diff --git a/src/DotNetCore.CAP.MySql/MySqlStorage.cs b/src/DotNetCore.CAP.MySql/MySqlStorage.cs
index 98fa0de..e0170de 100644
--- a/src/DotNetCore.CAP.MySql/MySqlStorage.cs
+++ b/src/DotNetCore.CAP.MySql/MySqlStorage.cs
@@ -81,7 +81,11 @@ CREATE TABLE IF NOT EXISTS `{prefix}.published` (
   `ExpiresAt` datetime DEFAULT NULL,
   `StatusName` varchar(40) NOT NULL,
   PRIMARY KEY (`Id`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8;";
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
+ALTER TABLE `{prefix}.published` MODIFY Id BIGINT NOT NULL;
+ALTER TABLE `{prefix}.received` MODIFY Id BIGINT NOT NULL;
+";
             return batchSql;
         }
 
diff --git a/src/DotNetCore.CAP.MySql/MySqlStorageConnection.cs b/src/DotNetCore.CAP.MySql/MySqlStorageConnection.cs
index b212178..97aadf6 100644
--- a/src/DotNetCore.CAP.MySql/MySqlStorageConnection.cs
+++ b/src/DotNetCore.CAP.MySql/MySqlStorageConnection.cs
@@ -30,7 +30,7 @@ namespace DotNetCore.CAP.MySql
             return new MySqlStorageTransaction(this);
         }
 
-        public async Task<CapPublishedMessage> GetPublishedMessageAsync(int id)
+        public async Task<CapPublishedMessage> GetPublishedMessageAsync(long id)
         {
             var sql = $@"SELECT * FROM `{_prefix}.published` WHERE `Id`={id};";
 
@@ -52,7 +52,7 @@ namespace DotNetCore.CAP.MySql
             }
         }
 
-        public Task StoreReceivedMessageAsync(CapReceivedMessage message)
+        public void StoreReceivedMessage(CapReceivedMessage message)
         {
             if (message == null)
             {
@@ -60,16 +60,16 @@ namespace DotNetCore.CAP.MySql
             }
 
             var sql = $@"
-INSERT INTO `{_prefix}.received`(`Name`,`Group`,`Content`,`Retries`,`Added`,`ExpiresAt`,`StatusName`)
-VALUES(@Name,@Group,@Content,@Retries,@Added,@ExpiresAt,@StatusName);";
+INSERT INTO `{_prefix}.received`(`Id`,`Name`,`Group`,`Content`,`Retries`,`Added`,`ExpiresAt`,`StatusName`)
+VALUES(@Id,@Name,@Group,@Content,@Retries,@Added,@ExpiresAt,@StatusName);";
 
             using (var connection = new MySqlConnection(Options.ConnectionString))
             {
-                return connection.ExecuteScalarAsync<int>(sql, message);
+                connection.Execute(sql, message);
             }
         }
 
-        public async Task<CapReceivedMessage> GetReceivedMessageAsync(int id)
+        public async Task<CapReceivedMessage> GetReceivedMessageAsync(long id)
         {
             var sql = $@"SELECT * FROM `{_prefix}.received` WHERE Id={id};";
             using (var connection = new MySqlConnection(Options.ConnectionString))
@@ -89,7 +89,7 @@ VALUES(@Name,@Group,@Content,@Retries,@Added,@ExpiresAt,@StatusName);";
             }
         }
 
-        public bool ChangePublishedState(int messageId, string state)
+        public bool ChangePublishedState(long messageId, string state)
         {
             var sql =
                 $"UPDATE `{_prefix}.published` SET `Retries`=`Retries`+1,`ExpiresAt`=NULL,`StatusName` = '{state}' WHERE `Id`={messageId}";
@@ -100,7 +100,7 @@ VALUES(@Name,@Group,@Content,@Retries,@Added,@ExpiresAt,@StatusName);";
             }
         }
 
