetryAsync(sql);
-        }
-
-        public async Task<IEnumerable<MediumMessage>> GetReceivedMessagesOfNeedRetry()
-        {
-            var fourMinAgo = DateTime.Now.AddMinutes(-4).ToString("O");
-            var sql =
-                $"SELECT * FROM {_recName} WHERE \"Retries\"<{_capOptions.Value.FailedRetryCount} AND \"Version\"='{_capOptions.Value.Version}' AND \"Added\"<'{fourMinAgo}' AND (\"StatusName\"='{StatusName.Failed}' OR \"StatusName\"='{StatusName.Scheduled}') LIMIT 200;";
-
-            return await GetMessagesOfNeedRetryAsync(sql);
-        }
+        public async Task<IEnumerable<MediumMessage>> GetReceivedMessagesOfNeedRetry() =>
+            await GetMessagesOfNeedRetryAsync(_recName);
 
         public IMonitoringApi GetMonitoringApi()
         {
@@ -195,8 +183,13 @@ namespace DotNetCore.CAP.PostgreSql
             connection.ExecuteNonQuery(sql, sqlParams: sqlParams);
         }
 
-        private async Task<IEnumerable<MediumMessage>> GetMessagesOfNeedRetryAsync(string sql)
+        private async Task<IEnumerable<MediumMessage>> GetMessagesOfNeedRetryAsync(string tableName)
         {
+            var fourMinAgo = DateTime.Now.AddMinutes(-4).ToString("O");
+            var sql =
+                $"SELECT \"Id\",\"Content\",\"Retries\",\"Added\" FROM {tableName} WHERE \"Retries\"<{_capOptions.Value.FailedRetryCount} " +
+                $"AND \"Version\"='{_capOptions.Value.Version}' AND \"Added\"<'{fourMinAgo}' AND (\"StatusName\"='{StatusName.Failed}' OR \"StatusName\"='{StatusName.Scheduled}') LIMIT 200;";
+
             await using var connection = new NpgsqlConnection(_options.Value.ConnectionString);
             var result = connection.ExecuteReader(sql, reader =>
             {
diff --git a/src/DotNetCore.CAP.SqlServer/IDataStorage.SqlServer.cs b/src/DotNetCore.CAP.SqlServer/IDataStorage.SqlServer.cs
index 20db036..dc83dec 100644
--- a/src/DotNetCore.CAP.SqlServer/IDataStorage.SqlServer.cs
+++ b/src/DotNetCore.CAP.SqlServer/IDataStorage.SqlServer.cs
@@ -142,24 +142,11 @@ namespace DotNetCore.CAP.SqlServer
             return await Task.FromResult(count);
         }
 
-        public async Task<IEnumerable<MediumMessage>> GetPublishedMessagesOfNeedRetry()
-        {
-            var fourMinAgo = DateTime.Now.AddMinutes(-4).ToString("O");
-            var sql = $"SELECT TOP (200) Id, Content, Retries, Added FROM {_pubName} WITH (readpast) WHERE Retries<{_capOptions.Value.FailedRetryCount} " +
-                      $"AND Version='{_capOptions.Value.Version}' AND Added<'{fourMinAgo}' AND (StatusName = '{StatusName.Failed}' OR StatusName = '{StatusName.Scheduled}')";
-
-            return await GetMessagesOfNeedRetryAsync(sql);
-        }
-
-        public async Task<IEnumerable<MediumMessage>> GetReceivedMessagesOfNeedRetry()
-        {
-            var fourMinAgo = DateTime.Now.AddMinutes(-4).ToString("O");
-            var sql =
-                $"SELECT TOP (200) Id, Content, Retries, Added FROM {_recName} WITH (readpast) WHERE Retries<{_capOptions.Value.FailedRetryCount} " +
-                $"AND Version='{_capOptions.Value.Version}' AND Added<'{fourMinAgo}' AND (StatusName = '{StatusName.Failed}' OR StatusName = '{StatusName.Scheduled}')";
+        public async Task<IEnumerable<MediumMessage>> GetPublishedMessagesOfNeedRetry() =>
+            await GetMessagesOfNeedRetryAsync(_pubName);
 
-            return await GetMessagesOfNeedRetryAsync(sql);
-        }
+        public async Task<IEnumerable<MediumMessage>> GetReceivedMessagesOfNeedRetry() =>
+            await GetMessagesOfNeedRetryAsync(_recName);
 
         public IMonitoringApi GetMonitoringApi()
         {
@@ -195,8 +182,13 @@ namespace DotNetCore.CAP.SqlServer
             connection.ExecuteNonQuery(sql, sqlParams: sqlParams);
         }
 
-        private async Task<IEnumerable<MediumMessage>> GetMessagesOfNeedRetryAsync(string sql)
+        private async Task<IEnumerable<MediumMessage>> GetMessagesOfNeedRetryAsync(string tableName)
         {
+            var fourMinAgo = DateTime.Now.AddMinutes(-4).ToString("O");
+            var sql =
+                $"SELECT TOP (200) Id, Content, Retries, Added FROM {tableName} WITH (readpast) WHERE Retries<{_capOptions.Value.FailedRetryCount} " +
+                $"AND Version='{_capOptions.Value.Version}' AND Added<'{fourMinAgo}' AND (StatusName = '{StatusName.Failed}' OR StatusName = '{StatusName.Scheduled}')";
+
             List<MediumMessage> result;
             using (var connection = new SqlConnection(_options.Value.ConnectionString))
             {
diff --git a/src/DotNetCore.CAP.SqlServer/IMonitoringApi.SqlServer.cs b/src/DotNetCore.CAP.SqlServer/IMonitoringApi.SqlServer.cs
index 3e908d5..0bbfc58 100644
--- a/src/DotNetCore.CAP.SqlServer/IMonitoringApi.SqlServer.cs
+++ b/src/DotNetCore.CAP.SqlServer/IMonitoringApi.SqlServer.cs
@@ -193,7 +193,7 @@ with aggr as (
     where StatusName = @statusName
     group by replace(convert(varchar, Added, 111), '/','-') + '-' + CONVERT(varchar, DATEPART(hh, Added))
 )
-select [Key], [Count] from aggr with (nolock) where [Key] in @keys;";
+select [Key], [Count] from aggr with (nolock) where [Key] >= @minKey and [Key] <= @maxKey;";
 
             //SQL Server 2012+ 
             var sqlQuery = $@"