-        public bool ChangeReceivedState(int messageId, string state)
+        public bool ChangeReceivedState(long messageId, string state)
         {
             var sql =
                 $"UPDATE `{_prefix}.received` SET `Retries`=`Retries`+1,`ExpiresAt`=NULL,`StatusName` = '{state}' WHERE `Id`={messageId}";
diff --git a/src/DotNetCore.CAP/Dashboard/DashboardRoutes.cs b/src/DotNetCore.CAP/Dashboard/DashboardRoutes.cs
index 9a51faa..34f3aee 100644
--- a/src/DotNetCore.CAP/Dashboard/DashboardRoutes.cs
+++ b/src/DotNetCore.CAP/Dashboard/DashboardRoutes.cs
@@ -82,14 +82,14 @@ namespace DotNetCore.CAP.Dashboard
 
             Routes.AddJsonResult("/published/message/(?<Id>.+)", x =>
             {
-                var id = int.Parse(x.UriMatch.Groups["Id"].Value);
+                var id = long.Parse(x.UriMatch.Groups["Id"].Value);
                 var message = x.Storage.GetConnection().GetPublishedMessageAsync(id)
                     .GetAwaiter().GetResult();
                 return message.Content;
             });
             Routes.AddJsonResult("/received/message/(?<Id>.+)", x =>
             {
-                var id = int.Parse(x.UriMatch.Groups["Id"].Value);
+                var id = long.Parse(x.UriMatch.Groups["Id"].Value);
                 var message = x.Storage.GetConnection().GetReceivedMessageAsync(id)
                     .GetAwaiter().GetResult();
                 return message.Content;
diff --git a/src/DotNetCore.CAP/Dashboard/Monitoring/MessageDto.cs b/src/DotNetCore.CAP/Dashboard/Monitoring/MessageDto.cs
index 1a256ba..0baaec4 100644
--- a/src/DotNetCore.CAP/Dashboard/Monitoring/MessageDto.cs
+++ b/src/DotNetCore.CAP/Dashboard/Monitoring/MessageDto.cs
@@ -7,7 +7,7 @@ namespace DotNetCore.CAP.Dashboard.Monitoring
 {
     public class MessageDto
     {
-        public int Id { get; set; }
+        public long Id { get; set; }
 
         public string Group { get; set; }
 
diff --git a/src/DotNetCore.CAP/IStorageConnection.cs b/src/DotNetCore.CAP/IStorageConnection.cs
index b694737..e305f58 100644
--- a/src/DotNetCore.CAP/IStorageConnection.cs
+++ b/src/DotNetCore.CAP/IStorageConnection.cs
@@ -19,7 +19,7 @@ namespace DotNetCore.CAP
         /// Returns the message with the given id.
         /// </summary>
         /// <param name="id">The message's id.</param>
-        Task<CapPublishedMessage> GetPublishedMessageAsync(int id);
+        Task<CapPublishedMessage> GetPublishedMessageAsync(long id);
 
         /// <summary>
         /// Returns executed failed messages.
@@ -32,13 +32,13 @@ namespace DotNetCore.CAP
         /// Stores the message.
         /// </summary>
         /// <param name="message">The message to store.</param>
-        Task StoreReceivedMessageAsync(CapReceivedMessage message);
+        void StoreReceivedMessage(CapReceivedMessage message);
 
         /// <summary>
         /// Returns the message with the given id.
         /// </summary>
         /// <param name="id">The message's id.</param>
-        Task<CapReceivedMessage> GetReceivedMessageAsync(int id);
+        Task<CapReceivedMessage> GetReceivedMessageAsync(long id);
 
         /// <summary>
         /// Returns executed failed message.
@@ -55,13 +55,13 @@ namespace DotNetCore.CAP
         /// </summary>
         /// <param name="messageId">Message id</param>
         /// <param name="state">State name</param>
-        bool ChangePublishedState(int messageId, string state);
+        bool ChangePublishedState(long messageId, string state);
 
         /// <summary>
         /// Change specified message's state  of received message
         /// </summary>
         /// <param name="messageId">Message id</param>
         /// <param name="state">State name</param>
-        bool ChangeReceivedState(int messageId, string state);
+        bool ChangeReceivedState(long messageId, string state);
     }
 }
\ No newline at end of file